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Update home menu branch (#759)

Browse source 
* Fix typo (#680)

Co-authored-by: Noumi <139501014+noumidev@users.noreply.github.com>

* More PTM stuff

Co-Authored-By: Noumi <139501014+noumidev@users.noreply.github.com>

* Make system language configurable

* Fix building crypto++ for x64 target on Apple silicon MacOS

* Attempt to switch to M1 runners again

* Prevent selecting Vulkan renderer in Qt frontend and present a message

* Libretro: Add system language option

* Only enable audio by default on libretro for now

* CMake: Bump version

* Store configuration file in AppData root if not in working directory (#693)

* Store configuration file in AppData root if not in working directory

This fixes MacOS app bundles, as the emulator cannot write the config
file into the app bundle.

* Remove duplicate fs calls

* I'm an idiot sandwich

---------

Co-authored-by: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>

* GL: Add usingGLES to driverInfo struct (#694)

* Wayland fixes part 1

* Support GLES on desktop

* Qt: Fix Wayland support

Qt will only create a Wayland surface when show() is called on the main
window and on the ScreenWidget. Thus, call the function before creating
the GL context.

Doesn't cause regressions on XWayland, untested in other platforms.

Fixes #586

* No need to call screen->show() twice

* Fix disabling Wayland & building on some distros (#700)

* GLES: Properly stub out logic ops

* Fix git versioning

* Android_Build: Implement ccache (#703)

* Android_Build: Implement ccache

* Update Android_Build.yml

* Update Android_Build.yml

---------

Co-authored-by: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>

* Removed dead Citra link in readme (#706)

* CRO: Lighter icache flushes

* Implement Luma icache SVCs

* Add missing SVC logs

* GPU: Add sw texture copies

* Use vk::detail::DynamicLoader instead of vk::DynamicLoader (#710)

* Use vk::detail::DynamicLoader instead of vk::DynamicLoader

* Update renderer_vk.cpp

* Vk: Fix typo

* Vk: Lock CI runners to SDK version 1.3.301 temporarily

* Vk: Fixing CI pt 2

* Vulkan: Fixing CI pt 3

* Vk: Fix typo

* Temporarily give 80MB to all processes (#715)

* Try to cross-compile Libretro core for arm64 (#717)

* Try to cross-compile Libretro core for arm64

* Bonk

* Update Hydra_Build.yml

* [WIP] Libretro: Add audio support (#714)

* Libretro: Add audio support

* Adding audio interface part 1

* Audio device pt 2

* More audio device

* More audio device

* Morea uudi odevice

* More audio device

* More audio device

* More audio device

---------

Co-authored-by: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>

* Libretro audio device: Fix frame count

* Mark audio devices as final

* Add toggle for libretro audio device (#719)

* Very important work (#720)

* Very important work

* Most important fix

* Add more HLE service calls for eshop (#721)

* CI: Fix Vulkan SDK action (#723)

* GPU registers: Fix writes to some registers ignoring the mask (#725)

Co-authored-by: henry <23128103+atem2069@users.noreply.github.com>

* OLED theme

* OLED theme config fix (#736)

Co-authored-by: smiRaphi <neogt404@gmail.com>

* Adding Swedish translation

* Fix Metal renderer compilation on iOS

* [Core] Improve iOS compilation workflow

* [Qt] Hook Swedish to UI

* AppDataDocumentProvider: Typo (#740)

* More iOS work

* More iOS progress

* More iOS work

* AppDataDocumentProvider: Add missing ``COLUMN_FLAGS`` in the default document projectation (#741)

Fixes unable to copy files from device to app's internal storage problem

* More iOS work

* ios: Simplify MTKView interface (still doesn't work though)

* ios: Pass CAMetalLayer instead of void* to Obj-C++ bridging header

* Fix bridging cast

* FINALLY IOS GRAPHICS

* ios: Remove printf spam

* Metal: Reimplement some texture formats on iOS

* metal: implement texture decoder

* metal: check for format support

* metal: implement texture swizzling

* metal: remove unused texture functions

* Shadergen types: Add Metal & MSL

* Format

* Undo submodule changes

* Readme: Add Chonkystation 3

* Metal: Use std::unique_ptr for texture decode

* AppDataDocumentProvider: Allow to remove documents (#744)

* AppDataDocumentProvider: Allow to remove documents

* Typo

* Metal renderer fixes for iOS

* iOS driver: Add doc comments

* iOS: Add frontend & frontend build files (#746)

* iOS: Add SwiftUI part to repo

* Add iOS build script

* Update SDL2 submodule

* Fix iOS build script

* CI: Update xcode tools for iOS

* Update iOS_Build.yml

* Update iOS build

* Lower XCode version

* A

* Update project.pbxproj

* Update iOS_Build.yml

* Update iOS_Build.yml

* Update build.sh

* iOS: Fail on build error

* iOS: Add file picker (#747)

* iOS: Add file picker

* Fix lock placement

* Qt: Add runpog icon (#752)

* Update discord-rpc submodule (#753)

* Remove cryptoppwin submodule (#754)

* Add optional texture hashing

* Fix build on new Vk SDK (#757)

Co-authored-by: Nadia Holmquist Pedersen <893884+nadiaholmquist@users.noreply.github.com>

* CI: Use new Vulkan SDK

---------

Co-authored-by: Noumi <139501014+noumidev@users.noreply.github.com>
Co-authored-by: Thomas <thomas@thomasw.dev>
Co-authored-by: Thomas <twvd@users.noreply.github.com>
Co-authored-by: Daniel López Guimaraes <danielectra@outlook.com>
Co-authored-by: Jonian Guveli <jonian@hardpixel.eu>
Co-authored-by: Ishan09811 <156402647+Ishan09811@users.noreply.github.com>
Co-authored-by: Auxy6858 <71662994+Auxy6858@users.noreply.github.com>
Co-authored-by: Paris Oplopoios <parisoplop@gmail.com>
Co-authored-by: henry <23128103+atem2069@users.noreply.github.com>
Co-authored-by: smiRaphi <neogt404@gmail.com>
Co-authored-by: smiRaphi <87574679+smiRaphi@users.noreply.github.com>
Co-authored-by: Daniel Nylander <po@danielnylander.se>
Co-authored-by: Samuliak <samuliak77@gmail.com>
Co-authored-by: Albert <45282415+ggrtk@users.noreply.github.com>
Co-authored-by: Nadia Holmquist Pedersen <893884+nadiaholmquist@users.noreply.github.com>
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63
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// 3way.h - originally written and placed in the public domain by Wei Dai
/// \file 3way.h
/// \brief Classes for the 3-Way block cipher
#ifndef CRYPTOPP_THREEWAY_H
#define CRYPTOPP_THREEWAY_H
#include "config.h"
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief ThreeWay block cipher information
struct ThreeWay_Info : public FixedBlockSize<12>, public FixedKeyLength<12>, public VariableRounds<11>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "3-Way";}
};
/// \brief ThreeWay block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/3-Way">3-Way</a>
class ThreeWay : public ThreeWay_Info, public BlockCipherDocumentation
{
/// \brief Class specific implementation and overrides used to operate the cipher.
/// \details Implementations and overrides in \p Base apply to both \p ENCRYPTION and \p DECRYPTION directions
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<ThreeWay_Info>
{
public:
void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params);
protected:
unsigned int m_rounds;
FixedSizeSecBlock<word32, 3> m_k;
};
/// \brief Class specific methods used to operate the cipher in the forward direction.
/// \details Implementations and overrides in \p Enc apply to \p ENCRYPTION.
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
/// \brief Class specific methods used to operate the cipher in the reverse direction.
/// \details Implementations and overrides in \p Dec apply to \p DECRYPTION.
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
typedef ThreeWay::Encryption ThreeWayEncryption;
typedef ThreeWay::Decryption ThreeWayDecryption;
NAMESPACE_END
#endif

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// adler32.h - originally written and placed in the public domain by Wei Dai
/// \file adler32.h
/// \brief Class file for ADLER-32 checksum calculations
#ifndef CRYPTOPP_ADLER32_H
#define CRYPTOPP_ADLER32_H
#include "cryptlib.h"
NAMESPACE_BEGIN(CryptoPP)
/// ADLER-32 checksum calculations
class Adler32 : public HashTransformation
{
public:
CRYPTOPP_CONSTANT(DIGESTSIZE = 4);
Adler32() {Reset();}
void Update(const byte *input, size_t length);
void TruncatedFinal(byte *hash, size_t size);
unsigned int DigestSize() const {return DIGESTSIZE;}
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "Adler32";}
std::string AlgorithmName() const {return StaticAlgorithmName();}
private:
void Reset() {m_s1 = 1; m_s2 = 0;}
word16 m_s1, m_s2;
};
NAMESPACE_END
#endif

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third_party/cryptoppwin/include/cryptopp/adv_simd.h vendored Normal file
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30
third_party/cryptoppwin/include/cryptopp/aes.h vendored Normal file
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// aes.h - originally written and placed in the public domain by Wei Dai
/// \file
/// \brief Class file for the AES cipher (Rijndael)
/// \details AES is a typdef for Rijndael classes. All key sizes are supported.
/// The library only provides Rijndael with 128-bit blocks, and not 192-bit or 256-bit blocks
/// \since Rijndael since Crypto++ 3.1, Intel AES-NI since Crypto++ 5.6.1, ARMv8 AES since Crypto++ 6.0,
/// Power8 AES since Crypto++ 6.0
#ifndef CRYPTOPP_AES_H
#define CRYPTOPP_AES_H
#include "rijndael.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief AES block cipher (Rijndael)
/// \details AES is a typdef for Rijndael classes. All key sizes are supported.
/// The library only provides Rijndael with 128-bit blocks, and not 192-bit or 256-bit blocks
/// \sa <a href="http://www.cryptolounge.org/wiki/AES">AES</a> winner, announced on 10/2/2000
/// \since Rijndael since Crypto++ 3.1, Intel AES-NI since Crypto++ 5.6.1, ARMv8 AES since Crypto++ 6.0,
/// Power8 AES since Crypto++ 6.0
DOCUMENTED_TYPEDEF(Rijndael, AES);
typedef RijndaelEncryption AESEncryption;
typedef RijndaelDecryption AESDecryption;
NAMESPACE_END
#endif

30
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/* Header file for use with Cryptogam's ARMv4 AES. */
/* Also see http://www.openssl.org/~appro/cryptogams/ and */
/* https://wiki.openssl.org/index.php?title=Cryptogams_AES */
#ifndef CRYPTOGAMS_AES_ARMV4_H
#define CRYPTOGAMS_AES_ARMV4_H
#ifdef __cplusplus
extern "C" {
#endif
//#define AES_MAXNR 14
//typedef struct AES_KEY_st {
// unsigned int rd_key[4 * (AES_MAXNR + 1)];
// int rounds;
//} AES_KEY;
// Instead of AES_KEY we use a 'word32 rkey[4*15+4]'. It has space for
// both the AES_MAXNR round keys and the number of rounds in the tail.
int cryptogams_AES_set_encrypt_key(const unsigned char *userKey, const int bits, unsigned int *rkey);
int cryptogams_AES_set_decrypt_key(const unsigned char *userKey, const int bits, unsigned int *rkey);
void cryptogams_AES_encrypt_block(const unsigned char *in, unsigned char *out, const unsigned int *rkey);
void cryptogams_AES_decrypt_block(const unsigned char *in, unsigned char *out, const unsigned int *rkey);
#ifdef __cplusplus
}
#endif
#endif /* CRYPTOGAMS_AES_ARMV4_H */

453
third_party/cryptoppwin/include/cryptopp/algebra.h vendored Normal file
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// algebra.h - originally written and placed in the public domain by Wei Dai
/// \file algebra.h
/// \brief Classes for performing mathematics over different fields
#ifndef CRYPTOPP_ALGEBRA_H
#define CRYPTOPP_ALGEBRA_H
#include "config.h"
#include "integer.h"
#include "misc.h"
NAMESPACE_BEGIN(CryptoPP)
class Integer;
/// \brief Abstract group
/// \tparam T element class or type
/// \details <tt>const Element&</tt> returned by member functions are references
/// to internal data members. Since each object may have only
/// one such data member for holding results, the following code
/// will produce incorrect results:
/// <pre> abcd = group.Add(group.Add(a,b), group.Add(c,d));</pre>
/// But this should be fine:
/// <pre> abcd = group.Add(a, group.Add(b, group.Add(c,d));</pre>
template <class T> class CRYPTOPP_NO_VTABLE AbstractGroup
{
public:
typedef T Element;
virtual ~AbstractGroup() {}
/// \brief Compare two elements for equality
/// \param a first element
/// \param b second element
/// \return true if the elements are equal, false otherwise
/// \details Equal() tests the elements for equality using <tt>a==b</tt>
virtual bool Equal(const Element &a, const Element &b) const =0;
/// \brief Provides the Identity element
/// \return the Identity element
virtual const Element& Identity() const =0;
/// \brief Adds elements in the group
/// \param a first element
/// \param b second element
/// \return the sum of <tt>a</tt> and <tt>b</tt>
virtual const Element& Add(const Element &a, const Element &b) const =0;
/// \brief Inverts the element in the group
/// \param a first element
/// \return the inverse of the element
virtual const Element& Inverse(const Element &a) const =0;
/// \brief Determine if inversion is fast
/// \return true if inversion is fast, false otherwise
virtual bool InversionIsFast() const {return false;}
/// \brief Doubles an element in the group
/// \param a the element
/// \return the element doubled
virtual const Element& Double(const Element &a) const;
/// \brief Subtracts elements in the group
/// \param a first element
/// \param b second element
/// \return the difference of <tt>a</tt> and <tt>b</tt>. The element <tt>a</tt> must provide a Subtract member function.
virtual const Element& Subtract(const Element &a, const Element &b) const;
/// \brief TODO
/// \param a first element
/// \param b second element
/// \return TODO
virtual Element& Accumulate(Element &a, const Element &b) const;
/// \brief Reduces an element in the congruence class
/// \param a element to reduce
/// \param b the congruence class
/// \return the reduced element
virtual Element& Reduce(Element &a, const Element &b) const;
/// \brief Performs a scalar multiplication
/// \param a multiplicand
/// \param e multiplier
/// \return the product
virtual Element ScalarMultiply(const Element &a, const Integer &e) const;
/// \brief TODO
/// \param x first multiplicand
/// \param e1 the first multiplier
/// \param y second multiplicand
/// \param e2 the second multiplier
/// \return TODO
virtual Element CascadeScalarMultiply(const Element &x, const Integer &e1, const Element &y, const Integer &e2) const;
/// \brief Multiplies a base to multiple exponents in a group
/// \param results an array of Elements
/// \param base the base to raise to the exponents
/// \param exponents an array of exponents
/// \param exponentsCount the number of exponents in the array
/// \details SimultaneousMultiply() multiplies the base to each exponent in the exponents array and stores the
/// result at the respective position in the results array.
/// \details SimultaneousMultiply() must be implemented in a derived class.
/// \pre <tt>COUNTOF(results) == exponentsCount</tt>
/// \pre <tt>COUNTOF(exponents) == exponentsCount</tt>
virtual void SimultaneousMultiply(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const;
};
/// \brief Abstract ring
/// \tparam T element class or type
/// \details <tt>const Element&</tt> returned by member functions are references
/// to internal data members. Since each object may have only
/// one such data member for holding results, the following code
/// will produce incorrect results:
/// <pre> abcd = group.Add(group.Add(a,b), group.Add(c,d));</pre>
/// But this should be fine:
/// <pre> abcd = group.Add(a, group.Add(b, group.Add(c,d));</pre>
template <class T> class CRYPTOPP_NO_VTABLE AbstractRing : public AbstractGroup<T>
{
public:
typedef T Element;
/// \brief Construct an AbstractRing
AbstractRing() {m_mg.m_pRing = this;}
/// \brief Copy construct an AbstractRing
/// \param source other AbstractRing
AbstractRing(const AbstractRing &source)
{CRYPTOPP_UNUSED(source); m_mg.m_pRing = this;}
/// \brief Assign an AbstractRing
/// \param source other AbstractRing
AbstractRing& operator=(const AbstractRing &source)
{CRYPTOPP_UNUSED(source); return *this;}
/// \brief Determines whether an element is a unit in the group
/// \param a the element
/// \return true if the element is a unit after reduction, false otherwise.
virtual bool IsUnit(const Element &a) const =0;
/// \brief Retrieves the multiplicative identity
/// \return the multiplicative identity
virtual const Element& MultiplicativeIdentity() const =0;
/// \brief Multiplies elements in the group
/// \param a the multiplicand
/// \param b the multiplier
/// \return the product of a and b
virtual const Element& Multiply(const Element &a, const Element &b) const =0;
/// \brief Calculate the multiplicative inverse of an element in the group
/// \param a the element
virtual const Element& MultiplicativeInverse(const Element &a) const =0;
/// \brief Square an element in the group
/// \param a the element
/// \return the element squared
virtual const Element& Square(const Element &a) const;
/// \brief Divides elements in the group
/// \param a the dividend
/// \param b the divisor
/// \return the quotient
virtual const Element& Divide(const Element &a, const Element &b) const;
/// \brief Raises a base to an exponent in the group
/// \param a the base
/// \param e the exponent
/// \return the exponentiation
virtual Element Exponentiate(const Element &a, const Integer &e) const;
/// \brief TODO
/// \param x first element
/// \param e1 first exponent
/// \param y second element
/// \param e2 second exponent
/// \return TODO
virtual Element CascadeExponentiate(const Element &x, const Integer &e1, const Element &y, const Integer &e2) const;
/// \brief Exponentiates a base to multiple exponents in the Ring
/// \param results an array of Elements
/// \param base the base to raise to the exponents
/// \param exponents an array of exponents
/// \param exponentsCount the number of exponents in the array
/// \details SimultaneousExponentiate() raises the base to each exponent in the exponents array and stores the
/// result at the respective position in the results array.
/// \details SimultaneousExponentiate() must be implemented in a derived class.
/// \pre <tt>COUNTOF(results) == exponentsCount</tt>
/// \pre <tt>COUNTOF(exponents) == exponentsCount</tt>
virtual void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const;
/// \brief Retrieves the multiplicative group
/// \return the multiplicative group
virtual const AbstractGroup<T>& MultiplicativeGroup() const
{return m_mg;}
private:
class MultiplicativeGroupT : public AbstractGroup<T>
{
public:
const AbstractRing<T>& GetRing() const
{return *m_pRing;}
bool Equal(const Element &a, const Element &b) const
{return GetRing().Equal(a, b);}
const Element& Identity() const
{return GetRing().MultiplicativeIdentity();}
const Element& Add(const Element &a, const Element &b) const
{return GetRing().Multiply(a, b);}
Element& Accumulate(Element &a, const Element &b) const
{return a = GetRing().Multiply(a, b);}
const Element& Inverse(const Element &a) const
{return GetRing().MultiplicativeInverse(a);}
const Element& Subtract(const Element &a, const Element &b) const
{return GetRing().Divide(a, b);}
Element& Reduce(Element &a, const Element &b) const
{return a = GetRing().Divide(a, b);}
const Element& Double(const Element &a) const
{return GetRing().Square(a);}
Element ScalarMultiply(const Element &a, const Integer &e) const
{return GetRing().Exponentiate(a, e);}
Element CascadeScalarMultiply(const Element &x, const Integer &e1, const Element &y, const Integer &e2) const
{return GetRing().CascadeExponentiate(x, e1, y, e2);}
void SimultaneousMultiply(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const
{GetRing().SimultaneousExponentiate(results, base, exponents, exponentsCount);}
const AbstractRing<T> *m_pRing;
};
MultiplicativeGroupT m_mg;
};
// ********************************************************
/// \brief Base and exponent
/// \tparam T base class or type
/// \tparam E exponent class or type
template <class T, class E = Integer>
struct BaseAndExponent
{
public:
BaseAndExponent() {}
BaseAndExponent(const T &base, const E &exponent) : base(base), exponent(exponent) {}
bool operator<(const BaseAndExponent<T, E> &rhs) const {return exponent < rhs.exponent;}
T base;
E exponent;
};
// VC60 workaround: incomplete member template support
template <class Element, class Iterator>
Element GeneralCascadeMultiplication(const AbstractGroup<Element> &group, Iterator begin, Iterator end);
template <class Element, class Iterator>
Element GeneralCascadeExponentiation(const AbstractRing<Element> &ring, Iterator begin, Iterator end);
// ********************************************************
/// \brief Abstract Euclidean domain
/// \tparam T element class or type
/// \details <tt>const Element&</tt> returned by member functions are references
/// to internal data members. Since each object may have only
/// one such data member for holding results, the following code
/// will produce incorrect results:
/// <pre> abcd = group.Add(group.Add(a,b), group.Add(c,d));</pre>
/// But this should be fine:
/// <pre> abcd = group.Add(a, group.Add(b, group.Add(c,d));</pre>
template <class T> class CRYPTOPP_NO_VTABLE AbstractEuclideanDomain : public AbstractRing<T>
{
public:
typedef T Element;
/// \brief Performs the division algorithm on two elements in the ring
/// \param r the remainder
/// \param q the quotient
/// \param a the dividend
/// \param d the divisor
virtual void DivisionAlgorithm(Element &r, Element &q, const Element &a, const Element &d) const =0;
/// \brief Performs a modular reduction in the ring
/// \param a the element
/// \param b the modulus
/// \return the result of <tt>a%b</tt>.
virtual const Element& Mod(const Element &a, const Element &b) const =0;
/// \brief Calculates the greatest common denominator in the ring
/// \param a the first element
/// \param b the second element
/// \return the greatest common denominator of a and b.
virtual const Element& Gcd(const Element &a, const Element &b) const;
protected:
mutable Element result;
};
// ********************************************************
/// \brief Euclidean domain
/// \tparam T element class or type
/// \details <tt>const Element&</tt> returned by member functions are references
/// to internal data members. Since each object may have only
/// one such data member for holding results, the following code
/// will produce incorrect results:
/// <pre> abcd = group.Add(group.Add(a,b), group.Add(c,d));</pre>
/// But this should be fine:
/// <pre> abcd = group.Add(a, group.Add(b, group.Add(c,d));</pre>
template <class T> class EuclideanDomainOf : public AbstractEuclideanDomain<T>
{
public:
typedef T Element;
EuclideanDomainOf() {}
bool Equal(const Element &a, const Element &b) const
{return a==b;}
const Element& Identity() const
{return Element::Zero();}
const Element& Add(const Element &a, const Element &b) const
{return result = a+b;}
Element& Accumulate(Element &a, const Element &b) const
{return a+=b;}
const Element& Inverse(const Element &a) const
{return result = -a;}
const Element& Subtract(const Element &a, const Element &b) const
{return result = a-b;}
Element& Reduce(Element &a, const Element &b) const
{return a-=b;}
const Element& Double(const Element &a) const
{return result = a.Doubled();}
const Element& MultiplicativeIdentity() const
{return Element::One();}
const Element& Multiply(const Element &a, const Element &b) const
{return result = a*b;}
const Element& Square(const Element &a) const
{return result = a.Squared();}
bool IsUnit(const Element &a) const
{return a.IsUnit();}
const Element& MultiplicativeInverse(const Element &a) const
{return result = a.MultiplicativeInverse();}
const Element& Divide(const Element &a, const Element &b) const
{return result = a/b;}
const Element& Mod(const Element &a, const Element &b) const
{return result = a%b;}
void DivisionAlgorithm(Element &r, Element &q, const Element &a, const Element &d) const
{Element::Divide(r, q, a, d);}
bool operator==(const EuclideanDomainOf<T> &rhs) const
{CRYPTOPP_UNUSED(rhs); return true;}
private:
mutable Element result;
};
/// \brief Quotient ring
/// \tparam T element class or type
/// \details <tt>const Element&</tt> returned by member functions are references
/// to internal data members. Since each object may have only
/// one such data member for holding results, the following code
/// will produce incorrect results:
/// <pre> abcd = group.Add(group.Add(a,b), group.Add(c,d));</pre>
/// But this should be fine:
/// <pre> abcd = group.Add(a, group.Add(b, group.Add(c,d));</pre>
template <class T> class QuotientRing : public AbstractRing<typename T::Element>
{
public:
typedef T EuclideanDomain;
typedef typename T::Element Element;
QuotientRing(const EuclideanDomain &domain, const Element &modulus)
: m_domain(domain), m_modulus(modulus) {}
const EuclideanDomain & GetDomain() const
{return m_domain;}
const Element& GetModulus() const
{return m_modulus;}
bool Equal(const Element &a, const Element &b) const
{return m_domain.Equal(m_domain.Mod(m_domain.Subtract(a, b), m_modulus), m_domain.Identity());}
const Element& Identity() const
{return m_domain.Identity();}
const Element& Add(const Element &a, const Element &b) const
{return m_domain.Add(a, b);}
Element& Accumulate(Element &a, const Element &b) const
{return m_domain.Accumulate(a, b);}
const Element& Inverse(const Element &a) const
{return m_domain.Inverse(a);}
const Element& Subtract(const Element &a, const Element &b) const
{return m_domain.Subtract(a, b);}
Element& Reduce(Element &a, const Element &b) const
{return m_domain.Reduce(a, b);}
const Element& Double(const Element &a) const
{return m_domain.Double(a);}
bool IsUnit(const Element &a) const
{return m_domain.IsUnit(m_domain.Gcd(a, m_modulus));}
const Element& MultiplicativeIdentity() const
{return m_domain.MultiplicativeIdentity();}
const Element& Multiply(const Element &a, const Element &b) const
{return m_domain.Mod(m_domain.Multiply(a, b), m_modulus);}
const Element& Square(const Element &a) const
{return m_domain.Mod(m_domain.Square(a), m_modulus);}
const Element& MultiplicativeInverse(const Element &a) const;
bool operator==(const QuotientRing<T> &rhs) const
{return m_domain == rhs.m_domain && m_modulus == rhs.m_modulus;}
protected:
EuclideanDomain m_domain;
Element m_modulus;
};
NAMESPACE_END
#ifdef CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES
#include "algebra.cpp"
#endif
#endif

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// algparam.h - originally written and placed in the public domain by Wei Dai
/// \file algparam.h
/// \brief Classes for working with NameValuePairs
#ifndef CRYPTOPP_ALGPARAM_H
#define CRYPTOPP_ALGPARAM_H
#include "config.h"
#include "cryptlib.h"
#include "smartptr.h"
#include "secblock.h"
#include "integer.h"
#include "misc.h"
#include <string>
#include <typeinfo>
#include <exception>
NAMESPACE_BEGIN(CryptoPP)
/// \brief Used to pass byte array input as part of a NameValuePairs object
class ConstByteArrayParameter
{
public:
/// \brief Construct a ConstByteArrayParameter
/// \param data a C-String
/// \param deepCopy flag indicating whether the data should be copied
/// \details The deepCopy option is used when the NameValuePairs object can't
/// keep a copy of the data available
ConstByteArrayParameter(const char *data = NULLPTR, bool deepCopy = false)
: m_deepCopy(false), m_data(NULLPTR), m_size(0)
{
Assign(reinterpret_cast<const byte *>(data), data ? strlen(data) : 0, deepCopy);
}
/// \brief Construct a ConstByteArrayParameter
/// \param data a memory buffer
/// \param size the length of the memory buffer
/// \param deepCopy flag indicating whether the data should be copied
/// \details The deepCopy option is used when the NameValuePairs object can't
/// keep a copy of the data available
ConstByteArrayParameter(const byte *data, size_t size, bool deepCopy = false)
: m_deepCopy(false), m_data(NULLPTR), m_size(0)
{
Assign(data, size, deepCopy);
}
/// \brief Construct a ConstByteArrayParameter
/// \tparam T a std::basic_string<char> or std::vector<byte> class
/// \param string a std::basic_string<char> or std::vector<byte> object
/// \param deepCopy flag indicating whether the data should be copied
/// \details The deepCopy option is used when the NameValuePairs object can't
/// keep a copy of the data available
template <class T> ConstByteArrayParameter(const T &string, bool deepCopy = false)
: m_deepCopy(false), m_data(NULLPTR), m_size(0)
{
CRYPTOPP_COMPILE_ASSERT(sizeof(typename T::value_type) == 1);
Assign(reinterpret_cast<const byte *>(&string[0]), string.size(), deepCopy);
}
/// \brief Assign contents from a memory buffer
/// \param data a memory buffer
/// \param size the length of the memory buffer
/// \param deepCopy flag indicating whether the data should be copied
/// \details The deepCopy option is used when the NameValuePairs object can't
/// keep a copy of the data available
void Assign(const byte *data, size_t size, bool deepCopy)
{
// This fires, which means: no data with a size, or data with no size.
// CRYPTOPP_ASSERT((data && size) || !(data || size));
if (deepCopy)
m_block.Assign(data, size);
else
{
m_data = data;
m_size = size;
}
m_deepCopy = deepCopy;
}
/// \brief Pointer to the first byte in the memory block
const byte *begin() const {return m_deepCopy ? m_block.begin() : m_data;}
/// \brief Pointer beyond the last byte in the memory block
const byte *end() const {return m_deepCopy ? m_block.end() : m_data + m_size;}
/// \brief Length of the memory block
size_t size() const {return m_deepCopy ? m_block.size() : m_size;}
private:
bool m_deepCopy;
const byte *m_data;
size_t m_size;
SecByteBlock m_block;
};
/// \brief Used to pass byte array input as part of a NameValuePairs object
class ByteArrayParameter
{
public:
/// \brief Construct a ByteArrayParameter
/// \param data a memory buffer
/// \param size the length of the memory buffer
ByteArrayParameter(byte *data = NULLPTR, unsigned int size = 0)
: m_data(data), m_size(size) {}
/// \brief Construct a ByteArrayParameter
/// \param block a SecByteBlock
ByteArrayParameter(SecByteBlock &block)
: m_data(block.begin()), m_size(block.size()) {}
/// \brief Pointer to the first byte in the memory block
byte *begin() const {return m_data;}
/// \brief Pointer beyond the last byte in the memory block
byte *end() const {return m_data + m_size;}
/// \brief Length of the memory block
size_t size() const {return m_size;}
private:
byte *m_data;
size_t m_size;
};
/// \brief Combines two sets of NameValuePairs
/// \details CombinedNameValuePairs allows you to provide two sets of of NameValuePairs.
/// If a name is not found in the first set, then the second set is searched for the
/// name and value pair. The second set of NameValuePairs often provides default values.
class CRYPTOPP_DLL CombinedNameValuePairs : public NameValuePairs
{
public:
/// \brief Construct a CombinedNameValuePairs
/// \param pairs1 reference to the first set of NameValuePairs
/// \param pairs2 reference to the second set of NameValuePairs
CombinedNameValuePairs(const NameValuePairs &pairs1, const NameValuePairs &pairs2)
: m_pairs1(pairs1), m_pairs2(pairs2) {}
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
private:
const NameValuePairs &m_pairs1, &m_pairs2;
};
#ifndef CRYPTOPP_DOXYGEN_PROCESSING
template <class T, class BASE>
class GetValueHelperClass
{
public:
GetValueHelperClass(const T *pObject, const char *name, const std::type_info &valueType, void *pValue, const NameValuePairs *searchFirst)
: m_pObject(pObject), m_name(name), m_valueType(&valueType), m_pValue(pValue), m_found(false), m_getValueNames(false)
{
if (strcmp(m_name, "ValueNames") == 0)
{
m_found = m_getValueNames = true;
NameValuePairs::ThrowIfTypeMismatch(m_name, typeid(std::string), *m_valueType);
if (searchFirst)
searchFirst->GetVoidValue(m_name, valueType, pValue);
if (typeid(T) != typeid(BASE))
pObject->BASE::GetVoidValue(m_name, valueType, pValue);
((*reinterpret_cast<std::string *>(m_pValue) += "ThisPointer:") += typeid(T).name()) += ';';
}
if (!m_found && strncmp(m_name, "ThisPointer:", 12) == 0 && strcmp(m_name+12, typeid(T).name()) == 0)
{
NameValuePairs::ThrowIfTypeMismatch(m_name, typeid(T *), *m_valueType);
*reinterpret_cast<const T **>(pValue) = pObject;
m_found = true;
return;
}
if (!m_found && searchFirst)
m_found = searchFirst->GetVoidValue(m_name, valueType, pValue);
if (!m_found && typeid(T) != typeid(BASE))
m_found = pObject->BASE::GetVoidValue(m_name, valueType, pValue);
}
operator bool() const {return m_found;}
template <class R>
GetValueHelperClass<T,BASE> & operator()(const char *name, const R & (T::*pm)() const)
{
if (m_getValueNames)
(*reinterpret_cast<std::string *>(m_pValue) += name) += ";";
if (!m_found && strcmp(name, m_name) == 0)
{
NameValuePairs::ThrowIfTypeMismatch(name, typeid(R), *m_valueType);
*reinterpret_cast<R *>(m_pValue) = (m_pObject->*pm)();
m_found = true;
}
return *this;
}
GetValueHelperClass<T,BASE> &Assignable()
{
#ifndef __INTEL_COMPILER // ICL 9.1 workaround: Intel compiler copies the vTable pointer for some reason
if (m_getValueNames)
((*reinterpret_cast<std::string *>(m_pValue) += "ThisObject:") += typeid(T).name()) += ';';
if (!m_found && strncmp(m_name, "ThisObject:", 11) == 0 && strcmp(m_name+11, typeid(T).name()) == 0)
{
NameValuePairs::ThrowIfTypeMismatch(m_name, typeid(T), *m_valueType);
*reinterpret_cast<T *>(m_pValue) = *m_pObject;
m_found = true;
}
#endif
return *this;
}
private:
const T *m_pObject;
const char *m_name;
const std::type_info *m_valueType;
void *m_pValue;
bool m_found, m_getValueNames;
};
template <class BASE, class T>
GetValueHelperClass<T, BASE> GetValueHelper(const T *pObject, const char *name, const std::type_info &valueType, void *pValue, const NameValuePairs *searchFirst=NULLPTR)
{
return GetValueHelperClass<T, BASE>(pObject, name, valueType, pValue, searchFirst);
}
template <class T>
GetValueHelperClass<T, T> GetValueHelper(const T *pObject, const char *name, const std::type_info &valueType, void *pValue, const NameValuePairs *searchFirst=NULLPTR)
{
return GetValueHelperClass<T, T>(pObject, name, valueType, pValue, searchFirst);
}
// ********************************************************
template <class T, class BASE>
class AssignFromHelperClass
{
public:
AssignFromHelperClass(T *pObject, const NameValuePairs &source)
: m_pObject(pObject), m_source(source), m_done(false)
{
if (source.GetThisObject(*pObject))
m_done = true;
else if (typeid(BASE) != typeid(T))
pObject->BASE::AssignFrom(source);
}
template <class R>
AssignFromHelperClass & operator()(const char *name, void (T::*pm)(const R&))
{
if (!m_done)
{
R value;
if (!m_source.GetValue(name, value))
throw InvalidArgument(std::string(typeid(T).name()) + ": Missing required parameter '" + name + "'");
(m_pObject->*pm)(value);
}
return *this;
}
template <class R, class S>
AssignFromHelperClass & operator()(const char *name1, const char *name2, void (T::*pm)(const R&, const S&))
{
if (!m_done)
{
R value1;
if (!m_source.GetValue(name1, value1))
throw InvalidArgument(std::string(typeid(T).name()) + ": Missing required parameter '" + name1 + "'");
S value2;
if (!m_source.GetValue(name2, value2))
throw InvalidArgument(std::string(typeid(T).name()) + ": Missing required parameter '" + name2 + "'");
(m_pObject->*pm)(value1, value2);
}
return *this;
}
private:
T *m_pObject;
const NameValuePairs &m_source;
bool m_done;
};
template <class BASE, class T>
AssignFromHelperClass<T, BASE> AssignFromHelper(T *pObject, const NameValuePairs &source)
{
return AssignFromHelperClass<T, BASE>(pObject, source);
}
template <class T>
AssignFromHelperClass<T, T> AssignFromHelper(T *pObject, const NameValuePairs &source)
{
return AssignFromHelperClass<T, T>(pObject, source);
}
#endif // CRYPTOPP_DOXYGEN_PROCESSING
// ********************************************************
#ifndef CRYPTOPP_NO_ASSIGN_TO_INTEGER
// Allow the linker to discard Integer code if not needed.
// Also see http://github.com/weidai11/cryptopp/issues/389.
CRYPTOPP_DLL bool AssignIntToInteger(const std::type_info &valueType, void *pInteger, const void *pInt);
#endif
CRYPTOPP_DLL const std::type_info & CRYPTOPP_API IntegerTypeId();
/// \brief Base class for AlgorithmParameters
class CRYPTOPP_DLL AlgorithmParametersBase
{
public:
/// \brief Exception thrown when an AlgorithmParameter is unused
class ParameterNotUsed : public Exception
{
public:
ParameterNotUsed(const char *name) : Exception(OTHER_ERROR, std::string("AlgorithmParametersBase: parameter \"") + name + "\" not used") {}
};
virtual ~AlgorithmParametersBase() CRYPTOPP_THROW
{
#if defined(CRYPTOPP_CXX17_UNCAUGHT_EXCEPTIONS)
if (std::uncaught_exceptions() == 0)
#elif defined(CRYPTOPP_CXX98_UNCAUGHT_EXCEPTION)
if (std::uncaught_exception() == false)
#else
try
#endif
{
if (m_throwIfNotUsed && !m_used)
throw ParameterNotUsed(m_name);
}
#if !defined(CRYPTOPP_CXX98_UNCAUGHT_EXCEPTION)
# if !defined(CRYPTOPP_CXX17_UNCAUGHT_EXCEPTIONS)
catch(const Exception&)
{
}
# endif
#endif
}
// this is actually a move, not a copy
AlgorithmParametersBase(const AlgorithmParametersBase &x)
: m_name(x.m_name), m_throwIfNotUsed(x.m_throwIfNotUsed), m_used(x.m_used)
{
m_next.reset(const_cast<AlgorithmParametersBase &>(x).m_next.release());
x.m_used = true;
}
/// \brief Construct a AlgorithmParametersBase
/// \param name the parameter name
/// \param throwIfNotUsed flags indicating whether an exception should be thrown
/// \details If throwIfNotUsed is true, then a ParameterNotUsed exception
/// will be thrown in the destructor if the parameter is not not retrieved.
AlgorithmParametersBase(const char *name, bool throwIfNotUsed)
: m_name(name), m_throwIfNotUsed(throwIfNotUsed), m_used(false) {}
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
protected:
friend class AlgorithmParameters;
void operator=(const AlgorithmParametersBase& rhs); // assignment not allowed, declare this for VC60
virtual void AssignValue(const char *name, const std::type_info &valueType, void *pValue) const =0;
virtual void MoveInto(void *p) const =0; // not really const
const char *m_name;
bool m_throwIfNotUsed;
mutable bool m_used;
member_ptr<AlgorithmParametersBase> m_next;
};
/// \brief Template base class for AlgorithmParameters
/// \tparam T the class or type
template <class T>
class AlgorithmParametersTemplate : public AlgorithmParametersBase
{
public:
/// \brief Construct an AlgorithmParametersTemplate
/// \param name the name of the value
/// \param value a reference to the value
/// \param throwIfNotUsed flags indicating whether an exception should be thrown
/// \details If throwIfNotUsed is true, then a ParameterNotUsed exception
/// will be thrown in the destructor if the parameter is not not retrieved.
AlgorithmParametersTemplate(const char *name, const T &value, bool throwIfNotUsed)
: AlgorithmParametersBase(name, throwIfNotUsed), m_value(value)
{
}
void AssignValue(const char *name, const std::type_info &valueType, void *pValue) const
{
#ifndef CRYPTOPP_NO_ASSIGN_TO_INTEGER
// Special case for retrieving an Integer parameter when an int was passed in
if (!(typeid(T) == typeid(int) && AssignIntToInteger(valueType, pValue, &m_value)))
#endif
{
NameValuePairs::ThrowIfTypeMismatch(name, typeid(T), valueType);
*reinterpret_cast<T *>(pValue) = m_value;
}
}
#if defined(DEBUG_NEW) && (CRYPTOPP_MSC_VERSION >= 1300)
# pragma push_macro("new")
# undef new
#endif
void MoveInto(void *buffer) const
{
AlgorithmParametersTemplate<T>* p = new(buffer) AlgorithmParametersTemplate<T>(*this);
CRYPTOPP_UNUSED(p); // silence warning
}
#if defined(DEBUG_NEW) && (CRYPTOPP_MSC_VERSION >= 1300)
# pragma pop_macro("new")
#endif
protected:
T m_value;
};
CRYPTOPP_DLL_TEMPLATE_CLASS AlgorithmParametersTemplate<bool>;
CRYPTOPP_DLL_TEMPLATE_CLASS AlgorithmParametersTemplate<int>;
CRYPTOPP_DLL_TEMPLATE_CLASS AlgorithmParametersTemplate<ConstByteArrayParameter>;
/// \brief An object that implements NameValuePairs
/// \note A NameValuePairs object containing an arbitrary number of name value pairs may be constructed by
/// repeatedly using operator() on the object returned by MakeParameters, for example:
/// <pre>
/// AlgorithmParameters parameters = MakeParameters(name1, value1)(name2, value2)(name3, value3);
/// </pre>
class CRYPTOPP_DLL AlgorithmParameters : public NameValuePairs
{
public:
/// \brief Construct a AlgorithmParameters
/// \note A NameValuePairs object containing an arbitrary number of name value pairs may be constructed by
/// repeatedly using operator() on the object returned by MakeParameters, for example:
/// <pre>
/// AlgorithmParameters parameters = MakeParameters(name1, value1)(name2, value2)(name3, value3);
/// </pre>
AlgorithmParameters();
#ifdef __BORLANDC__
/// \brief Construct a AlgorithmParameters
/// \tparam T the class or type
/// \param name the name of the object or value to retrieve
/// \param value reference to a variable that receives the value
/// \param throwIfNotUsed if true, the object will throw an exception if the value is not accessed
/// \note throwIfNotUsed is ignored if using a compiler that does not support std::uncaught_exception(),
/// such as MSVC 7.0 and earlier.
/// \note A NameValuePairs object containing an arbitrary number of name value pairs may be constructed by
/// repeatedly using operator() on the object returned by MakeParameters, for example:
/// <pre>
/// AlgorithmParameters parameters = MakeParameters(name1, value1)(name2, value2)(name3, value3);
/// </pre>
template <class T>
AlgorithmParameters(const char *name, const T &value, bool throwIfNotUsed=true)
: m_next(new AlgorithmParametersTemplate<T>(name, value, throwIfNotUsed))
, m_defaultThrowIfNotUsed(throwIfNotUsed)
{
}
#endif
AlgorithmParameters(const AlgorithmParameters &x);
AlgorithmParameters & operator=(const AlgorithmParameters &x);
/// \tparam T the class or type
/// \param name the name of the object or value to retrieve
/// \param value reference to a variable that receives the value
/// \param throwIfNotUsed if true, the object will throw an exception if the value is not accessed
template <class T>
AlgorithmParameters & operator()(const char *name, const T &value, bool throwIfNotUsed)
{
member_ptr<AlgorithmParametersBase> p(new AlgorithmParametersTemplate<T>(name, value, throwIfNotUsed));
p->m_next.reset(m_next.release());
m_next.reset(p.release());
m_defaultThrowIfNotUsed = throwIfNotUsed;
return *this;
}
/// \brief Appends a NameValuePair to a collection of NameValuePairs
/// \tparam T the class or type
/// \param name the name of the object or value to retrieve
/// \param value reference to a variable that receives the value
template <class T>
AlgorithmParameters & operator()(const char *name, const T &value)
{
return operator()(name, value, m_defaultThrowIfNotUsed);
}
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
protected:
member_ptr<AlgorithmParametersBase> m_next;
bool m_defaultThrowIfNotUsed;
};
/// \brief Create an object that implements NameValuePairs
/// \tparam T the class or type
/// \param name the name of the object or value to retrieve
/// \param value reference to a variable that receives the value
/// \param throwIfNotUsed if true, the object will throw an exception if the value is not accessed
/// \note throwIfNotUsed is ignored if using a compiler that does not support std::uncaught_exception(),
/// such as MSVC 7.0 and earlier.
/// \note A NameValuePairs object containing an arbitrary number of name value pairs may be constructed by
/// repeatedly using \p operator() on the object returned by \p MakeParameters, for example:
/// <pre>
/// AlgorithmParameters parameters = MakeParameters(name1, value1)(name2, value2)(name3, value3);
/// </pre>
#ifdef __BORLANDC__
typedef AlgorithmParameters MakeParameters;
#else
template <class T>
AlgorithmParameters MakeParameters(const char *name, const T &value, bool throwIfNotUsed = true)
{
return AlgorithmParameters()(name, value, throwIfNotUsed);
}
#endif
#define CRYPTOPP_GET_FUNCTION_ENTRY(name) (Name::name(), &ThisClass::Get##name)
#define CRYPTOPP_SET_FUNCTION_ENTRY(name) (Name::name(), &ThisClass::Set##name)
#define CRYPTOPP_SET_FUNCTION_ENTRY2(name1, name2) (Name::name1(), Name::name2(), &ThisClass::Set##name1##And##name2)
NAMESPACE_END
#endif

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// allocate.h - written and placed in the public domain by Jeffrey Walton
// The functions in allocate.h and allocate.cpp were originally in misc.h
// and misc.cpp. They were extracted in September 2019 to sidestep a circular
// dependency with misc.h and secblock.h.
/// \file allocate.h
/// \brief Functions for allocating aligned buffers
#ifndef CRYPTOPP_ALLOCATE_H
#define CRYPTOPP_ALLOCATE_H
#include "config.h"
#include "cryptlib.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Attempts to reclaim unused memory
/// \throw bad_alloc
/// \details In the normal course of running a program, a request for memory
/// normally succeeds. If a call to AlignedAllocate or UnalignedAllocate fails,
/// then CallNewHandler is called in n effort to recover. Internally,
/// CallNewHandler calls set_new_handler(nullptr) in an effort to free memory.
/// There is no guarantee CallNewHandler will be able to obtain more memory so
/// an allocation succeeds. If the call to set_new_handler fails, then CallNewHandler
/// throws a bad_alloc exception.
/// \throw bad_alloc on failure
/// \since Crypto++ 5.0
/// \sa AlignedAllocate, AlignedDeallocate, UnalignedAllocate, UnalignedDeallocate
CRYPTOPP_DLL void CRYPTOPP_API CallNewHandler();
/// \brief Allocates a buffer on 16-byte boundary
/// \param size the size of the buffer
/// \details AlignedAllocate is primarily used when the data will be
/// processed by SSE, NEON, ARMv8 or PowerPC instructions. The assembly
/// language routines rely on the alignment. If the alignment is not
/// respected, then a SIGBUS could be generated on Unix and Linux, and an
/// EXCEPTION_DATATYPE_MISALIGNMENT could be generated on Windows.
/// \details Formerly, AlignedAllocate and AlignedDeallocate were only
/// available on certain platforms when CRYTPOPP_DISABLE_ASM was not in
/// effect. However, Android and iOS debug simulator builds got into a
/// state where the aligned allocator was not available and caused link
/// failures.
/// \since AlignedAllocate for SIMD since Crypto++ 1.0, AlignedAllocate
/// for all builds since Crypto++ 8.1
/// \sa AlignedDeallocate, UnalignedAllocate, UnalignedDeallocate, CallNewHandler,
/// <A HREF="http://github.com/weidai11/cryptopp/issues/779">Issue 779</A>
CRYPTOPP_DLL void* CRYPTOPP_API AlignedAllocate(size_t size);
/// \brief Frees a buffer allocated with AlignedAllocate
/// \param ptr the buffer to free
/// \since AlignedDeallocate for SIMD since Crypto++ 1.0, AlignedAllocate
/// for all builds since Crypto++ 8.1
/// \sa AlignedAllocate, UnalignedAllocate, UnalignedDeallocate, CallNewHandler,
/// <A HREF="http://github.com/weidai11/cryptopp/issues/779">Issue 779</A>
CRYPTOPP_DLL void CRYPTOPP_API AlignedDeallocate(void *ptr);
/// \brief Allocates a buffer
/// \param size the size of the buffer
/// \since Crypto++ 1.0
/// \sa AlignedAllocate, AlignedDeallocate, UnalignedDeallocate, CallNewHandler,
/// <A HREF="http://github.com/weidai11/cryptopp/issues/779">Issue 779</A>
CRYPTOPP_DLL void * CRYPTOPP_API UnalignedAllocate(size_t size);
/// \brief Frees a buffer allocated with UnalignedAllocate
/// \param ptr the buffer to free
/// \since Crypto++ 1.0
/// \sa AlignedAllocate, AlignedDeallocate, UnalignedAllocate, CallNewHandler,
/// <A HREF="http://github.com/weidai11/cryptopp/issues/779">Issue 779</A>
CRYPTOPP_DLL void CRYPTOPP_API UnalignedDeallocate(void *ptr);
NAMESPACE_END
#endif // CRYPTOPP_ALLOCATE_H

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// arc4.h - originally written and placed in the public domain by Wei Dai
/// \file arc4.h
/// \brief Classes for ARC4 cipher
/// \since Crypto++ 3.1
#ifndef CRYPTOPP_ARC4_H
#define CRYPTOPP_ARC4_H
#include "cryptlib.h"
#include "strciphr.h"
#include "secblock.h"
#include "smartptr.h"
NAMESPACE_BEGIN(CryptoPP)
namespace Weak1 {
/// \brief ARC4 base class
/// \details Implementations and overrides in \p Base apply to both \p ENCRYPTION and \p DECRYPTION directions
/// \since Crypto++ 3.1
class CRYPTOPP_NO_VTABLE ARC4_Base : public VariableKeyLength<16, 1, 256>, public RandomNumberGenerator, public SymmetricCipher, public SymmetricCipherDocumentation
{
public:
~ARC4_Base();
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "ARC4";}
void GenerateBlock(byte *output, size_t size);
void DiscardBytes(size_t n);
void ProcessData(byte *outString, const byte *inString, size_t length);
bool IsRandomAccess() const {return false;}
bool IsSelfInverting() const {return true;}
bool IsForwardTransformation() const {return true;}
typedef SymmetricCipherFinal<ARC4_Base> Encryption;
typedef SymmetricCipherFinal<ARC4_Base> Decryption;
protected:
void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params);
virtual unsigned int GetDefaultDiscardBytes() const {return 0;}
FixedSizeSecBlock<byte, 256> m_state;
byte m_x, m_y;
};
/// \brief Alleged RC4
/// \sa <a href="http://www.cryptopp.com/wiki/RC4">Alleged RC4</a>
/// \since Crypto++ 3.1
DOCUMENTED_TYPEDEF(SymmetricCipherFinal<ARC4_Base>, ARC4);
/// \brief MARC4 base class
/// \details Implementations and overrides in \p Base apply to both \p ENCRYPTION and \p DECRYPTION directions
/// \details MARC4 discards the first 256 bytes of keystream, which may be weaker than the rest
/// \since Crypto++ 3.1
class CRYPTOPP_NO_VTABLE MARC4_Base : public ARC4_Base
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MARC4";}
typedef SymmetricCipherFinal<MARC4_Base> Encryption;
typedef SymmetricCipherFinal<MARC4_Base> Decryption;
protected:
unsigned int GetDefaultDiscardBytes() const {return 256;}
};
/// \brief Modified Alleged RC4
/// \sa <a href="http://www.cryptopp.com/wiki/RC4">Alleged RC4</a>
/// \since Crypto++ 3.1
DOCUMENTED_TYPEDEF(SymmetricCipherFinal<MARC4_Base>, MARC4);
}
#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1
namespace Weak {using namespace Weak1;} // import Weak1 into CryptoPP::Weak
#else
using namespace Weak1; // import Weak1 into CryptoPP with warning
#ifdef __GNUC__
#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning."
#else
#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning.")
#endif
#endif
NAMESPACE_END
#endif

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// argnames.h - originally written and placed in the public domain by Wei Dai
/// \file argnames.h
/// \brief Standard names for retrieving values by name when working with \p NameValuePairs
#ifndef CRYPTOPP_ARGNAMES_H
#define CRYPTOPP_ARGNAMES_H
#include "cryptlib.h"
NAMESPACE_BEGIN(CryptoPP)
DOCUMENTED_NAMESPACE_BEGIN(Name)
#define CRYPTOPP_DEFINE_NAME_STRING(name) inline const char *name() {return #name;}
CRYPTOPP_DEFINE_NAME_STRING(ValueNames) ///< string, a list of value names with a semicolon (';') after each name
CRYPTOPP_DEFINE_NAME_STRING(Version) ///< int
CRYPTOPP_DEFINE_NAME_STRING(Seed) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(Key) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(IV) ///< ConstByteArrayParameter, also accepts const byte * for backwards compatibility
CRYPTOPP_DEFINE_NAME_STRING(StolenIV) ///< byte *
CRYPTOPP_DEFINE_NAME_STRING(Nonce) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(Rounds) ///< int
CRYPTOPP_DEFINE_NAME_STRING(FeedbackSize) ///< int
CRYPTOPP_DEFINE_NAME_STRING(WordSize) ///< int, in bytes
CRYPTOPP_DEFINE_NAME_STRING(BlockSize) ///< int, in bytes
CRYPTOPP_DEFINE_NAME_STRING(EffectiveKeyLength) ///< int, in bits
CRYPTOPP_DEFINE_NAME_STRING(KeySize) ///< int, in bits
CRYPTOPP_DEFINE_NAME_STRING(ModulusSize) ///< int, in bits
CRYPTOPP_DEFINE_NAME_STRING(SubgroupOrderSize) ///< int, in bits
CRYPTOPP_DEFINE_NAME_STRING(PrivateExponentSize)///< int, in bits
CRYPTOPP_DEFINE_NAME_STRING(Modulus) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(PublicExponent) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(PrivateExponent) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(PublicElement) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(SubgroupOrder) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(Cofactor) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(SubgroupGenerator) ///< Integer, ECP::Point, or EC2N::Point
CRYPTOPP_DEFINE_NAME_STRING(Curve) ///< ECP or EC2N
CRYPTOPP_DEFINE_NAME_STRING(GroupOID) ///< OID
CRYPTOPP_DEFINE_NAME_STRING(PointerToPrimeSelector) ///< const PrimeSelector *
CRYPTOPP_DEFINE_NAME_STRING(Prime1) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(Prime2) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(ModPrime1PrivateExponent) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(ModPrime2PrivateExponent) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(MultiplicativeInverseOfPrime2ModPrime1) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(QuadraticResidueModPrime1) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(QuadraticResidueModPrime2) ///< Integer
CRYPTOPP_DEFINE_NAME_STRING(PutMessage) ///< bool
CRYPTOPP_DEFINE_NAME_STRING(TruncatedDigestSize) ///< int
CRYPTOPP_DEFINE_NAME_STRING(BlockPaddingScheme) ///< StreamTransformationFilter::BlockPaddingScheme
CRYPTOPP_DEFINE_NAME_STRING(HashVerificationFilterFlags) ///< word32
CRYPTOPP_DEFINE_NAME_STRING(AuthenticatedDecryptionFilterFlags) ///< word32
CRYPTOPP_DEFINE_NAME_STRING(SignatureVerificationFilterFlags) ///< word32
CRYPTOPP_DEFINE_NAME_STRING(InputBuffer) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(OutputBuffer) ///< ByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(InputFileName) ///< const char *
CRYPTOPP_DEFINE_NAME_STRING(InputFileNameWide) ///< const wchar_t *
CRYPTOPP_DEFINE_NAME_STRING(InputStreamPointer) ///< std::istream *
CRYPTOPP_DEFINE_NAME_STRING(InputBinaryMode) ///< bool
CRYPTOPP_DEFINE_NAME_STRING(OutputFileName) ///< const char *
CRYPTOPP_DEFINE_NAME_STRING(OutputFileNameWide) ///< const wchar_t *
CRYPTOPP_DEFINE_NAME_STRING(OutputStreamPointer) ///< std::ostream *
CRYPTOPP_DEFINE_NAME_STRING(OutputBinaryMode) ///< bool
CRYPTOPP_DEFINE_NAME_STRING(EncodingParameters) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(KeyDerivationParameters) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(Separator) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(Terminator) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(Uppercase) ///< bool
CRYPTOPP_DEFINE_NAME_STRING(GroupSize) ///< int
CRYPTOPP_DEFINE_NAME_STRING(Pad) ///< bool
CRYPTOPP_DEFINE_NAME_STRING(PaddingByte) ///< byte
CRYPTOPP_DEFINE_NAME_STRING(Log2Base) ///< int
CRYPTOPP_DEFINE_NAME_STRING(EncodingLookupArray) ///< const byte *
CRYPTOPP_DEFINE_NAME_STRING(DecodingLookupArray) ///< const byte *
CRYPTOPP_DEFINE_NAME_STRING(InsertLineBreaks) ///< bool
CRYPTOPP_DEFINE_NAME_STRING(MaxLineLength) ///< int
CRYPTOPP_DEFINE_NAME_STRING(DigestSize) ///< int, in bytes
CRYPTOPP_DEFINE_NAME_STRING(L1KeyLength) ///< int, in bytes
CRYPTOPP_DEFINE_NAME_STRING(TableSize) ///< int, in bytes
CRYPTOPP_DEFINE_NAME_STRING(Blinding) ///< bool, timing attack mitigations, ON by default
CRYPTOPP_DEFINE_NAME_STRING(DerivedKey) ///< ByteArrayParameter, key derivation, derived key
CRYPTOPP_DEFINE_NAME_STRING(DerivedKeyLength) ///< int, key derivation, derived key length in bytes
CRYPTOPP_DEFINE_NAME_STRING(Personalization) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(PersonalizationSize) ///< int, in bytes
CRYPTOPP_DEFINE_NAME_STRING(Salt) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(Tweak) ///< ConstByteArrayParameter
CRYPTOPP_DEFINE_NAME_STRING(SaltSize) ///< int, in bytes
CRYPTOPP_DEFINE_NAME_STRING(TreeMode) ///< byte
CRYPTOPP_DEFINE_NAME_STRING(FileName) ///< const char *
CRYPTOPP_DEFINE_NAME_STRING(FileTime) ///< int
CRYPTOPP_DEFINE_NAME_STRING(Comment) ///< const char *
CRYPTOPP_DEFINE_NAME_STRING(Identity) ///< ConstByteArrayParameter
DOCUMENTED_NAMESPACE_END
NAMESPACE_END
#endif

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// aria.h - written and placed in the public domain by Jeffrey Walton
/// \file aria.h
/// \brief Classes for the ARIA block cipher
/// \details The Crypto++ ARIA implementation is based on the 32-bit implementation by Aaram Yun
/// from the National Security Research Institute, KOREA. Aaram Yun's implementation is based on
/// the 8-bit implementation by Jin Hong. The source files are available in ARIA.zip from the Korea
/// Internet & Security Agency website.
/// \sa <A HREF="http://tools.ietf.org/html/rfc5794">RFC 5794, A Description of the ARIA Encryption Algorithm</A>,
/// <A HREF="http://seed.kisa.or.kr/iwt/ko/bbs/EgovReferenceList.do?bbsId=BBSMSTR_000000000002">Korea
/// Internet & Security Agency homepage</A>
#ifndef CRYPTOPP_ARIA_H
#define CRYPTOPP_ARIA_H
#include "config.h"
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief ARIA block cipher information
/// \since Crypto++ 6.0
struct ARIA_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "ARIA";}
};
/// \brief ARIA block cipher
/// \details The Crypto++ ARIA implementation is based on the 32-bit implementation by Aaram Yun
/// from the National Security Research Institute, KOREA. Aaram Yun's implementation is based on
/// the 8-bit implementation by Jin Hong. The source files are available in ARIA.zip from the Korea
/// Internet & Security Agency website.
/// \sa <A HREF="http://tools.ietf.org/html/rfc5794">RFC 5794, A Description of the ARIA Encryption Algorithm</A>,
/// <A HREF="http://seed.kisa.or.kr/iwt/ko/bbs/EgovReferenceList.do?bbsId=BBSMSTR_000000000002">Korea
/// Internet & Security Agency homepage</A>
/// \sa <a href="http://www.cryptopp.com/wiki/ARIA">ARIA</a>
/// \since Crypto++ 6.0
class ARIA : public ARIA_Info, public BlockCipherDocumentation
{
public:
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<ARIA_Info>
{
public:
Base() : m_rounds(0) {}
protected:
void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
private:
// Reference implementation allocates a table of 17 round keys.
typedef SecBlock<byte, AllocatorWithCleanup<byte, true> > AlignedByteBlock;
typedef SecBlock<word32, AllocatorWithCleanup<word32, true> > AlignedWordBlock;
AlignedWordBlock m_rk; // round keys
AlignedWordBlock m_w; // w0, w1, w2, w3, t and u
unsigned int m_rounds;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
typedef ARIA::Encryption ARIAEncryption;
typedef ARIA::Decryption ARIADecryption;
NAMESPACE_END
#endif

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// arm_simd.h - written and placed in public domain by Jeffrey Walton
/// \file arm_simd.h
/// \brief Support functions for ARM and vector operations
#ifndef CRYPTOPP_ARM_SIMD_H
#define CRYPTOPP_ARM_SIMD_H
#include "config.h"
#if (CRYPTOPP_ARM_NEON_HEADER)
# include <stdint.h>
# include <arm_neon.h>
#endif
#if (CRYPTOPP_ARM_ACLE_HEADER)
# include <stdint.h>
# include <arm_acle.h>
#endif
#if (CRYPTOPP_ARM_CRC32_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \name CRC32 checksum
//@{
/// \brief CRC32 checksum
/// \param crc the starting crc value
/// \param val the value to checksum
/// \return CRC32 value
/// \since Crypto++ 8.6
inline uint32_t CRC32B (uint32_t crc, uint8_t val)
{
#if defined(CRYPTOPP_MSC_VERSION)
return __crc32b(crc, val);
#else
__asm__ ("crc32b %w0, %w0, %w1 \n\t"
:"+r" (crc) : "r" (val) );
return crc;
#endif
}
/// \brief CRC32 checksum
/// \param crc the starting crc value
/// \param val the value to checksum
/// \return CRC32 value
/// \since Crypto++ 8.6
inline uint32_t CRC32W (uint32_t crc, uint32_t val)
{
#if defined(CRYPTOPP_MSC_VERSION)
return __crc32w(crc, val);
#else
__asm__ ("crc32w %w0, %w0, %w1 \n\t"
:"+r" (crc) : "r" (val) );
return crc;
#endif
}
/// \brief CRC32 checksum
/// \param crc the starting crc value
/// \param vals the values to checksum
/// \return CRC32 value
/// \since Crypto++ 8.6
inline uint32_t CRC32Wx4 (uint32_t crc, const uint32_t vals[4])
{
#if defined(CRYPTOPP_MSC_VERSION)
return __crc32w(__crc32w(__crc32w(__crc32w(
crc, vals[0]), vals[1]), vals[2]), vals[3]);
#else
__asm__ ("crc32w %w0, %w0, %w1 \n\t"
"crc32w %w0, %w0, %w2 \n\t"
"crc32w %w0, %w0, %w3 \n\t"
"crc32w %w0, %w0, %w4 \n\t"
:"+r" (crc) : "r" (vals[0]), "r" (vals[1]),
"r" (vals[2]), "r" (vals[3]));
return crc;
#endif
}
//@}
/// \name CRC32-C checksum
/// \brief CRC32-C checksum
/// \param crc the starting crc value
/// \param val the value to checksum
/// \return CRC32-C value
/// \since Crypto++ 8.6
inline uint32_t CRC32CB (uint32_t crc, uint8_t val)
{
#if defined(CRYPTOPP_MSC_VERSION)
return __crc32cb(crc, val);
#else
__asm__ ("crc32cb %w0, %w0, %w1 \n\t"
:"+r" (crc) : "r" (val) );
return crc;
#endif
}
/// \brief CRC32-C checksum
/// \param crc the starting crc value
/// \param val the value to checksum
/// \return CRC32-C value
/// \since Crypto++ 8.6
inline uint32_t CRC32CW (uint32_t crc, uint32_t val)
{
#if defined(CRYPTOPP_MSC_VERSION)
return __crc32cw(crc, val);
#else
__asm__ ("crc32cw %w0, %w0, %w1 \n\t"
:"+r" (crc) : "r" (val) );
return crc;
#endif
}
/// \brief CRC32-C checksum
/// \param crc the starting crc value
/// \param vals the values to checksum
/// \return CRC32-C value
/// \since Crypto++ 8.6
inline uint32_t CRC32CWx4 (uint32_t crc, const uint32_t vals[4])
{
#if defined(CRYPTOPP_MSC_VERSION)
return __crc32cw(__crc32cw(__crc32cw(__crc32cw(
crc, vals[0]), vals[1]), vals[2]), vals[3]);
#else
__asm__ ("crc32cw %w0, %w0, %w1 \n\t"
"crc32cw %w0, %w0, %w2 \n\t"
"crc32cw %w0, %w0, %w3 \n\t"
"crc32cw %w0, %w0, %w4 \n\t"
:"+r" (crc) : "r" (vals[0]), "r" (vals[1]),
"r" (vals[2]), "r" (vals[3]));
return crc;
#endif
}
//@}
#endif // CRYPTOPP_ARM_CRC32_AVAILABLE
#if (CRYPTOPP_ARM_PMULL_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \name Polynomial multiplication
//@{
/// \brief Polynomial multiplication
/// \param a the first value
/// \param b the second value
/// \return vector product
/// \details PMULL_00() performs polynomial multiplication and presents
/// the result like Intel's <tt>c = _mm_clmulepi64_si128(a, b, 0x00)</tt>.
/// The <tt>0x00</tt> indicates the low 64-bits of <tt>a</tt> and <tt>b</tt>
/// are multiplied.
/// \note An Intel XMM register is composed of 128-bits. The leftmost bit
/// is MSB and numbered 127, while the rightmost bit is LSB and
/// numbered 0.
/// \since Crypto++ 8.0
inline uint64x2_t PMULL_00(const uint64x2_t a, const uint64x2_t b)
{
#if defined(CRYPTOPP_MSC_VERSION)
const __n64 x = { vgetq_lane_u64(a, 0) };
const __n64 y = { vgetq_lane_u64(b, 0) };
return vmull_p64(x, y);
#elif defined(__GNUC__)
uint64x2_t r;
__asm__ ("pmull %0.1q, %1.1d, %2.1d \n\t"
:"=w" (r) : "w" (a), "w" (b) );
return r;
#else
return (uint64x2_t)(vmull_p64(
vgetq_lane_u64(vreinterpretq_u64_u8(a),0),
vgetq_lane_u64(vreinterpretq_u64_u8(b),0)));
#endif
}
/// \brief Polynomial multiplication
/// \param a the first value
/// \param b the second value
/// \return vector product
/// \details PMULL_01 performs() polynomial multiplication and presents
/// the result like Intel's <tt>c = _mm_clmulepi64_si128(a, b, 0x01)</tt>.
/// The <tt>0x01</tt> indicates the low 64-bits of <tt>a</tt> and high
/// 64-bits of <tt>b</tt> are multiplied.
/// \note An Intel XMM register is composed of 128-bits. The leftmost bit
/// is MSB and numbered 127, while the rightmost bit is LSB and
/// numbered 0.
/// \since Crypto++ 8.0
inline uint64x2_t PMULL_01(const uint64x2_t a, const uint64x2_t b)
{
#if defined(CRYPTOPP_MSC_VERSION)
const __n64 x = { vgetq_lane_u64(a, 0) };
const __n64 y = { vgetq_lane_u64(b, 1) };
return vmull_p64(x, y);
#elif defined(__GNUC__)
uint64x2_t r;
__asm__ ("pmull %0.1q, %1.1d, %2.1d \n\t"
:"=w" (r) : "w" (a), "w" (vget_high_u64(b)) );
return r;
#else
return (uint64x2_t)(vmull_p64(
vgetq_lane_u64(vreinterpretq_u64_u8(a),0),
vgetq_lane_u64(vreinterpretq_u64_u8(b),1)));
#endif
}
/// \brief Polynomial multiplication
/// \param a the first value
/// \param b the second value
/// \return vector product
/// \details PMULL_10() performs polynomial multiplication and presents
/// the result like Intel's <tt>c = _mm_clmulepi64_si128(a, b, 0x10)</tt>.
/// The <tt>0x10</tt> indicates the high 64-bits of <tt>a</tt> and low
/// 64-bits of <tt>b</tt> are multiplied.
/// \note An Intel XMM register is composed of 128-bits. The leftmost bit
/// is MSB and numbered 127, while the rightmost bit is LSB and
/// numbered 0.
/// \since Crypto++ 8.0
inline uint64x2_t PMULL_10(const uint64x2_t a, const uint64x2_t b)
{
#if defined(CRYPTOPP_MSC_VERSION)
const __n64 x = { vgetq_lane_u64(a, 1) };
const __n64 y = { vgetq_lane_u64(b, 0) };
return vmull_p64(x, y);
#elif defined(__GNUC__)
uint64x2_t r;
__asm__ ("pmull %0.1q, %1.1d, %2.1d \n\t"
:"=w" (r) : "w" (vget_high_u64(a)), "w" (b) );
return r;
#else
return (uint64x2_t)(vmull_p64(
vgetq_lane_u64(vreinterpretq_u64_u8(a),1),
vgetq_lane_u64(vreinterpretq_u64_u8(b),0)));
#endif
}
/// \brief Polynomial multiplication
/// \param a the first value
/// \param b the second value
/// \return vector product
/// \details PMULL_11() performs polynomial multiplication and presents
/// the result like Intel's <tt>c = _mm_clmulepi64_si128(a, b, 0x11)</tt>.
/// The <tt>0x11</tt> indicates the high 64-bits of <tt>a</tt> and <tt>b</tt>
/// are multiplied.
/// \note An Intel XMM register is composed of 128-bits. The leftmost bit
/// is MSB and numbered 127, while the rightmost bit is LSB and
/// numbered 0.
/// \since Crypto++ 8.0
inline uint64x2_t PMULL_11(const uint64x2_t a, const uint64x2_t b)
{
#if defined(CRYPTOPP_MSC_VERSION)
const __n64 x = { vgetq_lane_u64(a, 1) };
const __n64 y = { vgetq_lane_u64(b, 1) };
return vmull_p64(x, y);
#elif defined(__GNUC__)
uint64x2_t r;
__asm__ ("pmull2 %0.1q, %1.2d, %2.2d \n\t"
:"=w" (r) : "w" (a), "w" (b) );
return r;
#else
return (uint64x2_t)(vmull_p64(
vgetq_lane_u64(vreinterpretq_u64_u8(a),1),
vgetq_lane_u64(vreinterpretq_u64_u8(b),1)));
#endif
}
/// \brief Polynomial multiplication
/// \param a the first value
/// \param b the second value
/// \return vector product
/// \details PMULL() performs vmull_p64(). PMULL is provided as
/// GCC inline assembly due to Clang and lack of support for the intrinsic.
/// \since Crypto++ 8.0
inline uint64x2_t PMULL(const uint64x2_t a, const uint64x2_t b)
{
#if defined(CRYPTOPP_MSC_VERSION)
const __n64 x = { vgetq_lane_u64(a, 0) };
const __n64 y = { vgetq_lane_u64(b, 0) };
return vmull_p64(x, y);
#elif defined(__GNUC__)
uint64x2_t r;
__asm__ ("pmull %0.1q, %1.1d, %2.1d \n\t"
:"=w" (r) : "w" (a), "w" (b) );
return r;
#else
return (uint64x2_t)(vmull_p64(
vgetq_lane_u64(vreinterpretq_u64_u8(a),0),
vgetq_lane_u64(vreinterpretq_u64_u8(b),0)));
#endif
}
/// \brief Polynomial multiplication
/// \param a the first value
/// \param b the second value
/// \return vector product
/// \details PMULL_HIGH() performs vmull_high_p64(). PMULL_HIGH is provided as
/// GCC inline assembly due to Clang and lack of support for the intrinsic.
/// \since Crypto++ 8.0
inline uint64x2_t PMULL_HIGH(const uint64x2_t a, const uint64x2_t b)
{
#if defined(CRYPTOPP_MSC_VERSION)
const __n64 x = { vgetq_lane_u64(a, 1) };
const __n64 y = { vgetq_lane_u64(b, 1) };
return vmull_p64(x, y);
#elif defined(__GNUC__)
uint64x2_t r;
__asm__ ("pmull2 %0.1q, %1.2d, %2.2d \n\t"
:"=w" (r) : "w" (a), "w" (b) );
return r;
#else
return (uint64x2_t)(vmull_p64(
vgetq_lane_u64(vreinterpretq_u64_u8(a),1),
vgetq_lane_u64(vreinterpretq_u64_u8(b),1))));
#endif
}
/// \brief Vector extraction
/// \tparam C the byte count
/// \param a the first value
/// \param b the second value
/// \return vector
/// \details VEXT_U8() extracts the first <tt>C</tt> bytes of vector
/// <tt>a</tt> and the remaining bytes in <tt>b</tt>. VEXT_U8 is provided
/// as GCC inline assembly due to Clang and lack of support for the intrinsic.
/// \since Crypto++ 8.0
template <unsigned int C>
inline uint64x2_t VEXT_U8(uint64x2_t a, uint64x2_t b)
{
// https://github.com/weidai11/cryptopp/issues/366
#if defined(CRYPTOPP_MSC_VERSION)
return vreinterpretq_u64_u8(vextq_u8(
vreinterpretq_u8_u64(a), vreinterpretq_u8_u64(b), C));
#else
uint64x2_t r;
__asm__ ("ext %0.16b, %1.16b, %2.16b, %3 \n\t"
:"=w" (r) : "w" (a), "w" (b), "I" (C) );
return r;
#endif
}
//@}
#endif // CRYPTOPP_ARM_PMULL_AVAILABLE
#if CRYPTOPP_ARM_SHA3_AVAILABLE || defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \name ARMv8.2 operations
//@{
/// \brief Three-way XOR
/// \param a the first value
/// \param b the second value
/// \param c the third value
/// \return three-way exclusive OR of the values
/// \details VEOR3() performs veor3q_u64(). VEOR3 is provided as GCC inline assembly due
/// to Clang and lack of support for the intrinsic.
/// \details VEOR3 requires ARMv8.2.
/// \since Crypto++ 8.6
inline uint64x2_t VEOR3(uint64x2_t a, uint64x2_t b, uint64x2_t c)
{
#if defined(CRYPTOPP_MSC_VERSION)
return veor3q_u64(a, b, c);
#else
uint64x2_t r;
__asm__ ("eor3 %0.16b, %1.16b, %2.16b, %3.16b \n\t"
:"=w" (r) : "w" (a), "w" (b), "w" (c));
return r;
#endif
}
/// \brief XOR and rotate
/// \param a the first value
/// \param b the second value
/// \param c the third value
/// \return two-way exclusive OR of the values, then rotated by c
/// \details VXARQ() performs vxarq_u64(). VXARQ is provided as GCC inline assembly due
/// to Clang and lack of support for the intrinsic.
/// \details VXARQ requires ARMv8.2.
/// \since Crypto++ 8.6
inline uint64x2_t VXAR(uint64x2_t a, uint64x2_t b, const int c)
{
#if defined(CRYPTOPP_MSC_VERSION)
return vxarq_u64(a, b, c);
#else
uint64x2_t r;
__asm__ ("xar %0.2d, %1.2d, %2.2d, %3 \n\t"
:"=w" (r) : "w" (a), "w" (b), "I" (c));
return r;
#endif
}
/// \brief XOR and rotate
/// \tparam C the rotate amount
/// \param a the first value
/// \param b the second value
/// \return two-way exclusive OR of the values, then rotated by C
/// \details VXARQ() performs vxarq_u64(). VXARQ is provided as GCC inline assembly due
/// to Clang and lack of support for the intrinsic.
/// \details VXARQ requires ARMv8.2.
/// \since Crypto++ 8.6
template <unsigned int C>
inline uint64x2_t VXAR(uint64x2_t a, uint64x2_t b)
{
#if defined(CRYPTOPP_MSC_VERSION)
return vxarq_u64(a, b, C);
#else
uint64x2_t r;
__asm__ ("xar %0.2d, %1.2d, %2.2d, %3 \n\t"
:"=w" (r) : "w" (a), "w" (b), "I" (C));
return r;
#endif
}
/// \brief XOR and rotate
/// \param a the first value
/// \param b the second value
/// \return two-way exclusive OR of the values, then rotated 1-bit
/// \details VRAX1() performs vrax1q_u64(). VRAX1 is provided as GCC inline assembly due
/// to Clang and lack of support for the intrinsic.
/// \details VRAX1 requires ARMv8.2.
/// \since Crypto++ 8.6
inline uint64x2_t VRAX1(uint64x2_t a, uint64x2_t b)
{
#if defined(CRYPTOPP_MSC_VERSION)
return vrax1q_u64(a, b);
#else
uint64x2_t r;
__asm__ ("rax1 %0.2d, %1.2d, %2.2d \n\t"
:"=w" (r) : "w" (a), "w" (b));
return r;
#endif
}
//@}
#endif // CRYPTOPP_ARM_SHA3_AVAILABLE
#endif // CRYPTOPP_ARM_SIMD_H

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// asn.h - originally written and placed in the public domain by Wei Dai
/// \file asn.h
/// \brief Classes and functions for working with ANS.1 objects
#ifndef CRYPTOPP_ASN_H
#define CRYPTOPP_ASN_H
#include "cryptlib.h"
#include "filters.h"
#include "smartptr.h"
#include "stdcpp.h"
#include "queue.h"
#include "misc.h"
#include <iosfwd>
// Issue 340
#if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wconversion"
# pragma GCC diagnostic ignored "-Wsign-conversion"
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief ASN.1 types
/// \note These tags are not complete
enum ASNTag
{
/// \brief ASN.1 Boolean
BOOLEAN = 0x01,
/// \brief ASN.1 Integer
INTEGER = 0x02,
/// \brief ASN.1 Bit string
BIT_STRING = 0x03,
/// \brief ASN.1 Octet string
OCTET_STRING = 0x04,
/// \brief ASN.1 Null
TAG_NULL = 0x05,
/// \brief ASN.1 Object identifier
OBJECT_IDENTIFIER = 0x06,
/// \brief ASN.1 Object descriptor
OBJECT_DESCRIPTOR = 0x07,
/// \brief ASN.1 External reference
EXTERNAL = 0x08,
/// \brief ASN.1 Real integer
REAL = 0x09,
/// \brief ASN.1 Enumerated value
ENUMERATED = 0x0a,
/// \brief ASN.1 UTF-8 string
UTF8_STRING = 0x0c,
/// \brief ASN.1 Sequence
SEQUENCE = 0x10,
/// \brief ASN.1 Set
SET = 0x11,
/// \brief ASN.1 Numeric string
NUMERIC_STRING = 0x12,
/// \brief ASN.1 Printable string
PRINTABLE_STRING = 0x13,
/// \brief ASN.1 T61 string
T61_STRING = 0x14,
/// \brief ASN.1 Videotext string
VIDEOTEXT_STRING = 0x15,
/// \brief ASN.1 IA5 string
IA5_STRING = 0x16,
/// \brief ASN.1 UTC time
UTC_TIME = 0x17,
/// \brief ASN.1 Generalized time
GENERALIZED_TIME = 0x18,
/// \brief ASN.1 Graphic string
GRAPHIC_STRING = 0x19,
/// \brief ASN.1 Visible string
VISIBLE_STRING = 0x1a,
/// \brief ASN.1 General string
GENERAL_STRING = 0x1b,
/// \brief ASN.1 Universal string
UNIVERSAL_STRING = 0x1c,
/// \brief ASN.1 BMP string
BMP_STRING = 0x1e
};
/// \brief ASN.1 flags
/// \note These flags are not complete
enum ASNIdFlag
{
/// \brief ASN.1 Universal class
UNIVERSAL = 0x00,
// DATA = 0x01,
// HEADER = 0x02,
/// \brief ASN.1 Primitive flag
PRIMITIVE = 0x00,
/// \brief ASN.1 Constructed flag
CONSTRUCTED = 0x20,
/// \brief ASN.1 Application class
APPLICATION = 0x40,
/// \brief ASN.1 Context specific class
CONTEXT_SPECIFIC = 0x80,
/// \brief ASN.1 Private class
PRIVATE = 0xc0
};
/// \brief Raises a BERDecodeErr
inline void BERDecodeError() {throw BERDecodeErr();}
/// \brief Exception thrown when an unknown object identifier is encountered
class CRYPTOPP_DLL UnknownOID : public BERDecodeErr
{
public:
/// \brief Construct an UnknownOID
UnknownOID() : BERDecodeErr("BER decode error: unknown object identifier") {}
/// \brief Construct an UnknownOID
/// \param err error message to use for the exception
UnknownOID(const char *err) : BERDecodeErr(err) {}
};
/// \brief DER encode a length
/// \param bt BufferedTransformation object for writing
/// \param length the size to encode
/// \return the number of octets used for the encoding
CRYPTOPP_DLL size_t CRYPTOPP_API DERLengthEncode(BufferedTransformation &bt, lword length);
/// \brief BER decode a length
/// \param bt BufferedTransformation object for reading
/// \param length the decoded size
/// \return true if the value was decoded
/// \throw BERDecodeError if the value fails to decode or is too large for size_t
/// \details BERLengthDecode() returns false if the encoding is indefinite length.
CRYPTOPP_DLL bool CRYPTOPP_API BERLengthDecode(BufferedTransformation &bt, size_t &length);
/// \brief DER encode NULL
/// \param bt BufferedTransformation object for writing
CRYPTOPP_DLL void CRYPTOPP_API DEREncodeNull(BufferedTransformation &bt);
/// \brief BER decode NULL
/// \param bt BufferedTransformation object for reading
CRYPTOPP_DLL void CRYPTOPP_API BERDecodeNull(BufferedTransformation &bt);
/// \brief DER encode octet string
/// \param bt BufferedTransformation object for writing
/// \param str the string to encode
/// \param strLen the length of the string
/// \return the number of octets used for the encoding
CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeOctetString(BufferedTransformation &bt, const byte *str, size_t strLen);
/// \brief DER encode octet string
/// \param bt BufferedTransformation object for reading
/// \param str the string to encode
/// \return the number of octets used for the encoding
CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeOctetString(BufferedTransformation &bt, const SecByteBlock &str);
/// \brief BER decode octet string
/// \param bt BufferedTransformation object for reading
/// \param str the decoded string
/// \return the number of octets used for the encoding
CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeOctetString(BufferedTransformation &bt, SecByteBlock &str);
/// \brief BER decode octet string
/// \param bt BufferedTransformation object for reading
/// \param str the decoded string
/// \return the number of octets used for the encoding
CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeOctetString(BufferedTransformation &bt, BufferedTransformation &str);
/// \brief DER encode text string
/// \param bt BufferedTransformation object for writing
/// \param str the string to encode
/// \param strLen the length of the string, in bytes
/// \param asnTag the ASN.1 identifier
/// \return the number of octets used for the encoding
/// \details DEREncodeTextString() can be used for UTF8_STRING, PRINTABLE_STRING, and IA5_STRING
/// \since Crypto++ 8.3
CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeTextString(BufferedTransformation &bt, const byte* str, size_t strLen, byte asnTag);
/// \brief DER encode text string
/// \param bt BufferedTransformation object for writing
/// \param str the string to encode
/// \param asnTag the ASN.1 identifier
/// \return the number of octets used for the encoding
/// \details DEREncodeTextString() can be used for UTF8_STRING, PRINTABLE_STRING, and IA5_STRING
/// \since Crypto++ 8.3
CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeTextString(BufferedTransformation &bt, const SecByteBlock &str, byte asnTag);
/// \brief DER encode text string
/// \param bt BufferedTransformation object for writing
/// \param str the string to encode
/// \param asnTag the ASN.1 identifier
/// \return the number of octets used for the encoding
/// \details DEREncodeTextString() can be used for UTF8_STRING, PRINTABLE_STRING, and IA5_STRING
/// \since Crypto++ 6.0
CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeTextString(BufferedTransformation &bt, const std::string &str, byte asnTag);
/// \brief BER decode text string
/// \param bt BufferedTransformation object for reading
/// \param str the string to decode
/// \param asnTag the ASN.1 identifier
/// \details BERDecodeTextString() can be used for UTF8_STRING, PRINTABLE_STRING, and IA5_STRING
/// \since Crypto++ 8.3
CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeTextString(BufferedTransformation &bt, SecByteBlock &str, byte asnTag);
/// \brief BER decode text string
/// \param bt BufferedTransformation object for reading
/// \param str the string to decode
/// \param asnTag the ASN.1 identifier
/// \details BERDecodeTextString() can be used for UTF8_STRING, PRINTABLE_STRING, and IA5_STRING
/// \since Crypto++ 6.0
CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeTextString(BufferedTransformation &bt, std::string &str, byte asnTag);
/// \brief DER encode date
/// \param bt BufferedTransformation object for writing
/// \param str the date to encode
/// \param asnTag the ASN.1 identifier
/// \return the number of octets used for the encoding
/// \details BERDecodeDate() can be used for UTC_TIME and GENERALIZED_TIME
/// \since Crypto++ 8.3
CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeDate(BufferedTransformation &bt, const SecByteBlock &str, byte asnTag);
/// \brief BER decode date
/// \param bt BufferedTransformation object for reading
/// \param str the date to decode
/// \param asnTag the ASN.1 identifier
/// \details BERDecodeDate() can be used for UTC_TIME and GENERALIZED_TIME
/// \since Crypto++ 8.3
CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeDate(BufferedTransformation &bt, SecByteBlock &str, byte asnTag);
/// \brief DER encode bit string
/// \param bt BufferedTransformation object for writing
/// \param str the string to encode
/// \param strLen the length of the string
/// \param unusedBits the number of unused bits
/// \return the number of octets used for the encoding
/// \details The caller is responsible for shifting octets if unusedBits is
/// not 0. For example, to DER encode a web server X.509 key usage, the 101b
/// bit mask is often used (digitalSignature and keyEncipherment). In this
/// case <tt>str</tt> is one octet with a value=0xa0 and unusedBits=5. The
/// value 0xa0 is <tt>101b << 5</tt>.
CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeBitString(BufferedTransformation &bt, const byte *str, size_t strLen, unsigned int unusedBits=0);
/// \brief DER decode bit string
/// \param bt BufferedTransformation object for reading
/// \param str the decoded string
/// \param unusedBits the number of unused bits
/// \details The caller is responsible for shifting octets if unusedBits is
/// not 0. For example, to DER encode a web server X.509 key usage, the 101b
/// bit mask is often used (digitalSignature and keyEncipherment). In this
/// case <tt>str</tt> is one octet with a value=0xa0 and unusedBits=5. The
/// value 0xa0 is <tt>101b << 5</tt>.
CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeBitString(BufferedTransformation &bt, SecByteBlock &str, unsigned int &unusedBits);
/// \brief BER decode and DER re-encode
/// \param bt BufferedTransformation object for writing
/// \param dest BufferedTransformation object
CRYPTOPP_DLL void CRYPTOPP_API DERReencode(BufferedTransformation &bt, BufferedTransformation &dest);
/// \brief BER decode size
/// \param bt BufferedTransformation object for reading
/// \return the length of the ASN.1 value, in bytes
/// \details BERDecodePeekLength() determines the length of a value without
/// consuming octets in the stream. The stream must use definite length encoding.
/// If indefinite length encoding is used or an error occurs, then 0 is returned.
/// \since Crypto++ 8.3
CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodePeekLength(const BufferedTransformation &bt);
/// \brief Object Identifier
class CRYPTOPP_DLL OID
{
public:
virtual ~OID() {}
/// \brief Construct an OID
OID() {}
/// \brief Construct an OID
/// \param v value to initialize the OID
OID(word32 v) : m_values(1, v) {}
/// \brief Construct an OID
/// \param bt BufferedTransformation object
OID(BufferedTransformation &bt) {
BERDecode(bt);
}
/// \brief Append a value to an OID
/// \param rhs the value to append
inline OID & operator+=(word32 rhs) {
m_values.push_back(rhs); return *this;
}
/// \brief DER encode this OID
/// \param bt BufferedTransformation object
void DEREncode(BufferedTransformation &bt) const;
/// \brief BER decode an OID
/// \param bt BufferedTransformation object
void BERDecode(BufferedTransformation &bt);
/// \brief BER decode an OID
/// \param bt BufferedTransformation object
/// \throw BERDecodeErr() if decoded value doesn't match an expected OID
/// \details BERDecodeAndCheck() can be used to parse an OID and verify it matches an expected.
/// <pre>
/// BERSequenceDecoder key(bt);
/// ...
/// BERSequenceDecoder algorithm(key);
/// GetAlgorithmID().BERDecodeAndCheck(algorithm);
/// </pre>
void BERDecodeAndCheck(BufferedTransformation &bt) const;
/// \brief Determine if OID is empty
/// \return true if OID has 0 elements, false otherwise
/// \since Crypto++ 8.0
bool Empty() const {
return m_values.empty();
}
/// \brief Retrieve OID value array
/// \return OID value vector
/// \since Crypto++ 8.0
const std::vector<word32>& GetValues() const {
return m_values;
}
/// \brief Print an OID
/// \param out ostream object
/// \return ostream reference
/// \details Print() writes the OID in a customary format, like
/// 1.2.840.113549.1.1.11. The caller is reposnsible to convert the
/// OID to a friendly name, like sha256WithRSAEncryption.
/// \since Crypto++ 8.3
std::ostream& Print(std::ostream& out) const;
protected:
friend bool operator==(const OID &lhs, const OID &rhs);
friend bool operator!=(const OID &lhs, const OID &rhs);
friend bool operator< (const OID &lhs, const OID &rhs);
friend bool operator> (const OID &lhs, const OID &rhs);
friend bool operator<=(const OID &lhs, const OID &rhs);
friend bool operator>=(const OID &lhs, const OID &rhs);
std::vector<word32> m_values;
private:
static void EncodeValue(BufferedTransformation &bt, word32 v);
static size_t DecodeValue(BufferedTransformation &bt, word32 &v);
};
/// \brief ASN.1 encoded object filter
class EncodedObjectFilter : public Filter
{
public:
enum Flag {PUT_OBJECTS=1, PUT_MESSANGE_END_AFTER_EACH_OBJECT=2, PUT_MESSANGE_END_AFTER_ALL_OBJECTS=4, PUT_MESSANGE_SERIES_END_AFTER_ALL_OBJECTS=8};
enum State {IDENTIFIER, LENGTH, BODY, TAIL, ALL_DONE} m_state;
virtual ~EncodedObjectFilter() {}
/// \brief Construct an EncodedObjectFilter
/// \param attachment a BufferedTrasformation to attach to this object
/// \param nObjects the number of objects
/// \param flags bitwise OR of EncodedObjectFilter::Flag
EncodedObjectFilter(BufferedTransformation *attachment = NULLPTR, unsigned int nObjects = 1, word32 flags = 0);
/// \brief Input a byte buffer for processing
/// \param inString the byte buffer to process
/// \param length the size of the string, in bytes
void Put(const byte *inString, size_t length);
unsigned int GetNumberOfCompletedObjects() const {return m_nCurrentObject;}
unsigned long GetPositionOfObject(unsigned int i) const {return m_positions[i];}
private:
BufferedTransformation & CurrentTarget();
ByteQueue m_queue;
std::vector<unsigned int> m_positions;
lword m_lengthRemaining;
word32 m_nObjects, m_nCurrentObject, m_level, m_flags;
byte m_id;
};
/// \brief BER General Decoder
class CRYPTOPP_DLL BERGeneralDecoder : public Store
{
public:
/// \brief Default ASN.1 tag
enum {DefaultTag = SEQUENCE | EnumToInt(CONSTRUCTED)};
virtual ~BERGeneralDecoder();
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \details BERGeneralDecoder uses DefaultTag
explicit BERGeneralDecoder(BufferedTransformation &inQueue);
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \param asnTag ASN.1 tag
explicit BERGeneralDecoder(BufferedTransformation &inQueue, byte asnTag);
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \param asnTag ASN.1 tag
explicit BERGeneralDecoder(BERGeneralDecoder &inQueue, byte asnTag);
/// \brief Determine length encoding
/// \return true if the ASN.1 object is definite length encoded, false otherwise
bool IsDefiniteLength() const {
return m_definiteLength;
}
/// \brief Determine remaining length
/// \return number of octets that remain to be consumed
/// \details RemainingLength() is only valid if IsDefiniteLength()
/// returns true.
lword RemainingLength() const {
CRYPTOPP_ASSERT(m_definiteLength);
return IsDefiniteLength() ? m_length : 0;
}
/// \brief Determine end of stream
/// \return true if all octets have been consumed, false otherwise
bool EndReached() const;
/// \brief Determine next octet
/// \return next octet in the stream
/// \details PeekByte does not consume the octet.
/// \throw BERDecodeError if there are no octets remaining
byte PeekByte() const;
/// \brief Determine next octet
/// \details CheckByte reads the next byte in the stream and verifies
/// the octet matches b.
/// \throw BERDecodeError if the next octet is not b
void CheckByte(byte b);
/// \brief Transfer bytes to another BufferedTransformation
/// \param target the destination BufferedTransformation
/// \param transferBytes the number of bytes to transfer
/// \param channel the channel on which the transfer should occur
/// \param blocking specifies whether the object should block when
/// processing input
/// \return the number of bytes that remain in the transfer block
/// (i.e., bytes not transferred)
/// \details TransferTo2() removes bytes and moves
/// them to the destination. Transfer begins at the index position
/// in the current stream, and not from an absolute position in the
/// stream.
/// \details transferBytes is an \a IN and \a OUT parameter. When
/// the call is made, transferBytes is the requested size of the
/// transfer. When the call returns, transferBytes is the number
/// of bytes that were transferred.
size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true);
/// \brief Copy bytes to another BufferedTransformation
/// \param target the destination BufferedTransformation
/// \param begin the 0-based index of the first byte to copy in
/// the stream
/// \param end the 0-based index of the last byte to copy in
/// the stream
/// \param channel the channel on which the transfer should occur
/// \param blocking specifies whether the object should block when
/// processing input
/// \return the number of bytes that remain in the copy block
/// (i.e., bytes not copied)
/// \details CopyRangeTo2 copies bytes to the
/// destination. The bytes are not removed from this object. Copying
/// begins at the index position in the current stream, and not from
/// an absolute position in the stream.
/// \details begin is an \a IN and \a OUT parameter. When the call is
/// made, begin is the starting position of the copy. When the call
/// returns, begin is the position of the first byte that was \a not
/// copied (which may be different than end). begin can be used for
/// subsequent calls to CopyRangeTo2().
size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const;
/// \brief Signals the end of messages to the object
/// \details Call this to denote end of sequence
void MessageEnd();
protected:
BufferedTransformation &m_inQueue;
lword m_length;
bool m_finished, m_definiteLength;
private:
void Init(byte asnTag);
void StoreInitialize(const NameValuePairs &parameters)
{CRYPTOPP_UNUSED(parameters); CRYPTOPP_ASSERT(false);}
lword ReduceLength(lword delta);
};
/// \brief DER General Encoder
class CRYPTOPP_DLL DERGeneralEncoder : public ByteQueue
{
public:
/// \brief Default ASN.1 tag
enum {DefaultTag = SEQUENCE | EnumToInt(CONSTRUCTED)};
virtual ~DERGeneralEncoder();
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \details DERGeneralEncoder uses DefaultTag
explicit DERGeneralEncoder(BufferedTransformation &outQueue);
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \param asnTag ASN.1 tag
explicit DERGeneralEncoder(BufferedTransformation &outQueue, byte asnTag);
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \param asnTag ASN.1 tag
explicit DERGeneralEncoder(DERGeneralEncoder &outQueue, byte asnTag);
/// \brief Signals the end of messages to the object
/// \details Call this to denote end of sequence
void MessageEnd();
private:
BufferedTransformation &m_outQueue;
byte m_asnTag;
bool m_finished;
};
/// \brief BER Sequence Decoder
class CRYPTOPP_DLL BERSequenceDecoder : public BERGeneralDecoder
{
public:
/// \brief Default ASN.1 tag
enum {DefaultTag = SEQUENCE | EnumToInt(CONSTRUCTED)};
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \details BERSequenceDecoder uses DefaultTag
explicit BERSequenceDecoder(BufferedTransformation &inQueue)
: BERGeneralDecoder(inQueue, DefaultTag) {}
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \param asnTag ASN.1 tag
explicit BERSequenceDecoder(BufferedTransformation &inQueue, byte asnTag)
: BERGeneralDecoder(inQueue, asnTag) {}
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \details BERSequenceDecoder uses DefaultTag
explicit BERSequenceDecoder(BERSequenceDecoder &inQueue)
: BERGeneralDecoder(inQueue, DefaultTag) {}
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \param asnTag ASN.1 tag
explicit BERSequenceDecoder(BERSequenceDecoder &inQueue, byte asnTag)
: BERGeneralDecoder(inQueue, asnTag) {}
};
/// \brief DER Sequence Encoder
class CRYPTOPP_DLL DERSequenceEncoder : public DERGeneralEncoder
{
public:
/// \brief Default ASN.1 tag
enum {DefaultTag = SEQUENCE | EnumToInt(CONSTRUCTED)};
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \details DERSequenceEncoder uses DefaultTag
explicit DERSequenceEncoder(BufferedTransformation &outQueue)
: DERGeneralEncoder(outQueue, DefaultTag) {}
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \param asnTag ASN.1 tag
explicit DERSequenceEncoder(BufferedTransformation &outQueue, byte asnTag)
: DERGeneralEncoder(outQueue, asnTag) {}
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \details DERSequenceEncoder uses DefaultTag
explicit DERSequenceEncoder(DERSequenceEncoder &outQueue)
: DERGeneralEncoder(outQueue, DefaultTag) {}
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \param asnTag ASN.1 tag
explicit DERSequenceEncoder(DERSequenceEncoder &outQueue, byte asnTag)
: DERGeneralEncoder(outQueue, asnTag) {}
};
/// \brief BER Set Decoder
class CRYPTOPP_DLL BERSetDecoder : public BERGeneralDecoder
{
public:
/// \brief Default ASN.1 tag
enum {DefaultTag = SET | EnumToInt(CONSTRUCTED)};
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \details BERSetDecoder uses DefaultTag
explicit BERSetDecoder(BufferedTransformation &inQueue)
: BERGeneralDecoder(inQueue, DefaultTag) {}
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \param asnTag ASN.1 tag
explicit BERSetDecoder(BufferedTransformation &inQueue, byte asnTag)
: BERGeneralDecoder(inQueue, asnTag) {}
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \details BERSetDecoder uses DefaultTag
explicit BERSetDecoder(BERSetDecoder &inQueue)
: BERGeneralDecoder(inQueue, DefaultTag) {}
/// \brief Construct an ASN.1 decoder
/// \param inQueue input byte queue
/// \param asnTag ASN.1 tag
explicit BERSetDecoder(BERSetDecoder &inQueue, byte asnTag)
: BERGeneralDecoder(inQueue, asnTag) {}
};
/// \brief DER Set Encoder
class CRYPTOPP_DLL DERSetEncoder : public DERGeneralEncoder
{
public:
/// \brief Default ASN.1 tag
enum {DefaultTag = SET | EnumToInt(CONSTRUCTED)};
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \details DERSetEncoder uses DefaultTag
explicit DERSetEncoder(BufferedTransformation &outQueue)
: DERGeneralEncoder(outQueue, DefaultTag) {}
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \param asnTag ASN.1 tag
explicit DERSetEncoder(BufferedTransformation &outQueue, byte asnTag)
: DERGeneralEncoder(outQueue, asnTag) {}
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \details DERSetEncoder uses DefaultTag
explicit DERSetEncoder(DERSetEncoder &outQueue)
: DERGeneralEncoder(outQueue, DefaultTag) {}
/// \brief Construct an ASN.1 encoder
/// \param outQueue output byte queue
/// \param asnTag ASN.1 tag
explicit DERSetEncoder(DERSetEncoder &outQueue, byte asnTag)
: DERGeneralEncoder(outQueue, asnTag) {}
};
/// \brief Optional data encoder and decoder
/// \tparam T class or type
template <class T>
class ASNOptional : public member_ptr<T>
{
public:
/// \brief BER decode optional data
/// \param seqDecoder sequence with the optional ASN.1 data
/// \param tag ASN.1 tag to match as optional data
/// \param mask the mask to apply when matching the tag
/// \sa ASNTag and ASNIdFlag
void BERDecode(BERSequenceDecoder &seqDecoder, byte tag, byte mask = ~CONSTRUCTED)
{
byte b;
if (seqDecoder.Peek(b) && (b & mask) == tag)
reset(new T(seqDecoder));
}
/// \brief DER encode optional data
/// \param out BufferedTransformation object
void DEREncode(BufferedTransformation &out)
{
if (this->get() != NULLPTR)
this->get()->DEREncode(out);
}
};
/// \brief Encode and decode ASN.1 objects with additional information
/// \tparam BASE base class or type
/// \details Encodes and decodes public keys, private keys and group
/// parameters with OID identifying the algorithm or scheme.
template <class BASE>
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE ASN1CryptoMaterial : public ASN1Object, public BASE
{
public:
/// \brief DER encode ASN.1 object
/// \param bt BufferedTransformation object
/// \details Save() will write the OID associated with algorithm or scheme.
/// In the case of public and private keys, this function writes the
/// subjectPublicKeyInfo and privateKeyInfo parts.
void Save(BufferedTransformation &bt) const
{BEREncode(bt);}
/// \brief BER decode ASN.1 object
/// \param bt BufferedTransformation object
void Load(BufferedTransformation &bt)
{BERDecode(bt);}
};
/// \brief Encodes and decodes subjectPublicKeyInfo
class CRYPTOPP_DLL X509PublicKey : public ASN1CryptoMaterial<PublicKey>
{
public:
virtual ~X509PublicKey() {}
void BERDecode(BufferedTransformation &bt);
void DEREncode(BufferedTransformation &bt) const;
/// \brief Retrieves the OID of the algorithm
/// \return OID of the algorithm
virtual OID GetAlgorithmID() const =0;
/// \brief Decode algorithm parameters
/// \param bt BufferedTransformation object
/// \sa BERDecodePublicKey, <A HREF="http://www.ietf.org/rfc/rfc2459.txt">RFC
/// 2459, section 7.3.1</A>
virtual bool BERDecodeAlgorithmParameters(BufferedTransformation &bt)
{BERDecodeNull(bt); return false;}
/// \brief Encode algorithm parameters
/// \param bt BufferedTransformation object
/// \sa DEREncodePublicKey, <A HREF="http://www.ietf.org/rfc/rfc2459.txt">RFC
/// 2459, section 7.3.1</A>
virtual bool DEREncodeAlgorithmParameters(BufferedTransformation &bt) const
{DEREncodeNull(bt); return false;}
/// \brief Decode subjectPublicKey part of subjectPublicKeyInfo
/// \param bt BufferedTransformation object
/// \param parametersPresent flag indicating if algorithm parameters are present
/// \param size number of octets to read for the parameters, in bytes
/// \details BERDecodePublicKey() the decodes subjectPublicKey part of
/// subjectPublicKeyInfo, without the BIT STRING header.
/// \details When <tt>parametersPresent = true</tt> then BERDecodePublicKey() calls
/// BERDecodeAlgorithmParameters() to parse algorithm parameters.
/// \sa BERDecodeAlgorithmParameters
virtual void BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size) =0;
/// \brief Encode subjectPublicKey part of subjectPublicKeyInfo
/// \param bt BufferedTransformation object
/// \details DEREncodePublicKey() encodes the subjectPublicKey part of
/// subjectPublicKeyInfo, without the BIT STRING header.
/// \sa DEREncodeAlgorithmParameters
virtual void DEREncodePublicKey(BufferedTransformation &bt) const =0;
};
/// \brief Encodes and Decodes privateKeyInfo
class CRYPTOPP_DLL PKCS8PrivateKey : public ASN1CryptoMaterial<PrivateKey>
{
public:
virtual ~PKCS8PrivateKey() {}
void BERDecode(BufferedTransformation &bt);
void DEREncode(BufferedTransformation &bt) const;
/// \brief Retrieves the OID of the algorithm
/// \return OID of the algorithm
virtual OID GetAlgorithmID() const =0;
/// \brief Decode optional parameters
/// \param bt BufferedTransformation object
/// \sa BERDecodePrivateKey, <A HREF="http://www.ietf.org/rfc/rfc2459.txt">RFC
/// 2459, section 7.3.1</A>
virtual bool BERDecodeAlgorithmParameters(BufferedTransformation &bt)
{BERDecodeNull(bt); return false;}
/// \brief Encode optional parameters
/// \param bt BufferedTransformation object
/// \sa DEREncodePrivateKey, <A HREF="http://www.ietf.org/rfc/rfc2459.txt">RFC
/// 2459, section 7.3.1</A>
virtual bool DEREncodeAlgorithmParameters(BufferedTransformation &bt) const
{DEREncodeNull(bt); return false;}
/// \brief Decode privateKey part of privateKeyInfo
/// \param bt BufferedTransformation object
/// \param parametersPresent flag indicating if algorithm parameters are present
/// \param size number of octets to read for the parameters, in bytes
/// \details BERDecodePrivateKey() the decodes privateKey part of privateKeyInfo,
/// without the OCTET STRING header.
/// \details When <tt>parametersPresent = true</tt> then BERDecodePrivateKey() calls
/// BERDecodeAlgorithmParameters() to parse algorithm parameters.
/// \sa BERDecodeAlgorithmParameters
virtual void BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size) =0;
/// \brief Encode privateKey part of privateKeyInfo
/// \param bt BufferedTransformation object
/// \details DEREncodePrivateKey() encodes the privateKey part of privateKeyInfo,
/// without the OCTET STRING header.
/// \sa DEREncodeAlgorithmParameters
virtual void DEREncodePrivateKey(BufferedTransformation &bt) const =0;
/// \brief Decode optional attributes
/// \param bt BufferedTransformation object
/// \details BERDecodeOptionalAttributes() decodes optional attributes including
/// context-specific tag.
/// \sa BERDecodeAlgorithmParameters, DEREncodeOptionalAttributes
/// \note default implementation stores attributes to be output using
/// DEREncodeOptionalAttributes
virtual void BERDecodeOptionalAttributes(BufferedTransformation &bt);
/// \brief Encode optional attributes
/// \param bt BufferedTransformation object
/// \details DEREncodeOptionalAttributes() encodes optional attributes including
/// context-specific tag.
/// \sa BERDecodeAlgorithmParameters
virtual void DEREncodeOptionalAttributes(BufferedTransformation &bt) const;
protected:
ByteQueue m_optionalAttributes;
};
// ********************************************************
/// \brief DER Encode unsigned value
/// \tparam T class or type
/// \param out BufferedTransformation object
/// \param w unsigned value to encode
/// \param asnTag the ASN.1 identifier
/// \details DEREncodeUnsigned() can be used with INTEGER, BOOLEAN, and ENUM
template <class T>
size_t DEREncodeUnsigned(BufferedTransformation &out, T w, byte asnTag = INTEGER)
{
byte buf[sizeof(w)+1];
unsigned int bc;
if (asnTag == BOOLEAN)
{
buf[sizeof(w)] = w ? 0xff : 0;
bc = 1;
}
else
{
buf[0] = 0;
for (unsigned int i=0; i<sizeof(w); i++)
buf[i+1] = byte(w >> (sizeof(w)-1-i)*8);
bc = sizeof(w);
while (bc > 1 && buf[sizeof(w)+1-bc] == 0)
--bc;
if (buf[sizeof(w)+1-bc] & 0x80)
++bc;
}
out.Put(asnTag);
size_t lengthBytes = DERLengthEncode(out, bc);
out.Put(buf+sizeof(w)+1-bc, bc);
return 1+lengthBytes+bc;
}
/// \brief BER Decode unsigned value
/// \tparam T fundamental C++ type
/// \param in BufferedTransformation object
/// \param w the decoded value
/// \param asnTag the ASN.1 identifier
/// \param minValue the minimum expected value
/// \param maxValue the maximum expected value
/// \throw BERDecodeErr() if the value cannot be parsed or the decoded value is not within range.
/// \details DEREncodeUnsigned() can be used with INTEGER, BOOLEAN, and ENUM
template <class T>
void BERDecodeUnsigned(BufferedTransformation &in, T &w, byte asnTag = INTEGER,
T minValue = 0, T maxValue = T(0xffffffff))
{
byte b;
if (!in.Get(b) || b != asnTag)
BERDecodeError();
size_t bc;
bool definite = BERLengthDecode(in, bc);
if (!definite)
BERDecodeError();
if (bc > in.MaxRetrievable()) // Issue 346
BERDecodeError();
if (asnTag == BOOLEAN && bc != 1) // X.690, 8.2.1
BERDecodeError();
if ((asnTag == INTEGER || asnTag == ENUMERATED) && bc == 0) // X.690, 8.3.1 and 8.4
BERDecodeError();
SecByteBlock buf(bc);
if (bc != in.Get(buf, bc))
BERDecodeError();
// This consumes leading 0 octets. According to X.690, 8.3.2, it could be non-conforming behavior.
// X.690, 8.3.2 says "the bits of the first octet and bit 8 of the second octet ... (a) shall
// not all be ones and (b) shall not all be zeros ... These rules ensure that an integer value
// is always encoded in the smallest possible number of octet".
// We invented AER (Alternate Encoding Rules), which is more relaxed than BER, CER, and DER.
const byte *ptr = buf;
while (bc > sizeof(w) && *ptr == 0)
{
bc--;
ptr++;
}
if (bc > sizeof(w))
BERDecodeError();
w = 0;
for (unsigned int i=0; i<bc; i++)
w = (w << 8) | ptr[i];
if (w < minValue || w > maxValue)
BERDecodeError();
}
#ifdef CRYPTOPP_DOXYGEN_PROCESSING
/// \brief Compare two OIDs for equality
/// \param lhs the first OID
/// \param rhs the second OID
/// \return true if the OIDs are equal, false otherwise
inline bool operator==(const OID &lhs, const OID &rhs);
/// \brief Compare two OIDs for inequality
/// \param lhs the first OID
/// \param rhs the second OID
/// \return true if the OIDs are not equal, false otherwise
inline bool operator!=(const OID &lhs, const OID &rhs);
/// \brief Compare two OIDs for ordering
/// \param lhs the first OID
/// \param rhs the second OID
/// \return true if the first OID is less than the second OID, false otherwise
/// \details operator<() calls std::lexicographical_compare() on the values.
inline bool operator<(const OID &lhs, const OID &rhs);
/// \brief Compare two OIDs for ordering
/// \param lhs the first OID
/// \param rhs the second OID
/// \return true if the first OID is greater than the second OID, false otherwise
/// \details operator>() is implemented in terms of operator==() and operator<().
/// \since Crypto++ 8.3
inline bool operator>(const OID &lhs, const OID &rhs);
/// \brief Compare two OIDs for ordering
/// \param lhs the first OID
/// \param rhs the second OID
/// \return true if the first OID is less than or equal to the second OID, false otherwise
/// \details operator<=() is implemented in terms of operator==() and operator<().
/// \since Crypto++ 8.3
inline bool operator<=(const OID &lhs, const OID &rhs);
/// \brief Compare two OIDs for ordering
/// \param lhs the first OID
/// \param rhs the second OID
/// \return true if the first OID is greater than or equal to the second OID, false otherwise
/// \details operator>=() is implemented in terms of operator<().
/// \since Crypto++ 8.3
inline bool operator>=(const OID &lhs, const OID &rhs);
/// \brief Append a value to an OID
/// \param lhs the OID
/// \param rhs the value to append
inline OID operator+(const OID &lhs, unsigned long rhs);
/// \brief Print a OID value
/// \param out the output stream
/// \param oid the OID
inline std::ostream& operator<<(std::ostream& out, const OID &oid);
#else
inline bool operator==(const ::CryptoPP::OID &lhs, const ::CryptoPP::OID &rhs)
{return lhs.m_values == rhs.m_values;}
inline bool operator!=(const ::CryptoPP::OID &lhs, const ::CryptoPP::OID &rhs)
{return lhs.m_values != rhs.m_values;}
inline bool operator<(const ::CryptoPP::OID &lhs, const ::CryptoPP::OID &rhs)
{return std::lexicographical_compare(lhs.m_values.begin(), lhs.m_values.end(), rhs.m_values.begin(), rhs.m_values.end());}
inline bool operator>(const ::CryptoPP::OID &lhs, const ::CryptoPP::OID &rhs)
{return ! (lhs<rhs || lhs==rhs);}
inline bool operator<=(const ::CryptoPP::OID &lhs, const ::CryptoPP::OID &rhs)
{return lhs<rhs || lhs==rhs;}
inline bool operator>=(const ::CryptoPP::OID &lhs, const ::CryptoPP::OID &rhs)
{return ! (lhs<rhs);}
inline ::CryptoPP::OID operator+(const ::CryptoPP::OID &lhs, unsigned long rhs)
{return ::CryptoPP::OID(lhs)+=rhs;}
inline std::ostream& operator<<(std::ostream& out, const OID &oid)
{ return oid.Print(out); }
#endif
NAMESPACE_END
// Issue 340
#if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE
# pragma GCC diagnostic pop
#endif
#endif

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// authenc.h - originally written and placed in the public domain by Wei Dai
/// \file
/// \brief Classes for authenticated encryption modes of operation
/// \details Authenticated encryption (AE) schemes combine confidentiality and authenticity
/// into a single mode of operation They gained traction in the early 2000's because manually
/// combining them was error prone for the typical developer. Around that time, the desire to
/// authenticate but not ecrypt additional data (AAD) was also identified. When both features
/// are available from a scheme, the system is referred to as an AEAD scheme.
/// \details Crypto++ provides four authenticated encryption modes of operation - CCM, EAX, GCM
/// and OCB mode. All modes derive from AuthenticatedSymmetricCipherBase() and the
/// motivation for the API, like calling AAD a &quot;header&quot;, can be found in Bellare,
/// Rogaway and Wagner's <A HREF="http://web.cs.ucdavis.edu/~rogaway/papers/eax.pdf">The EAX
/// Mode of Operation</A>. The EAX paper suggested a basic API to help standardize AEAD
/// schemes in software and promote adoption of the modes.
/// \sa <A HREF="http://www.cryptopp.com/wiki/Authenticated_Encryption">Authenticated
/// Encryption</A> on the Crypto++ wiki.
/// \since Crypto++ 5.6.0
#ifndef CRYPTOPP_AUTHENC_H
#define CRYPTOPP_AUTHENC_H
#include "cryptlib.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Base class for authenticated encryption modes of operation
/// \details AuthenticatedSymmetricCipherBase() serves as a base implementation for one direction
/// (encryption or decryption) of a stream cipher or block cipher mode with authentication.
/// \details Crypto++ provides four authenticated encryption modes of operation - CCM, EAX, GCM
/// and OCB mode. All modes derive from AuthenticatedSymmetricCipherBase() and the
/// motivation for the API, like calling AAD a &quot;header&quot;, can be found in Bellare,
/// Rogaway and Wagner's <A HREF="http://web.cs.ucdavis.edu/~rogaway/papers/eax.pdf">The EAX
/// Mode of Operation</A>. The EAX paper suggested a basic API to help standardize AEAD
/// schemes in software and promote adoption of the modes.
/// \sa <A HREF="http://www.cryptopp.com/wiki/Authenticated_Encryption">Authenticated
/// Encryption</A> on the Crypto++ wiki.
/// \since Crypto++ 5.6.0
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE AuthenticatedSymmetricCipherBase : public AuthenticatedSymmetricCipher
{
public:
AuthenticatedSymmetricCipherBase() : m_totalHeaderLength(0), m_totalMessageLength(0),
m_totalFooterLength(0), m_bufferedDataLength(0), m_state(State_Start) {}
// StreamTransformation interface
bool IsRandomAccess() const {return false;}
bool IsSelfInverting() const {return true;}
void SetKey(const byte *userKey, size_t keylength, const NameValuePairs &params);
void Restart() {if (m_state > State_KeySet) m_state = State_KeySet;}
void Resynchronize(const byte *iv, int length=-1);
void Update(const byte *input, size_t length);
void ProcessData(byte *outString, const byte *inString, size_t length);
void TruncatedFinal(byte *mac, size_t macSize);
protected:
void UncheckedSetKey(const byte * key, unsigned int length,const CryptoPP::NameValuePairs &params)
{CRYPTOPP_UNUSED(key), CRYPTOPP_UNUSED(length), CRYPTOPP_UNUSED(params); CRYPTOPP_ASSERT(false);}
void AuthenticateData(const byte *data, size_t len);
const SymmetricCipher & GetSymmetricCipher() const
{return const_cast<AuthenticatedSymmetricCipherBase *>(this)->AccessSymmetricCipher();}
virtual SymmetricCipher & AccessSymmetricCipher() =0;
virtual bool AuthenticationIsOnPlaintext() const =0;
virtual unsigned int AuthenticationBlockSize() const =0;
virtual void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs &params) =0;
virtual void Resync(const byte *iv, size_t len) =0;
virtual size_t AuthenticateBlocks(const byte *data, size_t len) =0;
virtual void AuthenticateLastHeaderBlock() =0;
virtual void AuthenticateLastConfidentialBlock() {}
virtual void AuthenticateLastFooterBlock(byte *mac, size_t macSize) =0;
// State_AuthUntransformed: authentication is applied to plain text (Authenticate-then-Encrypt)
// State_AuthTransformed: authentication is applied to cipher text (Encrypt-then-Authenticate)
enum State {State_Start, State_KeySet, State_IVSet, State_AuthUntransformed, State_AuthTransformed, State_AuthFooter};
AlignedSecByteBlock m_buffer;
lword m_totalHeaderLength, m_totalMessageLength, m_totalFooterLength;
unsigned int m_bufferedDataLength;
State m_state;
};
NAMESPACE_END
#endif

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// base32.h - written and placed in the public domain by Frank Palazzolo, based on hex.cpp by Wei Dai
// extended hex alphabet added by JW in November, 2017.
/// \file base32.h
/// \brief Classes for Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder
#ifndef CRYPTOPP_BASE32_H
#define CRYPTOPP_BASE32_H
#include "cryptlib.h"
#include "basecode.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Base32 encodes data using DUDE encoding
/// \details Converts data to base32 using DUDE encoding. The default code is based on <A HREF="http://www.ietf.org/proceedings/51/I-D/draft-ietf-idn-dude-02.txt">Differential Unicode Domain Encoding (DUDE) (draft-ietf-idn-dude-02.txt)</A>.
/// \sa Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder
class Base32Encoder : public SimpleProxyFilter
{
public:
/// \brief Construct a Base32Encoder
/// \param attachment a BufferedTrasformation to attach to this object
/// \param uppercase a flag indicating uppercase output
/// \param groupSize the size of the grouping
/// \param separator the separator to use between groups
/// \param terminator the terminator appeand after processing
/// \details Base32Encoder() constructs a default encoder. The constructor lacks fields for padding and
/// line breaks. You must use IsolatedInitialize() to change the default padding character or suppress it.
/// \sa Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder
Base32Encoder(BufferedTransformation *attachment = NULLPTR, bool uppercase = true, int groupSize = 0, const std::string &separator = ":", const std::string &terminator = "")
: SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment)
{
IsolatedInitialize(MakeParameters(Name::Uppercase(), uppercase)(Name::GroupSize(), groupSize)(Name::Separator(), ConstByteArrayParameter(separator))(Name::Terminator(), ConstByteArrayParameter(terminator)));
}
/// \brief Initialize or reinitialize this object, without signal propagation
/// \param parameters a set of NameValuePairs used to initialize this object
/// \details IsolatedInitialize() is used to initialize or reinitialize an object using a variable
/// number of arbitrarily typed arguments. IsolatedInitialize() does not call Initialize() on attached
/// transformations. If initialization should be propagated, then use the Initialize() function.
/// \details The following code modifies the padding and line break parameters for an encoder:
/// <pre>
/// Base32Encoder encoder;
/// AlgorithmParameters params = MakeParameters(Pad(), false)(InsertLineBreaks(), false);
/// encoder.IsolatedInitialize(params);</pre>
/// \details You can change the encoding to <A HREF="http://tools.ietf.org/html/rfc4648#page-10">RFC 4648, Base
/// 32 Encoding with Extended Hex Alphabet</A> by performing the following:
/// <pre>
/// Base32Encoder encoder;
/// const byte ALPHABET[] = "0123456789ABCDEFGHIJKLMNOPQRSTUV";
/// AlgorithmParameters params = MakeParameters(Name::EncodingLookupArray(),(const byte *)ALPHABET);
/// encoder.IsolatedInitialize(params);</pre>
/// \details If you change the encoding alphabet, then you will need to change the decoding alphabet \a and
/// the decoder's lookup table.
/// \sa Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder
void IsolatedInitialize(const NameValuePairs &parameters);
};
/// \brief Base32 decodes data using DUDE encoding
/// \details Converts data from base32 using DUDE encoding. The default code is based on <A HREF="http://www.ietf.org/proceedings/51/I-D/draft-ietf-idn-dude-02.txt">Differential Unicode Domain Encoding (DUDE) (draft-ietf-idn-dude-02.txt)</A>.
/// \sa Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder
class Base32Decoder : public BaseN_Decoder
{
public:
/// \brief Construct a Base32Decoder
/// \param attachment a BufferedTrasformation to attach to this object
/// \sa IsolatedInitialize() for an example of modifying a Base32Decoder after construction.
Base32Decoder(BufferedTransformation *attachment = NULLPTR)
: BaseN_Decoder(GetDefaultDecodingLookupArray(), 5, attachment) {}
/// \brief Initialize or reinitialize this object, without signal propagation
/// \param parameters a set of NameValuePairs used to initialize this object
/// \details IsolatedInitialize() is used to initialize or reinitialize an object using a variable
/// number of arbitrarily typed arguments. IsolatedInitialize() does not call Initialize() on attached
/// transformations. If initialization should be propagated, then use the Initialize() function.
/// \details You can change the encoding to <A HREF="http://tools.ietf.org/html/rfc4648#page-10">RFC 4648, Base
/// 32 Encoding with Extended Hex Alphabet</A> by performing the following:
/// <pre>
/// int lookup[256];
/// const byte ALPHABET[] = "0123456789ABCDEFGHIJKLMNOPQRSTUV";
/// Base32Decoder::InitializeDecodingLookupArray(lookup, ALPHABET, 32, true /*insensitive*/);
///
/// Base32Decoder decoder;
/// AlgorithmParameters params = MakeParameters(Name::DecodingLookupArray(),(const int *)lookup);
/// decoder.IsolatedInitialize(params);</pre>
/// \sa Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder
void IsolatedInitialize(const NameValuePairs &parameters);
private:
/// \brief Provides the default decoding lookup table
/// \return default decoding lookup table
static const int * CRYPTOPP_API GetDefaultDecodingLookupArray();
};
/// \brief Base32 encodes data using extended hex
/// \details Converts data to base32 using extended hex alphabet. The alphabet is different than Base32Encoder.
/// \sa Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder, <A HREF="http://tools.ietf.org/html/rfc4648#page-10">RFC 4648, Base 32 Encoding with Extended Hex Alphabet</A>.
/// \since Crypto++ 6.0
class Base32HexEncoder : public SimpleProxyFilter
{
public:
/// \brief Construct a Base32HexEncoder
/// \param attachment a BufferedTrasformation to attach to this object
/// \param uppercase a flag indicating uppercase output
/// \param groupSize the size of the grouping
/// \param separator the separator to use between groups
/// \param terminator the terminator appeand after processing
/// \details Base32HexEncoder() constructs a default encoder. The constructor lacks fields for padding and
/// line breaks. You must use IsolatedInitialize() to change the default padding character or suppress it.
/// \sa Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder
Base32HexEncoder(BufferedTransformation *attachment = NULLPTR, bool uppercase = true, int groupSize = 0, const std::string &separator = ":", const std::string &terminator = "")
: SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment)
{
IsolatedInitialize(MakeParameters(Name::Uppercase(), uppercase)(Name::GroupSize(), groupSize)(Name::Separator(), ConstByteArrayParameter(separator))(Name::Terminator(), ConstByteArrayParameter(terminator)));
}
/// \brief Initialize or reinitialize this object, without signal propagation
/// \param parameters a set of NameValuePairs used to initialize this object
/// \details IsolatedInitialize() is used to initialize or reinitialize an object using a variable
/// number of arbitrarily typed arguments. IsolatedInitialize() does not call Initialize() on attached
/// transformations. If initialization should be propagated, then use the Initialize() function.
/// \details The following code modifies the padding and line break parameters for an encoder:
/// <pre>
/// Base32HexEncoder encoder;
/// AlgorithmParameters params = MakeParameters(Pad(), false)(InsertLineBreaks(), false);
/// encoder.IsolatedInitialize(params);</pre>
void IsolatedInitialize(const NameValuePairs &parameters);
};
/// \brief Base32 decodes data using extended hex
/// \details Converts data from base32 using extended hex alphabet. The alphabet is different than Base32Decoder.
/// \sa Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder, <A HREF="http://tools.ietf.org/html/rfc4648#page-10">RFC 4648, Base 32 Encoding with Extended Hex Alphabet</A>.
/// \since Crypto++ 6.0
class Base32HexDecoder : public BaseN_Decoder
{
public:
/// \brief Construct a Base32HexDecoder
/// \param attachment a BufferedTrasformation to attach to this object
/// \sa Base32Encoder, Base32Decoder, Base32HexEncoder and Base32HexDecoder
Base32HexDecoder(BufferedTransformation *attachment = NULLPTR)
: BaseN_Decoder(GetDefaultDecodingLookupArray(), 5, attachment) {}
/// \brief Initialize or reinitialize this object, without signal propagation
/// \param parameters a set of NameValuePairs used to initialize this object
/// \details IsolatedInitialize() is used to initialize or reinitialize an object using a variable
/// number of arbitrarily typed arguments. IsolatedInitialize() does not call Initialize() on attached
/// transformations. If initialization should be propagated, then use the Initialize() function.
void IsolatedInitialize(const NameValuePairs &parameters);
private:
/// \brief Provides the default decoding lookup table
/// \return default decoding lookup table
static const int * CRYPTOPP_API GetDefaultDecodingLookupArray();
};
NAMESPACE_END
#endif

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// base64.h - originally written and placed in the public domain by Wei Dai
/// \file base64.h
/// \brief Classes for the Base64Encoder, Base64Decoder, Base64URLEncoder and Base64URLDecoder
#ifndef CRYPTOPP_BASE64_H
#define CRYPTOPP_BASE64_H
#include "cryptlib.h"
#include "basecode.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Base64 encodes data using DUDE
/// \details Base64 encodes data per <A HREF="http://tools.ietf.org/html/rfc4648#section-4">RFC 4648, Base 64 Encoding</A>.
class Base64Encoder : public SimpleProxyFilter
{
public:
/// \brief Construct a Base64Encoder
/// \param attachment a BufferedTrasformation to attach to this object
/// \param insertLineBreaks a BufferedTrasformation to attach to this object
/// \param maxLineLength the length of a line if line breaks are used
/// \details Base64Encoder constructs a default encoder. The constructor lacks a parameter for padding, and you must
/// use IsolatedInitialize() to modify the Base64Encoder after construction.
/// \sa IsolatedInitialize() for an example of modifying an encoder after construction.
Base64Encoder(BufferedTransformation *attachment = NULLPTR, bool insertLineBreaks = true, int maxLineLength = 72)
: SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment)
{
IsolatedInitialize(MakeParameters(Name::InsertLineBreaks(), insertLineBreaks)(Name::MaxLineLength(), maxLineLength));
}
/// \brief Initialize or reinitialize this object, without signal propagation
/// \param parameters a set of NameValuePairs used to initialize this object
/// \details IsolatedInitialize() is used to initialize or reinitialize an object using a variable
/// number of arbitrarily typed arguments. IsolatedInitialize() does not call Initialize() on attached
/// transformations. If initialization should be propagated, then use the Initialize() function.
/// \details The following code modifies the padding and line break parameters for an encoder:
/// <pre>
/// Base64Encoder encoder;
/// AlgorithmParameters params = MakeParameters(Pad(), false)(InsertLineBreaks(), false);
/// encoder.IsolatedInitialize(params);</pre>
/// \details You can change the encoding to RFC 4648 web safe alphabet by performing the following:
/// <pre>
/// Base64Encoder encoder;
/// const byte ALPHABET[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
/// AlgorithmParameters params = MakeParameters(Name::EncodingLookupArray(),(const byte *)ALPHABET);
/// encoder.IsolatedInitialize(params);</pre>
/// \details If you change the encoding alphabet, then you will need to change the decoding alphabet \a and
/// the decoder's lookup table.
/// \sa Base64URLEncoder for an encoder that provides the web safe alphabet, and Base64Decoder::IsolatedInitialize()
/// for an example of modifying a decoder's lookup table after construction.
void IsolatedInitialize(const NameValuePairs &parameters);
};
/// \brief Base64 decodes data using DUDE
/// \details Base64 encodes data per <A HREF="http://tools.ietf.org/html/rfc4648#section-4">RFC 4648, Base 64 Encoding</A>.
class Base64Decoder : public BaseN_Decoder
{
public:
/// \brief Construct a Base64Decoder
/// \param attachment a BufferedTrasformation to attach to this object
/// \sa IsolatedInitialize() for an example of modifying an encoder after construction.
Base64Decoder(BufferedTransformation *attachment = NULLPTR)
: BaseN_Decoder(GetDecodingLookupArray(), 6, attachment) {}
/// \brief Initialize or reinitialize this object, without signal propagation
/// \param parameters a set of NameValuePairs used to initialize this object
/// \details IsolatedInitialize() is used to initialize or reinitialize an object using a variable
/// number of arbitrarily typed arguments. IsolatedInitialize() does not call Initialize() on attached
/// transformations. If initialization should be propagated, then use the Initialize() function.
/// \details The default decoding alpahbet is RFC 4868. You can change the to RFC 4868 web safe alphabet
/// by performing the following:
/// <pre>
/// int lookup[256];
/// const byte ALPHABET[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
/// Base64Decoder::InitializeDecodingLookupArray(lookup, ALPHABET, 64, false);
///
/// Base64Decoder decoder;
/// AlgorithmParameters params = MakeParameters(Name::DecodingLookupArray(),(const int *)lookup);
/// decoder.IsolatedInitialize(params);</pre>
/// \sa Base64URLDecoder for a decoder that provides the web safe alphabet, and Base64Encoder::IsolatedInitialize()
/// for an example of modifying an encoder's alphabet after construction.
void IsolatedInitialize(const NameValuePairs &parameters);
private:
/// \brief Provides the default decoding lookup table
/// \return default decoding lookup table
static const int * CRYPTOPP_API GetDecodingLookupArray();
};
/// \brief Base64 encodes data using a web safe alphabet
/// \details Base64 encodes data per <A HREF="http://tools.ietf.org/html/rfc4648#section-5">RFC 4648, Base 64 Encoding
/// with URL and Filename Safe Alphabet</A>.
class Base64URLEncoder : public SimpleProxyFilter
{
public:
/// \brief Construct a Base64URLEncoder
/// \param attachment a BufferedTrasformation to attach to this object
/// \param insertLineBreaks a BufferedTrasformation to attach to this object
/// \param maxLineLength the length of a line if line breaks are used
/// \details Base64URLEncoder() constructs a default encoder using a web safe alphabet. The constructor ignores
/// insertLineBreaks and maxLineLength because the web and URL safe specifications don't use them. They are
/// present in the constructor for API compatibility with Base64Encoder so it is a drop-in replacement. The
/// constructor also disables padding on the encoder for the same reason.
/// \details If you need line breaks or padding, then you must use IsolatedInitialize() to set them
/// after constructing a Base64URLEncoder.
/// \sa Base64Encoder for an encoder that provides a classic alphabet, and Base64URLEncoder::IsolatedInitialize
/// for an example of modifying an encoder after construction.
Base64URLEncoder(BufferedTransformation *attachment = NULLPTR, bool insertLineBreaks = false, int maxLineLength = -1)
: SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment)
{
CRYPTOPP_UNUSED(insertLineBreaks), CRYPTOPP_UNUSED(maxLineLength);
IsolatedInitialize(MakeParameters(Name::InsertLineBreaks(), false)(Name::MaxLineLength(), -1)(Name::Pad(),false));
}
/// \details IsolatedInitialize() is used to initialize or reinitialize an object using a variable
/// number of arbitrarily typed arguments. IsolatedInitialize() does not call Initialize() on attached
/// transformations. If initialization should be propagated, then use the Initialize() function.
/// \details The following code modifies the padding and line break parameters for an encoder:
/// <pre>
/// Base64URLEncoder encoder;
/// AlgorithmParameters params = MakeParameters(Name::Pad(), true)(Name::InsertLineBreaks(), true);
/// encoder.IsolatedInitialize(params);</pre>
/// \sa Base64Encoder for an encoder that provides a classic alphabet.
void IsolatedInitialize(const NameValuePairs &parameters);
};
/// \brief Base64 decodes data using a web safe alphabet
/// \details Base64 encodes data per <A HREF="http://tools.ietf.org/html/rfc4648#section-5">RFC 4648, Base 64 Encoding
/// with URL and Filename Safe Alphabet</A>.
class Base64URLDecoder : public BaseN_Decoder
{
public:
/// \brief Construct a Base64URLDecoder
/// \param attachment a BufferedTrasformation to attach to this object
/// \details Base64URLDecoder() constructs a default decoder using a web safe alphabet.
/// \sa Base64Decoder for a decoder that provides a classic alphabet.
Base64URLDecoder(BufferedTransformation *attachment = NULLPTR)
: BaseN_Decoder(GetDecodingLookupArray(), 6, attachment) {}
/// \brief Initialize or reinitialize this object, without signal propagation
/// \param parameters a set of NameValuePairs used to initialize this object
/// \details IsolatedInitialize() is used to initialize or reinitialize an object using a variable
/// number of arbitrarily typed arguments. IsolatedInitialize() does not call Initialize() on
/// attached transformations. If initialization should be propagated, then use the Initialize() function.
/// \sa Base64Decoder for a decoder that provides a classic alphabet, and Base64URLEncoder::IsolatedInitialize
/// for an example of modifying an encoder after construction.
void IsolatedInitialize(const NameValuePairs &parameters);
private:
/// \brief Provides the default decoding lookup table
/// \return default decoding lookup table
static const int * CRYPTOPP_API GetDecodingLookupArray();
};
NAMESPACE_END
#endif

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// basecode.h - originally written and placed in the public domain by Wei Dai
/// \file
/// \brief Base classes for working with encoders and decoders.
#ifndef CRYPTOPP_BASECODE_H
#define CRYPTOPP_BASECODE_H
#include "cryptlib.h"
#include "filters.h"
#include "algparam.h"
#include "argnames.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Encoder for bases that are a power of 2
class CRYPTOPP_DLL BaseN_Encoder : public Unflushable<Filter>
{
public:
/// \brief Construct a BaseN_Encoder
/// \param attachment a BufferedTransformation to attach to this object
BaseN_Encoder(BufferedTransformation *attachment=NULLPTR)
: m_alphabet(NULLPTR), m_padding(0), m_bitsPerChar(0)
, m_outputBlockSize(0), m_bytePos(0), m_bitPos(0)
{Detach(attachment);}
/// \brief Construct a BaseN_Encoder
/// \param alphabet table of ASCII characters to use as the alphabet
/// \param log2base the log<sub>2</sub>base
/// \param attachment a BufferedTransformation to attach to this object
/// \param padding the character to use as padding
/// \pre log2base must be between 1 and 7 inclusive
/// \throw InvalidArgument if log2base is not between 1 and 7
BaseN_Encoder(const byte *alphabet, int log2base, BufferedTransformation *attachment=NULLPTR, int padding=-1)
: m_alphabet(NULLPTR), m_padding(0), m_bitsPerChar(0)
, m_outputBlockSize(0), m_bytePos(0), m_bitPos(0)
{
Detach(attachment);
BaseN_Encoder::IsolatedInitialize(
MakeParameters
(Name::EncodingLookupArray(), alphabet)
(Name::Log2Base(), log2base)
(Name::Pad(), padding != -1)
(Name::PaddingByte(), byte(padding)));
}
void IsolatedInitialize(const NameValuePairs &parameters);
size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking);
private:
const byte *m_alphabet;
int m_padding, m_bitsPerChar, m_outputBlockSize;
int m_bytePos, m_bitPos;
SecByteBlock m_outBuf;
};
/// \brief Decoder for bases that are a power of 2
class CRYPTOPP_DLL BaseN_Decoder : public Unflushable<Filter>
{
public:
/// \brief Construct a BaseN_Decoder
/// \param attachment a BufferedTransformation to attach to this object
/// \details padding is set to -1, which means use default padding. If not
/// required, then the value must be set via IsolatedInitialize().
BaseN_Decoder(BufferedTransformation *attachment=NULLPTR)
: m_lookup(NULLPTR), m_bitsPerChar(0)
, m_outputBlockSize(0), m_bytePos(0), m_bitPos(0)
{Detach(attachment);}
/// \brief Construct a BaseN_Decoder
/// \param lookup table of values
/// \param log2base the log<sub>2</sub>base
/// \param attachment a BufferedTransformation to attach to this object
/// \details log2base is the exponent (like 5 in 2<sup>5</sup>), and not
/// the number of elements (like 32).
/// \details padding is set to -1, which means use default padding. If not
/// required, then the value must be set via IsolatedInitialize().
BaseN_Decoder(const int *lookup, int log2base, BufferedTransformation *attachment=NULLPTR)
: m_lookup(NULLPTR), m_bitsPerChar(0)
, m_outputBlockSize(0), m_bytePos(0), m_bitPos(0)
{
Detach(attachment);
BaseN_Decoder::IsolatedInitialize(
MakeParameters
(Name::DecodingLookupArray(), lookup)
(Name::Log2Base(), log2base));
}
void IsolatedInitialize(const NameValuePairs &parameters);
size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking);
/// \brief Initializes BaseN lookup array
/// \param lookup table of values
/// \param alphabet table of ASCII characters
/// \param base the base for the encoder
/// \param caseInsensitive flag indicating whether the alphabet is case sensitivie
/// \pre COUNTOF(lookup) == 256
/// \pre COUNTOF(alphabet) == base
/// \details Internally, the function sets the first 256 elements in the lookup table to
/// their value from the alphabet array or -1. base is the number of element (like 32),
/// and not an exponent (like 5 in 2<sup>5</sup>)
static void CRYPTOPP_API InitializeDecodingLookupArray(int *lookup, const byte *alphabet, unsigned int base, bool caseInsensitive);
private:
const int *m_lookup;
int m_bitsPerChar, m_outputBlockSize;
int m_bytePos, m_bitPos;
SecByteBlock m_outBuf;
};
/// \brief Filter that breaks input stream into groups of fixed size
class CRYPTOPP_DLL Grouper : public Bufferless<Filter>
{
public:
/// \brief Construct a Grouper
/// \param attachment a BufferedTransformation to attach to this object
Grouper(BufferedTransformation *attachment=NULLPTR)
: m_groupSize(0), m_counter(0) {Detach(attachment);}
/// \brief Construct a Grouper
/// \param groupSize the size of the grouping
/// \param separator the separator to use between groups
/// \param terminator the terminator appeand after processing
/// \param attachment a BufferedTransformation to attach to this object
Grouper(int groupSize, const std::string &separator, const std::string &terminator, BufferedTransformation *attachment=NULLPTR)
: m_groupSize(0), m_counter(0)
{
Detach(attachment);
Grouper::IsolatedInitialize(
MakeParameters
(Name::GroupSize(), groupSize)
(Name::Separator(), ConstByteArrayParameter(separator))
(Name::Terminator(), ConstByteArrayParameter(terminator)));
}
void IsolatedInitialize(const NameValuePairs &parameters);
size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking);
private:
SecByteBlock m_separator, m_terminator;
size_t m_groupSize, m_counter;
};
NAMESPACE_END
#endif

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// bench.h - originally written and placed in the public domain by Wei Dai
// CryptoPP::Test namespace added by JW in February 2017
#ifndef CRYPTOPP_BENCH_H
#define CRYPTOPP_BENCH_H
#include "cryptlib.h"
#include <iostream>
#include <iomanip>
#include <cmath>
#include <ctime>
NAMESPACE_BEGIN(CryptoPP)
NAMESPACE_BEGIN(Test)
// More granular control over benchmarks
enum TestClass {
/// \brief Random number generators
UnkeyedRNG=(1<<0),
/// \brief Message digests
UnkeyedHash=(1<<1),
/// \brief Other unkeyed algorithms
UnkeyedOther=(1<<2),
/// \brief Message authentication codes
SharedKeyMAC=(1<<3),
/// \brief Stream ciphers
SharedKeyStream=(1<<4),
/// \brief Block ciphers ciphers
SharedKeyBlock=(1<<5),
/// \brief Other shared key algorithms
SharedKeyOther=(1<<6),
/// \brief Key agreement algorithms over integers
PublicKeyAgreement=(1<<7),
/// \brief Encryption algorithms over integers
PublicKeyEncryption=(1<<8),
/// \brief Signature algorithms over integers
PublicKeySignature=(1<<9),
/// \brief Other public key algorithms over integers
PublicKeyOther=(1<<10),
/// \brief Key agreement algorithms over EC
PublicKeyAgreementEC=(1<<11),
/// \brief Encryption algorithms over EC
PublicKeyEncryptionEC=(1<<12),
/// \brief Signature algorithms over EC
PublicKeySignatureEC=(1<<13),
/// \brief Other public key algorithms over EC
PublicKeyOtherEC=(1<<14),
Unkeyed=UnkeyedRNG|UnkeyedHash|UnkeyedOther,
SharedKey=SharedKeyMAC|SharedKeyStream|SharedKeyBlock|SharedKeyOther,
PublicKey=PublicKeyAgreement|PublicKeyEncryption|PublicKeySignature|PublicKeyOther,
PublicKeyEC=PublicKeyAgreementEC|PublicKeyEncryptionEC|PublicKeySignatureEC|PublicKeyOtherEC,
All=Unkeyed|SharedKey|PublicKey|PublicKeyEC,
TestFirst=(0), TestLast=(1<<15)
};
extern const double CLOCK_TICKS_PER_SECOND;
extern double g_allocatedTime;
extern double g_hertz;
extern double g_logTotal;
extern unsigned int g_logCount;
extern const byte defaultKey[];
// Test book keeping
extern time_t g_testBegin;
extern time_t g_testEnd;
// Benchmark command handler
void BenchmarkWithCommand(int argc, const char* const argv[]);
// Top level, prints preamble and postamble
void Benchmark(Test::TestClass suites, double t, double hertz);
// Unkeyed systems
void BenchmarkUnkeyedAlgorithms(double t, double hertz);
// Shared key systems
void BenchmarkSharedKeyedAlgorithms(double t, double hertz);
// Public key systems over integers
void BenchmarkPublicKeyAlgorithms(double t, double hertz);
// Public key systems over elliptic curves
void BenchmarkEllipticCurveAlgorithms(double t, double hertz);
// These are defined in bench1.cpp
extern void OutputResultKeying(double iterations, double timeTaken);
extern void OutputResultBytes(const char *name, const char *provider, double length, double timeTaken);
extern void OutputResultOperations(const char *name, const char *provider, const char *operation, bool pc, unsigned long iterations, double timeTaken);
// These are defined in bench1.cpp
extern void BenchMark(const char *name, BufferedTransformation &bt, double timeTotal);
extern void BenchMark(const char *name, StreamTransformation &cipher, double timeTotal);
extern void BenchMark(const char *name, HashTransformation &ht, double timeTotal);
extern void BenchMark(const char *name, RandomNumberGenerator &rng, double timeTotal);
// These are defined in bench2.cpp
extern void BenchMarkKeying(SimpleKeyingInterface &c, size_t keyLength, const NameValuePairs &params);
extern void BenchMark(const char *name, AuthenticatedSymmetricCipher &cipher, double timeTotal);
NAMESPACE_END // Test
NAMESPACE_END // CryptoPP
#endif

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// blake2.h - written and placed in the public domain by Jeffrey Walton
// and Zooko Wilcox-O'Hearn. Based on Aumasson, Neves,
// Wilcox-O'Hearn and Winnerlein's reference BLAKE2
// implementation at http://github.com/BLAKE2/BLAKE2.
/// \file blake2.h
/// \brief Classes for BLAKE2b and BLAKE2s message digests and keyed message digests
/// \details This implementation follows Aumasson, Neves, Wilcox-O'Hearn and Winnerlein's
/// <A HREF="http://blake2.net/blake2.pdf">BLAKE2: simpler, smaller, fast as MD5</A> (2013.01.29).
/// Static algorithm name return either "BLAKE2b" or "BLAKE2s". An object algorithm name follows
/// the naming described in <A HREF="http://tools.ietf.org/html/rfc7693#section-4">RFC 7693, The
/// BLAKE2 Cryptographic Hash and Message Authentication Code (MAC)</A>.
/// \since C++ since Crypto++ 5.6.4, SSE since Crypto++ 5.6.4, NEON since Crypto++ 6.0,
/// Power8 since Crypto++ 8.0
#ifndef CRYPTOPP_BLAKE2_H
#define CRYPTOPP_BLAKE2_H
#include "cryptlib.h"
#include "secblock.h"
#include "seckey.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief BLAKE2s hash information
/// \since Crypto++ 5.6.4
struct BLAKE2s_Info : public VariableKeyLength<32,0,32,1,SimpleKeyingInterface::NOT_RESYNCHRONIZABLE>
{
typedef VariableKeyLength<32,0,32,1,SimpleKeyingInterface::NOT_RESYNCHRONIZABLE> KeyBase;
CRYPTOPP_CONSTANT(MIN_KEYLENGTH = KeyBase::MIN_KEYLENGTH);
CRYPTOPP_CONSTANT(MAX_KEYLENGTH = KeyBase::MAX_KEYLENGTH);
CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH = KeyBase::DEFAULT_KEYLENGTH);
CRYPTOPP_CONSTANT(BLOCKSIZE = 64);
CRYPTOPP_CONSTANT(DIGESTSIZE = 32);
CRYPTOPP_CONSTANT(SALTSIZE = 8);
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = 8);
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "BLAKE2s";}
};
/// \brief BLAKE2b hash information
/// \since Crypto++ 5.6.4
struct BLAKE2b_Info : public VariableKeyLength<64,0,64,1,SimpleKeyingInterface::NOT_RESYNCHRONIZABLE>
{
typedef VariableKeyLength<64,0,64,1,SimpleKeyingInterface::NOT_RESYNCHRONIZABLE> KeyBase;
CRYPTOPP_CONSTANT(MIN_KEYLENGTH = KeyBase::MIN_KEYLENGTH);
CRYPTOPP_CONSTANT(MAX_KEYLENGTH = KeyBase::MAX_KEYLENGTH);
CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH = KeyBase::DEFAULT_KEYLENGTH);
CRYPTOPP_CONSTANT(BLOCKSIZE = 128);
CRYPTOPP_CONSTANT(DIGESTSIZE = 64);
CRYPTOPP_CONSTANT(SALTSIZE = 16);
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = 16);
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "BLAKE2b";}
};
/// \brief BLAKE2s parameter block
struct CRYPTOPP_NO_VTABLE BLAKE2s_ParameterBlock
{
CRYPTOPP_CONSTANT(SALTSIZE = BLAKE2s_Info::SALTSIZE);
CRYPTOPP_CONSTANT(DIGESTSIZE = BLAKE2s_Info::DIGESTSIZE);
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = BLAKE2s_Info::PERSONALIZATIONSIZE);
BLAKE2s_ParameterBlock()
{
Reset();
}
BLAKE2s_ParameterBlock(size_t digestSize)
{
Reset(digestSize);
}
BLAKE2s_ParameterBlock(size_t digestSize, size_t keyLength, const byte* salt, size_t saltLength,
const byte* personalization, size_t personalizationLength);
void Reset(size_t digestLength=DIGESTSIZE, size_t keyLength=0);
byte* data() {
return m_data.data();
}
const byte* data() const {
return m_data.data();
}
size_t size() const {
return m_data.size();
}
byte* salt() {
return m_data + SaltOff;
}
byte* personalization() {
return m_data + PersonalizationOff;
}
// Offsets into the byte array
enum {
DigestOff = 0, KeyOff = 1, FanoutOff = 2, DepthOff = 3, LeafOff = 4, NodeOff = 8,
NodeDepthOff = 14, InnerOff = 15, SaltOff = 16, PersonalizationOff = 24
};
FixedSizeAlignedSecBlock<byte, 32, true> m_data;
};
/// \brief BLAKE2b parameter block
struct CRYPTOPP_NO_VTABLE BLAKE2b_ParameterBlock
{
CRYPTOPP_CONSTANT(SALTSIZE = BLAKE2b_Info::SALTSIZE);
CRYPTOPP_CONSTANT(DIGESTSIZE = BLAKE2b_Info::DIGESTSIZE);
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = BLAKE2b_Info::PERSONALIZATIONSIZE);
BLAKE2b_ParameterBlock()
{
Reset();
}
BLAKE2b_ParameterBlock(size_t digestSize)
{
Reset(digestSize);
}
BLAKE2b_ParameterBlock(size_t digestSize, size_t keyLength, const byte* salt, size_t saltLength,
const byte* personalization, size_t personalizationLength);
void Reset(size_t digestLength=DIGESTSIZE, size_t keyLength=0);
byte* data() {
return m_data.data();
}
const byte* data() const {
return m_data.data();
}
size_t size() const {
return m_data.size();
}
byte* salt() {
return m_data + SaltOff;
}
byte* personalization() {
return m_data + PersonalizationOff;
}
// Offsets into the byte array
enum {
DigestOff = 0, KeyOff = 1, FanoutOff = 2, DepthOff = 3, LeafOff = 4, NodeOff = 8,
NodeDepthOff = 16, InnerOff = 17, RfuOff = 18, SaltOff = 32, PersonalizationOff = 48
};
FixedSizeAlignedSecBlock<byte, 64, true> m_data;
};
/// \brief BLAKE2s state information
/// \since Crypto++ 5.6.4
struct CRYPTOPP_NO_VTABLE BLAKE2s_State
{
BLAKE2s_State() {
Reset();
}
void Reset();
inline word32* h() {
return m_hft.data();
}
inline word32* t() {
return m_hft.data() + 8;
}
inline word32* f() {
return m_hft.data() + 10;
}
inline byte* data() {
return m_buf.data();
}
// SSE4, Power7 and NEON depend upon t[] and f[] being side-by-side
CRYPTOPP_CONSTANT(BLOCKSIZE = BLAKE2s_Info::BLOCKSIZE);
FixedSizeAlignedSecBlock<word32, 8+2+2, true> m_hft;
FixedSizeAlignedSecBlock<byte, BLOCKSIZE, true> m_buf;
size_t m_len;
};
/// \brief BLAKE2b state information
/// \since Crypto++ 5.6.4
struct CRYPTOPP_NO_VTABLE BLAKE2b_State
{
BLAKE2b_State() {
Reset();
}
void Reset();
inline word64* h() {
return m_hft.data();
}
inline word64* t() {
return m_hft.data() + 8;
}
inline word64* f() {
return m_hft.data() + 10;
}
inline byte* data() {
return m_buf.data();
}
// SSE4, Power8 and NEON depend upon t[] and f[] being side-by-side
CRYPTOPP_CONSTANT(BLOCKSIZE = BLAKE2b_Info::BLOCKSIZE);
FixedSizeAlignedSecBlock<word64, 8+2+2, true> m_hft;
FixedSizeAlignedSecBlock<byte, BLOCKSIZE, true> m_buf;
size_t m_len;
};
/// \brief The BLAKE2s cryptographic hash function
/// \details BLAKE2s can function as both a hash and keyed hash. If you want only the hash,
/// then use the BLAKE2s constructor that accepts no parameters or digest size. If you
/// want a keyed hash, then use the constructor that accpts the key as a parameter.
/// Once a key and digest size are selected, its effectively immutable. The Restart()
/// method that accepts a ParameterBlock does not allow you to change it.
/// \sa Aumasson, Neves, Wilcox-O'Hearn and Winnerlein's
/// <A HREF="http://blake2.net/blake2.pdf">BLAKE2: simpler, smaller, fast as MD5</A> (2013.01.29).
/// \since C++ since Crypto++ 5.6.4, SSE since Crypto++ 5.6.4, NEON since Crypto++ 6.0,
/// Power8 since Crypto++ 8.0
class BLAKE2s : public SimpleKeyingInterfaceImpl<MessageAuthenticationCode, BLAKE2s_Info>
{
public:
CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH = BLAKE2s_Info::DEFAULT_KEYLENGTH);
CRYPTOPP_CONSTANT(MIN_KEYLENGTH = BLAKE2s_Info::MIN_KEYLENGTH);
CRYPTOPP_CONSTANT(MAX_KEYLENGTH = BLAKE2s_Info::MAX_KEYLENGTH);
CRYPTOPP_CONSTANT(DIGESTSIZE = BLAKE2s_Info::DIGESTSIZE);
CRYPTOPP_CONSTANT(BLOCKSIZE = BLAKE2s_Info::BLOCKSIZE);
CRYPTOPP_CONSTANT(SALTSIZE = BLAKE2s_Info::SALTSIZE);
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = BLAKE2s_Info::PERSONALIZATIONSIZE);
typedef BLAKE2s_State State;
typedef BLAKE2s_ParameterBlock ParameterBlock;
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "BLAKE2s";}
virtual ~BLAKE2s() {}
/// \brief Construct a BLAKE2s hash
/// \param digestSize the digest size, in bytes
/// \param treeMode flag indicating tree mode
/// \since Crypto++ 5.6.4
BLAKE2s(bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
/// \brief Construct a BLAKE2s hash
/// \param digestSize the digest size, in bytes
/// \details treeMode flag is set to false
/// \since Crypto++ 8.2
BLAKE2s(unsigned int digestSize);
/// \brief Construct a BLAKE2s hash
/// \param key a byte array used to key the cipher
/// \param keyLength the size of the byte array
/// \param salt a byte array used as salt
/// \param saltLength the size of the byte array
/// \param personalization a byte array used as personalization string
/// \param personalizationLength the size of the byte array
/// \param treeMode flag indicating tree mode
/// \param digestSize the digest size, in bytes
/// \since Crypto++ 5.6.4
BLAKE2s(const byte *key, size_t keyLength, const byte* salt = NULLPTR, size_t saltLength = 0,
const byte* personalization = NULLPTR, size_t personalizationLength = 0,
bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
/// \brief Retrieve the object's name
/// \return the object's algorithm name following RFC 7693
/// \details Object algorithm name follows the naming described in
/// <A HREF="http://tools.ietf.org/html/rfc7693#section-4">RFC 7693, The BLAKE2 Cryptographic Hash and
/// Message Authentication Code (MAC)</A>. For example, "BLAKE2b-512" and "BLAKE2s-256".
std::string AlgorithmName() const {return std::string(BLAKE2s_Info::StaticAlgorithmName()) + "-" + IntToString(DigestSize()*8);}
unsigned int BlockSize() const {return BLOCKSIZE;}
unsigned int DigestSize() const {return m_digestSize;}
unsigned int OptimalDataAlignment() const;
void Update(const byte *input, size_t length);
void Restart();
/// \brief Restart a hash with parameter block and counter
/// \param block parameter block
/// \param counter counter array
/// \details Parameter block is persisted across calls to Restart().
void Restart(const BLAKE2s_ParameterBlock& block, const word32 counter[2]);
/// \brief Set tree mode
/// \param mode the new tree mode
/// \details BLAKE2 has two finalization flags, called State::f[0] and State::f[1].
/// If <tt>treeMode=false</tt> (default), then State::f[1] is never set. If
/// <tt>treeMode=true</tt>, then State::f[1] is set when State::f[0] is set.
/// Tree mode is persisted across calls to Restart().
void SetTreeMode(bool mode) {m_treeMode=mode;}
/// \brief Get tree mode
/// \return the current tree mode
/// \details Tree mode is persisted across calls to Restart().
bool GetTreeMode() const {return m_treeMode;}
void TruncatedFinal(byte *hash, size_t size);
std::string AlgorithmProvider() const;
protected:
// Operates on state buffer and/or input. Must be BLOCKSIZE, final block will pad with 0's.
void Compress(const byte *input);
inline void IncrementCounter(size_t count=BLOCKSIZE);
void UncheckedSetKey(const byte* key, unsigned int length, const CryptoPP::NameValuePairs& params);
private:
State m_state;
ParameterBlock m_block;
AlignedSecByteBlock m_key;
word32 m_digestSize, m_keyLength;
bool m_treeMode;
};
/// \brief The BLAKE2b cryptographic hash function
/// \details BLAKE2b can function as both a hash and keyed hash. If you want only the hash,
/// then use the BLAKE2b constructor that accepts no parameters or digest size. If you
/// want a keyed hash, then use the constructor that accpts the key as a parameter.
/// Once a key and digest size are selected, its effectively immutable. The Restart()
/// method that accepts a ParameterBlock does not allow you to change it.
/// \sa Aumasson, Neves, Wilcox-O'Hearn and Winnerlein's
/// <A HREF="http://blake2.net/blake2.pdf">BLAKE2: simpler, smaller, fast as MD5</A> (2013.01.29).
/// \since C++ since Crypto++ 5.6.4, SSE since Crypto++ 5.6.4, NEON since Crypto++ 6.0,
/// Power8 since Crypto++ 8.0
class BLAKE2b : public SimpleKeyingInterfaceImpl<MessageAuthenticationCode, BLAKE2b_Info>
{
public:
CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH = BLAKE2b_Info::DEFAULT_KEYLENGTH);
CRYPTOPP_CONSTANT(MIN_KEYLENGTH = BLAKE2b_Info::MIN_KEYLENGTH);
CRYPTOPP_CONSTANT(MAX_KEYLENGTH = BLAKE2b_Info::MAX_KEYLENGTH);
CRYPTOPP_CONSTANT(DIGESTSIZE = BLAKE2b_Info::DIGESTSIZE);
CRYPTOPP_CONSTANT(BLOCKSIZE = BLAKE2b_Info::BLOCKSIZE);
CRYPTOPP_CONSTANT(SALTSIZE = BLAKE2b_Info::SALTSIZE);
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = BLAKE2b_Info::PERSONALIZATIONSIZE);
typedef BLAKE2b_State State;
typedef BLAKE2b_ParameterBlock ParameterBlock;
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "BLAKE2b";}
virtual ~BLAKE2b() {}
/// \brief Construct a BLAKE2b hash
/// \param digestSize the digest size, in bytes
/// \param treeMode flag indicating tree mode
/// \since Crypto++ 5.6.4
BLAKE2b(bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
/// \brief Construct a BLAKE2s hash
/// \param digestSize the digest size, in bytes
/// \details treeMode flag is set to false
/// \since Crypto++ 8.2
BLAKE2b(unsigned int digestSize);
/// \brief Construct a BLAKE2b hash
/// \param key a byte array used to key the cipher
/// \param keyLength the size of the byte array
/// \param salt a byte array used as salt
/// \param saltLength the size of the byte array
/// \param personalization a byte array used as personalization string
/// \param personalizationLength the size of the byte array
/// \param treeMode flag indicating tree mode
/// \param digestSize the digest size, in bytes
/// \since Crypto++ 5.6.4
BLAKE2b(const byte *key, size_t keyLength, const byte* salt = NULLPTR, size_t saltLength = 0,
const byte* personalization = NULLPTR, size_t personalizationLength = 0,
bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
/// \brief Retrieve the object's name
/// \return the object's algorithm name following RFC 7693
/// \details Object algorithm name follows the naming described in
/// <A HREF="http://tools.ietf.org/html/rfc7693#section-4">RFC 7693, The BLAKE2 Cryptographic Hash and
/// Message Authentication Code (MAC)</A>. For example, "BLAKE2b-512" and "BLAKE2s-256".
std::string AlgorithmName() const {return std::string(BLAKE2b_Info::StaticAlgorithmName()) + "-" + IntToString(DigestSize()*8);}
unsigned int BlockSize() const {return BLOCKSIZE;}
unsigned int DigestSize() const {return m_digestSize;}
unsigned int OptimalDataAlignment() const;
void Update(const byte *input, size_t length);
void Restart();
/// \brief Restart a hash with parameter block and counter
/// \param block parameter block
/// \param counter counter array
/// \details Parameter block is persisted across calls to Restart().
void Restart(const BLAKE2b_ParameterBlock& block, const word64 counter[2]);
/// \brief Set tree mode
/// \param mode the new tree mode
/// \details BLAKE2 has two finalization flags, called State::f[0] and State::f[1].
/// If <tt>treeMode=false</tt> (default), then State::f[1] is never set. If
/// <tt>treeMode=true</tt>, then State::f[1] is set when State::f[0] is set.
/// Tree mode is persisted across calls to Restart().
void SetTreeMode(bool mode) {m_treeMode=mode;}
/// \brief Get tree mode
/// \return the current tree mode
/// \details Tree mode is persisted across calls to Restart().
bool GetTreeMode() const {return m_treeMode;}
void TruncatedFinal(byte *hash, size_t size);
std::string AlgorithmProvider() const;
protected:
// Operates on state buffer and/or input. Must be BLOCKSIZE, final block will pad with 0's.
void Compress(const byte *input);
inline void IncrementCounter(size_t count=BLOCKSIZE);
void UncheckedSetKey(const byte* key, unsigned int length, const CryptoPP::NameValuePairs& params);
private:
State m_state;
ParameterBlock m_block;
AlignedSecByteBlock m_key;
word32 m_digestSize, m_keyLength;
bool m_treeMode;
};
NAMESPACE_END
#endif

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// blowfish.h - originally written and placed in the public domain by Wei Dai
/// \file blowfish.h
/// \brief Classes for the Blowfish block cipher
#ifndef CRYPTOPP_BLOWFISH_H
#define CRYPTOPP_BLOWFISH_H
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Blowfish block cipher information
struct Blowfish_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 4, 56>, public FixedRounds<16>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "Blowfish";}
};
// <a href="http://www.cryptopp.com/wiki/Blowfish">Blowfish</a>
/// \brief Blowfish block cipher
/// \since Crypto++ 1.0
class Blowfish : public Blowfish_Info, public BlockCipherDocumentation
{
/// \brief Class specific implementation and overrides used to operate the cipher.
/// \details Implementations and overrides in \p Base apply to both \p ENCRYPTION and \p DECRYPTION directions
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Blowfish_Info>
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
void UncheckedSetKey(const byte *key_string, unsigned int keylength, const NameValuePairs &params);
private:
void crypt_block(const word32 in[2], word32 out[2]) const;
static const word32 p_init[ROUNDS+2];
static const word32 s_init[4*256];
FixedSizeSecBlock<word32, ROUNDS+2> pbox;
FixedSizeSecBlock<word32, 4*256> sbox;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
typedef Blowfish::Encryption BlowfishEncryption;
typedef Blowfish::Decryption BlowfishDecryption;
NAMESPACE_END
#endif

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// blumshub.h - originally written and placed in the public domain by Wei Dai
/// \file blumshub.h
/// \brief Classes for Blum Blum Shub generator
#ifndef CRYPTOPP_BLUMSHUB_H
#define CRYPTOPP_BLUMSHUB_H
#include "cryptlib.h"
#include "modarith.h"
#include "integer.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief BlumBlumShub without factorization of the modulus
/// \details You should reseed the generator after a fork() to avoid multiple generators
/// with the same internal state.
class PublicBlumBlumShub : public RandomNumberGenerator,
public StreamTransformation
{
public:
virtual ~PublicBlumBlumShub() {}
/// \brief Construct a PublicBlumBlumShub
/// \param n the modulus
/// \param seed the seed for the generator
/// \details seed is the secret key and should be about as large as n.
PublicBlumBlumShub(const Integer &n, const Integer &seed);
unsigned int GenerateBit();
byte GenerateByte();
void GenerateBlock(byte *output, size_t size);
void ProcessData(byte *outString, const byte *inString, size_t length);
bool IsSelfInverting() const {return true;}
bool IsForwardTransformation() const {return true;}
protected:
ModularArithmetic modn;
Integer current;
word maxBits, bitsLeft;
};
/// \brief BlumBlumShub with factorization of the modulus
/// \details You should reseed the generator after a fork() to avoid multiple generators
/// with the same internal state.
class BlumBlumShub : public PublicBlumBlumShub
{
public:
virtual ~BlumBlumShub() {}
/// \brief Construct a BlumBlumShub
/// \param p the first prime factor
/// \param q the second prime factor
/// \param seed the seed for the generator
/// \details Esure p and q are both primes congruent to 3 mod 4 and at least 512 bits long.
/// seed is the secret key and should be about as large as p*q.
BlumBlumShub(const Integer &p, const Integer &q, const Integer &seed);
bool IsRandomAccess() const {return true;}
void Seek(lword index);
protected:
const Integer p, q;
const Integer x0;
};
NAMESPACE_END
#endif

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// camellia.h - originally written and placed in the public domain by Wei Dai
/// \file camellia.h
/// \brief Classes for the Camellia block cipher
#ifndef CRYPTOPP_CAMELLIA_H
#define CRYPTOPP_CAMELLIA_H
#include "config.h"
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Camellia block cipher information
struct Camellia_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "Camellia";}
};
/// \brief Camellia block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/Camellia">Camellia</a>
class Camellia : public Camellia_Info, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Camellia_Info>
{
public:
void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
protected:
CRYPTOPP_ALIGN_DATA(4) static const byte s1[256];
static const word32 SP[4][256];
unsigned int m_rounds;
SecBlock<word32> m_key;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
typedef Camellia::Encryption CamelliaEncryption;
typedef Camellia::Decryption CamelliaDecryption;
NAMESPACE_END
#endif

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// cast.h - originally written and placed in the public domain by Wei Dai
/// \file cast.h
/// \brief Classes for the CAST-128 and CAST-256 block ciphers
/// \since Crypto++ 2.2
#ifndef CRYPTOPP_CAST_H
#define CRYPTOPP_CAST_H
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief CAST block cipher base
/// \since Crypto++ 2.2
class CAST
{
protected:
static const word32 S[8][256];
};
/// \brief CAST128 block cipher information
/// \since Crypto++ 2.2
struct CAST128_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 5, 16>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "CAST-128";}
};
/// \brief CAST128 block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/CAST-128">CAST-128</a>
/// \since Crypto++ 2.2
class CAST128 : public CAST128_Info, public BlockCipherDocumentation
{
/// \brief CAST128 block cipher default operation
class CRYPTOPP_NO_VTABLE Base : public CAST, public BlockCipherImpl<CAST128_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
protected:
bool reduced;
FixedSizeSecBlock<word32, 32> K;
mutable FixedSizeSecBlock<word32, 3> m_t;
};
/// \brief CAST128 block cipher encryption operation
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
/// \brief CAST128 block cipher decryption operation
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
/// \brief CAST256 block cipher information
/// \since Crypto++ 4.0
struct CAST256_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 4>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "CAST-256";}
};
/// \brief CAST256 block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/CAST-256">CAST-256</a>
/// \since Crypto++ 4.0
class CAST256 : public CAST256_Info, public BlockCipherDocumentation
{
/// \brief CAST256 block cipher default operation
class CRYPTOPP_NO_VTABLE Base : public CAST, public BlockCipherImpl<CAST256_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
protected:
static const word32 t_m[8][24];
static const unsigned int t_r[8][24];
static void Omega(int i, word32 kappa[8]);
FixedSizeSecBlock<word32, 8*12> K;
mutable FixedSizeSecBlock<word32, 8> kappa;
mutable FixedSizeSecBlock<word32, 3> m_t;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
typedef CAST128::Encryption CAST128Encryption;
typedef CAST128::Decryption CAST128Decryption;
typedef CAST256::Encryption CAST256Encryption;
typedef CAST256::Decryption CAST256Decryption;
NAMESPACE_END
#endif

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// cbcmac.h - originally written and placed in the public domain by Wei Dai
/// \file
/// \brief Classes for CBC MAC
/// \since Crypto++ 3.1
#ifndef CRYPTOPP_CBCMAC_H
#define CRYPTOPP_CBCMAC_H
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief CBC-MAC base class
/// \since Crypto++ 3.1
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_MAC_Base : public MessageAuthenticationCode
{
public:
CBC_MAC_Base() : m_counter(0) {}
void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params);
void Update(const byte *input, size_t length);
void TruncatedFinal(byte *mac, size_t size);
unsigned int DigestSize() const {return const_cast<CBC_MAC_Base*>(this)->AccessCipher().BlockSize();}
protected:
virtual BlockCipher & AccessCipher() =0;
private:
void ProcessBuf();
SecByteBlock m_reg;
unsigned int m_counter;
};
/// \brief CBC-MAC
/// \tparam T BlockCipherDocumentation derived class
/// \details CBC-MAC is compatible with FIPS 113. The MAC is secure only for fixed
/// length messages. For variable length messages use CMAC or DMAC.
/// \sa <a href="http://www.weidai.com/scan-mirror/mac.html#CBC-MAC">CBC-MAC</a>
/// \since Crypto++ 3.1
template <class T>
class CBC_MAC : public MessageAuthenticationCodeImpl<CBC_MAC_Base, CBC_MAC<T> >, public SameKeyLengthAs<T>
{
public:
/// \brief Construct a CBC_MAC
CBC_MAC() {}
/// \brief Construct a CBC_MAC
/// \param key a byte buffer used to key the cipher
/// \param length the length of the byte buffer
CBC_MAC(const byte *key, size_t length=SameKeyLengthAs<T>::DEFAULT_KEYLENGTH)
{this->SetKey(key, length);}
static std::string StaticAlgorithmName() {return std::string("CBC-MAC(") + T::StaticAlgorithmName() + ")";}
private:
BlockCipher & AccessCipher() {return m_cipher;}
typename T::Encryption m_cipher;
};
NAMESPACE_END
#endif

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// ccm.h - originally written and placed in the public domain by Wei Dai
/// \file ccm.h
/// \brief CCM block cipher mode of operation
/// \since Crypto++ 5.6.0
#ifndef CRYPTOPP_CCM_H
#define CRYPTOPP_CCM_H
#include "authenc.h"
#include "modes.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief CCM block cipher base implementation
/// \details Base implementation of the AuthenticatedSymmetricCipher interface
/// \since Crypto++ 5.6.0
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CCM_Base : public AuthenticatedSymmetricCipherBase
{
public:
CCM_Base()
: m_digestSize(0), m_L(0), m_messageLength(0), m_aadLength(0) {}
// AuthenticatedSymmetricCipher
std::string AlgorithmName() const
{return GetBlockCipher().AlgorithmName() + std::string("/CCM");}
std::string AlgorithmProvider() const
{return GetBlockCipher().AlgorithmProvider();}
size_t MinKeyLength() const
{return GetBlockCipher().MinKeyLength();}
size_t MaxKeyLength() const
{return GetBlockCipher().MaxKeyLength();}
size_t DefaultKeyLength() const
{return GetBlockCipher().DefaultKeyLength();}
size_t GetValidKeyLength(size_t keylength) const
{return GetBlockCipher().GetValidKeyLength(keylength);}
bool IsValidKeyLength(size_t keylength) const
{return GetBlockCipher().IsValidKeyLength(keylength);}
unsigned int OptimalDataAlignment() const
{return GetBlockCipher().OptimalDataAlignment();}
IV_Requirement IVRequirement() const
{return UNIQUE_IV;}
unsigned int IVSize() const
{return 8;}
unsigned int MinIVLength() const
{return 7;}
unsigned int MaxIVLength() const
{return 13;}
unsigned int DigestSize() const
{return m_digestSize;}
lword MaxHeaderLength() const
{return W64LIT(0)-1;}
lword MaxMessageLength() const
{return m_L<8 ? (W64LIT(1)<<(8*m_L))-1 : W64LIT(0)-1;}
bool NeedsPrespecifiedDataLengths() const
{return true;}
void UncheckedSpecifyDataLengths(lword headerLength, lword messageLength, lword footerLength);
protected:
// AuthenticatedSymmetricCipherBase
bool AuthenticationIsOnPlaintext() const
{return true;}
unsigned int AuthenticationBlockSize() const
{return GetBlockCipher().BlockSize();}
void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs &params);
void Resync(const byte *iv, size_t len);
size_t AuthenticateBlocks(const byte *data, size_t len);
void AuthenticateLastHeaderBlock();
void AuthenticateLastConfidentialBlock();
void AuthenticateLastFooterBlock(byte *mac, size_t macSize);
SymmetricCipher & AccessSymmetricCipher() {return m_ctr;}
virtual BlockCipher & AccessBlockCipher() =0;
virtual int DefaultDigestSize() const =0;
const BlockCipher & GetBlockCipher() const {return const_cast<CCM_Base *>(this)->AccessBlockCipher();}
byte *CBC_Buffer() {return m_buffer+REQUIRED_BLOCKSIZE;}
enum {REQUIRED_BLOCKSIZE = 16};
int m_digestSize, m_L;
word64 m_messageLength, m_aadLength;
CTR_Mode_ExternalCipher::Encryption m_ctr;
};
/// \brief CCM block cipher final implementation
/// \tparam T_BlockCipher block cipher
/// \tparam T_DefaultDigestSize default digest size, in bytes
/// \tparam T_IsEncryption direction in which to operate the cipher
/// \since Crypto++ 5.6.0
template <class T_BlockCipher, int T_DefaultDigestSize, bool T_IsEncryption>
class CCM_Final : public CCM_Base
{
public:
static std::string StaticAlgorithmName()
{return T_BlockCipher::StaticAlgorithmName() + std::string("/CCM");}
bool IsForwardTransformation() const
{return T_IsEncryption;}
private:
BlockCipher & AccessBlockCipher() {return m_cipher;}
int DefaultDigestSize() const {return T_DefaultDigestSize;}
typename T_BlockCipher::Encryption m_cipher;
};
/// \brief CCM block cipher mode of operation
/// \tparam T_BlockCipher block cipher
/// \tparam T_DefaultDigestSize default digest size, in bytes
/// \details \p CCM provides the \p Encryption and \p Decryption typedef. See GCM_Base
/// and GCM_Final for the AuthenticatedSymmetricCipher implementation.
/// \sa <a href="http://www.cryptopp.com/wiki/CCM_Mode">CCM Mode</a> and
/// <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
/// \since Crypto++ 5.6.0
template <class T_BlockCipher, int T_DefaultDigestSize = 16>
struct CCM : public AuthenticatedSymmetricCipherDocumentation
{
typedef CCM_Final<T_BlockCipher, T_DefaultDigestSize, true> Encryption;
typedef CCM_Final<T_BlockCipher, T_DefaultDigestSize, false> Decryption;
};
NAMESPACE_END
#endif

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// chacha.h - written and placed in the public domain by Jeffrey Walton.
// Based on Wei Dai's Salsa20, Botan's SSE2 implementation,
// and Bernstein's reference ChaCha family implementation at
// http://cr.yp.to/chacha.html.
// The library added Bernstein's ChaCha classes at Crypto++ 5.6.4. The IETF
// uses a slightly different implementation than Bernstein, and the IETF
// ChaCha and XChaCha classes were added at Crypto++ 8.1. We wanted to maintain
// ABI compatibility at the 8.1 release so the original ChaCha classes were not
// disturbed. Instead new classes were added for IETF ChaCha. The back-end
// implementation shares code as expected, however.
/// \file chacha.h
/// \brief Classes for ChaCha8, ChaCha12 and ChaCha20 stream ciphers
/// \details Crypto++ provides Bernstein and ECRYPT's ChaCha from <a
/// href="http://cr.yp.to/chacha/chacha-20080128.pdf">ChaCha, a
/// variant of Salsa20</a> (2008.01.28). Crypto++ also provides the
/// IETF implementation of ChaCha using the ChaChaTLS name. Bernstein's
/// implementation is _slightly_ different from the TLS working group's
/// implementation for cipher suites
/// <tt>TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256</tt>,
/// <tt>TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256</tt>,
/// and <tt>TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256</tt>. Finally,
/// the library provides <a
/// href="https://tools.ietf.org/html/draft-arciszewski-xchacha">XChaCha:
/// eXtended-nonce ChaCha and AEAD_XChaCha20_Poly1305 (rev. 03)</a>.
/// \since ChaCha since Crypto++ 5.6.4, ChaChaTLS and XChaCha20 since Crypto++ 8.1
#ifndef CRYPTOPP_CHACHA_H
#define CRYPTOPP_CHACHA_H
#include "strciphr.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
////////////////////////////// Bernstein ChaCha //////////////////////////////
/// \brief ChaCha stream cipher information
/// \since Crypto++ 5.6.4
struct ChaCha_Info : public VariableKeyLength<32, 16, 32, 16, SimpleKeyingInterface::UNIQUE_IV, 8>
{
/// \brief The algorithm name
/// \return the algorithm name
/// \details StaticAlgorithmName returns the algorithm's name as a static
/// member function.
/// \details Bernstein named the cipher variants ChaCha8, ChaCha12 and
/// ChaCha20. More generally, Bernstein called the family ChaCha{r}.
/// AlgorithmName() provides the exact name once rounds are set.
static const char* StaticAlgorithmName() {
return "ChaCha";
}
};
/// \brief ChaCha stream cipher implementation
/// \since Crypto++ 5.6.4
class CRYPTOPP_NO_VTABLE ChaCha_Policy : public AdditiveCipherConcretePolicy<word32, 16>
{
public:
virtual ~ChaCha_Policy() {}
ChaCha_Policy() : m_rounds(ROUNDS) {}
protected:
void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
void CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length);
bool CipherIsRandomAccess() const {return true;}
void SeekToIteration(lword iterationCount);
unsigned int GetAlignment() const;
unsigned int GetOptimalBlockSize() const;
std::string AlgorithmName() const;
std::string AlgorithmProvider() const;
CRYPTOPP_CONSTANT(ROUNDS = 20); // Default rounds
FixedSizeAlignedSecBlock<word32, 16> m_state;
unsigned int m_rounds;
};
/// \brief ChaCha stream cipher
/// \details This is Bernstein and ECRYPT's ChaCha. It is _slightly_ different
/// from the IETF's version of ChaCha called ChaChaTLS.
/// \sa <a href="http://cr.yp.to/chacha/chacha-20080208.pdf">ChaCha, a variant
/// of Salsa20</a> (2008.01.28).
/// \since Crypto++ 5.6.4
struct ChaCha : public ChaCha_Info, public SymmetricCipherDocumentation
{
/// \brief ChaCha Encryption
typedef SymmetricCipherFinal<ConcretePolicyHolder<ChaCha_Policy, AdditiveCipherTemplate<> >, ChaCha_Info > Encryption;
/// \brief ChaCha Decryption
typedef Encryption Decryption;
};
////////////////////////////// IETF ChaChaTLS //////////////////////////////
/// \brief IETF ChaCha20 stream cipher information
/// \since Crypto++ 8.1
struct ChaChaTLS_Info : public FixedKeyLength<32, SimpleKeyingInterface::UNIQUE_IV, 12>, FixedRounds<20>
{
/// \brief The algorithm name
/// \return the algorithm name
/// \details StaticAlgorithmName returns the algorithm's name as a static
/// member function.
/// \details This is the IETF's variant of Bernstein's ChaCha from RFC
/// 8439. IETF ChaCha is called ChaChaTLS in the Crypto++ library. It
/// is _slightly_ different from Bernstein's implementation.
static const char* StaticAlgorithmName() {
return "ChaChaTLS";
}
};
/// \brief IETF ChaCha20 stream cipher implementation
/// \since Crypto++ 8.1
class CRYPTOPP_NO_VTABLE ChaChaTLS_Policy : public AdditiveCipherConcretePolicy<word32, 16>
{
public:
virtual ~ChaChaTLS_Policy() {}
ChaChaTLS_Policy() : m_counter(0) {}
protected:
void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
void CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length);
bool CipherIsRandomAccess() const {return true;}
void SeekToIteration(lword iterationCount);
unsigned int GetAlignment() const;
unsigned int GetOptimalBlockSize() const;
std::string AlgorithmName() const;
std::string AlgorithmProvider() const;
FixedSizeAlignedSecBlock<word32, 16+8> m_state;
unsigned int m_counter;
CRYPTOPP_CONSTANT(ROUNDS = ChaChaTLS_Info::ROUNDS);
CRYPTOPP_CONSTANT(KEY = 16); // Index into m_state
CRYPTOPP_CONSTANT(CTR = 24); // Index into m_state
};
/// \brief IETF ChaCha20 stream cipher
/// \details This is the IETF's variant of Bernstein's ChaCha from RFC 8439.
/// IETF ChaCha is called ChaChaTLS in the Crypto++ library. It is
/// _slightly_ different from the Bernstein implementation. ChaCha-TLS
/// can be used for cipher suites
/// <tt>TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256</tt>,
/// <tt>TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256</tt>, and
/// <tt>TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256</tt>.
/// \sa <a href="https://tools.ietf.org/html/rfc8439">RFC 8439, ChaCha20 and
/// Poly1305 for IETF Protocols</a>, <A
/// HREF="https://mailarchive.ietf.org/arch/msg/cfrg/gsOnTJzcbgG6OqD8Sc0GO5aR_tU">How
/// to handle block counter wrap in IETF's ChaCha algorithm?</A> and
/// <A HREF="https://github.com/weidai11/cryptopp/issues/790">Issue
/// 790, ChaChaTLS results when counter block wraps</A>.
/// \since Crypto++ 8.1
struct ChaChaTLS : public ChaChaTLS_Info, public SymmetricCipherDocumentation
{
/// \brief ChaCha-TLS Encryption
typedef SymmetricCipherFinal<ConcretePolicyHolder<ChaChaTLS_Policy, AdditiveCipherTemplate<> >, ChaChaTLS_Info > Encryption;
/// \brief ChaCha-TLS Decryption
typedef Encryption Decryption;
};
////////////////////////////// IETF XChaCha20 draft //////////////////////////////
/// \brief IETF XChaCha20 stream cipher information
/// \since Crypto++ 8.1
struct XChaCha20_Info : public FixedKeyLength<32, SimpleKeyingInterface::UNIQUE_IV, 24>
{
/// \brief The algorithm name
/// \return the algorithm name
/// \details StaticAlgorithmName returns the algorithm's name as a static
/// member function.
/// \details This is the IETF's XChaCha from draft-arciszewski-xchacha.
static const char* StaticAlgorithmName() {
return "XChaCha20";
}
};
/// \brief IETF XChaCha20 stream cipher implementation
/// \since Crypto++ 8.1
class CRYPTOPP_NO_VTABLE XChaCha20_Policy : public AdditiveCipherConcretePolicy<word32, 16>
{
public:
virtual ~XChaCha20_Policy() {}
XChaCha20_Policy() : m_counter(0), m_rounds(ROUNDS) {}
protected:
void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
void CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length);
bool CipherIsRandomAccess() const {return false;}
void SeekToIteration(lword iterationCount);
unsigned int GetAlignment() const;
unsigned int GetOptimalBlockSize() const;
std::string AlgorithmName() const;
std::string AlgorithmProvider() const;
FixedSizeAlignedSecBlock<word32, 16+8> m_state;
unsigned int m_counter, m_rounds;
CRYPTOPP_CONSTANT(ROUNDS = 20); // Default rounds
CRYPTOPP_CONSTANT(KEY = 16); // Index into m_state
};
/// \brief IETF XChaCha20 stream cipher
/// \details This is the IETF's XChaCha from draft-arciszewski-xchacha.
/// \sa <a href="https://tools.ietf.org/html/draft-arciszewski-xchacha">XChaCha:
/// eXtended-nonce ChaCha and AEAD_XChaCha20_Poly1305 (rev. 03)</a>, <A
/// HREF="https://mailarchive.ietf.org/arch/msg/cfrg/gsOnTJzcbgG6OqD8Sc0GO5aR_tU">How
/// to handle block counter wrap in IETF's ChaCha algorithm?</A> and
/// <A HREF="https://github.com/weidai11/cryptopp/issues/790">Issue
/// 790, ChaCha20 results when counter block wraps</A>.
/// \since Crypto++ 8.1
struct XChaCha20 : public XChaCha20_Info, public SymmetricCipherDocumentation
{
/// \brief XChaCha Encryption
typedef SymmetricCipherFinal<ConcretePolicyHolder<XChaCha20_Policy, AdditiveCipherTemplate<> >, XChaCha20_Info > Encryption;
/// \brief XChaCha Decryption
typedef Encryption Decryption;
};
NAMESPACE_END
#endif // CRYPTOPP_CHACHA_H

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// chachapoly.h - written and placed in the public domain by Jeffrey Walton
// RFC 8439, Section 2.8, AEAD Construction, http://tools.ietf.org/html/rfc8439
/// \file chachapoly.h
/// \brief IETF ChaCha20/Poly1305 AEAD scheme
/// \details ChaCha20Poly1305 is an authenticated encryption scheme that combines
/// ChaCha20TLS and Poly1305TLS. The scheme is defined in RFC 8439, section 2.8,
/// AEAD_CHACHA20_POLY1305 construction, and uses the IETF versions of ChaCha20
/// and Poly1305.
/// \sa <A HREF="http://tools.ietf.org/html/rfc8439">RFC 8439, ChaCha20 and Poly1305
/// for IETF Protocols</A>.
/// \since Crypto++ 8.1
#ifndef CRYPTOPP_CHACHA_POLY1305_H
#define CRYPTOPP_CHACHA_POLY1305_H
#include "cryptlib.h"
#include "authenc.h"
#include "chacha.h"
#include "poly1305.h"
NAMESPACE_BEGIN(CryptoPP)
////////////////////////////// IETF ChaChaTLS //////////////////////////////
/// \brief IETF ChaCha20Poly1305 cipher base implementation
/// \details Base implementation of the AuthenticatedSymmetricCipher interface
/// \since Crypto++ 8.1
class ChaCha20Poly1305_Base : public AuthenticatedSymmetricCipherBase
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName()
{return "ChaCha20/Poly1305";}
virtual ~ChaCha20Poly1305_Base() {}
// AuthenticatedSymmetricCipher
std::string AlgorithmName() const
{return std::string("ChaCha20/Poly1305");}
std::string AlgorithmProvider() const
{return GetSymmetricCipher().AlgorithmProvider();}
size_t MinKeyLength() const
{return 32;}
size_t MaxKeyLength() const
{return 32;}
size_t DefaultKeyLength() const
{return 32;}
size_t GetValidKeyLength(size_t n) const
{CRYPTOPP_UNUSED(n); return 32;}
bool IsValidKeyLength(size_t n) const
{return n==32;}
unsigned int OptimalDataAlignment() const
{return GetSymmetricCipher().OptimalDataAlignment();}
IV_Requirement IVRequirement() const
{return UNIQUE_IV;}
unsigned int IVSize() const
{return 12;}
unsigned int MinIVLength() const
{return 12;}
unsigned int MaxIVLength() const
{return 12;}
unsigned int DigestSize() const
{return 16;}
lword MaxHeaderLength() const
{return LWORD_MAX;} // 2^64-1 bytes
lword MaxMessageLength() const
{return W64LIT(274877906880);} // 2^38-1 blocks
lword MaxFooterLength() const
{return 0;}
/// \brief Encrypts and calculates a MAC in one call
/// \param ciphertext the encryption buffer
/// \param mac the mac buffer
/// \param macSize the size of the MAC buffer, in bytes
/// \param iv the iv buffer
/// \param ivLength the size of the IV buffer, in bytes
/// \param aad the AAD buffer
/// \param aadLength the size of the AAD buffer, in bytes
/// \param message the message buffer
/// \param messageLength the size of the messagetext buffer, in bytes
/// \details EncryptAndAuthenticate() encrypts and generates the MAC in one call. The function
/// truncates the MAC if <tt>macSize < TagSize()</tt>.
virtual void EncryptAndAuthenticate(byte *ciphertext, byte *mac, size_t macSize, const byte *iv, int ivLength, const byte *aad, size_t aadLength, const byte *message, size_t messageLength);
/// \brief Decrypts and verifies a MAC in one call
/// \param message the decryption buffer
/// \param mac the mac buffer
/// \param macSize the size of the MAC buffer, in bytes
/// \param iv the iv buffer
/// \param ivLength the size of the IV buffer, in bytes
/// \param aad the AAD buffer
/// \param aadLength the size of the AAD buffer, in bytes
/// \param ciphertext the cipher buffer
/// \param ciphertextLength the size of the ciphertext buffer, in bytes
/// \return true if the MAC is valid and the decoding succeeded, false otherwise
/// \details DecryptAndVerify() decrypts and verifies the MAC in one call.
/// <tt>message</tt> is a decryption buffer and should be at least as large as the ciphertext buffer.
/// \details The function returns true iff MAC is valid. DecryptAndVerify() assumes the MAC
/// is truncated if <tt>macLength < TagSize()</tt>.
virtual bool DecryptAndVerify(byte *message, const byte *mac, size_t macSize, const byte *iv, int ivLength, const byte *aad, size_t aadLength, const byte *ciphertext, size_t ciphertextLength);
protected:
// AuthenticatedSymmetricCipherBase
bool AuthenticationIsOnPlaintext() const {return false;}
unsigned int AuthenticationBlockSize() const {return 1;}
void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs &params);
void Resync(const byte *iv, size_t len);
size_t AuthenticateBlocks(const byte *data, size_t len);
void AuthenticateLastHeaderBlock();
void AuthenticateLastConfidentialBlock();
void AuthenticateLastFooterBlock(byte *mac, size_t macSize);
// See comments in chachapoly.cpp
void RekeyCipherAndMac(const byte *userKey, size_t userKeyLength, const NameValuePairs &params);
virtual const MessageAuthenticationCode & GetMAC() const = 0;
virtual MessageAuthenticationCode & AccessMAC() = 0;
private:
SecByteBlock m_userKey;
};
/// \brief IETF ChaCha20Poly1305 cipher final implementation
/// \tparam T_IsEncryption flag indicating cipher direction
/// \details ChaCha20Poly1305 is an authenticated encryption scheme that combines
/// ChaCha20TLS and Poly1305TLS. The scheme is defined in RFC 8439, section 2.8,
/// AEAD_CHACHA20_POLY1305 construction, and uses the IETF versions of ChaCha20
/// and Poly1305.
/// \sa <A HREF="http://tools.ietf.org/html/rfc8439">RFC 8439, ChaCha20 and Poly1305
/// for IETF Protocols</A>.
/// \since Crypto++ 8.1
template <bool T_IsEncryption>
class ChaCha20Poly1305_Final : public ChaCha20Poly1305_Base
{
public:
virtual ~ChaCha20Poly1305_Final() {}
protected:
const SymmetricCipher & GetSymmetricCipher()
{return const_cast<ChaCha20Poly1305_Final *>(this)->AccessSymmetricCipher();}
SymmetricCipher & AccessSymmetricCipher()
{return m_cipher;}
bool IsForwardTransformation() const
{return T_IsEncryption;}
const MessageAuthenticationCode & GetMAC() const
{return const_cast<ChaCha20Poly1305_Final *>(this)->AccessMAC();}
MessageAuthenticationCode & AccessMAC()
{return m_mac;}
private:
ChaChaTLS::Encryption m_cipher;
Poly1305TLS m_mac;
};
/// \brief IETF ChaCha20/Poly1305 AEAD scheme
/// \details ChaCha20Poly1305 is an authenticated encryption scheme that combines
/// ChaCha20TLS and Poly1305TLS. The scheme is defined in RFC 8439, section 2.8,
/// AEAD_CHACHA20_POLY1305 construction, and uses the IETF versions of ChaCha20
/// and Poly1305.
/// \sa <A HREF="http://tools.ietf.org/html/rfc8439">RFC 8439, ChaCha20 and Poly1305
/// for IETF Protocols</A>.
/// \since Crypto++ 8.1
struct ChaCha20Poly1305 : public AuthenticatedSymmetricCipherDocumentation
{
/// \brief ChaCha20Poly1305 encryption
typedef ChaCha20Poly1305_Final<true> Encryption;
/// \brief ChaCha20Poly1305 decryption
typedef ChaCha20Poly1305_Final<false> Decryption;
};
////////////////////////////// IETF XChaCha20 draft //////////////////////////////
/// \brief IETF XChaCha20Poly1305 cipher base implementation
/// \details Base implementation of the AuthenticatedSymmetricCipher interface
/// \since Crypto++ 8.1
class XChaCha20Poly1305_Base : public AuthenticatedSymmetricCipherBase
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName()
{return "XChaCha20/Poly1305";}
virtual ~XChaCha20Poly1305_Base() {}
// AuthenticatedSymmetricCipher
std::string AlgorithmName() const
{return std::string("XChaCha20/Poly1305");}
std::string AlgorithmProvider() const
{return GetSymmetricCipher().AlgorithmProvider();}
size_t MinKeyLength() const
{return 32;}
size_t MaxKeyLength() const
{return 32;}
size_t DefaultKeyLength() const
{return 32;}
size_t GetValidKeyLength(size_t n) const
{CRYPTOPP_UNUSED(n); return 32;}
bool IsValidKeyLength(size_t n) const
{return n==32;}
unsigned int OptimalDataAlignment() const
{return GetSymmetricCipher().OptimalDataAlignment();}
IV_Requirement IVRequirement() const
{return UNIQUE_IV;}
unsigned int IVSize() const
{return 24;}
unsigned int MinIVLength() const
{return 24;}
unsigned int MaxIVLength() const
{return 24;}
unsigned int DigestSize() const
{return 16;}
lword MaxHeaderLength() const
{return LWORD_MAX;} // 2^64-1 bytes
lword MaxMessageLength() const
{return W64LIT(274877906880);} // 2^38-1 blocks
lword MaxFooterLength() const
{return 0;}
/// \brief Encrypts and calculates a MAC in one call
/// \param ciphertext the encryption buffer
/// \param mac the mac buffer
/// \param macSize the size of the MAC buffer, in bytes
/// \param iv the iv buffer
/// \param ivLength the size of the IV buffer, in bytes
/// \param aad the AAD buffer
/// \param aadLength the size of the AAD buffer, in bytes
/// \param message the message buffer
/// \param messageLength the size of the messagetext buffer, in bytes
/// \details EncryptAndAuthenticate() encrypts and generates the MAC in one call. The function
/// truncates the MAC if <tt>macSize < TagSize()</tt>.
virtual void EncryptAndAuthenticate(byte *ciphertext, byte *mac, size_t macSize, const byte *iv, int ivLength, const byte *aad, size_t aadLength, const byte *message, size_t messageLength);
/// \brief Decrypts and verifies a MAC in one call
/// \param message the decryption buffer
/// \param mac the mac buffer
/// \param macSize the size of the MAC buffer, in bytes
/// \param iv the iv buffer
/// \param ivLength the size of the IV buffer, in bytes
/// \param aad the AAD buffer
/// \param aadLength the size of the AAD buffer, in bytes
/// \param ciphertext the cipher buffer
/// \param ciphertextLength the size of the ciphertext buffer, in bytes
/// \return true if the MAC is valid and the decoding succeeded, false otherwise
/// \details DecryptAndVerify() decrypts and verifies the MAC in one call.
/// <tt>message</tt> is a decryption buffer and should be at least as large as the ciphertext buffer.
/// \details The function returns true iff MAC is valid. DecryptAndVerify() assumes the MAC
/// is truncated if <tt>macLength < TagSize()</tt>.
virtual bool DecryptAndVerify(byte *message, const byte *mac, size_t macSize, const byte *iv, int ivLength, const byte *aad, size_t aadLength, const byte *ciphertext, size_t ciphertextLength);
protected:
// AuthenticatedSymmetricCipherBase
bool AuthenticationIsOnPlaintext() const {return false;}
unsigned int AuthenticationBlockSize() const {return 1;}
void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs &params);
void Resync(const byte *iv, size_t len);
size_t AuthenticateBlocks(const byte *data, size_t len);
void AuthenticateLastHeaderBlock();
void AuthenticateLastConfidentialBlock();
void AuthenticateLastFooterBlock(byte *mac, size_t macSize);
// See comments in chachapoly.cpp
void RekeyCipherAndMac(const byte *userKey, size_t userKeyLength, const NameValuePairs &params);
virtual const MessageAuthenticationCode & GetMAC() const = 0;
virtual MessageAuthenticationCode & AccessMAC() = 0;
private:
SecByteBlock m_userKey;
};
/// \brief IETF XChaCha20Poly1305 cipher final implementation
/// \tparam T_IsEncryption flag indicating cipher direction
/// \details XChaCha20Poly1305 is an authenticated encryption scheme that combines
/// XChaCha20 and Poly1305-TLS. The scheme is defined in RFC 8439, section 2.8,
/// AEAD_CHACHA20_POLY1305 construction, and uses the IETF versions of ChaCha20
/// and Poly1305.
/// \sa <A HREF="http://tools.ietf.org/html/rfc8439">RFC 8439, ChaCha20 and Poly1305
/// for IETF Protocols</A>.
/// \since Crypto++ 8.1
template <bool T_IsEncryption>
class XChaCha20Poly1305_Final : public XChaCha20Poly1305_Base
{
public:
virtual ~XChaCha20Poly1305_Final() {}
protected:
const SymmetricCipher & GetSymmetricCipher()
{return const_cast<XChaCha20Poly1305_Final *>(this)->AccessSymmetricCipher();}
SymmetricCipher & AccessSymmetricCipher()
{return m_cipher;}
bool IsForwardTransformation() const
{return T_IsEncryption;}
const MessageAuthenticationCode & GetMAC() const
{return const_cast<XChaCha20Poly1305_Final *>(this)->AccessMAC();}
MessageAuthenticationCode & AccessMAC()
{return m_mac;}
private:
XChaCha20::Encryption m_cipher;
Poly1305TLS m_mac;
};
/// \brief IETF XChaCha20/Poly1305 AEAD scheme
/// \details XChaCha20Poly1305 is an authenticated encryption scheme that combines
/// XChaCha20 and Poly1305-TLS. The scheme is defined in RFC 8439, section 2.8,
/// AEAD_XCHACHA20_POLY1305 construction, and uses the IETF versions of ChaCha20
/// and Poly1305.
/// \sa <A HREF="http://tools.ietf.org/html/rfc8439">RFC 8439, ChaCha20 and Poly1305
/// for IETF Protocols</A>.
/// \since Crypto++ 8.1
struct XChaCha20Poly1305 : public AuthenticatedSymmetricCipherDocumentation
{
/// \brief XChaCha20Poly1305 encryption
typedef XChaCha20Poly1305_Final<true> Encryption;
/// \brief XChaCha20Poly1305 decryption
typedef XChaCha20Poly1305_Final<false> Decryption;
};
NAMESPACE_END
#endif // CRYPTOPP_CHACHA_POLY1305_H

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// cham.h - written and placed in the public domain by Kim Sung Hee and Jeffrey Walton
// Based on "CHAM: A Family of Lightweight Block Ciphers for
// Resource-Constrained Devices" by Bonwook Koo, Dongyoung Roh,
// Hyeonjin Kim, Younghoon Jung, Dong-Geon Lee, and Daesung Kwon
/// \file cham.h
/// \brief Classes for the CHAM block cipher
/// \since Crypto++ 8.0
#ifndef CRYPTOPP_CHAM_H
#define CRYPTOPP_CHAM_H
#include "config.h"
#include "seckey.h"
#include "secblock.h"
#include "algparam.h"
#if (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86)
# define CRYPTOPP_CHAM128_ADVANCED_PROCESS_BLOCKS 1
#endif
// Yet another SunStudio/SunCC workaround. Failed self tests
// in SSE code paths on i386 for SunStudio 12.3 and below.
#if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x5120)
# undef CRYPTOPP_CHAM128_ADVANCED_PROCESS_BLOCKS
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief CHAM block cipher information
/// \since Crypto++ 8.0
struct CHAM64_Info : public FixedBlockSize<8>, public FixedKeyLength<16>
{
/// \brief The algorithm name
/// \return the algorithm name
/// \details StaticAlgorithmName returns the algorithm's name as a static
/// member function.
static const std::string StaticAlgorithmName()
{
// Format is Cipher-Blocksize
return "CHAM-64";
}
};
/// \brief CHAM block cipher information
/// \since Crypto++ 8.0
struct CHAM128_Info : public FixedBlockSize<16>, public VariableKeyLength<16,16,32,16>
{
/// \brief The algorithm name
/// \return the algorithm name
/// \details StaticAlgorithmName returns the algorithm's name as a static
/// member function.
static const std::string StaticAlgorithmName()
{
// Format is Cipher-Blocksize
return "CHAM-128";
}
};
/// \brief CHAM 64-bit block cipher
/// \details CHAM64 provides 64-bit block size. The valid key size is 128-bit.
/// \note Crypto++ provides a byte oriented implementation
/// \sa CHAM128, <a href="http://www.cryptopp.com/wiki/CHAM">CHAM</a>,
/// <a href="https://pdfs.semanticscholar.org/2f57/61b5c2614cffd58a09cc83c375a2b32a2ed3.pdf">
/// CHAM: A Family of Lightweight Block Ciphers for Resource-Constrained Devices</a>
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE CHAM64 : public CHAM64_Info, public BlockCipherDocumentation
{
public:
/// \brief CHAM block cipher transformation functions
/// \details Provides implementation common to encryption and decryption
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<CHAM64_Info>
{
protected:
void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);
SecBlock<word16> m_rk;
mutable FixedSizeSecBlock<word16, 4> m_x;
unsigned int m_kw;
};
/// \brief Encryption transformation
/// \details Enc provides implementation for encryption transformation. All key and block
/// sizes are supported.
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
/// \brief Decryption transformation
/// \details Dec provides implementation for decryption transformation. All key and block
/// sizes are supported.
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
/// \brief CHAM64 encryption
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
/// \brief CHAM64 decryption
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
/// \brief CHAM64 encryption
typedef CHAM64::Encryption CHAM64Encryption;
/// \brief CHAM64 decryption
typedef CHAM64::Decryption CHAM64Decryption;
/// \brief CHAM 128-bit block cipher
/// \details CHAM128 provides 128-bit block size. The valid key size is 128-bit and 256-bit.
/// \note Crypto++ provides a byte oriented implementation
/// \sa CHAM64, <a href="http://www.cryptopp.com/wiki/CHAM">CHAM</a>,
/// <a href="https://pdfs.semanticscholar.org/2f57/61b5c2614cffd58a09cc83c375a2b32a2ed3.pdf">
/// CHAM: A Family of Lightweight Block Ciphers for Resource-Constrained Devices</a>
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE CHAM128 : public CHAM128_Info, public BlockCipherDocumentation
{
public:
/// \brief CHAM block cipher transformation functions
/// \details Provides implementation common to encryption and decryption
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<CHAM128_Info>
{
protected:
void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);
std::string AlgorithmProvider() const;
SecBlock<word32> m_rk;
mutable FixedSizeSecBlock<word32, 4> m_x;
unsigned int m_kw;
};
/// \brief Encryption transformation
/// \details Enc provides implementation for encryption transformation. All key and block
/// sizes are supported.
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_CHAM128_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
/// \brief Decryption transformation
/// \details Dec provides implementation for decryption transformation. All key and block
/// sizes are supported.
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_CHAM128_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
/// \brief CHAM128 encryption
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
/// \brief CHAM128 decryption
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
/// \brief CHAM128 encryption
typedef CHAM128::Encryption CHAM128Encryption;
/// \brief CHAM128 decryption
typedef CHAM128::Decryption CHAM128Decryption;
NAMESPACE_END
#endif // CRYPTOPP_CHAM_H

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// channels.h - originally written and placed in the public domain by Wei Dai
/// \file channels.h
/// \brief Classes for multiple named channels
#ifndef CRYPTOPP_CHANNELS_H
#define CRYPTOPP_CHANNELS_H
#include "cryptlib.h"
#include "simple.h"
#include "smartptr.h"
#include "stdcpp.h"
#if CRYPTOPP_MSC_VERSION
# pragma warning(push)
# pragma warning(disable: 4355)
#endif
NAMESPACE_BEGIN(CryptoPP)
#if 0
/// Route input on default channel to different and/or multiple channels based on message sequence number
class MessageSwitch : public Sink
{
public:
void AddDefaultRoute(BufferedTransformation &destination, const std::string &channel);
void AddRoute(unsigned int begin, unsigned int end, BufferedTransformation &destination, const std::string &channel);
void Put(byte inByte);
void Put(const byte *inString, unsigned int length);
void Flush(bool completeFlush, int propagation=-1);
void MessageEnd(int propagation=-1);
void PutMessageEnd(const byte *inString, unsigned int length, int propagation=-1);
void MessageSeriesEnd(int propagation=-1);
private:
typedef std::pair<BufferedTransformation *, std::string> Route;
struct RangeRoute
{
RangeRoute(unsigned int begin, unsigned int end, const Route &route)
: begin(begin), end(end), route(route) {}
bool operator<(const RangeRoute &rhs) const {return begin < rhs.begin;}
unsigned int begin, end;
Route route;
};
typedef std::list<RangeRoute> RouteList;
typedef std::list<Route> DefaultRouteList;
RouteList m_routes;
DefaultRouteList m_defaultRoutes;
unsigned int m_nCurrentMessage;
};
#endif
class ChannelSwitchTypedefs
{
public:
typedef std::pair<BufferedTransformation *, std::string> Route;
typedef std::multimap<std::string, Route> RouteMap;
typedef std::pair<BufferedTransformation *, value_ptr<std::string> > DefaultRoute;
typedef std::list<DefaultRoute> DefaultRouteList;
// SunCC workaround: can't use const_iterator here
typedef RouteMap::iterator MapIterator;
typedef DefaultRouteList::iterator ListIterator;
};
class ChannelSwitch;
class ChannelRouteIterator : public ChannelSwitchTypedefs
{
public:
ChannelRouteIterator(ChannelSwitch &cs) : m_cs(cs), m_useDefault(false) {}
void Reset(const std::string &channel);
bool End() const;
void Next();
BufferedTransformation & Destination();
const std::string & Channel();
ChannelSwitch& m_cs;
std::string m_channel;
bool m_useDefault;
MapIterator m_itMapCurrent, m_itMapEnd;
ListIterator m_itListCurrent, m_itListEnd;
protected:
// Hide this to see if we break something...
ChannelRouteIterator();
};
/// Route input to different and/or multiple channels based on channel ID
class CRYPTOPP_DLL ChannelSwitch : public Multichannel<Sink>, public ChannelSwitchTypedefs
{
public:
ChannelSwitch() : m_it(*this), m_blocked(false) {}
ChannelSwitch(BufferedTransformation &destination) : m_it(*this), m_blocked(false)
{
AddDefaultRoute(destination);
}
ChannelSwitch(BufferedTransformation &destination, const std::string &outChannel) : m_it(*this), m_blocked(false)
{
AddDefaultRoute(destination, outChannel);
}
void IsolatedInitialize(const NameValuePairs &parameters=g_nullNameValuePairs);
size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking);
size_t ChannelPutModifiable2(const std::string &channel, byte *begin, size_t length, int messageEnd, bool blocking);
bool ChannelFlush(const std::string &channel, bool completeFlush, int propagation=-1, bool blocking=true);
bool ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1, bool blocking=true);
byte * ChannelCreatePutSpace(const std::string &channel, size_t &size);
void AddDefaultRoute(BufferedTransformation &destination);
void RemoveDefaultRoute(BufferedTransformation &destination);
void AddDefaultRoute(BufferedTransformation &destination, const std::string &outChannel);
void RemoveDefaultRoute(BufferedTransformation &destination, const std::string &outChannel);
void AddRoute(const std::string &inChannel, BufferedTransformation &destination, const std::string &outChannel);
void RemoveRoute(const std::string &inChannel, BufferedTransformation &destination, const std::string &outChannel);
private:
RouteMap m_routeMap;
DefaultRouteList m_defaultRoutes;
ChannelRouteIterator m_it;
bool m_blocked;
friend class ChannelRouteIterator;
};
NAMESPACE_END
#if CRYPTOPP_MSC_VERSION
# pragma warning(pop)
#endif
#endif

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// cmac.h - originally written and placed in the public domain by Wei Dai
/// \file cmac.h
/// \brief Classes for CMAC message authentication code
/// \since Crypto++ 5.6.0
#ifndef CRYPTOPP_CMAC_H
#define CRYPTOPP_CMAC_H
#include "seckey.h"
#include "secblock.h"
/// \brief Enable CMAC and wide block ciphers
/// \details CMAC is only defined for AES. The library can support wide
/// block ciphers like Kaylna and Threefish since we know the polynomials.
#ifndef CRYPTOPP_CMAC_WIDE_BLOCK_CIPHERS
# define CRYPTOPP_CMAC_WIDE_BLOCK_CIPHERS 1
#endif // CRYPTOPP_CMAC_WIDE_BLOCK_CIPHERS
NAMESPACE_BEGIN(CryptoPP)
/// \brief CMAC base implementation
/// \since Crypto++ 5.6.0
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CMAC_Base : public MessageAuthenticationCode
{
public:
virtual ~CMAC_Base() {}
CMAC_Base() : m_counter(0) {}
void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params);
void Update(const byte *input, size_t length);
void TruncatedFinal(byte *mac, size_t size);
unsigned int DigestSize() const {return GetCipher().BlockSize();}
unsigned int OptimalBlockSize() const {return GetCipher().BlockSize();}
unsigned int OptimalDataAlignment() const {return GetCipher().OptimalDataAlignment();}
std::string AlgorithmProvider() const {return GetCipher().AlgorithmProvider();}
protected:
friend class EAX_Base;
const BlockCipher & GetCipher() const {return const_cast<CMAC_Base*>(this)->AccessCipher();}
virtual BlockCipher & AccessCipher() =0;
void ProcessBuf();
SecByteBlock m_reg;
unsigned int m_counter;
};
/// \brief CMAC message authentication code
/// \tparam T block cipher
/// \details Template parameter T should be a class derived from BlockCipherDocumentation, for example AES, with a block size of 8, 16, or 32.
/// \sa <a href="http://www.cryptolounge.org/wiki/CMAC">CMAC</a>
/// \since Crypto++ 5.6.0
template <class T>
class CMAC : public MessageAuthenticationCodeImpl<CMAC_Base, CMAC<T> >, public SameKeyLengthAs<T>
{
public:
/// \brief Construct a CMAC
CMAC() {}
/// \brief Construct a CMAC
/// \param key the MAC key
/// \param length the key size, in bytes
CMAC(const byte *key, size_t length=SameKeyLengthAs<T>::DEFAULT_KEYLENGTH)
{this->SetKey(key, length);}
static std::string StaticAlgorithmName() {return std::string("CMAC(") + T::StaticAlgorithmName() + ")";}
private:
BlockCipher & AccessCipher() {return m_cipher;}
typename T::Encryption m_cipher;
};
NAMESPACE_END
#endif

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// config.h - originally written and placed in the public domain by Wei Dai
/// \file config.h
/// \brief Library configuration file
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
/// \file config.h
/// \brief Library configuration file
#ifndef CRYPTOPP_CONFIG_H
#define CRYPTOPP_CONFIG_H
#include "config_align.h"
#include "config_asm.h"
#include "config_cpu.h"
#include "config_cxx.h"
#include "config_dll.h"
#include "config_int.h"
#include "config_misc.h"
#include "config_ns.h"
#include "config_os.h"
#include "config_ver.h"
#endif // CRYPTOPP_CONFIG_H

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// config_align.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_align.h
/// \brief Library configuration file
/// \details <tt>config_align.h</tt> provides defines for aligned memory
/// allocations.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_align.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_ALIGN_H
#define CRYPTOPP_CONFIG_ALIGN_H
#include "config_asm.h" // CRYPTOPP_DISABLE_ASM
#include "config_cpu.h" // X86, X32, X64, ARM32, ARM64, etc
#include "config_cxx.h" // CRYPTOPP_CXX11_ALIGNAS
#include "config_ver.h" // Compiler versions
// Nearly all Intel's and AMD's have SSE. Enable it independent of SSE ASM and intrinsics.
// ARM NEON and ARMv8 ASIMD only need natural alignment of an element in the vector.
// Altivec through POWER7 need vector alignment. POWER8 and POWER9 relax the requirement.
#if defined(CRYPTOPP_DISABLE_ASM)
#define CRYPTOPP_BOOL_ALIGN16 0
#elif (CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64 || \
CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64)
#define CRYPTOPP_BOOL_ALIGN16 1
#else
#define CRYPTOPP_BOOL_ALIGN16 0
#endif
// How to allocate 16-byte aligned memory (for SSE2)
// posix_memalign see https://forum.kde.org/viewtopic.php?p=66274
#if defined(CRYPTOPP_MSC_VERSION)
#define CRYPTOPP_MM_MALLOC_AVAILABLE
#elif defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
#define CRYPTOPP_MEMALIGN_AVAILABLE
#elif defined(__APPLE__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
#define CRYPTOPP_MALLOC_ALIGNMENT_IS_16
#elif (defined(_GNU_SOURCE) || ((_XOPEN_SOURCE + 0) >= 600)) && (_POSIX_ADVISORY_INFO > 0)
#define CRYPTOPP_POSIX_MEMALIGN_AVAILABLE
#else
#define CRYPTOPP_NO_ALIGNED_ALLOC
#endif
// Sun Studio Express 3 (December 2006) provides GCC-style attributes.
// IBM XL C/C++ alignment modifier per Optimization Guide, pp. 19-20.
// __IBM_ATTRIBUTES per XLC 12.1 AIX Compiler Manual, p. 473.
// CRYPTOPP_ALIGN_DATA may not be reliable on AIX.
#if defined(CRYPTOPP_CXX11_ALIGNAS)
#define CRYPTOPP_ALIGN_DATA(x) alignas(x)
#elif defined(CRYPTOPP_MSC_VERSION)
#define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x))
#elif defined(__GNUC__) || defined(__clang__) || (__SUNPRO_CC >= 0x5100)
#define CRYPTOPP_ALIGN_DATA(x) __attribute__((aligned(x)))
#elif defined(__xlc__) || defined(__xlC__)
#define CRYPTOPP_ALIGN_DATA(x) __attribute__((aligned(x)))
#else
#define CRYPTOPP_ALIGN_DATA(x)
#endif
#endif // CRYPTOPP_CONFIG_ALIGN_H

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// config_asm.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_asm.h
/// \brief Library configuration file
/// \details <tt>config_asm.h</tt> provides defines for instruction set
/// architectures
/// and inline assembly.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_asm.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_ASM_H
#define CRYPTOPP_CONFIG_ASM_H
#include "config_os.h"
#include "config_cpu.h"
#include "config_ver.h"
// Define this to disable ASM, intrinsics and built-ins. The library code will
// not explicitly include SSE2 (and above), NEON, Aarch32, Aarch64, or Altivec
// (and above). Note the compiler may use higher ISAs depending on compiler
// options, but the library will not explicitly use the ISAs. When disabling ASM,
// it is best to do it from config_asm.h to ensure the library and all programs
// share the setting.
// #define CRYPTOPP_DISABLE_ASM 1
// https://github.com/weidai11/cryptopp/issues/719
#if defined(__native_client__)
# undef CRYPTOPP_DISABLE_ASM
# define CRYPTOPP_DISABLE_ASM 1
#endif
// Some Clang and SunCC cannot handle mixed asm with positional arguments,
// where the body is Intel style with no prefix and the templates are
// AT&T style. Define this if the Makefile misdetects the configuration.
// Also see https://bugs.llvm.org/show_bug.cgi?id=39895 .
// #define CRYPTOPP_DISABLE_MIXED_ASM 1
#if defined(__clang__) || (defined(__APPLE__) && defined(__GNUC__)) || defined(__SUNPRO_CC)
# undef CRYPTOPP_DISABLE_MIXED_ASM
# define CRYPTOPP_DISABLE_MIXED_ASM 1
#endif
// Define this if you need to disable Android advanced ISAs.
// The problem is, Android-mk does not allow us to specify an
// ISA option, like -maes or -march=armv8-a+crypto for AES.
// Lack of an option results in a compile failure. To avoid
// the compile failure, set this define. Also see
// https://github.com/weidai11/cryptopp/issues/1015
// CRYPTOPP_DISABLE_ANDROID_ADVANCED_ISA 1
// ***************** IA32 CPU features ********************
#if (CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64)
// Apple Clang prior to 5.0 cannot handle SSE2
#if defined(CRYPTOPP_APPLE_CLANG_VERSION) && (CRYPTOPP_APPLE_CLANG_VERSION < 50000)
# define CRYPTOPP_DISABLE_ASM 1
#endif
// Sun Studio 12.1 provides GCC inline assembly
// http://blogs.oracle.com/x86be/entry/gcc_style_asm_inlining_support
#if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5100)
# define CRYPTOPP_DISABLE_ASM 1
#endif
// Guard everything in CRYPTOPP_DISABLE_ASM
#if !defined(CRYPTOPP_DISABLE_ASM)
#if (defined(_MSC_VER) && defined(_M_IX86)) || ((defined(__GNUC__) && (defined(__i386__)) || defined(__x86_64__)))
// C++Builder 2010 does not allow "call label" where label is defined within inline assembly
#define CRYPTOPP_X86_ASM_AVAILABLE 1
#if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(_MSC_VER) || CRYPTOPP_GCC_VERSION >= 30300 || defined(__SSE2__))
#define CRYPTOPP_SSE2_ASM_AVAILABLE 1
#endif
#if !defined(CRYPTOPP_DISABLE_SSSE3) && (_MSC_VER >= 1500 || CRYPTOPP_GCC_VERSION >= 40300 || defined(__SSSE3__))
#define CRYPTOPP_SSSE3_ASM_AVAILABLE 1
#endif
#endif
#if defined(_MSC_VER) && defined(_M_X64)
#define CRYPTOPP_X64_MASM_AVAILABLE 1
#endif
#if defined(__GNUC__) && defined(__x86_64__)
#define CRYPTOPP_X64_ASM_AVAILABLE 1
#endif
// 32-bit SunCC does not enable SSE2 by default.
#if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSC_VERSION) || CRYPTOPP_GCC_VERSION >= 30300 || defined(__SSE2__) || (__SUNPRO_CC >= 0x5100))
#define CRYPTOPP_SSE2_INTRIN_AVAILABLE 1
#endif
#if !defined(CRYPTOPP_DISABLE_SSSE3)
# if defined(__SSSE3__) || (CRYPTOPP_MSC_VERSION >= 1500) || \
(CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1000) || (__SUNPRO_CC >= 0x5110) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 20300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40000)
#define CRYPTOPP_SSSE3_AVAILABLE 1
# endif
#endif
// Intrinsics available in GCC 4.3 (http://gcc.gnu.org/gcc-4.3/changes.html) and
// MSVC 2008 (http://msdn.microsoft.com/en-us/library/bb892950%28v=vs.90%29.aspx)
// SunCC could generate SSE4 at 12.1, but the intrinsics are missing until 12.4.
#if !defined(CRYPTOPP_DISABLE_SSE4) && defined(CRYPTOPP_SSSE3_AVAILABLE) && \
(defined(__SSE4_1__) || (CRYPTOPP_MSC_VERSION >= 1500) || \
(CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1000) || (__SUNPRO_CC >= 0x5110) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 20300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40000))
#define CRYPTOPP_SSE41_AVAILABLE 1
#endif
#if !defined(CRYPTOPP_DISABLE_SSE4) && defined(CRYPTOPP_SSSE3_AVAILABLE) && \
(defined(__SSE4_2__) || (CRYPTOPP_MSC_VERSION >= 1500) || (__SUNPRO_CC >= 0x5110) || \
(CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1000) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 20300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40000))
#define CRYPTOPP_SSE42_AVAILABLE 1
#endif
// Couple to CRYPTOPP_DISABLE_AESNI, but use CRYPTOPP_CLMUL_AVAILABLE so we can selectively
// disable for misbehaving platforms and compilers, like Solaris or some Clang.
#if defined(CRYPTOPP_DISABLE_AESNI)
#define CRYPTOPP_DISABLE_CLMUL 1
#endif
// Requires Sun Studio 12.3 (SunCC 0x5120) in theory.
#if !defined(CRYPTOPP_DISABLE_CLMUL) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
(defined(__PCLMUL__) || (_MSC_FULL_VER >= 150030729) || (__SUNPRO_CC >= 0x5120) || \
(CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1110) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 30200) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300))
#define CRYPTOPP_CLMUL_AVAILABLE 1
#endif
// Requires Sun Studio 12.3 (SunCC 0x5120)
#if !defined(CRYPTOPP_DISABLE_AESNI) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
(defined(__AES__) || (_MSC_FULL_VER >= 150030729) || (__SUNPRO_CC >= 0x5120) || \
(CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1110) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 30200) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300))
#define CRYPTOPP_AESNI_AVAILABLE 1
#endif
// Requires Binutils 2.24
#if !defined(CRYPTOPP_DISABLE_AVX) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
(defined(__AVX2__) || (CRYPTOPP_MSC_VERSION >= 1800) || (__SUNPRO_CC >= 0x5130) || \
(CRYPTOPP_GCC_VERSION >= 40700) || (__INTEL_COMPILER >= 1400) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 30100) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40600))
#define CRYPTOPP_AVX_AVAILABLE 1
#endif
// Requires Binutils 2.24
#if !defined(CRYPTOPP_DISABLE_AVX2) && defined(CRYPTOPP_AVX_AVAILABLE) && \
(defined(__AVX2__) || (CRYPTOPP_MSC_VERSION >= 1800) || (__SUNPRO_CC >= 0x5130) || \
(CRYPTOPP_GCC_VERSION >= 40900) || (__INTEL_COMPILER >= 1400) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 30100) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40600))
#define CRYPTOPP_AVX2_AVAILABLE 1
#endif
// Guessing at SHA for SunCC. Its not in Sun Studio 12.6. Also see
// http://stackoverflow.com/questions/45872180/which-xarch-for-sha-extensions-on-solaris
// Guessing for Intel ICPC. A slide deck says SHA support is in version 16.0-beta
// https://www.alcf.anl.gov/files/ken_intel_compiler_optimization.pdf
#if !defined(CRYPTOPP_DISABLE_SHANI) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
(defined(__SHA__) || (CRYPTOPP_MSC_VERSION >= 1900) || (__SUNPRO_CC >= 0x5160) || \
(CRYPTOPP_GCC_VERSION >= 40900) || (__INTEL_COMPILER >= 1600) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 30400) || (CRYPTOPP_APPLE_CLANG_VERSION >= 50100))
#define CRYPTOPP_SHANI_AVAILABLE 1
#endif
// RDRAND uses byte codes. All we need is x86 ASM for it.
// However tie it to AES-NI since SecureKey was available with it.
#if !defined(CRYPTOPP_DISABLE_RDRAND) && defined(CRYPTOPP_AESNI_AVAILABLE)
#define CRYPTOPP_RDRAND_AVAILABLE 1
#endif
// RDSEED uses byte codes. All we need is x86 ASM for it.
// However tie it to AES-NI since SecureKey was available with it.
#if !defined(CRYPTOPP_DISABLE_RDSEED) && defined(CRYPTOPP_AESNI_AVAILABLE)
#define CRYPTOPP_RDSEED_AVAILABLE 1
#endif
// PadlockRNG uses byte codes. All we need is x86 ASM for it.
#if !defined(CRYPTOPP_DISABLE_PADLOCK) && \
!(defined(__ANDROID__) || defined(ANDROID) || defined(__APPLE__)) && \
defined(CRYPTOPP_X86_ASM_AVAILABLE)
#define CRYPTOPP_PADLOCK_AVAILABLE 1
#define CRYPTOPP_PADLOCK_RNG_AVAILABLE 1
#define CRYPTOPP_PADLOCK_ACE_AVAILABLE 1
#define CRYPTOPP_PADLOCK_ACE2_AVAILABLE 1
#define CRYPTOPP_PADLOCK_PHE_AVAILABLE 1
#define CRYPTOPP_PADLOCK_PMM_AVAILABLE 1
#endif
// Fixup for SunCC 12.1-12.4. Bad code generation in AES_Encrypt and friends.
#if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x5130)
# undef CRYPTOPP_AESNI_AVAILABLE
#endif
// Fixup for SunCC 12.1-12.6. Compiler crash on GCM_Reduce_CLMUL.
// http://github.com/weidai11/cryptopp/issues/226
#if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x5150)
# undef CRYPTOPP_CLMUL_AVAILABLE
#endif
// Clang intrinsic casts, http://bugs.llvm.org/show_bug.cgi?id=20670
#define M128_CAST(x) ((__m128i *)(void *)(x))
#define CONST_M128_CAST(x) ((const __m128i *)(const void *)(x))
#define M256_CAST(x) ((__m256i *)(void *)(x))
#define CONST_M256_CAST(x) ((const __m256i *)(const void *)(x))
#endif // CRYPTOPP_DISABLE_ASM
#endif // X86, X32, X64
// ***************** ARM CPU features ********************
#if (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARMV8)
// We don't have an ARM big endian test rig. Disable
// ARM-BE ASM and instrinsics until we can test it.
#if (CRYPTOPP_BIG_ENDIAN)
# define CRYPTOPP_DISABLE_ASM 1
#endif
// Guard everything in CRYPTOPP_DISABLE_ASM
#if !defined(CRYPTOPP_DISABLE_ASM)
// Requires ACLE 1.0. -mfpu=neon or above must be present
// Requires GCC 4.3, Clang 2.8 or Visual Studio 2012
// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
#if !defined(CRYPTOPP_ARM_NEON_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ARM_NEON)
# if defined(__arm__) || defined(__ARM_NEON) || defined(__ARM_FEATURE_NEON) || defined(_M_ARM)
# if (CRYPTOPP_GCC_VERSION >= 40300) || (CRYPTOPP_LLVM_CLANG_VERSION >= 20800) || \
(CRYPTOPP_APPLE_CLANG_VERSION >= 30200) || (CRYPTOPP_MSC_VERSION >= 1700)
# define CRYPTOPP_ARM_NEON_AVAILABLE 1
# endif // Compilers
# endif // Platforms
#endif
// ARMv8 and ASIMD. -march=armv8-a or above must be present
// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
#if !defined(CRYPTOPP_ARM_ASIMD_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ARM_ASIMD)
# if defined(__aarch32__) || defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)
# if defined(__ARM_NEON) || defined(__ARM_ASIMD) || defined(__ARM_FEATURE_NEON) || defined(__ARM_FEATURE_ASIMD) || \
(CRYPTOPP_GCC_VERSION >= 40800) || (CRYPTOPP_LLVM_CLANG_VERSION >= 30300) || \
(CRYPTOPP_APPLE_CLANG_VERSION >= 40000) || (CRYPTOPP_MSC_VERSION >= 1916)
# define CRYPTOPP_ARM_NEON_AVAILABLE 1
# define CRYPTOPP_ARM_ASIMD_AVAILABLE 1
# endif // Compilers
# endif // Platforms
#endif
// ARMv8 and ASIMD. -march=armv8-a+crc or above must be present
// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
#if !defined(CRYPTOPP_ARM_CRC32_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ARM_CRC32)
# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
# if defined(__ARM_FEATURE_CRC32) || (CRYPTOPP_GCC_VERSION >= 40800) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 30300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300) || \
(CRYPTOPP_MSC_VERSION >= 1916)
# define CRYPTOPP_ARM_CRC32_AVAILABLE 1
# endif // Compilers
# endif // Platforms
#endif
// ARMv8 and AES. -march=armv8-a+crypto or above must be present
// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
#if !defined(CRYPTOPP_ARM_AES_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ARM_AES)
# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
# if defined(__ARM_FEATURE_CRYPTO) || (CRYPTOPP_GCC_VERSION >= 40800) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 30300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300) || \
(CRYPTOPP_MSC_VERSION >= 1916)
# define CRYPTOPP_ARM_AES_AVAILABLE 1
# endif // Compilers
# endif // Platforms
#endif
// ARMv8 and PMULL. -march=armv8-a+crypto or above must be present
// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
#if !defined(CRYPTOPP_ARM_PMULL_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ARM_PMULL)
# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
# if defined(__ARM_FEATURE_CRYPTO) || (CRYPTOPP_GCC_VERSION >= 40800) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 30300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300) || \
(CRYPTOPP_MSC_VERSION >= 1916)
# define CRYPTOPP_ARM_PMULL_AVAILABLE 1
# endif // Compilers
# endif // Platforms
#endif
// ARMv8 and SHA-1, SHA-256. -march=armv8-a+crypto or above must be present
// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
#if !defined(CRYPTOPP_ARM_SHA_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ARM_SHA)
# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
# if defined(__ARM_FEATURE_CRYPTO) || (CRYPTOPP_GCC_VERSION >= 40800) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 30300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300) || \
(CRYPTOPP_MSC_VERSION >= 1916)
# define CRYPTOPP_ARM_SHA1_AVAILABLE 1
# define CRYPTOPP_ARM_SHA2_AVAILABLE 1
# endif // Compilers
# endif // Platforms
#endif
// Buggy Microsoft compiler, https://github.com/weidai11/cryptopp/issues/1096
#if defined(CRYPTOPP_MSC_VERSION)
# undef CRYPTOPP_ARM_SHA1_AVAILABLE
# undef CRYPTOPP_ARM_SHA2_AVAILABLE
#endif
// ARMv8 and SHA-512, SHA-3. -march=armv8.2-a+crypto or above must be present
// Requires GCC 8.0, Clang 11.0, Apple Clang 12.0 or Visual Studio 20??
#if !defined(CRYPTOPP_ARM_SHA3_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ARM_SHA)
# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
# if defined(__ARM_FEATURE_SHA3) || (CRYPTOPP_GCC_VERSION >= 80000) || \
(CRYPTOPP_APPLE_CLANG_VERSION >= 120000) || (CRYPTOPP_LLVM_CLANG_VERSION >= 110000)
# define CRYPTOPP_ARM_SHA512_AVAILABLE 1
# define CRYPTOPP_ARM_SHA3_AVAILABLE 1
# endif // Compilers
# endif // Platforms
#endif
// ARMv8 and SM3, SM4. -march=armv8.2-a+crypto or above must be present
// Requires GCC 8.0, Clang ??? or Visual Studio 20??
// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
#if !defined(CRYPTOPP_ARM_SM3_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ARM_SM3)
# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
# if defined(__ARM_FEATURE_SM3) || (CRYPTOPP_GCC_VERSION >= 80000)
# define CRYPTOPP_ARM_SM3_AVAILABLE 1
# define CRYPTOPP_ARM_SM4_AVAILABLE 1
# endif // Compilers
# endif // Platforms
#endif
// Limit the <arm_neon.h> include.
#if !defined(CRYPTOPP_ARM_NEON_HEADER)
# if defined(CRYPTOPP_ARM_NEON_AVAILABLE) || defined (CRYPTOPP_ARM_ASIMD_AVAILABLE)
# if !defined(_M_ARM64)
# define CRYPTOPP_ARM_NEON_HEADER 1
# endif
# endif
#endif
// Limit the <arm_acle.h> include.
#if !defined(CRYPTOPP_ARM_ACLE_HEADER)
# if defined(__aarch32__) || defined(__aarch64__) || (__ARM_ARCH >= 8) || defined(__ARM_ACLE)
# define CRYPTOPP_ARM_ACLE_HEADER 1
# endif
#endif
// Apple M1 hack. Xcode cross-compiles for iOS lack
// arm_acle.h. Apple M1 needs arm_acle.h. The problem
// in practice is, we can't get CRYPTOPP_ARM_ACLE_HEADER
// quite right based on ARM preprocessor macros.
#if defined(__APPLE__) && !defined(__ARM_FEATURE_CRC32)
# undef CRYPTOPP_ARM_ACLE_HEADER
#endif
// Cryptogams offers an ARM asm implementations for AES and SHA. Crypto++ does
// not provide an asm implementation. The Cryptogams AES implementation is
// about 50% faster than C/C++, and SHA implementation is about 30% faster
// than C/C++. Define this to use the Cryptogams AES and SHA implementations
// on GNU Linux systems. When defined, Crypto++ will use aes_armv4.S,
// sha1_armv4.S and sha256_armv4.S. https://www.cryptopp.com/wiki/Cryptogams.
#if !defined(CRYPTOPP_DISABLE_ARM_NEON)
# if defined(__arm__) && defined(__linux__)
# if defined(__GNUC__) || defined(__clang__)
# define CRYPTOGAMS_ARM_AES 1
# define CRYPTOGAMS_ARM_SHA1 1
# define CRYPTOGAMS_ARM_SHA256 1
# define CRYPTOGAMS_ARM_SHA512 1
# endif
# endif
#endif
// We are still having trouble with integrating Cryptogams AES. Ugh...
// https://github.com/weidai11/cryptopp/issues/1236
#undef CRYPTOGAMS_ARM_AES
// Clang intrinsic casts, http://bugs.llvm.org/show_bug.cgi?id=20670
#define UINT64_CAST(x) ((uint64_t *)(void *)(x))
#define CONST_UINT64_CAST(x) ((const uint64_t *)(const void *)(x))
#endif // CRYPTOPP_DISABLE_ASM
#endif // ARM32, ARM64
// ***************** AltiVec and Power8 ********************
#if (CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64)
// Guard everything in CRYPTOPP_DISABLE_ASM
#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_ALTIVEC)
// An old Apple G5 with GCC 4.01 has AltiVec, but its only Power4 or so.
#if !defined(CRYPTOPP_ALTIVEC_AVAILABLE)
# if defined(_ARCH_PWR4) || defined(__ALTIVEC__) || \
(CRYPTOPP_XLC_VERSION >= 100000) || (CRYPTOPP_GCC_VERSION >= 40001) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 20900)
# define CRYPTOPP_ALTIVEC_AVAILABLE 1
# endif
#endif
#if defined(CRYPTOPP_ALTIVEC_AVAILABLE)
// We need Power7 for unaligned loads and stores
#if !defined(CRYPTOPP_POWER7_AVAILABLE) && !defined(CRYPTOPP_DISABLE_POWER7)
# if defined(_ARCH_PWR7) || (CRYPTOPP_XLC_VERSION >= 100000) || \
(CRYPTOPP_GCC_VERSION >= 40100) || (CRYPTOPP_LLVM_CLANG_VERSION >= 30100)
# define CRYPTOPP_POWER7_AVAILABLE 1
# endif
#endif
#if defined(CRYPTOPP_POWER7_AVAILABLE)
// We need Power8 for in-core crypto and 64-bit vector types
#if !defined(CRYPTOPP_POWER8_AVAILABLE) && !defined(CRYPTOPP_DISABLE_POWER8)
# if defined(_ARCH_PWR8) || (CRYPTOPP_XLC_VERSION >= 130000) || \
(CRYPTOPP_GCC_VERSION >= 40800) || (CRYPTOPP_LLVM_CLANG_VERSION >= 70000)
# define CRYPTOPP_POWER8_AVAILABLE 1
# endif
#endif
#if !defined(CRYPTOPP_POWER8_AES_AVAILABLE) && !defined(CRYPTOPP_DISABLE_POWER8_AES) && defined(CRYPTOPP_POWER8_AVAILABLE)
# if defined(__CRYPTO__) || defined(_ARCH_PWR8) || (CRYPTOPP_XLC_VERSION >= 130000) || \
(CRYPTOPP_GCC_VERSION >= 40800) || (CRYPTOPP_LLVM_CLANG_VERSION >= 70000)
//# define CRYPTOPP_POWER8_CRC_AVAILABLE 1
# define CRYPTOPP_POWER8_AES_AVAILABLE 1
# define CRYPTOPP_POWER8_VMULL_AVAILABLE 1
# define CRYPTOPP_POWER8_SHA_AVAILABLE 1
# endif
#endif
#if defined(CRYPTOPP_POWER8_AVAILABLE)
// Power9 for random numbers
#if !defined(CRYPTOPP_POWER9_AVAILABLE) && !defined(CRYPTOPP_DISABLE_POWER9)
# if defined(_ARCH_PWR9) || (CRYPTOPP_XLC_VERSION >= 130200) || \
(CRYPTOPP_GCC_VERSION >= 70000) || (CRYPTOPP_LLVM_CLANG_VERSION >= 80000)
# define CRYPTOPP_POWER9_AVAILABLE 1
# endif
#endif
#endif // CRYPTOPP_POWER8_AVAILABLE
#endif // CRYPTOPP_POWER7_AVAILABLE
#endif // CRYPTOPP_ALTIVEC_AVAILABLE
#endif // CRYPTOPP_DISABLE_ASM
#endif // PPC32, PPC64
// https://github.com/weidai11/cryptopp/issues/1015
#if defined(CRYPTOPP_DISABLE_ANDROID_ADVANCED_ISA)
# if defined(__ANDROID__) || defined(ANDROID)
# if (CRYPTOPP_BOOL_X86)
# undef CRYPTOPP_SSE41_AVAILABLE
# undef CRYPTOPP_SSE42_AVAILABLE
# undef CRYPTOPP_CLMUL_AVAILABLE
# undef CRYPTOPP_AESNI_AVAILABLE
# undef CRYPTOPP_SHANI_AVAILABLE
# undef CRYPTOPP_RDRAND_AVAILABLE
# undef CRYPTOPP_RDSEED_AVAILABLE
# undef CRYPTOPP_AVX_AVAILABLE
# undef CRYPTOPP_AVX2_AVAILABLE
# endif
# if (CRYPTOPP_BOOL_X64)
# undef CRYPTOPP_CLMUL_AVAILABLE
# undef CRYPTOPP_AESNI_AVAILABLE
# undef CRYPTOPP_SHANI_AVAILABLE
# undef CRYPTOPP_RDRAND_AVAILABLE
# undef CRYPTOPP_RDSEED_AVAILABLE
# undef CRYPTOPP_AVX_AVAILABLE
# undef CRYPTOPP_AVX2_AVAILABLE
# endif
# if (CRYPTOPP_BOOL_ARMV8)
# undef CRYPTOPP_ARM_CRC32_AVAILABLE
# undef CRYPTOPP_ARM_PMULL_AVAILABLE
# undef CRYPTOPP_ARM_AES_AVAILABLE
# undef CRYPTOPP_ARM_SHA1_AVAILABLE
# undef CRYPTOPP_ARM_SHA2_AVAILABLE
# endif
# endif // ANDROID
#endif // CRYPTOPP_DISABLE_ANDROID_ADVANCED_ISA
#endif // CRYPTOPP_CONFIG_ASM_H

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// config_cpu.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_cpu.h
/// \brief Library configuration file
/// \details <tt>config_cpu.h</tt> provides defines for the cpu and machine
/// architecture.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_cpu.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki,
/// <A HREF="https://sourceforge.net/p/predef/wiki/Architectures/">Sourceforge
/// Pre-defined Compiler Macros</A>
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_CPU_H
#define CRYPTOPP_CONFIG_CPU_H
#include "config_ver.h"
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief 32-bit x32 platform
/// \details CRYPTOPP_BOOL_X32 is defined to 1 when building the library
/// for a 32-bit x32 platform. Otherwise, the macro is not defined.
/// \details x32 is sometimes referred to as x86_32. x32 is the ILP32 data
/// model on a 64-bit cpu. Integers, longs and pointers are 32-bit but the
/// program runs on a 64-bit cpu.
/// \details The significance of x32 is, inline assembly must operate on
/// 64-bit registers, not 32-bit registers. That means, for example,
/// function prologues and epilogues must push and pop RSP, not ESP.
/// \note: Clang defines __ILP32__ on any 32-bit platform. Therefore,
/// CRYPTOPP_BOOL_X32 depends upon both __ILP32__ and __x86_64__.
/// \sa <A HREF="https://wiki.debian.org/X32Port">Debian X32 Port</A>,
/// <A HREF="https://wiki.gentoo.org/wiki/Project:Multilib/Concepts">Gentoo
/// Multilib Concepts</A>
#define CRYPTOPP_BOOL_X32 ...
/// \brief 32-bit x86 platform
/// \details CRYPTOPP_BOOL_X64 is defined to 1 when building the library
/// for a 64-bit x64 platform. Otherwise, the macro is not defined.
#define CRYPTOPP_BOOL_X64 ...
/// \brief 32-bit x86 platform
/// \details CRYPTOPP_BOOL_X86 is defined to 1 when building the library
/// for a 32-bit x86 platform. Otherwise, the macro is not defined.
#define CRYPTOPP_BOOL_X86 ...
#elif (defined(__ILP32__) || defined(_ILP32)) && defined(__x86_64__)
#define CRYPTOPP_BOOL_X32 1
#elif (defined(_M_X64) || defined(__x86_64__))
#define CRYPTOPP_BOOL_X64 1
#elif (defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_X86_) || defined(__I86__) || defined(__INTEL__))
#define CRYPTOPP_BOOL_X86 1
#endif
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief ARMv8 platform
/// \details CRYPTOPP_BOOL_ARMV8 is defined to 1 when building the library
/// for an ARMv8 platform. Otherwise, the macro is not defined.
/// \details ARMv8 includes both Aarch32 and Aarch64. Aarch32 is a 32-bit
/// execution environment on Aarch64.
#define CRYPTOPP_BOOL_ARMV8 ...
/// \brief 64-bit ARM platform
/// \details CRYPTOPP_BOOL_ARM64 is defined to 1 when building the library
/// for a 64-bit x64 platform. Otherwise, the macro is not defined.
/// \details Currently the macro indicates an ARM 64-bit architecture.
#define CRYPTOPP_BOOL_ARM64 ...
/// \brief 32-bit ARM platform
/// \details CRYPTOPP_BOOL_ARM32 is defined to 1 when building the library
/// for a 32-bit ARM platform. Otherwise, the macro is not defined.
/// \details Currently the macro indicates an ARM A-32 architecture.
#define CRYPTOPP_BOOL_ARM32 ...
#elif defined(__arm64__) || defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
// Microsoft added ARM64 define December 2017.
#define CRYPTOPP_BOOL_ARMV8 1
#endif
#if defined(__arm64__) || defined(__aarch64__) || defined(_M_ARM64)
#define CRYPTOPP_BOOL_ARM64 1
#elif defined(__arm__) || defined(_M_ARM)
#define CRYPTOPP_BOOL_ARM32 1
#endif
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief 64-bit PowerPC platform
/// \details CRYPTOPP_BOOL_PPC64 is defined to 1 when building the library
/// for a 64-bit PowerPC platform. Otherwise, the macro is not defined.
#define CRYPTOPP_BOOL_PPC64 ...
/// \brief 32-bit PowerPC platform
/// \details CRYPTOPP_BOOL_PPC32 is defined to 1 when building the library
/// for a 32-bit PowerPC platform. Otherwise, the macro is not defined.
#define CRYPTOPP_BOOL_PPC32 ...
#elif defined(__ppc64__) || defined(__powerpc64__) || defined(__PPC64__) || defined(_ARCH_PPC64)
#define CRYPTOPP_BOOL_PPC64 1
#elif defined(__powerpc__) || defined(__ppc__) || defined(__PPC__) || defined(_ARCH_PPC)
#define CRYPTOPP_BOOL_PPC32 1
#endif
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief 64-bit MIPS platform
/// \details CRYPTOPP_BOOL_MIPS64 is defined to 1 when building the library
/// for a 64-bit MIPS platform. Otherwise, the macro is not defined.
#define CRYPTOPP_BOOL_MIPS64 ...
/// \brief 64-bit MIPS platform
/// \details CRYPTOPP_BOOL_MIPS32 is defined to 1 when building the library
/// for a 32-bit MIPS platform. Otherwise, the macro is not defined.
#define CRYPTOPP_BOOL_MIPS32 ...
#elif defined(__mips64__)
#define CRYPTOPP_BOOL_MIPS64 1
#elif defined(__mips__)
#define CRYPTOPP_BOOL_MIPS32 1
#endif
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief 64-bit SPARC platform
/// \details CRYPTOPP_BOOL_SPARC64 is defined to 1 when building the library
/// for a 64-bit SPARC platform. Otherwise, the macro is not defined.
#define CRYPTOPP_BOOL_SPARC64 ...
/// \brief 32-bit SPARC platform
/// \details CRYPTOPP_BOOL_SPARC32 is defined to 1 when building the library
/// for a 32-bit SPARC platform. Otherwise, the macro is not defined.
#define CRYPTOPP_BOOL_SPARC32 ...
#elif defined(__sparc64__) || defined(__sparc64) || defined(__sparcv9) || defined(__sparc_v9__)
#define CRYPTOPP_BOOL_SPARC64 1
#elif defined(__sparc__) || defined(__sparc) || defined(__sparcv8) || defined(__sparc_v8__)
#define CRYPTOPP_BOOL_SPARC32 1
#endif
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief L1 data cache line size
/// \details CRYPTOPP_L1_CACHE_LINE_SIZE should be a lower bound on the L1
/// data cache line size. It is used for defense against some timing attacks.
/// \details CRYPTOPP_L1_CACHE_LINE_SIZE default value on 32-bit platforms
/// is 32, and the default value on 64-bit platforms is 64. On PowerPC the
/// default value is 128 since all PowerPC cpu's starting at PPC 970 provide
/// it.
/// \note The runtime library on some PowerPC platforms misreport the size
/// of the cache line size. The runtime library reports 64, while the cpu
/// has a cache line size of 128.
/// \sa <A HREF="https://bugs.centos.org/view.php?id=14599">CentOS Issue
/// 14599: sysconf(_SC_LEVEL1_DCACHE_LINESIZE) returns 0 instead of 128</A>
/// \since Crypto++ 5.3
#define CRYPTOPP_L1_CACHE_LINE_SIZE ...
#else
#ifndef CRYPTOPP_L1_CACHE_LINE_SIZE
#if defined(CRYPTOPP_BOOL_X32) || defined(CRYPTOPP_BOOL_X64) || defined(CRYPTOPP_BOOL_ARMV8) || \
defined(CRYPTOPP_BOOL_MIPS64) || defined(CRYPTOPP_BOOL_SPARC64)
#define CRYPTOPP_L1_CACHE_LINE_SIZE 64
#elif defined(CRYPTOPP_BOOL_PPC32) || defined(CRYPTOPP_BOOL_PPC64)
// http://lists.llvm.org/pipermail/llvm-dev/2017-March/110982.html
#define CRYPTOPP_L1_CACHE_LINE_SIZE 128
#else
// L1 cache line size is 32 on Pentium III and earlier
#define CRYPTOPP_L1_CACHE_LINE_SIZE 32
#endif
#endif
#endif
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief Initialized data section
/// \details CRYPTOPP_SECTION_INIT is added to variables to place them in the
/// initialized data section (sometimes denoted <tt>.data</tt>). The placement
/// helps avoid "uninitialized variable" warnings from Valgrind and other tools.
#define CRYPTOPP_SECTION_INIT ...
#else
// The section attribute attempts to initialize CPU flags to avoid Valgrind findings above -O1
#if ((defined(__MACH__) && defined(__APPLE__)) && ((CRYPTOPP_LLVM_CLANG_VERSION >= 30600) || \
(CRYPTOPP_APPLE_CLANG_VERSION >= 70100) || (CRYPTOPP_GCC_VERSION >= 40300)))
#define CRYPTOPP_SECTION_INIT __attribute__((section ("__DATA,__data")))
#elif (defined(__ELF__) && (CRYPTOPP_GCC_VERSION >= 40300))
#define CRYPTOPP_SECTION_INIT __attribute__((section ("nocommon")))
#elif defined(__ELF__) && (defined(__xlC__) || defined(__ibmxl__))
#define CRYPTOPP_SECTION_INIT __attribute__((section ("nocommon")))
#else
#define CRYPTOPP_SECTION_INIT
#endif
#endif
// How to disable CPU feature probing. We determine machine
// capabilities by performing an os/platform *query* first,
// like getauxv(). If the *query* fails, we move onto a
// cpu *probe*. The cpu *probe* tries to exeute an instruction
// and then catches a SIGILL on Linux or the exception
// EXCEPTION_ILLEGAL_INSTRUCTION on Windows. Some OSes
// fail to hangle a SIGILL gracefully, like Apple OSes. Apple
// machines corrupt memory and variables around the probe.
#if defined(__APPLE__)
#define CRYPTOPP_NO_CPU_FEATURE_PROBES 1
#endif
// Flavor of inline assembly language
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief Microsoft style inline assembly
/// \details CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY is defined when either
/// <tt>_MSC_VER</tt> or <tt>__BORLANDC__</tt> are defined.
#define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY ...
/// \brief GNU style inline assembly
/// \details CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY is defined when neither
/// <tt>_MSC_VER</tt> nor <tt>__BORLANDC__</tt> are defined.
#define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY ...
#elif defined(CRYPTOPP_MSC_VERSION) || defined(__BORLANDC__) || \
defined(CRYPTOPP_MSVC_CLANG_VERSION)
#define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY 1
#else
#define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY 1
#endif
#endif // CRYPTOPP_CONFIG_CPU_H

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// config_cxx.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_cxx.h
/// \brief Library configuration file
/// \details <tt>config_cxx.h</tt> provides defines for C++ language and
/// runtime library
/// features.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_cxx.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
// Visual Studio began at VS2010, http://msdn.microsoft.com/en-us/library/hh567368%28v=vs.110%29.aspx
// and https://docs.microsoft.com/en-us/cpp/visual-cpp-language-conformance
// Intel, http://software.intel.com/en-us/articles/c0x-features-supported-by-intel-c-compiler
// GCC, http://gcc.gnu.org/projects/cxx0x.html
// Clang, http://clang.llvm.org/cxx_status.html
#ifndef CRYPTOPP_CONFIG_CXX_H
#define CRYPTOPP_CONFIG_CXX_H
#include "config_os.h"
#include "config_cpu.h"
#include "config_ver.h"
// https://github.com/weidai11/cryptopp/issues/960
#include <string>
#include <exception>
// You may need to force include a C++ header on Android when using STLPort
// to ensure _STLPORT_VERSION is defined
#if (defined(CRYPTOPP_MSC_VERSION) && CRYPTOPP_MSC_VERSION <= 1300) || \
defined(__MWERKS__) || \
(defined(_STLPORT_VERSION) && ((_STLPORT_VERSION < 0x450) || defined(_STLP_NO_UNCAUGHT_EXCEPT_SUPPORT)) || \
(__cplusplus >= 202002L))
#define CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
#endif
// Ancient Crypto++ define, dating back to C++98.
#ifndef CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
# define CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE 1
# define CRYPTOPP_CXX98_UNCAUGHT_EXCEPTION 1
#endif
// Compatibility with non-clang compilers.
#ifndef __has_feature
# define __has_feature(x) 0
#endif
// C++11 macro version, https://stackoverflow.com/q/7223991/608639
#if ((CRYPTOPP_MSC_VERSION >= 1600) || (__cplusplus >= 201103L)) && !defined(_STLPORT_VERSION)
# define CRYPTOPP_CXX11 1
#endif
// Hack ahead. Apple's standard library does not have C++'s unique_ptr in C++11.
// We can't test for unique_ptr directly because some of the non-Apple Clangs
// on OS X fail the same way. However, modern standard libraries have
// <forward_list>, so we test for it instead. Thanks to Jonathan Wakely for
// devising the clever test for modern/ancient versions. TODO: test under
// Xcode 3, where g++ is really g++.
#if defined(__APPLE__) && defined(__clang__)
# if !(defined(__has_include) && __has_include(<forward_list>))
# undef CRYPTOPP_CXX11
# endif
#endif
// C++14 macro version, https://stackoverflow.com/q/26089319/608639
#if defined(CRYPTOPP_CXX11) && !defined(CRYPTOPP_NO_CXX14)
# if ((CRYPTOPP_MSC_VERSION >= 1900) || (__cplusplus >= 201402L)) && !defined(_STLPORT_VERSION)
# define CRYPTOPP_CXX14 1
# endif
#endif
// C++17 macro version, https://stackoverflow.com/q/38456127/608639
#if defined(CRYPTOPP_CXX14) && !defined(CRYPTOPP_NO_CXX17)
# if ((CRYPTOPP_MSC_VERSION >= 1900) || (__cplusplus >= 201703L)) && !defined(_STLPORT_VERSION)
# define CRYPTOPP_CXX17 1
# endif
#endif
// ***************** C++11 and above ********************
#if defined(CRYPTOPP_CXX11)
// atomics: MS at VS2012 (17.00); GCC at 4.4; Clang at 3.1/3.2; Intel 13.0; SunCC 5.14.
#if (CRYPTOPP_MSC_VERSION >= 1700) || __has_feature(cxx_atomic) || \
(__INTEL_COMPILER >= 1300) || (CRYPTOPP_GCC_VERSION >= 40400) || (__SUNPRO_CC >= 0x5140)
# define CRYPTOPP_CXX11_ATOMIC 1
#endif // atomics
// synchronization: MS at VS2012 (17.00); GCC at 4.4; Clang at 3.3; Xcode 5.0; Intel 12.0; SunCC 5.13.
// TODO: verify Clang and Intel versions; find __has_feature(x) extension for Clang
#if (CRYPTOPP_MSC_VERSION >= 1700) || (CRYPTOPP_LLVM_CLANG_VERSION >= 30300) || \
(CRYPTOPP_APPLE_CLANG_VERSION >= 50000) || (__INTEL_COMPILER >= 1200) || \
(CRYPTOPP_GCC_VERSION >= 40400) || (__SUNPRO_CC >= 0x5130)
// Hack ahead. New GCC compilers like GCC 6 on AIX 7.0 or earlier as well as original MinGW
// don't have the synchronization gear. However, Wakely's test used for Apple does not work
// on the GCC/AIX combination. Another twist is we need other stuff from C++11,
// like no-except destructors. Dumping preprocessors shows the following may
// apply: http://stackoverflow.com/q/14191566/608639.
# include <cstddef>
# if !defined(__GLIBCXX__) || defined(_GLIBCXX_HAS_GTHREADS)
# define CRYPTOPP_CXX11_SYNCHRONIZATION 1
# endif
#endif // synchronization
// Dynamic Initialization and Destruction with Concurrency ("Magic Statics")
// MS at VS2015 with Vista (19.00); GCC at 4.3; LLVM Clang at 2.9; Apple Clang at 4.0; Intel 11.1; SunCC 5.13.
// Microsoft's implementation only works for Vista and above, so its further
// limited. http://connect.microsoft.com/VisualStudio/feedback/details/1789709
// Clang may not support this as early as we indicate. Also see https://bugs.llvm.org/show_bug.cgi?id=47012.
#if (__cpp_threadsafe_static_init >= 200806) || \
(CRYPTOPP_MSC_VERSION >= 1900) && ((WINVER >= 0x0600) || (_WIN32_WINNT >= 0x0600)) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 20900) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40000) || \
(__INTEL_COMPILER >= 1110) || (CRYPTOPP_GCC_VERSION >= 40300) || (__SUNPRO_CC >= 0x5130)
# define CRYPTOPP_CXX11_STATIC_INIT 1
#endif // Dynamic Initialization compilers
// deleted functions: MS at VS2013 (18.00); GCC at 4.3; Clang at 2.9; Intel 12.1; SunCC 5.13.
#if (CRYPTOPP_MSC_VERSION >= 1800) || (CRYPTOPP_LLVM_CLANG_VERSION >= 20900) || \
(CRYPTOPP_APPLE_CLANG_VERSION >= 40000) || (__INTEL_COMPILER >= 1210) || \
(CRYPTOPP_GCC_VERSION >= 40300) || (__SUNPRO_CC >= 0x5130)
# define CRYPTOPP_CXX11_DELETED_FUNCTIONS 1
#endif // deleted functions
// alignof/alignas: MS at VS2015 (19.00); GCC at 4.8; Clang at 3.0; Intel 15.0; SunCC 5.13.
#if (CRYPTOPP_MSC_VERSION >= 1900) || __has_feature(cxx_alignas) || \
(__INTEL_COMPILER >= 1500) || (CRYPTOPP_GCC_VERSION >= 40800) || (__SUNPRO_CC >= 0x5130)
# define CRYPTOPP_CXX11_ALIGNAS 1
#endif // alignas
// alignof: MS at VS2015 (19.00); GCC at 4.5; Clang at 2.9; Intel 15.0; SunCC 5.13.
#if (CRYPTOPP_MSC_VERSION >= 1900) || __has_feature(cxx_alignof) || \
(__INTEL_COMPILER >= 1500) || (CRYPTOPP_GCC_VERSION >= 40500) || (__SUNPRO_CC >= 0x5130)
# define CRYPTOPP_CXX11_ALIGNOF 1
#endif // alignof
// initializer lists: MS at VS2013 (18.00); GCC at 4.4; Clang at 3.1; Intel 14.0; SunCC 5.13.
#if (CRYPTOPP_MSC_VERSION >= 1800) || (CRYPTOPP_LLVM_CLANG_VERSION >= 30100) || \
(CRYPTOPP_APPLE_CLANG_VERSION >= 40000) || (__INTEL_COMPILER >= 1400) || \
(CRYPTOPP_GCC_VERSION >= 40400) || (__SUNPRO_CC >= 0x5130)
# define CRYPTOPP_CXX11_INITIALIZER_LIST 1
#endif // alignas
// lambdas: MS at VS2012 (17.00); GCC at 4.9; Clang at 3.3; Intel 12.0; SunCC 5.14.
#if (CRYPTOPP_MSC_VERSION >= 1700) || __has_feature(cxx_lambdas) || \
(__INTEL_COMPILER >= 1200) || (CRYPTOPP_GCC_VERSION >= 40900) || (__SUNPRO_CC >= 0x5140)
# define CRYPTOPP_CXX11_LAMBDA 1
#endif // lambdas
// noexcept: MS at VS2015 (19.00); GCC at 4.6; Clang at 3.0; Intel 14.0; SunCC 5.13.
#if (CRYPTOPP_MSC_VERSION >= 1900) || __has_feature(cxx_noexcept) || \
(__INTEL_COMPILER >= 1400) || (CRYPTOPP_GCC_VERSION >= 40600) || (__SUNPRO_CC >= 0x5130)
# define CRYPTOPP_CXX11_NOEXCEPT 1
#endif // noexcept compilers
// variadic templates: MS at VS2013 (18.00); GCC at 4.3; Clang at 2.9; Intel 12.1; SunCC 5.13.
#if (__cpp_variadic_templates >= 200704) || __has_feature(cxx_variadic_templates) || \
(CRYPTOPP_MSC_VERSION >= 1800) || (__INTEL_COMPILER >= 1210) || \
(CRYPTOPP_GCC_VERSION >= 40300) || (__SUNPRO_CC >= 0x5130)
# define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
#endif // variadic templates
// constexpr: MS at VS2015 (19.00); GCC at 4.6; Clang at 3.1; Intel 16.0; SunCC 5.13.
// Intel has mis-supported the feature since at least ICPC 13.00
#if (__cpp_constexpr >= 200704) || __has_feature(cxx_constexpr) || \
(CRYPTOPP_MSC_VERSION >= 1900) || (__INTEL_COMPILER >= 1600) || \
(CRYPTOPP_GCC_VERSION >= 40600) || (__SUNPRO_CC >= 0x5130)
# define CRYPTOPP_CXX11_CONSTEXPR 1
#endif // constexpr compilers
// strong typed enums: MS at VS2012 (17.00); GCC at 4.4; Clang at 3.3; Intel 14.0; SunCC 5.12.
// Mircorosft and Intel had partial support earlier, but we require full support.
#if (CRYPTOPP_MSC_VERSION >= 1700) || __has_feature(cxx_strong_enums) || \
(__INTEL_COMPILER >= 1400) || (CRYPTOPP_GCC_VERSION >= 40400) || (__SUNPRO_CC >= 0x5120)
# define CRYPTOPP_CXX11_STRONG_ENUM 1
#endif // constexpr compilers
// nullptr_t: MS at VS2010 (16.00); GCC at 4.6; Clang at 3.3; Intel 10.0; SunCC 5.13.
#if (CRYPTOPP_MSC_VERSION >= 1600) || __has_feature(cxx_nullptr) || \
(__INTEL_COMPILER >= 1000) || (CRYPTOPP_GCC_VERSION >= 40600) || \
(__SUNPRO_CC >= 0x5130) || defined(__IBMCPP_NULLPTR)
# define CRYPTOPP_CXX11_NULLPTR 1
#endif // nullptr_t compilers
#endif // CRYPTOPP_CXX11
// ***************** C++14 and above ********************
#if defined(CRYPTOPP_CXX14)
// Extended static_assert with one argument
// Microsoft cannot handle the single argument static_assert as of VS2019 (cl.exe 19.00)
#if (__cpp_static_assert >= 201411)
# define CRYPTOPP_CXX17_STATIC_ASSERT 1
#endif // static_assert
#endif
// ***************** C++17 and above ********************
// C++17 is available
#if defined(CRYPTOPP_CXX17)
// C++17 uncaught_exceptions: MS at VS2015 (19.00); GCC at 6.0; Clang at 3.5; Intel 18.0.
// Clang and __EXCEPTIONS see http://releases.llvm.org/3.6.0/tools/clang/docs/ReleaseNotes.html
// Also see https://github.com/weidai11/cryptopp/issues/980. I'm not sure what
// to do when the compiler defines __cpp_lib_uncaught_exceptions but the platform
// does not support std::uncaught_exceptions. What was Apple thinking???
#if defined(__clang__)
# if __EXCEPTIONS && __has_feature(cxx_exceptions)
# if __cpp_lib_uncaught_exceptions >= 201411L
# define CRYPTOPP_CXX17_UNCAUGHT_EXCEPTIONS 1
# endif
# endif
#elif (CRYPTOPP_MSC_VERSION >= 1900) || (__INTEL_COMPILER >= 1800) || \
(CRYPTOPP_GCC_VERSION >= 60000) || (__cpp_lib_uncaught_exceptions >= 201411L)
# define CRYPTOPP_CXX17_UNCAUGHT_EXCEPTIONS 1
#endif // uncaught_exceptions compilers
#endif // CRYPTOPP_CXX17
// ***************** C++ fixups ********************
#if defined(CRYPTOPP_CXX11_NOEXCEPT)
# define CRYPTOPP_THROW noexcept(false)
# define CRYPTOPP_NO_THROW noexcept(true)
#else
# define CRYPTOPP_THROW
# define CRYPTOPP_NO_THROW
#endif // CRYPTOPP_CXX11_NOEXCEPT
// Hack... C++11 nullptr_t type safety and analysis
#if defined(CRYPTOPP_CXX11_NULLPTR) && !defined(NULLPTR)
# define NULLPTR nullptr
#elif !defined(NULLPTR)
# define NULLPTR NULL
#endif // CRYPTOPP_CXX11_NULLPTR
#endif // CRYPTOPP_CONFIG_CXX_H

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// config_dll.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_dll.h
/// \brief Library configuration file
/// \details <tt>config_dll.h</tt> provides defines for shared objects and
/// dynamic libraries. Generally speaking the macros are used to export
/// classes and template classes from the Win32 dynamic link library.
/// When not building the Win32 dynamic link library they are mostly an extern
/// template declaration.
/// \details In practice they are a furball coughed up by a cat and then peed
/// on by a dog. They are awful to get just right because of inconsistent
/// compiler support for extern templates, manual instantiation and the FIPS DLL.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_dll.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Visual_Studio">Visual Studio</A>,
/// and <A HREF="https://www.cryptopp.com/wiki/FIPS_DLL">FIPS DLL</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_DLL_H
#define CRYPTOPP_CONFIG_DLL_H
#include "config_os.h"
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief Win32 define for dynamic link libraries
/// \details CRYPTOPP_IMPORTS is set in the Visual Studio project files.
/// When the macro is set, <tt>CRYPTOPP_DLL</tt> is defined to
/// <tt>__declspec(dllimport)</tt>.
/// \details This macro has no effect on Unix &amp; Linux.
/// \sa <A HREF="https://www.cryptopp.com/wiki/Visual_Studio">Visual Studio</A>,
/// and <A HREF="https://www.cryptopp.com/wiki/FIPS_DLL">FIPS DLL</A>
/// on the Crypto++ wiki
#define CRYPTOPP_IMPORTS ...
/// \brief Win32 define for dynamic link libraries
/// \details CRYPTOPP_EXPORTS is set in the Visual Studio project files.
/// When the macro is set, <tt>CRYPTOPP_DLL</tt> is defined to
/// <tt>__declspec(dllexport)</tt>.
/// \details This macro has no effect on Unix &amp; Linux.
/// \sa <A HREF="https://www.cryptopp.com/wiki/Visual_Studio">Visual Studio</A>,
/// and <A HREF="https://www.cryptopp.com/wiki/FIPS_DLL">FIPS DLL</A>
/// on the Crypto++ wiki
#define CRYPTOPP_EXPORTS ...
/// \brief Win32 define for dynamic link libraries
/// \details CRYPTOPP_IS_DLL is set in the Visual Studio project files.
/// \sa <A HREF="https://www.cryptopp.com/wiki/Visual_Studio">Visual Studio</A>,
/// and <A HREF="https://www.cryptopp.com/wiki/FIPS_DLL">FIPS DLL</A>
/// on the Crypto++ wiki
#define CRYPTOPP_IS_DLL
/// \brief Instantiate templates in a dynamic library
/// \details CRYPTOPP_DLL_TEMPLATE_CLASS decoration should be used
/// for classes intended to be exported from dynamic link libraries.
/// \details This macro is primarily used on Win32, but sees some
/// action on Unix &amp; Linux due to the source file <tt>dll.cpp</tt>.
/// \sa <A HREF="https://www.cryptopp.com/wiki/Visual_Studio">Visual Studio</A>,
/// and <A HREF="https://www.cryptopp.com/wiki/FIPS_DLL">FIPS DLL</A>
/// on the Crypto++ wiki
#define CRYPTOPP_DLL_TEMPLATE_CLASS ...
/// \brief Instantiate templates in a dynamic library
/// \details CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS decoration should be used
/// for template classes intended to be exported from dynamic link libraries.
/// \details This macro is primarily used on Win32, but sees some
/// action on Unix &amp; Linux due to the source file <tt>dll.cpp</tt>.
/// \sa <A HREF="https://www.cryptopp.com/wiki/Visual_Studio">Visual Studio</A>,
/// and <A HREF="https://www.cryptopp.com/wiki/FIPS_DLL">FIPS DLL</A>
/// on the Crypto++ wiki
#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS ...
/// \brief Instantiate templates in a dynamic library
/// \details CRYPTOPP_STATIC_TEMPLATE_CLASS decoration should be used
/// for template classes intended to be exported from dynamic link libraries.
/// \details This macro is primarily used on Win32, but sees some
/// action on Unix &amp; Linux due to the source file <tt>dll.cpp</tt>.
/// \sa <A HREF="https://www.cryptopp.com/wiki/Visual_Studio">Visual Studio</A>,
/// and <A HREF="https://www.cryptopp.com/wiki/FIPS_DLL">FIPS DLL</A>
/// on the Crypto++ wiki
#define CRYPTOPP_STATIC_TEMPLATE_CLASS ...
/// \brief Instantiate templates in a dynamic library
/// \details CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS decoration should be used
/// for template classes intended to be exported from dynamic link libraries.
/// \details This macro is primarily used on Win32, but sees some
/// action on Unix &amp; Linux due to the source file <tt>dll.cpp</tt>.
/// \sa <A HREF="https://www.cryptopp.com/wiki/Visual_Studio">Visual Studio</A>,
/// and <A HREF="https://www.cryptopp.com/wiki/FIPS_DLL">FIPS DLL</A>
/// on the Crypto++ wiki
#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS ...
/// \brief Override for internal linkage
/// \details CRYPTOPP_TABLE can be used to override internal linkage
/// on tables with the <tt>const</tt> qualifier. According to C++ rules
/// a declaration with <tt>const</tt> qualifier is internal linkage.
/// \note The name CRYPTOPP_TABLE was chosen because it is often used to
/// export a table, like AES or SHA constants. The name avoids collisions
/// with the DLL gear macros, like CRYPTOPP_EXPORTS and CRYPTOPP_EXTERN.
#define CRYPTOPP_TABLE extern
/// \brief Win32 calling convention
/// \details CRYPTOPP_API sets the calling convention on Win32.
/// On Win32 CRYPTOPP_API is <tt>__cedcl</tt>. On Unix &amp; Linux
/// CRYPTOPP_API is defined to nothing.
/// \sa <A HREF="https://www.cryptopp.com/wiki/Visual_Studio">Visual Studio</A>
/// on the Crypto++ wiki
#define CRYPTOPP_API ...
#else // CRYPTOPP_DOXYGEN_PROCESSING
#if defined(CRYPTOPP_WIN32_AVAILABLE)
#if defined(CRYPTOPP_EXPORTS)
# define CRYPTOPP_IS_DLL
# define CRYPTOPP_DLL __declspec(dllexport)
#elif defined(CRYPTOPP_IMPORTS)
# define CRYPTOPP_IS_DLL
# define CRYPTOPP_DLL __declspec(dllimport)
#else
# define CRYPTOPP_DLL
#endif
// C++ makes const internal linkage
#define CRYPTOPP_TABLE extern
#define CRYPTOPP_API __cdecl
#else // not CRYPTOPP_WIN32_AVAILABLE
// C++ makes const internal linkage
#define CRYPTOPP_TABLE extern
#define CRYPTOPP_DLL
#define CRYPTOPP_API
#endif // CRYPTOPP_WIN32_AVAILABLE
#if defined(__MWERKS__)
# define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern class CRYPTOPP_DLL
#elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
# define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
#else
# define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern template class CRYPTOPP_DLL
#endif
#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_IMPORTS)
# define CRYPTOPP_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
#else
# define CRYPTOPP_DLL_TEMPLATE_CLASS CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS
#endif
#if defined(__MWERKS__)
# define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern class
#elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
# define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS template class
#else
# define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern template class
#endif
#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_EXPORTS)
# define CRYPTOPP_STATIC_TEMPLATE_CLASS template class
#else
# define CRYPTOPP_STATIC_TEMPLATE_CLASS CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS
#endif
#endif // CRYPTOPP_DOXYGEN_PROCESSING
#endif // CRYPTOPP_CONFIG_DLL_H

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// config_int.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_int.h
/// \brief Library configuration file
/// \details <tt>config_int.h</tt> provides defines and typedefs for fixed
/// size integers. The library's choices for fixed size integers predates other
/// standard-based integers by about 5 years. After fixed sizes were
/// made standard, the library continued to use its own definitions for
/// compatibility with previous versions of the library.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_int.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_INT_H
#define CRYPTOPP_CONFIG_INT_H
#include "config_ns.h"
#include "config_ver.h"
#include "config_misc.h"
// C5264 new for VS2022/v17.4, MSC v17.3.4
// https://github.com/weidai11/cryptopp/issues/1185
#if (CRYPTOPP_MSC_VERSION)
# pragma warning(push)
# if (CRYPTOPP_MSC_VERSION >= 1933)
# pragma warning(disable: 5264)
# endif
#endif
/// \brief Library byte guard
/// \details CRYPTOPP_NO_GLOBAL_BYTE indicates <tt>byte</tt> is in the Crypto++
/// namespace.
/// \details The Crypto++ <tt>byte</tt> was originally in global namespace to avoid
/// ambiguity with other byte typedefs. <tt>byte</tt> was moved to CryptoPP namespace
/// at Crypto++ 6.0 due to C++17, <tt>std::byte</tt> and potential compile problems.
/// \sa <A HREF="http://github.com/weidai11/cryptopp/issues/442">Issue 442</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">std::byte</A> on the
/// Crypto++ wiki
/// \since Crypto++ 6.0
#define CRYPTOPP_NO_GLOBAL_BYTE 1
NAMESPACE_BEGIN(CryptoPP)
// Signed words added at Issue 609 for early versions of and Visual Studio and
// the NaCl gear. Also see https://github.com/weidai11/cryptopp/issues/609.
/// \brief 8-bit unsigned datatype
/// \details The Crypto++ <tt>byte</tt> was originally in global namespace to avoid
/// ambiguity with other byte typedefs. <tt>byte</tt> was moved to CryptoPP namespace
/// at Crypto++ 6.0 due to C++17, <tt>std::byte</tt> and potential compile problems.
/// \sa CRYPTOPP_NO_GLOBAL_BYTE, <A HREF="http://github.com/weidai11/cryptopp/issues/442">Issue 442</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">std::byte</A> on the
/// Crypto++ wiki
/// \since Crypto++ 1.0, CryptoPP namespace since Crypto++ 6.0
typedef unsigned char byte;
/// \brief 16-bit unsigned datatype
/// \since Crypto++ 1.0
typedef unsigned short word16;
/// \brief 32-bit unsigned datatype
/// \since Crypto++ 1.0
typedef unsigned int word32;
/// \brief 8-bit signed datatype
/// \details The 8-bit signed datatype was added to support constant time
/// implementations for curve25519, X25519 key agreement and ed25519
/// signatures.
/// \since Crypto++ 8.0
typedef signed char sbyte;
/// \brief 16-bit signed datatype
/// \details The 32-bit signed datatype was added to support constant time
/// implementations for curve25519, X25519 key agreement and ed25519
/// signatures.
/// \since Crypto++ 8.0
typedef signed short sword16;
/// \brief 32-bit signed datatype
/// \details The 32-bit signed datatype was added to support constant time
/// implementations for curve25519, X25519 key agreement and ed25519
/// signatures.
/// \since Crypto++ 8.0
typedef signed int sword32;
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief 64-bit unsigned datatype
/// \details The typedef for <tt>word64</tt> varies depending on the platform.
/// On Microsoft platforms it is <tt>unsigned __int64</tt>. On Unix &amp; Linux
/// with LP64 data model it is <tt>unsigned long</tt>. On Unix &amp; Linux with ILP32
/// data model it is <tt>unsigned long long</tt>.
/// \since Crypto++ 1.0
typedef unsigned long long word64;
/// \brief 64-bit signed datatype
/// \details The typedef for <tt>sword64</tt> varies depending on the platform.
/// On Microsoft platforms it is <tt>signed __int64</tt>. On Unix &amp; Linux
/// with LP64 data model it is <tt>signed long</tt>. On Unix &amp; Linux with ILP32
/// data model it is <tt>signed long long</tt>.
/// \since Crypto++ 8.0
typedef signed long long sword64;
/// \brief 128-bit unsigned datatype
/// \details The typedef for <tt>word128</tt> varies depending on the platform.
/// <tt>word128</tt> is only available on 64-bit machines when
/// <tt>CRYPTOPP_WORD128_AVAILABLE</tt> is defined.
/// On Unix &amp; Linux with LP64 data model it is <tt>__uint128_t</tt>.
/// Microsoft platforms do not provide a 128-bit integer type. 32-bit platforms
/// do not provide a 128-bit integer type.
/// \since Crypto++ 5.6
typedef __uint128_t word128;
/// \brief Declare an unsigned word64
/// \details W64LIT is used to portability declare or assign 64-bit literal values.
/// W64LIT will append the proper suffix to ensure the compiler accepts the literal.
/// \details Use the macro like shown below.
/// <pre>
/// word64 x = W64LIT(0xffffffffffffffff);
/// </pre>
/// \since Crypto++ 1.0
#define W64LIT(x) ...
/// \brief Declare a signed word64
/// \details SW64LIT is used to portability declare or assign 64-bit literal values.
/// SW64LIT will append the proper suffix to ensure the compiler accepts the literal.
/// \details Use the macro like shown below.
/// <pre>
/// sword64 x = SW64LIT(0xffffffffffffffff);
/// </pre>
/// \since Crypto++ 8.0
#define SW64LIT(x) ...
/// \brief Declare ops on word64 are slow
/// \details CRYPTOPP_BOOL_SLOW_WORD64 is typically defined to 1 on platforms
/// that have a machine word smaller than 64-bits. That is, the define
/// is present on 32-bit platforms. The define is also present on platforms
/// where the cpu is slow even with a 64-bit cpu.
#define CRYPTOPP_BOOL_SLOW_WORD64 ...
#elif defined(CRYPTOPP_MSC_VERSION) || defined(__BORLANDC__)
typedef signed __int64 sword64;
typedef unsigned __int64 word64;
#define SW64LIT(x) x##i64
#define W64LIT(x) x##ui64
#elif (_LP64 || __LP64__)
typedef signed long sword64;
typedef unsigned long word64;
#define SW64LIT(x) x##L
#define W64LIT(x) x##UL
#else
typedef signed long long sword64;
typedef unsigned long long word64;
#define SW64LIT(x) x##LL
#define W64LIT(x) x##ULL
#endif
/// \brief Large word type
/// \details lword is a typedef for large word types. It is used for file
/// offsets and such.
typedef word64 lword;
/// \brief Large word type max value
/// \details LWORD_MAX is the maximum value for large word types.
/// Since an <tt>lword</tt> is an unsigned type, the value is
/// <tt>0xffffffffffffffff</tt>. W64LIT will append the proper suffix.
CRYPTOPP_CONST_OR_CONSTEXPR lword LWORD_MAX = W64LIT(0xffffffffffffffff);
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief Half word used for multiprecision integer arithmetic
/// \details hword is used for multiprecision integer arithmetic.
/// The typedef for <tt>hword</tt> varies depending on the platform.
/// On 32-bit platforms it is usually <tt>word16</tt>. On 64-bit platforms
/// it is usually <tt>word32</tt>.
/// \details Library users typically use byte, word16, word32 and word64.
/// \since Crypto++ 2.0
typedef word32 hword;
/// \brief Full word used for multiprecision integer arithmetic
/// \details word is used for multiprecision integer arithmetic.
/// The typedef for <tt>word</tt> varies depending on the platform.
/// On 32-bit platforms it is usually <tt>word32</tt>. On 64-bit platforms
/// it is usually <tt>word64</tt>.
/// \details Library users typically use byte, word16, word32 and word64.
/// \since Crypto++ 2.0
typedef word64 word;
/// \brief Double word used for multiprecision integer arithmetic
/// \details dword is used for multiprecision integer arithmetic.
/// The typedef for <tt>dword</tt> varies depending on the platform.
/// On 32-bit platforms it is usually <tt>word64</tt>. On 64-bit Unix &amp;
/// Linux platforms it is usually <tt>word128</tt>. <tt>word128</tt> is
/// not available on Microsoft platforms. <tt>word128</tt> is only available
/// when <tt>CRYPTOPP_WORD128_AVAILABLE</tt> is defined.
/// \details Library users typically use byte, word16, word32 and word64.
/// \sa CRYPTOPP_WORD128_AVAILABLE
/// \since Crypto++ 2.0
typedef word128 dword;
/// \brief 128-bit word availability
/// \details CRYPTOPP_WORD128_AVAILABLE indicates a 128-bit word is
/// available from the platform. 128-bit words are usually available on
/// 64-bit platforms, but not available 32-bit platforms.
/// \details If CRYPTOPP_WORD128_AVAILABLE is not defined, then 128-bit
/// words are not available.
/// \details GCC and compatible compilers signal 128-bit word availability
/// with the preporcessor macro <tt>__SIZEOF_INT128__ >= 16</tt>.
/// \since Crypto++ 2.0
#define CRYPTOPP_WORD128_AVAILABLE ...
#else
// define hword, word, and dword. these are used for multiprecision integer arithmetic
// Intel compiler won't have _umul128 until version 10.0. See http://softwarecommunity.intel.com/isn/Community/en-US/forums/thread/30231625.aspx
#if (defined(CRYPTOPP_MSC_VERSION) && (!defined(__INTEL_COMPILER) || __INTEL_COMPILER >= 1000) && (defined(_M_X64) || defined(_M_IA64))) || (defined(__DECCXX) && defined(__alpha__)) || (defined(__INTEL_COMPILER) && defined(__x86_64__)) || (defined(__SUNPRO_CC) && defined(__x86_64__))
typedef word32 hword;
typedef word64 word;
#else
#define CRYPTOPP_NATIVE_DWORD_AVAILABLE 1
#if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__) || defined(__aarch64__)
#if ((CRYPTOPP_GCC_VERSION >= 30400) || (CRYPTOPP_LLVM_CLANG_VERSION >= 30000) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300)) && (__SIZEOF_INT128__ >= 16)
// GCC 4.0.1 on MacOS X is missing __umodti3 and __udivti3
// GCC 4.8.3 and bad uint128_t ops on PPC64/POWER7 (Issue 421)
// mode(TI) division broken on amd64 with GCC earlier than GCC 3.4
typedef word32 hword;
typedef word64 word;
typedef __uint128_t dword;
typedef __uint128_t word128;
#define CRYPTOPP_WORD128_AVAILABLE 1
#else
// if we're here, it means we're on a 64-bit CPU but we don't have a way to obtain 128-bit multiplication results
typedef word16 hword;
typedef word32 word;
typedef word64 dword;
#endif
#else
// being here means the native register size is probably 32 bits or less
#define CRYPTOPP_BOOL_SLOW_WORD64 1
typedef word16 hword;
typedef word32 word;
typedef word64 dword;
#endif
#endif
#endif
#ifndef CRYPTOPP_BOOL_SLOW_WORD64
# define CRYPTOPP_BOOL_SLOW_WORD64 0
#endif
/// \brief Size of a platform word in bytes
/// \details The size of a platform word, in bytes
CRYPTOPP_CONST_OR_CONSTEXPR unsigned int WORD_SIZE = sizeof(word);
/// \brief Size of a platform word in bits
/// \details The size of a platform word, in bits
/// \sa https://github.com/weidai11/cryptopp/issues/1185
CRYPTOPP_CONST_OR_CONSTEXPR unsigned int WORD_BITS = WORD_SIZE * 8;
NAMESPACE_END
#if (CRYPTOPP_MSC_VERSION)
# pragma warning(pop)
#endif
#endif // CRYPTOPP_CONFIG_INT_H

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// config_misc.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_misc.h
/// \brief Library configuration file
/// \details <tt>config_misc.h</tt> provides miscellaneous defines.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_misc.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_MISC_H
#define CRYPTOPP_CONFIG_MISC_H
#include "config_asm.h"
#include "config_cxx.h"
#include "config_os.h"
#include "config_ver.h"
// Define this if running on a big-endian CPU
// big endian will be assumed if CRYPTOPP_LITTLE_ENDIAN is not non-0
#if !defined(CRYPTOPP_LITTLE_ENDIAN) && !defined(CRYPTOPP_BIG_ENDIAN) && (defined(__BIG_ENDIAN__) || (defined(__s390__) || defined(__s390x__) || defined(__zarch__)) || (defined(__m68k__) || defined(__MC68K__)) || defined(__sparc) || defined(__sparc__) || defined(__hppa__) || defined(__MIPSEB__) || defined(__ARMEB__) || (defined(__MWERKS__) && !defined(__INTEL__)))
# define CRYPTOPP_BIG_ENDIAN 1
#endif
// Define this if running on a little-endian CPU
// big endian will be assumed if CRYPTOPP_LITTLE_ENDIAN is not non-0
#if !defined(CRYPTOPP_BIG_ENDIAN) && !defined(CRYPTOPP_LITTLE_ENDIAN)
# define CRYPTOPP_LITTLE_ENDIAN 1
#endif
// Define this if you want to set a prefix for TestData/ and TestVectors/
// Be sure to add the trailing slash since its simple concatenation.
// After https://github.com/weidai11/cryptopp/issues/760 the library
// should find the test vectors and data without much effort. It
// will search in "./" and "$ORIGIN/../share/cryptopp" automatically.
#ifndef CRYPTOPP_DATA_DIR
# define CRYPTOPP_DATA_DIR ""
#endif
// Define this to disable the test suite from searching for test
// vectors and data in "./" and "$ORIGIN/../share/cryptopp". The
// library will still search in CRYPTOPP_DATA_DIR, regardless.
// Some distros may want to disable this feature. Also see
// https://github.com/weidai11/cryptopp/issues/760
// #ifndef CRYPTOPP_DISABLE_DATA_DIR_SEARCH
// # define CRYPTOPP_DISABLE_DATA_DIR_SEARCH
// #endif
// Define this if you want or need the library's memcpy_s and memmove_s.
// See http://github.com/weidai11/cryptopp/issues/28.
// #if !defined(CRYPTOPP_WANT_SECURE_LIB)
// # define CRYPTOPP_WANT_SECURE_LIB
// #endif
// Define this if ARMv8 shifts are slow. ARM Cortex-A53 and Cortex-A57 shift
// operation perform poorly, so NEON and ASIMD code that relies on shifts
// or rotates often performs worse than C/C++ code. Also see
// http://github.com/weidai11/cryptopp/issues/367.
#define CRYPTOPP_SLOW_ARMV8_SHIFT 1
// CRYPTOPP_DEBUG enables the library's CRYPTOPP_ASSERT. CRYPTOPP_ASSERT
// raises a SIGTRAP (Unix) or calls DebugBreak() (Windows). CRYPTOPP_ASSERT
// is only in effect when CRYPTOPP_DEBUG, DEBUG or _DEBUG is defined. Unlike
// Posix assert, CRYPTOPP_ASSERT is not affected by NDEBUG (or failure to
// define it). According to the ndk-build docs, Android use NDK_DEBUG=1 to
// signal a DEBUG build (and NDK_DEBUG=0 to signal non-DEBUG build).
// Also see http://github.com/weidai11/cryptopp/issues/277, CVE-2016-7420 and
// https://developer.android.com/ndk/guides/ndk-build
#if (defined(DEBUG) || defined(_DEBUG)) || (defined(NDK_DEBUG) && (NDK_DEBUG > 0))
# undef CRYPTOPP_DEBUG
# define CRYPTOPP_DEBUG 1
#endif
// File system code to use when creating GZIP archive.
// http://www.gzip.org/format.txt
#if !defined(GZIP_OS_CODE)
# if defined(__macintosh__)
# define GZIP_OS_CODE 7
# elif defined(__unix__) || defined(__linux__)
# define GZIP_OS_CODE 3
# else
# define GZIP_OS_CODE 0
# endif
#endif
// Try this if your CPU has 256K internal cache or a slow multiply instruction
// and you want a (possibly) faster IDEA implementation using log tables
// #define IDEA_LARGECACHE
// Define this if, for the linear congruential RNG, you want to use
// the original constants as specified in S.K. Park and K.W. Miller's
// CACM paper.
// #define LCRNG_ORIGINAL_NUMBERS
// Define this if you want Integer's operator<< to honor std::showbase (and
// std::noshowbase). If defined, Integer will use a suffix of 'b', 'o', 'h'
// or '.' (the last for decimal) when std::showbase is in effect. If
// std::noshowbase is set, then the suffix is not added to the Integer. If
// not defined, existing behavior is preserved and Integer will use a suffix
// of 'b', 'o', 'h' or '.' (the last for decimal).
// #define CRYPTOPP_USE_STD_SHOWBASE
// Define this if you want to decouple AlgorithmParameters and Integer
// The decoupling should make it easier for the linker to remove Integer
// related code for those who do not need Integer, and avoid a potential
// race during AssignIntToInteger pointer initialization. Also
// see http://github.com/weidai11/cryptopp/issues/389.
// #define CRYPTOPP_NO_ASSIGN_TO_INTEGER
// Need GCC 4.6/Clang 1.7/Apple Clang 2.0 or above due to "GCC diagnostic {push|pop}"
#if (CRYPTOPP_GCC_VERSION >= 40600) || (CRYPTOPP_LLVM_CLANG_VERSION >= 10700) || \
(CRYPTOPP_APPLE_CLANG_VERSION >= 20000)
#define CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE 1
#endif
// Portable way to suppress warnings.
// Moved from misc.h due to circular depenedencies.
#ifndef CRYPTOPP_UNUSED
#define CRYPTOPP_UNUSED(x) ((void)(x))
#endif
// how to disable inlining
#if defined(CRYPTOPP_MSC_VERSION)
# define CRYPTOPP_NOINLINE_DOTDOTDOT
# define CRYPTOPP_NOINLINE __declspec(noinline)
#elif defined(__xlc__) || defined(__xlC__) || defined(__ibmxl__)
# define CRYPTOPP_NOINLINE_DOTDOTDOT ...
# define CRYPTOPP_NOINLINE __attribute__((noinline))
#elif defined(__GNUC__)
# define CRYPTOPP_NOINLINE_DOTDOTDOT
# define CRYPTOPP_NOINLINE __attribute__((noinline))
#else
# define CRYPTOPP_NOINLINE_DOTDOTDOT ...
# define CRYPTOPP_NOINLINE
#endif
// http://stackoverflow.com/a/13867690/608639
// CRYPTOPP_CONST_OR_CONSTEXPR due to https://github.com/weidai11/cryptopp/issues/1185
#if defined(CRYPTOPP_CXX11_CONSTEXPR)
# define CRYPTOPP_STATIC_CONSTEXPR static constexpr
# define CRYPTOPP_STATIC_CONST_OR_CONSTEXPR static constexpr
# define CRYPTOPP_CONST_OR_CONSTEXPR constexpr
# define CRYPTOPP_CONSTEXPR constexpr
#else
# define CRYPTOPP_STATIC_CONSTEXPR static
# define CRYPTOPP_STATIC_CONST_OR_CONSTEXPR static const
# define CRYPTOPP_CONST_OR_CONSTEXPR const
# define CRYPTOPP_CONSTEXPR
#endif // CRYPTOPP_CXX11_CONSTEXPR
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
# define CRYPTOPP_CONSTANT(x) static const int x
#elif defined(CRYPTOPP_CXX11_STRONG_ENUM)
# define CRYPTOPP_CONSTANT(x) enum : int { x }
#elif defined(CRYPTOPP_CXX11_CONSTEXPR)
# define CRYPTOPP_CONSTANT(x) constexpr static int x
#else
# define CRYPTOPP_CONSTANT(x) static const int x
#endif
// Warnings
#ifdef CRYPTOPP_MSC_VERSION
// 4127: conditional expression is constant
// 4512: assignment operator not generated
// 4661: no suitable definition provided for explicit template instantiation request
// 4910: '__declspec(dllexport)' and 'extern' are incompatible on an explicit instantiation
# pragma warning(disable: 4127 4512 4661 4910)
// CRYPTOPP_MSC_VERSION 1920 is VS2019
# if CRYPTOPP_MSC_VERSION >= 1920
// 5054: operator '|': deprecated between enumerations of different types
# pragma warning(disable: 5054)
# endif
// Security related, possible defects
// http://blogs.msdn.com/b/vcblog/archive/2010/12/14/off-by-default-compiler-warnings-in-visual-c.aspx
# pragma warning(once: 4191 4242 4263 4264 4266 4302 4826 4905 4906 4928)
#endif
#ifdef __BORLANDC__
// 8037: non-const function called for const object. needed to work around BCB2006 bug
# pragma warn -8037
#endif
// [GCC Bug 53431] "C++ preprocessor ignores #pragma GCC diagnostic". Clang honors it.
#if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE
# pragma GCC diagnostic ignored "-Wunknown-pragmas"
# pragma GCC diagnostic ignored "-Wunused-function"
#endif
#endif // CRYPTOPP_CONFIG_MISC_H

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// config_ns.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_ns.h
/// \brief Library configuration file
/// \details <tt>config_ns.h</tt> provides defines for C++ and library
/// namespaces.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_ns.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_NAMESPACE_H
#define CRYPTOPP_CONFIG_NAMESPACE_H
// namespace support is now required
#ifdef NO_NAMESPACE
# error namespace support is now required
#endif
#ifdef CRYPTOPP_DOXYGEN_PROCESSING
/// \namespace CryptoPP
/// \brief Crypto++ library namespace
/// \details Nearly all classes are located in the CryptoPP namespace. Within
/// the namespace, there are four additional namespaces.
/// <ul>
/// <li>Name - namespace for names used with NameValuePairs and documented
/// in argnames.h
/// <li>NaCl - namespace for NaCl test functions like crypto_box,
/// crypto_box_open, crypto_sign, and crypto_sign_open
/// <li>Donna - namespace for curve25519 library operations. The name was
/// selected due to use of Langley and Moon's curve25519-donna.
/// <li>Test - namespace for testing and benchmarks classes
/// <li>Weak - namespace for weak and wounded algorithms, like ARC4, MD5
/// and Pananma
/// </ul>
/// \since Crypto++ 3.0
namespace CryptoPP { }
// Bring in the symbols found in the weak namespace; and fold Weak1 into Weak
#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1
#define Weak1 Weak
// Avoid putting "CryptoPP::" in front of everything in Doxygen output
#define CryptoPP
#define NAMESPACE_BEGIN(x)
#define NAMESPACE_END
// Get Doxygen to generate better documentation for these typedefs
#define DOCUMENTED_TYPEDEF(x, y) class y : public x {}
// Make "protected" "private" so the functions and members are not documented
#define protected private
#else
// Not Doxygen
#define NAMESPACE_BEGIN(x) namespace x {
#define NAMESPACE_END }
#define DOCUMENTED_TYPEDEF(x, y) typedef x y
#endif // CRYPTOPP_DOXYGEN_PROCESSING
#define ANONYMOUS_NAMESPACE_BEGIN namespace {
#define ANONYMOUS_NAMESPACE_END }
#define USING_NAMESPACE(x) using namespace x;
#define DOCUMENTED_NAMESPACE_BEGIN(x) namespace x {
#define DOCUMENTED_NAMESPACE_END }
#endif // CRYPTOPP_CONFIG_NAMESPACE_H

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// config_os.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_os.h
/// \brief Library configuration file
/// \details <tt>config_os.h</tt> provides defines for platforms and operating
/// systems.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_os.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_OS_H
#define CRYPTOPP_CONFIG_OS_H
#include "config_ver.h"
// It is OK to remove the hard stop below, but you are on your own.
// After building the library be sure to run self tests described
// https://www.cryptopp.com/wiki/Release_Process#Self_Tests
// The problems with Clang pretending to be other compilers is
// discussed at http://github.com/weidai11/cryptopp/issues/147.
#if (defined(_MSC_VER) && defined(__clang__))
//# error: "Unsupported configuration"
#endif
// Windows platform
#if defined(_WIN32) || defined(_WIN64) || defined(__CYGWIN__)
#define CRYPTOPP_WIN32_AVAILABLE
#endif
// Unix and Linux platforms
#if defined(__unix__) || defined(__MACH__) || defined(__NetBSD__) || defined(__sun)
#define CRYPTOPP_UNIX_AVAILABLE
#endif
// BSD platforms
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
#define CRYPTOPP_BSD_AVAILABLE
#endif
// Microsoft compilers
#if defined(CRYPTOPP_MSC_VERSION) || defined(__fastcall)
#define CRYPTOPP_FASTCALL __fastcall
#else
#define CRYPTOPP_FASTCALL
#endif
// Microsoft compilers
#if defined(CRYPTOPP_MSC_VERSION)
#define CRYPTOPP_NO_VTABLE __declspec(novtable)
#else
#define CRYPTOPP_NO_VTABLE
#endif
// Define this if you want to disable all OS-dependent features,
// such as sockets and OS-provided random number generators
// #define NO_OS_DEPENDENCE
// Define this to use features provided by Microsoft's CryptoAPI.
// Currently the only feature used is Windows random number generation.
// This macro will be ignored if NO_OS_DEPENDENCE is defined.
// #define USE_MS_CRYPTOAPI
// Define this to use features provided by Microsoft's CryptoNG API.
// CryptoNG API is available in Vista and above and its cross platform,
// including desktop apps and store apps. Currently the only feature
// used is Windows random number generation.
// This macro will be ignored if NO_OS_DEPENDENCE is defined.
// #define USE_MS_CNGAPI
// If the user did not make a choice, then select CryptoNG if
// targeting Windows 8 or above.
#if !defined(USE_MS_CRYPTOAPI) && !defined(USE_MS_CNGAPI)
# if !defined(_USING_V110_SDK71_) && ((WINVER >= 0x0602 /*_WIN32_WINNT_WIN8*/) || \
(_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/))
# define USE_MS_CNGAPI
# else
# define USE_MS_CRYPTOAPI
# endif
#endif
// Begin OS features, like init priorities and random numbers
#ifndef NO_OS_DEPENDENCE
// CRYPTOPP_INIT_PRIORITY attempts to manage initialization of C++ static objects.
// Under GCC, the library uses init_priority attribute in the range
// [CRYPTOPP_INIT_PRIORITY, CRYPTOPP_INIT_PRIORITY+100]. Under Windows,
// CRYPTOPP_INIT_PRIORITY enlists "#pragma init_seg(lib)". The platforms
// with gaps are Apple and Sun because they require linker scripts. Apple and
// Sun will use the library's Singletons to initialize and acquire resources.
// Also see http://cryptopp.com/wiki/Static_Initialization_Order_Fiasco
#ifndef CRYPTOPP_INIT_PRIORITY
# define CRYPTOPP_INIT_PRIORITY 250
#endif
// CRYPTOPP_USER_PRIORITY is for other libraries and user code that is using Crypto++
// and managing C++ static object creation. It is guaranteed not to conflict with
// values used by (or would be used by) the Crypto++ library.
#ifndef CRYPTOPP_USER_PRIORITY
# define CRYPTOPP_USER_PRIORITY (CRYPTOPP_INIT_PRIORITY+101)
#endif
// Most platforms allow us to specify when to create C++ objects. Apple and Sun do not.
#if (CRYPTOPP_INIT_PRIORITY > 0) && !(defined(NO_OS_DEPENDENCE) || defined(__APPLE__) || defined(__sun__))
# if (CRYPTOPP_GCC_VERSION >= 30000) || (CRYPTOPP_LLVM_CLANG_VERSION >= 20900) || (_INTEL_COMPILER >= 800)
# define HAVE_GCC_INIT_PRIORITY 1
# elif (CRYPTOPP_MSC_VERSION >= 1310)
# define HAVE_MSC_INIT_PRIORITY 1
# elif defined(__xlc__) || defined(__xlC__) || defined(__ibmxl__)
# define HAVE_XLC_INIT_PRIORITY 1
# endif
#endif // CRYPTOPP_INIT_PRIORITY, NO_OS_DEPENDENCE, Apple, Sun
#if defined(CRYPTOPP_WIN32_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE)
# define HIGHRES_TIMER_AVAILABLE
#endif
#ifdef CRYPTOPP_WIN32_AVAILABLE
# if !defined(WINAPI_FAMILY)
# define THREAD_TIMER_AVAILABLE
# elif defined(WINAPI_FAMILY)
# if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
# define THREAD_TIMER_AVAILABLE
# endif
# endif
#endif
#if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
# define NONBLOCKING_RNG_AVAILABLE
# define BLOCKING_RNG_AVAILABLE
# define OS_RNG_AVAILABLE
#endif
// Cygwin/Newlib requires _XOPEN_SOURCE=600
#if defined(CRYPTOPP_UNIX_AVAILABLE)
# define UNIX_SIGNALS_AVAILABLE 1
#endif
#ifdef CRYPTOPP_WIN32_AVAILABLE
# if !defined(WINAPI_FAMILY)
# define NONBLOCKING_RNG_AVAILABLE
# define OS_RNG_AVAILABLE
# elif defined(WINAPI_FAMILY)
# if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
# define NONBLOCKING_RNG_AVAILABLE
# define OS_RNG_AVAILABLE
# elif !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
# if ((WINVER >= 0x0A00 /*_WIN32_WINNT_WIN10*/) || (_WIN32_WINNT >= 0x0A00 /*_WIN32_WINNT_WIN10*/))
# define NONBLOCKING_RNG_AVAILABLE
# define OS_RNG_AVAILABLE
# endif
# endif
# endif
#endif
#endif // NO_OS_DEPENDENCE
#endif // CRYPTOPP_CONFIG_OS_H

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// config_ver.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_ver.h
/// \brief Library configuration file
/// \details <tt>config_ver.h</tt> provides defines for library and compiler
/// versions.
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occurred so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \note You should include <tt>config.h</tt> rather than <tt>config_ver.h</tt>
/// directly.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
/// Make config.h more autoconf friendly</A>,
/// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
/// on the Crypto++ wiki
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_VERSION_H
#define CRYPTOPP_CONFIG_VERSION_H
/// \brief Library major version
/// \details CRYPTOPP_MAJOR reflects the major version of the library the
/// headers came from. It is not necessarily the version of the library built
/// as a shared object if versions are inadvertently mixed and matched.
/// \sa CRYPTOPP_VERSION, LibraryVersion(), HeaderVersion()
/// \since Crypto++ 8.2
#define CRYPTOPP_MAJOR 8
/// \brief Library minor version
/// \details CRYPTOPP_MINOR reflects the minor version of the library the
/// headers came from. It is not necessarily the version of the library built
/// as a shared object if versions are inadvertently mixed and matched.
/// \sa CRYPTOPP_VERSION, LibraryVersion(), HeaderVersion()
/// \since Crypto++ 8.2
#define CRYPTOPP_MINOR 9
/// \brief Library revision number
/// \details CRYPTOPP_REVISION reflects the revision number of the library the
/// headers came from. It is not necessarily the revision of the library built
/// as a shared object if versions are inadvertently mixed and matched.
/// \sa CRYPTOPP_VERSION, LibraryVersion(), HeaderVersion()
/// \since Crypto++ 8.2
#define CRYPTOPP_REVISION 0
/// \brief Full library version
/// \details CRYPTOPP_VERSION reflects the version of the library the headers
/// came from. It is not necessarily the version of the library built as a
/// shared object if versions are inadvertently mixed and matched.
/// \sa CRYPTOPP_MAJOR, CRYPTOPP_MINOR, CRYPTOPP_REVISION, LibraryVersion(), HeaderVersion()
/// \since Crypto++ 5.6
#define CRYPTOPP_VERSION 890
// Compiler version macros
// Apple and LLVM Clang versions. Apple Clang version 7.0 roughly equals
// LLVM Clang version 3.7. Also see https://gist.github.com/yamaya/2924292
#if defined(__clang__) && defined(__apple_build_version__)
# define CRYPTOPP_APPLE_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#elif defined(__clang__) && defined(_MSC_VER)
# define CRYPTOPP_MSVC_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#elif defined(__clang__)
# define CRYPTOPP_LLVM_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#endif
// Clang pretends to be other compilers. The compiler gets into
// code paths that it cannot compile. Unset Clang to save the grief.
// Also see http://github.com/weidai11/cryptopp/issues/147.
#if defined(__GNUC__) && !defined(__clang__)
# undef CRYPTOPP_APPLE_CLANG_VERSION
# undef CRYPTOPP_LLVM_CLANG_VERSION
# define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#endif
#if defined(__xlc__) || defined(__xlC__) && !defined(__clang__)
# undef CRYPTOPP_LLVM_CLANG_VERSION
# define CRYPTOPP_XLC_VERSION ((__xlC__ / 256) * 10000 + (__xlC__ % 256) * 100)
#endif
#if defined(__INTEL_COMPILER) && !defined(__clang__)
# undef CRYPTOPP_LLVM_CLANG_VERSION
# define CRYPTOPP_INTEL_VERSION (__INTEL_COMPILER)
#endif
#if defined(_MSC_VER) && !defined(__clang__)
# undef CRYPTOPP_LLVM_CLANG_VERSION
# define CRYPTOPP_MSC_VERSION (_MSC_VER)
#endif
// To control <x86intrin.h> include. May need a guard, like GCC 4.5 and above
// Also see https://stackoverflow.com/a/42493893 and https://github.com/weidai11/cryptopp/issues/1198
#if defined(CRYPTOPP_GCC_VERSION) || defined(CRYPTOPP_APPLE_CLANG_VERSION) || defined(CRYPTOPP_LLVM_CLANG_VERSION)
# define CRYPTOPP_GCC_COMPATIBLE 1
#endif
#endif // CRYPTOPP_CONFIG_VERSION_H

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// crc.h - originally written and placed in the public domain by Wei Dai
/// \file crc.h
/// \brief Classes for CRC-32 and CRC-32C checksum algorithm
#ifndef CRYPTOPP_CRC32_H
#define CRYPTOPP_CRC32_H
#include "cryptlib.h"
NAMESPACE_BEGIN(CryptoPP)
const word32 CRC32_NEGL = 0xffffffffL;
#if (CRYPTOPP_LITTLE_ENDIAN)
#define CRC32_INDEX(c) (c & 0xff)
#define CRC32_SHIFTED(c) (c >> 8)
#else
#define CRC32_INDEX(c) (c >> 24)
#define CRC32_SHIFTED(c) (c << 8)
#endif
/// \brief CRC-32 Checksum Calculation
/// \details Uses CRC polynomial 0xEDB88320
class CRC32 : public HashTransformation
{
public:
CRYPTOPP_CONSTANT(DIGESTSIZE = 4);
CRC32();
void Update(const byte *input, size_t length);
void TruncatedFinal(byte *hash, size_t size);
unsigned int DigestSize() const {return DIGESTSIZE;}
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "CRC32";}
std::string AlgorithmName() const {return StaticAlgorithmName();}
/// \brief Updates a CRC with additional input
/// \param b the additional input as a byte
void UpdateByte(byte b) {m_crc = m_tab[CRC32_INDEX(m_crc) ^ b] ^ CRC32_SHIFTED(m_crc);}
/// \brief Retrieves the i-th byte of the CRC
/// \param i the additional input as a byte
/// \return the byte at the i-th position
byte GetCrcByte(size_t i) const {return reinterpret_cast<const byte *>(&m_crc)[i];}
std::string AlgorithmProvider() const;
protected:
void Reset() {m_crc = CRC32_NEGL;}
private:
static const word32 m_tab[256];
word32 m_crc;
};
/// \brief CRC-32C Checksum Calculation
/// \details Uses CRC polynomial 0x82F63B78
/// \since Crypto++ 5.6.4
class CRC32C : public HashTransformation
{
public:
CRYPTOPP_CONSTANT(DIGESTSIZE = 4);
CRC32C();
void Update(const byte *input, size_t length);
void TruncatedFinal(byte *hash, size_t size);
unsigned int DigestSize() const {return DIGESTSIZE;}
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "CRC32C";}
std::string AlgorithmName() const {return StaticAlgorithmName();}
/// \brief Updates a CRC with additional input
/// \param b the additional input as a byte
void UpdateByte(byte b) {m_crc = m_tab[CRC32_INDEX(m_crc) ^ b] ^ CRC32_SHIFTED(m_crc);}
/// \brief Retrieves the i-th byte of the CRC
/// \param i the additional input as a byte
/// \return the byte at the i-th position
byte GetCrcByte(size_t i) const {return reinterpret_cast<const byte *>(&m_crc)[i];}
std::string AlgorithmProvider() const;
protected:
void Reset() {m_crc = CRC32_NEGL;}
private:
static const word32 m_tab[256];
word32 m_crc;
};
NAMESPACE_END
#endif

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// darn.h - written and placed in public domain by Jeffrey Walton
// DARN requires POWER9/ISA 3.0.
// At the moment only GCC 7.0 (and above) seems to support __builtin_darn()
// and __builtin_darn_32(). However, GCC generates incorrect code. Clang 7.0
// does not provide them, but it does support assembly instructions. XLC is
// unknown, but there are no hits when searching IBM's site. To cover more
// platforms we provide GCC inline assembly like we do with RDRAND and RDSEED.
// Platforms that don't support GCC inline assembly or the builtin will fail
// to compile. Also see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 and
// https://gcc.gnu.org/onlinedocs/gcc/Basic-PowerPC-Built-in-Functions-Available-on-ISA-3_002e0.html
/// \file darn.h
/// \brief Classes for DARN RNG
/// \sa <A HREF="https://openpowerfoundation.org/?resource_lib=power-isa-version-3-0">Power
/// ISA Version 3.0B</A>
/// \since Crypto++ 8.0
#ifndef CRYPTOPP_DARN_H
#define CRYPTOPP_DARN_H
#include "cryptlib.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Exception thrown when a DARN generator encounters
/// a generator related error.
/// \since Crypto++ 8.0
class DARN_Err : public Exception
{
public:
DARN_Err(const std::string &operation)
: Exception(OTHER_ERROR, "DARN: " + operation + " operation failed") {}
};
/// \brief Hardware generated random numbers using DARN instruction
/// \details DARN() provides access to Power9's random number generator. The
/// Crypto++ implementation provides conditioned random numbers from the
/// generator as opposed to raw random numbers. According to Power ISA 3.0B
/// manual, a conditioned random number has been processed by hardware to
/// reduce bias. A raw random number is unconditioned noise source output.
/// \details According to Power ISA 3.0B manual, the random number generator
/// provided by the <tt>darn</tt> instruction is NIST SP800-90B and SP800-90C
/// compliant to the extent possible given the completeness of the standards
/// at the time the hardware is designed. The random number generator provides
/// a minimum of 0.5 bits of entropy per bit.
/// \par Wraps
/// darn instruction
/// \sa <A HREF="https://openpowerfoundation.org/?resource_lib=power-isa-version-3-0">Power
/// ISA Version 3.0B</A>, MaurerRandomnessTest() for random bit generators
/// \since Crypto++ 8.0
class DARN : public RandomNumberGenerator
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() { return "DARN"; }
virtual ~DARN() {}
/// \brief Construct a DARN generator
/// \throw DARN_Err if the random number generator is not available
DARN();
/// \brief Generate random array of bytes
/// \param output the byte buffer
/// \param size the length of the buffer, in bytes
virtual void GenerateBlock(byte *output, size_t size);
/// \brief Generate and discard n bytes
/// \param n the number of bytes to generate and discard
/// \details the RDSEED generator discards words, not bytes. If n is
/// not a multiple of a machine word, then it is rounded up to
/// that size.
virtual void DiscardBytes(size_t n);
/// \brief Update RNG state with additional unpredictable values
/// \param input unused
/// \param length unused
/// \details The operation is a nop for this generator.
virtual void IncorporateEntropy(const byte *input, size_t length)
{
// Override to avoid the base class' throw.
CRYPTOPP_UNUSED(input); CRYPTOPP_UNUSED(length);
}
std::string AlgorithmProvider() const {
return "Power9";
}
private:
SecBlock<byte, AllocatorWithCleanup<byte, true> > m_temp;
};
NAMESPACE_END
#endif // CRYPTOPP_DARN_H

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// default.h - originally written and placed in the public domain by Wei Dai
/// \file default.h
/// \brief Classes for DefaultEncryptor, DefaultDecryptor, DefaultEncryptorWithMAC and DefaultDecryptorWithMAC
#ifndef CRYPTOPP_DEFAULT_H
#define CRYPTOPP_DEFAULT_H
#include "sha.h"
#include "hmac.h"
#include "aes.h"
#include "des.h"
#include "modes.h"
#include "filters.h"
#include "smartptr.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Legacy block cipher for LegacyEncryptor, LegacyDecryptor, LegacyEncryptorWithMAC and LegacyDecryptorWithMAC
typedef DES_EDE2 LegacyBlockCipher;
/// \brief Legacy hash for use with LegacyEncryptorWithMAC and LegacyDecryptorWithMAC
typedef SHA1 LegacyHashModule;
/// \brief Legacy HMAC for use withLegacyEncryptorWithMAC and LegacyDecryptorWithMAC
typedef HMAC<LegacyHashModule> LegacyMAC;
/// \brief Default block cipher for DefaultEncryptor, DefaultDecryptor, DefaultEncryptorWithMAC and DefaultDecryptorWithMAC
typedef AES DefaultBlockCipher;
/// \brief Default hash for use with DefaultEncryptorWithMAC and DefaultDecryptorWithMAC
typedef SHA256 DefaultHashModule;
/// \brief Default HMAC for use withDefaultEncryptorWithMAC and DefaultDecryptorWithMAC
typedef HMAC<DefaultHashModule> DefaultMAC;
/// \brief Exception thrown when LegacyDecryptorWithMAC or DefaultDecryptorWithMAC decryption error is encountered
class DataDecryptorErr : public Exception
{
public:
DataDecryptorErr(const std::string &s)
: Exception(DATA_INTEGRITY_CHECK_FAILED, s) {}
};
/// \brief Exception thrown when a bad key is encountered in DefaultDecryptorWithMAC and LegacyDecryptorWithMAC
class KeyBadErr : public DataDecryptorErr
{
public: KeyBadErr()
: DataDecryptorErr("DataDecryptor: cannot decrypt message with this passphrase") {}
};
/// \brief Exception thrown when an incorrect MAC is encountered in DefaultDecryptorWithMAC and LegacyDecryptorWithMAC
class MACBadErr : public DataDecryptorErr
{
public: MACBadErr()
: DataDecryptorErr("DataDecryptorWithMAC: MAC check failed") {}
};
/// \brief Algorithm information for password-based encryptors and decryptors
template <unsigned int BlockSize, unsigned int KeyLength, unsigned int DigestSize, unsigned int SaltSize, unsigned int Iterations>
struct DataParametersInfo
{
CRYPTOPP_CONSTANT(BLOCKSIZE = BlockSize);
CRYPTOPP_CONSTANT(KEYLENGTH = KeyLength);
CRYPTOPP_CONSTANT(SALTLENGTH = SaltSize);
CRYPTOPP_CONSTANT(DIGESTSIZE = DigestSize);
CRYPTOPP_CONSTANT(ITERATIONS = Iterations);
};
typedef DataParametersInfo<LegacyBlockCipher::BLOCKSIZE, LegacyBlockCipher::DEFAULT_KEYLENGTH, LegacyHashModule::DIGESTSIZE, 8, 200> LegacyParametersInfo;
typedef DataParametersInfo<DefaultBlockCipher::BLOCKSIZE, DefaultBlockCipher::DEFAULT_KEYLENGTH, DefaultHashModule::DIGESTSIZE, 8, 2500> DefaultParametersInfo;
/// \brief Password-based Encryptor
/// \tparam BC BlockCipher based class used for encryption
/// \tparam H HashTransformation based class used for mashing
/// \tparam Info Constants used by the algorithms
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256.
/// \sa DefaultEncryptor, DefaultDecryptor, LegacyEncryptor, LegacyDecryptor
/// \since Crypto++ 2.0
template <class BC, class H, class Info>
class DataEncryptor : public ProxyFilter, public Info
{
public:
CRYPTOPP_CONSTANT(BLOCKSIZE = Info::BLOCKSIZE);
CRYPTOPP_CONSTANT(KEYLENGTH = Info::KEYLENGTH);
CRYPTOPP_CONSTANT(SALTLENGTH = Info::SALTLENGTH);
CRYPTOPP_CONSTANT(DIGESTSIZE = Info::DIGESTSIZE);
CRYPTOPP_CONSTANT(ITERATIONS = Info::ITERATIONS);
/// \brief Construct a DataEncryptor
/// \param passphrase a C-String password
/// \param attachment a BufferedTransformation to attach to this object
DataEncryptor(const char *passphrase, BufferedTransformation *attachment = NULLPTR);
/// \brief Construct a DataEncryptor
/// \param passphrase a byte string password
/// \param passphraseLength the length of the byte string password
/// \param attachment a BufferedTransformation to attach to this object
DataEncryptor(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULLPTR);
protected:
void FirstPut(const byte *);
void LastPut(const byte *inString, size_t length);
private:
SecByteBlock m_passphrase;
typename CBC_Mode<BC>::Encryption m_cipher;
};
/// \brief Password-based Decryptor
/// \tparam BC BlockCipher based class used for encryption
/// \tparam H HashTransformation based class used for mashing
/// \tparam Info Constants used by the algorithms
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256.
/// \sa DefaultEncryptor, DefaultDecryptor, LegacyEncryptor, LegacyDecryptor
/// \since Crypto++ 2.0
template <class BC, class H, class Info>
class DataDecryptor : public ProxyFilter, public Info
{
public:
CRYPTOPP_CONSTANT(BLOCKSIZE = Info::BLOCKSIZE);
CRYPTOPP_CONSTANT(KEYLENGTH = Info::KEYLENGTH);
CRYPTOPP_CONSTANT(SALTLENGTH = Info::SALTLENGTH);
CRYPTOPP_CONSTANT(DIGESTSIZE = Info::DIGESTSIZE);
CRYPTOPP_CONSTANT(ITERATIONS = Info::ITERATIONS);
/// \brief Constructs a DataDecryptor
/// \param passphrase a C-String password
/// \param attachment a BufferedTransformation to attach to this object
/// \param throwException a flag specifying whether an Exception should be thrown on error
DataDecryptor(const char *passphrase, BufferedTransformation *attachment = NULLPTR, bool throwException=true);
/// \brief Constructs a DataDecryptor
/// \param passphrase a byte string password
/// \param passphraseLength the length of the byte string password
/// \param attachment a BufferedTransformation to attach to this object
/// \param throwException a flag specifying whether an Exception should be thrown on error
DataDecryptor(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULLPTR, bool throwException=true);
enum State {WAITING_FOR_KEYCHECK, KEY_GOOD, KEY_BAD};
State CurrentState() const {return m_state;}
protected:
void FirstPut(const byte *inString);
void LastPut(const byte *inString, size_t length);
State m_state;
private:
void CheckKey(const byte *salt, const byte *keyCheck);
SecByteBlock m_passphrase;
typename CBC_Mode<BC>::Decryption m_cipher;
member_ptr<FilterWithBufferedInput> m_decryptor;
bool m_throwException;
};
/// \brief Password-based encryptor with MAC
/// \tparam BC BlockCipher based class used for encryption
/// \tparam H HashTransformation based class used for mashing
/// \tparam MAC HashTransformation based class used for authentication
/// \tparam Info Constants used by the algorithms
/// \details DataEncryptorWithMAC uses a non-standard mashup function called Mash() to derive key
/// bits from the password.
/// \details The purpose of the function Mash() is to take an arbitrary length input string and
/// *deterministically* produce an arbitrary length output string such that (1) it looks random,
/// (2) no information about the input is deducible from it, and (3) it contains as much entropy
/// as it can hold, or the amount of entropy in the input string, whichever is smaller.
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256.
/// \sa DefaultEncryptorWithMAC, DefaultDecryptorWithMAC, LegacyDecryptorWithMAC, LegacyEncryptorWithMAC
/// \since Crypto++ 2.0
template <class BC, class H, class MAC, class Info>
class DataEncryptorWithMAC : public ProxyFilter
{
public:
CRYPTOPP_CONSTANT(BLOCKSIZE = Info::BLOCKSIZE);
CRYPTOPP_CONSTANT(KEYLENGTH = Info::KEYLENGTH);
CRYPTOPP_CONSTANT(SALTLENGTH = Info::SALTLENGTH);
CRYPTOPP_CONSTANT(DIGESTSIZE = Info::DIGESTSIZE);
CRYPTOPP_CONSTANT(ITERATIONS = Info::ITERATIONS);
/// \brief Constructs a DataEncryptorWithMAC
/// \param passphrase a C-String password
/// \param attachment a BufferedTransformation to attach to this object
DataEncryptorWithMAC(const char *passphrase, BufferedTransformation *attachment = NULLPTR);
/// \brief Constructs a DataEncryptorWithMAC
/// \param passphrase a byte string password
/// \param passphraseLength the length of the byte string password
/// \param attachment a BufferedTransformation to attach to this object
DataEncryptorWithMAC(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULLPTR);
protected:
void FirstPut(const byte *inString) {CRYPTOPP_UNUSED(inString);}
void LastPut(const byte *inString, size_t length);
private:
member_ptr<MAC> m_mac;
};
/// \brief Password-based decryptor with MAC
/// \tparam BC BlockCipher based class used for encryption
/// \tparam H HashTransformation based class used for mashing
/// \tparam MAC HashTransformation based class used for authentication
/// \tparam Info Constants used by the algorithms
/// \details DataDecryptorWithMAC uses a non-standard mashup function called Mash() to derive key
/// bits from the password.
/// \details The purpose of the function Mash() is to take an arbitrary length input string and
/// *deterministically* produce an arbitrary length output string such that (1) it looks random,
/// (2) no information about the input is deducible from it, and (3) it contains as much entropy
/// as it can hold, or the amount of entropy in the input string, whichever is smaller.
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256.
/// \sa DefaultEncryptorWithMAC, DefaultDecryptorWithMAC, LegacyDecryptorWithMAC, LegacyEncryptorWithMAC
/// \since Crypto++ 2.0
template <class BC, class H, class MAC, class Info>
class DataDecryptorWithMAC : public ProxyFilter
{
public:
CRYPTOPP_CONSTANT(BLOCKSIZE = Info::BLOCKSIZE);
CRYPTOPP_CONSTANT(KEYLENGTH = Info::KEYLENGTH);
CRYPTOPP_CONSTANT(SALTLENGTH = Info::SALTLENGTH);
CRYPTOPP_CONSTANT(DIGESTSIZE = Info::DIGESTSIZE);
CRYPTOPP_CONSTANT(ITERATIONS = Info::ITERATIONS);
/// \brief Constructs a DataDecryptor
/// \param passphrase a C-String password
/// \param attachment a BufferedTransformation to attach to this object
/// \param throwException a flag specifying whether an Exception should be thrown on error
DataDecryptorWithMAC(const char *passphrase, BufferedTransformation *attachment = NULLPTR, bool throwException=true);
/// \brief Constructs a DataDecryptor
/// \param passphrase a byte string password
/// \param passphraseLength the length of the byte string password
/// \param attachment a BufferedTransformation to attach to this object
/// \param throwException a flag specifying whether an Exception should be thrown on error
DataDecryptorWithMAC(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULLPTR, bool throwException=true);
typename DataDecryptor<BC,H,Info>::State CurrentState() const;
bool CheckLastMAC() const;
protected:
void FirstPut(const byte *inString) {CRYPTOPP_UNUSED(inString);}
void LastPut(const byte *inString, size_t length);
private:
member_ptr<MAC> m_mac;
HashVerificationFilter *m_hashVerifier;
bool m_throwException;
};
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
/// \brief Password-based encryptor (deprecated)
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256. The updated algorithms are available with the
/// <tt>Default*</tt> classes, and the old algorithms are available with the <tt>Legacy*</tt> classes.
struct LegacyEncryptor : public DataEncryptor<LegacyBlockCipher,LegacyHashModule,LegacyParametersInfo> {};
/// \brief Password-based decryptor (deprecated)
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256. The updated algorithms are available with the
/// <tt>Default*</tt> classes, and the old algorithms are available with the <tt>Legacy*</tt> classes.
struct LegacyDecryptor : public DataDecryptor<LegacyBlockCipher,LegacyHashModule,LegacyParametersInfo> {};
/// \brief Password-based encryptor
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256. The updated algorithms are available with the
/// <tt>Default*</tt> classes, and the old algorithms are available with the <tt>Legacy*</tt> classes.
struct DefaultEncryptor : public DataEncryptor<DefaultBlockCipher,DefaultHashModule,DefaultParametersInfo> {};
/// \brief Password-based decryptor
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256. The updated algorithms are available with the
/// <tt>Default*</tt> classes, and the old algorithms are available with the <tt>Legacy*</tt> classes.
struct DefaultDecryptor : public DataDecryptor<DefaultBlockCipher,DefaultHashModule,DefaultParametersInfo> {};
/// \brief Password-based encryptor with MAC (deprecated)
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256. The updated algorithms are available with the
/// <tt>Default*</tt> classes, and the old algorithms are available with the <tt>Legacy*</tt> classes.
struct LegacyEncryptorWithMAC : public DataEncryptorWithMAC<LegacyBlockCipher,LegacyHashModule,LegacyMAC,LegacyParametersInfo> {};
/// \brief Password-based decryptor with MAC (deprecated)
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256. The updated algorithms are available with the
/// <tt>Default*</tt> classes, and the old algorithms are available with the <tt>Legacy*</tt> classes.
struct LegacyDecryptorWithMAC : public DataDecryptorWithMAC<LegacyBlockCipher,LegacyHashModule,LegacyMAC,LegacyParametersInfo> {};
/// \brief Password-based encryptor with MAC
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256. The updated algorithms are available with the
/// <tt>Default*</tt> classes, and the old algorithms are available with the <tt>Legacy*</tt> classes.
struct DefaultEncryptorWithMAC : public DataEncryptorWithMAC<DefaultBlockCipher,DefaultHashModule,DefaultMAC,DefaultParametersInfo> {};
/// \brief Password-based decryptor with MAC
/// \details Crypto++ 5.6.5 and earlier used the legacy algorithms, including DES_EDE2 and SHA1.
/// Crypto++ 5.7 switched to AES and SHA256. The updated algorithms are available with the
/// <tt>Default*</tt> classes, and the old algorithms are available with the <tt>Legacy*</tt> classes.
struct DefaultDecryptorWithMAC : public DataDecryptorWithMAC<DefaultBlockCipher,DefaultHashModule,DefaultMAC,DefaultParametersInfo> {};
#else
typedef DataEncryptor<LegacyBlockCipher,LegacyHashModule,LegacyParametersInfo> LegacyEncryptor;
typedef DataDecryptor<LegacyBlockCipher,LegacyHashModule,LegacyParametersInfo> LegacyDecryptor;
typedef DataEncryptor<DefaultBlockCipher,DefaultHashModule,DefaultParametersInfo> DefaultEncryptor;
typedef DataDecryptor<DefaultBlockCipher,DefaultHashModule,DefaultParametersInfo> DefaultDecryptor;
typedef DataEncryptorWithMAC<LegacyBlockCipher,LegacyHashModule,LegacyMAC,LegacyParametersInfo> LegacyEncryptorWithMAC;
typedef DataDecryptorWithMAC<LegacyBlockCipher,LegacyHashModule,LegacyMAC,LegacyParametersInfo> LegacyDecryptorWithMAC;
typedef DataEncryptorWithMAC<DefaultBlockCipher,DefaultHashModule,DefaultMAC,DefaultParametersInfo> DefaultEncryptorWithMAC;
typedef DataDecryptorWithMAC<DefaultBlockCipher,DefaultHashModule,DefaultMAC,DefaultParametersInfo> DefaultDecryptorWithMAC;
#endif
NAMESPACE_END
#endif

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// des.h - originally written and placed in the public domain by Wei Dai
/// \file des.h
/// \brief Classes for DES, 2-key Triple-DES, 3-key Triple-DES and DESX
#ifndef CRYPTOPP_DES_H
#define CRYPTOPP_DES_H
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief DES block cipher base class
/// \since Crypto++ 1.0
class CRYPTOPP_DLL RawDES
{
public:
void RawSetKey(CipherDir direction, const byte *userKey);
void RawProcessBlock(word32 &l, word32 &r) const;
protected:
static const word32 Spbox[8][64];
FixedSizeSecBlock<word32, 32> k;
};
/// \brief DES block cipher information
/// \since Crypto++ 1.0
struct DES_Info : public FixedBlockSize<8>, public FixedKeyLength<8>
{
// disable DES in DLL version by not exporting this function
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "DES";}
};
/// \brief DES block cipher
/// \details The DES implementation in Crypto++ ignores the parity bits
/// (the least significant bits of each byte) in the key. However you can use CheckKeyParityBits()
/// and CorrectKeyParityBits() to check or correct the parity bits if you wish.
/// \sa <a href="http://www.cryptopp.com/wiki/TripleDES">DES</a>
/// \since Crypto++ 1.0
class DES : public DES_Info, public BlockCipherDocumentation
{
/// \brief DES block cipher default operation
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<DES_Info>, public RawDES
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
public:
/// check DES key parity bits
static bool CheckKeyParityBits(const byte *key);
/// correct DES key parity bits
static void CorrectKeyParityBits(byte *key);
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
/// \brief 2-key TripleDES block cipher information
/// \since Crypto++ 1.0
struct DES_EDE2_Info : public FixedBlockSize<8>, public FixedKeyLength<16>
{
CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return "DES-EDE2";}
};
/// \brief 2-key TripleDES block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/TripleDES">DES-EDE2</a>
/// \since Crypto++ 1.0
class DES_EDE2 : public DES_EDE2_Info, public BlockCipherDocumentation
{
/// \brief DES_EDE2 block cipher default operation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<DES_EDE2_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
protected:
RawDES m_des1, m_des2;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
/// \brief 3-key TripleDES block cipher information
/// \since Crypto++ 1.0
struct DES_EDE3_Info : public FixedBlockSize<8>, public FixedKeyLength<24>
{
CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return "DES-EDE3";}
};
/// \brief 3-key TripleDES block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/TripleDES">DES-EDE3</a>
/// \since Crypto++ 1.0
class DES_EDE3 : public DES_EDE3_Info, public BlockCipherDocumentation
{
/// \brief DES_EDE3 block cipher default operation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<DES_EDE3_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
protected:
RawDES m_des1, m_des2, m_des3;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
/// \brief DESX block cipher information
/// \since Crypto++ 3.2
struct DES_XEX3_Info : public FixedBlockSize<8>, public FixedKeyLength<24>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "DES-XEX3";}
};
/// \brief DESX block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/TripleDES">DES-XEX3</a>, AKA DESX
/// \since Crypto++ 3.2
class DES_XEX3 : public DES_XEX3_Info, public BlockCipherDocumentation
{
/// \brief DES_XEX3 block cipher default operation
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<DES_XEX3_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
protected:
FixedSizeSecBlock<byte, BLOCKSIZE> m_x1, m_x3;
// VS2005 workaround: calling modules compiled with /clr gets unresolved external symbol DES::Base::ProcessAndXorBlock
// if we use DES::Encryption here directly without value_ptr.
value_ptr<DES::Encryption> m_des;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
typedef DES::Encryption DESEncryption;
typedef DES::Decryption DESDecryption;
typedef DES_EDE2::Encryption DES_EDE2_Encryption;
typedef DES_EDE2::Decryption DES_EDE2_Decryption;
typedef DES_EDE3::Encryption DES_EDE3_Encryption;
typedef DES_EDE3::Decryption DES_EDE3_Decryption;
typedef DES_XEX3::Encryption DES_XEX3_Encryption;
typedef DES_XEX3::Decryption DES_XEX3_Decryption;
NAMESPACE_END
#endif

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// dh.h - originally written and placed in the public domain by Wei Dai
/// \file dh.h
/// \brief Classes for Diffie-Hellman key exchange
#ifndef CRYPTOPP_DH_H
#define CRYPTOPP_DH_H
#include "cryptlib.h"
#include "gfpcrypt.h"
#include "algebra.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Diffie-Hellman domain
/// \tparam GROUP_PARAMETERS group parameters
/// \tparam COFACTOR_OPTION cofactor multiplication option
/// \details A Diffie-Hellman domain is a set of parameters that must be shared
/// by two parties in a key agreement protocol, along with the algorithms
/// for generating key pairs and deriving agreed values.
/// \details For COFACTOR_OPTION, see CofactorMultiplicationOption.
/// \sa DL_SimpleKeyAgreementDomainBase
/// \since Crypto++ 1.0
template <class GROUP_PARAMETERS, class COFACTOR_OPTION = typename GROUP_PARAMETERS::DefaultCofactorOption>
class DH_Domain : public DL_SimpleKeyAgreementDomainBase<typename GROUP_PARAMETERS::Element>
{
typedef DL_SimpleKeyAgreementDomainBase<typename GROUP_PARAMETERS::Element> Base;
public:
typedef GROUP_PARAMETERS GroupParameters;
typedef typename GroupParameters::Element Element;
typedef DL_KeyAgreementAlgorithm_DH<Element, COFACTOR_OPTION> DH_Algorithm;
typedef DH_Domain<GROUP_PARAMETERS, COFACTOR_OPTION> Domain;
virtual ~DH_Domain() {}
/// \brief Construct a Diffie-Hellman domain
DH_Domain() {}
/// \brief Construct a Diffie-Hellman domain
/// \param params group parameters and options
DH_Domain(const GroupParameters &params)
: m_groupParameters(params) {}
/// \brief Construct a Diffie-Hellman domain
/// \param bt BufferedTransformation with group parameters and options
DH_Domain(BufferedTransformation &bt)
{m_groupParameters.BERDecode(bt);}
/// \brief Create a Diffie-Hellman domain
/// \tparam T2 template parameter used as a constructor parameter
/// \param v1 RandomNumberGenerator derived class
/// \param v2 second parameter
/// \details v1 and v2 are passed directly to the GROUP_PARAMETERS object.
template <class T2>
DH_Domain(RandomNumberGenerator &v1, const T2 &v2)
{m_groupParameters.Initialize(v1, v2);}
/// \brief Create a Diffie-Hellman domain
/// \tparam T2 template parameter used as a constructor parameter
/// \tparam T3 template parameter used as a constructor parameter
/// \param v1 RandomNumberGenerator derived class
/// \param v2 second parameter
/// \param v3 third parameter
/// \details v1, v2 and v3 are passed directly to the GROUP_PARAMETERS object.
template <class T2, class T3>
DH_Domain(RandomNumberGenerator &v1, const T2 &v2, const T3 &v3)
{m_groupParameters.Initialize(v1, v2, v3);}
/// \brief Create a Diffie-Hellman domain
/// \tparam T2 template parameter used as a constructor parameter
/// \tparam T3 template parameter used as a constructor parameter
/// \tparam T4 template parameter used as a constructor parameter
/// \param v1 RandomNumberGenerator derived class
/// \param v2 second parameter
/// \param v3 third parameter
/// \param v4 fourth parameter
/// \details v1, v2, v3 and v4 are passed directly to the GROUP_PARAMETERS object.
template <class T2, class T3, class T4>
DH_Domain(RandomNumberGenerator &v1, const T2 &v2, const T3 &v3, const T4 &v4)
{m_groupParameters.Initialize(v1, v2, v3, v4);}
/// \brief Construct a Diffie-Hellman domain
/// \tparam T1 template parameter used as a constructor parameter
/// \tparam T2 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param v2 second parameter
/// \details v1 and v2 are passed directly to the GROUP_PARAMETERS object.
template <class T1, class T2>
DH_Domain(const T1 &v1, const T2 &v2)
{m_groupParameters.Initialize(v1, v2);}
/// \brief Construct a Diffie-Hellman domain
/// \tparam T1 template parameter used as a constructor parameter
/// \tparam T2 template parameter used as a constructor parameter
/// \tparam T3 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param v2 second parameter
/// \param v3 third parameter
/// \details v1, v2 and v3 are passed directly to the GROUP_PARAMETERS object.
template <class T1, class T2, class T3>
DH_Domain(const T1 &v1, const T2 &v2, const T3 &v3)
{m_groupParameters.Initialize(v1, v2, v3);}
/// \brief Construct a Diffie-Hellman domain
/// \tparam T1 template parameter used as a constructor parameter
/// \tparam T2 template parameter used as a constructor parameter
/// \tparam T3 template parameter used as a constructor parameter
/// \tparam T4 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param v2 second parameter
/// \param v3 third parameter
/// \param v4 fourth parameter
/// \details v1, v2, v3 and v4 are passed directly to the GROUP_PARAMETERS object.
template <class T1, class T2, class T3, class T4>
DH_Domain(const T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4)
{m_groupParameters.Initialize(v1, v2, v3, v4);}
/// \brief Retrieves the group parameters for this domain
/// \return the group parameters for this domain as a const reference
const GroupParameters & GetGroupParameters() const {return m_groupParameters;}
/// \brief Retrieves the group parameters for this domain
/// \return the group parameters for this domain as a non-const reference
GroupParameters & AccessGroupParameters() {return m_groupParameters;}
/// \brief Generate a public key from a private key in this domain
/// \param rng RandomNumberGenerator derived class
/// \param privateKey byte buffer with the previously generated private key
/// \param publicKey byte buffer for the generated public key in this domain
/// \details If using a FIPS 140-2 validated library on Windows, then this class will perform
/// a self test to ensure the key pair is pairwise consistent. Non-FIPS and non-Windows
/// builds of the library do not provide FIPS validated cryptography, so the code should be
/// removed by the optimizer.
/// \pre <tt>COUNTOF(publicKey) == PublicKeyLength()</tt>
void GeneratePublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
{
Base::GeneratePublicKey(rng, privateKey, publicKey);
if (FIPS_140_2_ComplianceEnabled())
{
SecByteBlock privateKey2(this->PrivateKeyLength());
this->GeneratePrivateKey(rng, privateKey2);
SecByteBlock publicKey2(this->PublicKeyLength());
Base::GeneratePublicKey(rng, privateKey2, publicKey2);
SecByteBlock agreedValue(this->AgreedValueLength()), agreedValue2(this->AgreedValueLength());
bool agreed1 = this->Agree(agreedValue, privateKey, publicKey2);
bool agreed2 = this->Agree(agreedValue2, privateKey2, publicKey);
if (!agreed1 || !agreed2 || agreedValue != agreedValue2)
throw SelfTestFailure(this->AlgorithmName() + ": pairwise consistency test failed");
}
}
static std::string CRYPTOPP_API StaticAlgorithmName()
{return GroupParameters::StaticAlgorithmNamePrefix() + DH_Algorithm::StaticAlgorithmName();}
std::string AlgorithmName() const {return StaticAlgorithmName();}
private:
const DL_KeyAgreementAlgorithm<Element> & GetKeyAgreementAlgorithm() const
{return Singleton<DH_Algorithm>().Ref();}
DL_GroupParameters<Element> & AccessAbstractGroupParameters()
{return m_groupParameters;}
GroupParameters m_groupParameters;
};
CRYPTOPP_DLL_TEMPLATE_CLASS DH_Domain<DL_GroupParameters_GFP_DefaultSafePrime>;
/// \brief Diffie-Hellman in GF(p)
/// \details DH() class is a typedef of DH_Domain(). The documentation that follows
/// does not exist. Rather the documentation was created in response to <a href="https://github.com/weidai11/cryptopp/issues/328">Issue
/// 328, Diffie-Hellman example code not compiling</a>.
/// \details Generally speaking, a DH() object is ephemeral and is intended to execute one instance of the Diffie-Hellman protocol. The
/// private and public key parts are not intended to be set or persisted. Rather, a new set of domain parameters are generated each
/// time an object is created.
/// \details Once a DH() object is created, once can retrieve the ephemeral public key for the other party with code similar to the
/// following.
/// <pre> AutoSeededRandomPool prng;
/// Integer p, q, g;
/// PrimeAndGenerator pg;
///
/// pg.Generate(1, prng, 512, 511);
/// p = pg.Prime();
/// q = pg.SubPrime();
/// g = pg.Generator();
///
/// DH dh(p, q, g);
/// SecByteBlock t1(dh.PrivateKeyLength()), t2(dh.PublicKeyLength());
/// dh.GenerateKeyPair(prng, t1, t2);
/// Integer k1(t1, t1.size()), k2(t2, t2.size());
///
/// cout << "Private key:\n";
/// cout << hex << k1 << endl;
///
/// cout << "Public key:\n";
/// cout << hex << k2 << endl;</pre>
///
/// \details Output of the program above will be similar to the following.
/// <pre> $ ./cryptest.exe
/// Private key:
/// 72b45a42371545e9d4880f48589aefh
/// Public key:
/// 45fdb13f97b1840626f0250cec1dba4a23b894100b51fb5d2dd13693d789948f8bfc88f9200014b2
/// ba8dd8a6debc471c69ef1e2326c61184a2eca88ec866346bh</pre>
/// \sa <a href="http://www.cryptopp.com/wiki/Diffie-Hellman">Diffie-Hellman on the Crypto++ wiki</a> and
/// <a href="http://www.weidai.com/scan-mirror/ka.html#DH">Diffie-Hellman</a> in GF(p) with key validation
/// \since Crypto++ 1.0
#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
struct DH : public DH_Domain<DL_GroupParameters_GFP_DefaultSafePrime>
{
typedef DH_Domain<DL_GroupParameters_GFP_DefaultSafePrime> GroupParameters;
typedef GroupParameters::Element Element;
virtual ~DH() {}
/// \brief Create an uninitialized Diffie-Hellman object
DH() : DH_Domain() {}
/// \brief Initialize a Diffie-Hellman object
/// \param bt BufferedTransformation with group parameters and options
DH(BufferedTransformation &bt) : DH_Domain(bt) {}
/// \brief Initialize a Diffie-Hellman object
/// \param params group parameters and options
DH(const GroupParameters &params) : DH_Domain(params) {}
/// \brief Create a Diffie-Hellman object
/// \param rng a RandomNumberGenerator derived class
/// \param modulusBits the size of the modulus, in bits
/// \details This function overload of Initialize() creates a new Diffie-Hellman object because it
/// takes a RandomNumberGenerator() as a parameter.
DH(RandomNumberGenerator &rng, unsigned int modulusBits) : DH_Domain(rng, modulusBits) {}
/// \brief Initialize a Diffie-Hellman object
/// \param p the modulus
/// \param g the generator
DH(const Integer &p, const Integer &g) : DH_Domain(p, g) {}
/// \brief Initialize a Diffie-Hellman object
/// \param p the modulus
/// \param q the subgroup order
/// \param g the generator
DH(const Integer &p, const Integer &q, const Integer &g) : DH_Domain(p, q, g) {}
/// \brief Creates a Diffie-Hellman object
/// \param rng a RandomNumberGenerator derived class
/// \param modulusBits the size of the modulus, in bits
/// \details This function overload of Initialize() creates a new Diffie-Hellman object because it
/// takes a RandomNumberGenerator() as a parameter.
void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits)
{AccessGroupParameters().Initialize(rng, modulusBits);}
/// \brief Initialize a Diffie-Hellman object
/// \param p the modulus
/// \param g the generator
void Initialize(const Integer &p, const Integer &g)
{AccessGroupParameters().Initialize(p, g);}
/// \brief Initialize a Diffie-Hellman object
/// \param p the modulus
/// \param q the subgroup order
/// \param g the generator
void Initialize(const Integer &p, const Integer &q, const Integer &g)
{AccessGroupParameters().Initialize(p, q, g);}
};
#else
// The real DH class is a typedef.
typedef DH_Domain<DL_GroupParameters_GFP_DefaultSafePrime> DH;
#endif
NAMESPACE_END
#endif

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// dh2.h - originally written and placed in the public domain by Wei Dai
/// \file dh2.h
/// \brief Classes for Unified Diffie-Hellman key exchange
/// \since Crypto++ 3.0
#ifndef CRYPTOPP_DH2_H
#define CRYPTOPP_DH2_H
#include "cryptlib.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Unified Diffie-Hellman in GF(p)
/// \details A Diffie-Hellman domain is a set of parameters that must be shared
/// by two parties in a key agreement protocol, along with the algorithms
/// for generating key pairs and deriving agreed values.
/// \sa AuthenticatedKeyAgreementDomain, <a href="http://www.weidai.com/scan-mirror/ka.html#DH2">Unified Diffie-Hellman</a>
/// \since Crypto++ 3.0
class DH2 : public AuthenticatedKeyAgreementDomain
{
public:
virtual ~DH2() {}
/// \brief Construct a DH2
DH2(SimpleKeyAgreementDomain &domain)
: d1(domain), d2(domain) {}
/// \brief Construct a DH2
DH2(SimpleKeyAgreementDomain &staticDomain, SimpleKeyAgreementDomain &ephemeralDomain)
: d1(staticDomain), d2(ephemeralDomain) {}
CryptoParameters & AccessCryptoParameters() {return d1.AccessCryptoParameters();}
unsigned int AgreedValueLength() const
{return d1.AgreedValueLength() + d2.AgreedValueLength();}
unsigned int StaticPrivateKeyLength() const
{return d1.PrivateKeyLength();}
unsigned int StaticPublicKeyLength() const
{return d1.PublicKeyLength();}
void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
{d1.GeneratePrivateKey(rng, privateKey);}
void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
{d1.GeneratePublicKey(rng, privateKey, publicKey);}
void GenerateStaticKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
{d1.GenerateKeyPair(rng, privateKey, publicKey);}
unsigned int EphemeralPrivateKeyLength() const
{return d2.PrivateKeyLength();}
unsigned int EphemeralPublicKeyLength() const
{return d2.PublicKeyLength();}
void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
{d2.GeneratePrivateKey(rng, privateKey);}
void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
{d2.GeneratePublicKey(rng, privateKey, publicKey);}
void GenerateEphemeralKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
{d2.GenerateKeyPair(rng, privateKey, publicKey);}
bool Agree(byte *agreedValue,
const byte *staticPrivateKey, const byte *ephemeralPrivateKey,
const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey,
bool validateStaticOtherPublicKey=true) const;
protected:
SimpleKeyAgreementDomain &d1, &d2;
};
NAMESPACE_END
#endif

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// dll.h - originally written and placed in the public domain by Wei Dai
/// \file dll.h
/// \brief Functions and definitions required for building the FIPS-140 DLL on Windows
#ifndef CRYPTOPP_DLL_H
#define CRYPTOPP_DLL_H
#if !defined(CRYPTOPP_IMPORTS) && !defined(CRYPTOPP_EXPORTS) && !defined(CRYPTOPP_DEFAULT_NO_DLL)
#ifdef CRYPTOPP_CONFIG_H
#error To use the DLL version of Crypto++, this file must be included before any other Crypto++ header files.
#endif
#define CRYPTOPP_IMPORTS
#endif
#include "aes.h"
#include "cbcmac.h"
#include "ccm.h"
#include "cmac.h"
#include "channels.h"
#include "des.h"
#include "dh.h"
#include "dsa.h"
#include "ec2n.h"
#include "eccrypto.h"
#include "ecp.h"
#include "files.h"
#include "fips140.h"
#include "gcm.h"
#include "hex.h"
#include "hmac.h"
#include "modes.h"
#include "mqueue.h"
#include "nbtheory.h"
#include "osrng.h"
#include "pkcspad.h"
#include "pssr.h"
#include "randpool.h"
#include "rsa.h"
#include "rw.h"
#include "sha.h"
#include "skipjack.h"
#ifdef CRYPTOPP_IMPORTS
#ifdef _DLL
// cause CRT DLL to be initialized before Crypto++ so that we can use malloc and free during DllMain()
#ifdef CRYPTOPP_DEBUG
# pragma comment(lib, "msvcrtd")
# pragma comment(lib, "cryptopp")
#else
# pragma comment(lib, "msvcrt")
# pragma comment(lib, "cryptopp")
#endif
#endif
#endif // #ifdef CRYPTOPP_IMPORTS
#include <new> // for new_handler
NAMESPACE_BEGIN(CryptoPP)
typedef void * (CRYPTOPP_API * PNew)(size_t);
typedef void (CRYPTOPP_API * PDelete)(void *);
typedef void (CRYPTOPP_API * PGetNewAndDelete)(PNew &, PDelete &);
typedef std::new_handler (CRYPTOPP_API * PSetNewHandler)(std::new_handler);
typedef void (CRYPTOPP_API * PSetNewAndDelete)(PNew, PDelete, PSetNewHandler);
NAMESPACE_END
#endif

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// dmac.h - originally written and placed in the public domain by Wei Dai
/// \file dmac.h
/// \brief Classes for DMAC message authentication code
#ifndef CRYPTOPP_DMAC_H
#define CRYPTOPP_DMAC_H
#include "cbcmac.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief DMAC message authentication code base class
/// \tparam T class derived from BlockCipherDocumentation
/// \since Crypto++ 3.1
template <class T>
class CRYPTOPP_NO_VTABLE DMAC_Base : public SameKeyLengthAs<T>, public MessageAuthenticationCode
{
public:
CRYPTOPP_CONSTANT(DIGESTSIZE=T::BLOCKSIZE);
static std::string StaticAlgorithmName() {return std::string("DMAC(") + T::StaticAlgorithmName() + ")";}
virtual~DMAC_Base() {}
DMAC_Base() : m_subkeylength(0), m_counter(0) {}
void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params);
void Update(const byte *input, size_t length);
void TruncatedFinal(byte *mac, size_t size);
unsigned int DigestSize() const {return DIGESTSIZE;}
std::string AlgorithmProvider() const;
private:
byte *GenerateSubKeys(const byte *key, size_t keylength);
size_t m_subkeylength;
SecByteBlock m_subkeys;
CBC_MAC<T> m_mac1;
typename T::Encryption m_f2;
unsigned int m_counter;
};
template <class T>
std::string DMAC_Base<T>::AlgorithmProvider() const
{
return m_f2.AlgorithmProvider();
}
/// \brief DMAC message authentication code
/// \tparam T class derived from BlockCipherDocumentation
/// \sa <A HREF="https://eprint.iacr.org/1997/010">CBC MAC for Real-Time Data Sources (08.15.1997)</A>
/// by Erez Petrank and Charles Rackoff
/// \since Crypto++ 3.1
template <class T>
class DMAC : public MessageAuthenticationCodeFinal<DMAC_Base<T> >
{
public:
/// \brief Construct a DMAC
DMAC() {}
/// \brief Construct a DMAC
/// \param key a byte array used to key the cipher
/// \param length the size of the byte array, in bytes
DMAC(const byte *key, size_t length=DMAC_Base<T>::DEFAULT_KEYLENGTH)
{this->SetKey(key, length);}
};
template <class T>
void DMAC_Base<T>::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params)
{
m_subkeylength = T::StaticGetValidKeyLength(T::BLOCKSIZE);
m_subkeys.resize(2*UnsignedMin((unsigned int)T::BLOCKSIZE, m_subkeylength));
m_mac1.SetKey(GenerateSubKeys(key, length), m_subkeylength, params);
m_f2.SetKey(m_subkeys+m_subkeys.size()/2, m_subkeylength, params);
m_counter = 0;
m_subkeys.resize(0);
}
template <class T>
void DMAC_Base<T>::Update(const byte *input, size_t length)
{
m_mac1.Update(input, length);
m_counter = (unsigned int)((m_counter + length) % T::BLOCKSIZE);
}
template <class T>
void DMAC_Base<T>::TruncatedFinal(byte *mac, size_t size)
{
ThrowIfInvalidTruncatedSize(size);
byte pad[T::BLOCKSIZE];
byte padByte = byte(T::BLOCKSIZE-m_counter);
std::memset(pad, padByte, padByte);
m_mac1.Update(pad, padByte);
m_mac1.TruncatedFinal(mac, size);
m_f2.ProcessBlock(mac);
m_counter = 0; // reset for next message
}
template <class T>
byte *DMAC_Base<T>::GenerateSubKeys(const byte *key, size_t keylength)
{
typename T::Encryption cipher(key, keylength);
std::memset(m_subkeys, 0, m_subkeys.size());
cipher.ProcessBlock(m_subkeys);
m_subkeys[m_subkeys.size()/2 + T::BLOCKSIZE - 1] = 1;
cipher.ProcessBlock(m_subkeys+m_subkeys.size()/2);
return m_subkeys;
}
NAMESPACE_END
#endif

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// donna.h - written and placed in public domain by Jeffrey Walton
// Crypto++ specific implementation wrapped around Andrew
// Moon's public domain curve25519-donna and ed25519-donna,
// https://github.com/floodyberry/curve25519-donna and
// https://github.com/floodyberry/ed25519-donna.
// The curve25519 and ed25519 source files multiplex different repos and
// architectures using namespaces. The repos are Andrew Moon's
// curve25519-donna and ed25519-donna. The architectures are 32-bit, 64-bit
// and SSE. For example, 32-bit x25519 uses symbols from Donna::X25519 and
// Donna::Arch32.
// If needed, see Moon's commit "Go back to ignoring 256th bit [sic]",
// https://github.com/floodyberry/curve25519-donna/commit/57a683d18721a658
/// \file donna.h
/// \details Functions for curve25519 and ed25519 operations
/// \details This header provides the entry points into Andrew Moon's
/// curve25519 and ed25519 curve functions. The Crypto++ classes x25519
/// and ed25519 use the functions. The functions are in the <tt>Donna</tt>
/// namespace and are curve25519_mult(), ed25519_publickey(),
/// ed25519_sign() and ed25519_sign_open().
/// \details At the moment the hash function for signing is fixed at
/// SHA512.
#ifndef CRYPTOPP_DONNA_H
#define CRYPTOPP_DONNA_H
#include "config.h"
#include "cryptlib.h"
#include "stdcpp.h"
NAMESPACE_BEGIN(CryptoPP)
NAMESPACE_BEGIN(Donna)
//***************************** curve25519 *****************************//
/// \brief Generate a public key
/// \param publicKey byte array for the public key
/// \param secretKey byte array with the private key
/// \return 0 on success, non-0 otherwise
/// \details curve25519_mult() generates a public key from an existing
/// secret key. Internally curve25519_mult() performs a scalar
/// multiplication using the base point and writes the result to
/// <tt>pubkey</tt>.
int curve25519_mult(byte publicKey[32], const byte secretKey[32]);
/// \brief Generate a shared key
/// \param sharedKey byte array for the shared secret
/// \param secretKey byte array with the private key
/// \param othersKey byte array with the peer's public key
/// \return 0 on success, non-0 otherwise
/// \details curve25519_mult() generates a shared key from an existing
/// secret key and the other party's public key. Internally
/// curve25519_mult() performs a scalar multiplication using the two keys
/// and writes the result to <tt>sharedKey</tt>.
int curve25519_mult(byte sharedKey[32], const byte secretKey[32], const byte othersKey[32]);
//******************************* ed25519 *******************************//
/// \brief Creates a public key from a secret key
/// \param publicKey byte array for the public key
/// \param secretKey byte array with the private key
/// \return 0 on success, non-0 otherwise
/// \details ed25519_publickey() generates a public key from a secret key.
/// Internally ed25519_publickey() performs a scalar multiplication
/// using the secret key and then writes the result to <tt>publicKey</tt>.
int ed25519_publickey(byte publicKey[32], const byte secretKey[32]);
/// \brief Creates a signature on a message
/// \param message byte array with the message
/// \param messageLength size of the message, in bytes
/// \param publicKey byte array with the public key
/// \param secretKey byte array with the private key
/// \param signature byte array for the signature
/// \return 0 on success, non-0 otherwise
/// \details ed25519_sign() generates a signature on a message using
/// the public and private keys. The various buffers can be exact
/// sizes, and do not require extra space like when using the
/// NaCl library functions.
/// \details At the moment the hash function for signing is fixed at
/// SHA512.
int ed25519_sign(const byte* message, size_t messageLength, const byte secretKey[32], const byte publicKey[32], byte signature[64]);
/// \brief Creates a signature on a message
/// \param stream std::istream derived class
/// \param publicKey byte array with the public key
/// \param secretKey byte array with the private key
/// \param signature byte array for the signature
/// \return 0 on success, non-0 otherwise
/// \details ed25519_sign() generates a signature on a message using
/// the public and private keys. The various buffers can be exact
/// sizes, and do not require extra space like when using the
/// NaCl library functions.
/// \details This ed25519_sign() overload handles large streams. It
/// was added for signing and verifying files that are too large
/// for a memory allocation.
/// \details At the moment the hash function for signing is fixed at
/// SHA512.
int ed25519_sign(std::istream& stream, const byte secretKey[32], const byte publicKey[32], byte signature[64]);
/// \brief Verifies a signature on a message
/// \param message byte array with the message
/// \param messageLength size of the message, in bytes
/// \param publicKey byte array with the public key
/// \param signature byte array with the signature
/// \return 0 on success, non-0 otherwise
/// \details ed25519_sign_open() verifies a signature on a message using
/// the public key. The various buffers can be exact sizes, and do not
/// require extra space like when using the NaCl library functions.
/// \details At the moment the hash function for signing is fixed at
/// SHA512.
int
ed25519_sign_open(const byte *message, size_t messageLength, const byte publicKey[32], const byte signature[64]);
/// \brief Verifies a signature on a message
/// \param stream std::istream derived class
/// \param publicKey byte array with the public key
/// \param signature byte array with the signature
/// \return 0 on success, non-0 otherwise
/// \details ed25519_sign_open() verifies a signature on a message using
/// the public key. The various buffers can be exact sizes, and do not
/// require extra space like when using the NaCl library functions.
/// \details This ed25519_sign_open() overload handles large streams. It
/// was added for signing and verifying files that are too large
/// for a memory allocation.
/// \details At the moment the hash function for signing is fixed at
/// SHA512.
int
ed25519_sign_open(std::istream& stream, const byte publicKey[32], const byte signature[64]);
//****************************** Internal ******************************//
#ifndef CRYPTOPP_DOXYGEN_PROCESSING
// CRYPTOPP_WORD128_AVAILABLE mostly depends upon GCC support for
// __SIZEOF_INT128__. If __SIZEOF_INT128__ is not available then Moon
// provides routines for MSC and GCC. It should cover most platforms,
// but there are gaps like MS ARM64 and XLC. We tried to enable the
// 64-bit path for SunCC from 12.5 but we got the dreaded compile
// error "The operand ___LCM cannot be assigned to".
#if defined(CRYPTOPP_WORD128_AVAILABLE) || \
(defined(CRYPTOPP_MSC_VERSION) && defined(_M_X64))
# define CRYPTOPP_CURVE25519_64BIT 1
#else
# define CRYPTOPP_CURVE25519_32BIT 1
#endif
// Benchmarking on a modern 64-bit Core i5-6400 @2.7 GHz shows SSE2 on Linux
// is not profitable. Here are the numbers in milliseconds/operation:
//
// * Langley, C++, 0.050
// * Moon, C++: 0.040
// * Moon, SSE2: 0.061
// * Moon, native: 0.045
//
// However, a modern 64-bit Core i5-3200 @2.5 GHz shows SSE2 is profitable
// for MS compilers. Here are the numbers in milliseconds/operation:
//
// * x86, no SSE2, 0.294
// * x86, SSE2, 0.097
// * x64, no SSE2, 0.081
// * x64, SSE2, 0.071
#if defined(CRYPTOPP_MSC_VERSION) && (CRYPTOPP_SSE2_INTRIN_AVAILABLE)
# define CRYPTOPP_CURVE25519_SSE2 1
#endif
#if (CRYPTOPP_CURVE25519_SSE2)
extern int curve25519_mult_SSE2(byte sharedKey[32], const byte secretKey[32], const byte othersKey[32]);
#endif
#endif // CRYPTOPP_DOXYGEN_PROCESSING
NAMESPACE_END // Donna
NAMESPACE_END // CryptoPP
#endif // CRYPTOPP_DONNA_H

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// donna_32.h - written and placed in public domain by Jeffrey Walton
// Crypto++ specific implementation wrapped around Andrew
// Moon's public domain curve25519-donna and ed25519-donna,
// https://github.com/floodyberry/curve25519-donna and
// https://github.com/floodyberry/ed25519-donna.
// This source file multiplexes two different repos using namespaces. This
// was a little easier from a project management standpoint. We only need
// two files per architecture at the expense of namespaces and bloat.
#ifndef CRYPTOPP_DONNA_32_H
#define CRYPTOPP_DONNA_32_H
#ifndef CRYPTOPP_DOXYGEN_PROCESSING
#include "config.h"
NAMESPACE_BEGIN(CryptoPP)
NAMESPACE_BEGIN(Donna)
NAMESPACE_BEGIN(Arch32)
using CryptoPP::byte;
using CryptoPP::word32;
using CryptoPP::word64;
// ******************** x25519 Agreement ************************* //
#define ALIGN(n) CRYPTOPP_ALIGN_DATA(n)
#define mul32x32_64(a,b) (((word64)(a))*(b))
typedef word32 bignum25519[10];
const byte basePoint[32] = {9};
const word32 reduce_mask_25 = (1 << 25) - 1;
const word32 reduce_mask_26 = (1 << 26) - 1;
// ****************** ed25519 Signatures *********************** //
typedef byte hash_512bits[64];
const int bignum256modm_bits_per_limb = 30;
const int bignum256modm_limb_size = 9;
typedef word32 bignum256modm_element_t;
typedef bignum256modm_element_t bignum256modm[9];
struct ge25519 {
bignum25519 x, y, z, t;
};
struct ge25519_p1p1 {
bignum25519 x, y, z, t;
};
struct ge25519_niels {
bignum25519 ysubx, xaddy, t2d;
};
struct ge25519_pniels {
bignum25519 ysubx, xaddy, z, t2d;
};
#define S1_SWINDOWSIZE 5
#define S1_TABLE_SIZE (1<<(S1_SWINDOWSIZE-2))
#define S2_SWINDOWSIZE 7
#define S2_TABLE_SIZE (1<<(S2_SWINDOWSIZE-2))
// *************** ed25519-donna-32bit-tables.h *************** //
ALIGN(16) const ge25519 ge25519_basepoint = {
{0x0325d51a,0x018b5823,0x00f6592a,0x0104a92d,0x01a4b31d,0x01d6dc5c,0x027118fe,0x007fd814,0x013cd6e5,0x0085a4db},
{0x02666658,0x01999999,0x00cccccc,0x01333333,0x01999999,0x00666666,0x03333333,0x00cccccc,0x02666666,0x01999999},
{0x00000001,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000},
{0x01b7dda3,0x01a2ace9,0x025eadbb,0x0003ba8a,0x0083c27e,0x00abe37d,0x01274732,0x00ccacdd,0x00fd78b7,0x019e1d7c}
};
ALIGN(16) const bignum25519 ge25519_ecd = {
0x035978a3,0x00d37284,0x03156ebd,0x006a0a0e,0x0001c029,0x0179e898,0x03a03cbb,0x01ce7198,0x02e2b6ff,0x01480db3
};
ALIGN(16) const bignum25519 ge25519_ec2d = {
0x02b2f159,0x01a6e509,0x022add7a,0x00d4141d,0x00038052,0x00f3d130,0x03407977,0x019ce331,0x01c56dff,0x00901b67
};
ALIGN(16) const bignum25519 ge25519_sqrtneg1 = {
0x020ea0b0,0x0186c9d2,0x008f189d,0x0035697f,0x00bd0c60,0x01fbd7a7,0x02804c9e,0x01e16569,0x0004fc1d,0x00ae0c92
};
ALIGN(16) const ge25519_niels ge25519_niels_sliding_multiples[32] = {
{{0x0340913e,0x000e4175,0x03d673a2,0x002e8a05,0x03f4e67c,0x008f8a09,0x00c21a34,0x004cf4b8,0x01298f81,0x0113f4be},{0x018c3b85,0x0124f1bd,0x01c325f7,0x0037dc60,0x033e4cb7,0x003d42c2,0x01a44c32,0x014ca4e1,0x03a33d4b,0x001f3e74},{0x037aaa68,0x00448161,0x0093d579,0x011e6556,0x009b67a0,0x0143598c,0x01bee5ee,0x00b50b43,0x0289f0c6,0x01bc45ed}},
{{0x00fcd265,0x0047fa29,0x034faacc,0x01ef2e0d,0x00ef4d4f,0x014bd6bd,0x00f98d10,0x014c5026,0x007555bd,0x00aae456},{0x00ee9730,0x016c2a13,0x017155e4,0x01874432,0x00096a10,0x01016732,0x01a8014f,0x011e9823,0x01b9a80f,0x01e85938},{0x01d0d889,0x01a4cfc3,0x034c4295,0x0110e1ae,0x0162508c,0x00f2db4c,0x0072a2c6,0x0098da2e,0x02f12b9b,0x0168a09a}},
{{0x0047d6ba,0x0060b0e9,0x0136eff2,0x008a5939,0x03540053,0x0064a087,0x02788e5c,0x00be7c67,0x033eb1b5,0x005529f9},{0x00a5bb33,0x00af1102,0x01a05442,0x001e3af7,0x02354123,0x00bfec44,0x01f5862d,0x00dd7ba3,0x03146e20,0x00a51733},{0x012a8285,0x00f6fc60,0x023f9797,0x003e85ee,0x009c3820,0x01bda72d,0x01b3858d,0x00d35683,0x0296b3bb,0x010eaaf9}},
{{0x023221b1,0x01cb26aa,0x0074f74d,0x0099ddd1,0x01b28085,0x00192c3a,0x013b27c9,0x00fc13bd,0x01d2e531,0x0075bb75},{0x004ea3bf,0x00973425,0x001a4d63,0x01d59cee,0x01d1c0d4,0x00542e49,0x01294114,0x004fce36,0x029283c9,0x01186fa9},{0x01b8b3a2,0x00db7200,0x00935e30,0x003829f5,0x02cc0d7d,0x0077adf3,0x0220dd2c,0x0014ea53,0x01c6a0f9,0x01ea7eec}},
{{0x039d8064,0x01885f80,0x00337e6d,0x01b7a902,0x02628206,0x015eb044,0x01e30473,0x0191f2d9,0x011fadc9,0x01270169},{0x02a8632f,0x0199e2a9,0x00d8b365,0x017a8de2,0x02994279,0x0086f5b5,0x0119e4e3,0x01eb39d6,0x0338add7,0x00d2e7b4},{0x0045af1b,0x013a2fe4,0x0245e0d6,0x014538ce,0x038bfe0f,0x01d4cf16,0x037e14c9,0x0160d55e,0x0021b008,0x01cf05c8}},
{{0x01864348,0x01d6c092,0x0070262b,0x014bb844,0x00fb5acd,0x008deb95,0x003aaab5,0x00eff474,0x00029d5c,0x0062ad66},{0x02802ade,0x01c02122,0x01c4e5f7,0x00781181,0x039767fb,0x01703406,0x0342388b,0x01f5e227,0x022546d8,0x0109d6ab},{0x016089e9,0x00cb317f,0x00949b05,0x01099417,0x000c7ad2,0x011a8622,0x0088ccda,0x01290886,0x022b53df,0x00f71954}},
{{0x027fbf93,0x01c04ecc,0x01ed6a0d,0x004cdbbb,0x02bbf3af,0x00ad5968,0x01591955,0x0094f3a2,0x02d17602,0x00099e20},{0x02007f6d,0x003088a8,0x03db77ee,0x00d5ade6,0x02fe12ce,0x0107ba07,0x0107097d,0x00482a6f,0x02ec346f,0x008d3f5f},{0x032ea378,0x0028465c,0x028e2a6c,0x018efc6e,0x0090df9a,0x01a7e533,0x039bfc48,0x010c745d,0x03daa097,0x0125ee9b}},
{{0x028ccf0b,0x00f36191,0x021ac081,0x012154c8,0x034e0a6e,0x01b25192,0x00180403,0x01d7eea1,0x00218d05,0x010ed735},{0x03cfeaa0,0x01b300c4,0x008da499,0x0068c4e1,0x0219230a,0x01f2d4d0,0x02defd60,0x00e565b7,0x017f12de,0x018788a4},{0x03d0b516,0x009d8be6,0x03ddcbb3,0x0071b9fe,0x03ace2bd,0x01d64270,0x032d3ec9,0x01084065,0x0210ae4d,0x01447584}},
{{0x0020de87,0x00e19211,0x01b68102,0x00b5ac97,0x022873c0,0x01942d25,0x01271394,0x0102073f,0x02fe2482,0x01c69ff9},{0x010e9d81,0x019dbbe5,0x0089f258,0x006e06b8,0x02951883,0x018f1248,0x019b3237,0x00bc7553,0x024ddb85,0x01b4c964},{0x01c8c854,0x0060ae29,0x01406d8e,0x01cff2f9,0x00cff451,0x01778d0c,0x03ac8c41,0x01552e59,0x036559ee,0x011d1b12}},
{{0x00741147,0x0151b219,0x01092690,0x00e877e6,0x01f4d6bb,0x0072a332,0x01cd3b03,0x00dadff2,0x0097db5e,0x0086598d},{0x01c69a2b,0x01decf1b,0x02c2fa6e,0x013b7c4f,0x037beac8,0x013a16b5,0x028e7bda,0x01f6e8ac,0x01e34fe9,0x01726947},{0x01f10e67,0x003c73de,0x022b7ea2,0x010f32c2,0x03ff776a,0x00142277,0x01d38b88,0x00776138,0x03c60822,0x01201140}},
{{0x0236d175,0x0008748e,0x03c6476d,0x013f4cdc,0x02eed02a,0x00838a47,0x032e7210,0x018bcbb3,0x00858de4,0x01dc7826},{0x00a37fc7,0x0127b40b,0x01957884,0x011d30ad,0x02816683,0x016e0e23,0x00b76be4,0x012db115,0x02516506,0x0154ce62},{0x00451edf,0x00bd749e,0x03997342,0x01cc2c4c,0x00eb6975,0x01a59508,0x03a516cf,0x00c228ef,0x0168ff5a,0x01697b47}},
{{0x00527359,0x01783156,0x03afd75c,0x00ce56dc,0x00e4b970,0x001cabe9,0x029e0f6d,0x0188850c,0x0135fefd,0x00066d80},{0x02150e83,0x01448abf,0x02bb0232,0x012bf259,0x033c8268,0x00711e20,0x03fc148f,0x005e0e70,0x017d8bf9,0x0112b2e2},{0x02134b83,0x001a0517,0x0182c3cc,0x00792182,0x0313d799,0x001a3ed7,0x0344547e,0x01f24a0d,0x03de6ad2,0x00543127}},
{{0x00dca868,0x00618f27,0x015a1709,0x00ddc38a,0x0320fd13,0x0036168d,0x0371ab06,0x01783fc7,0x0391e05f,0x01e29b5d},{0x01471138,0x00fca542,0x00ca31cf,0x01ca7bad,0x0175bfbc,0x01a708ad,0x03bce212,0x01244215,0x0075bb99,0x01acad68},{0x03a0b976,0x01dc12d1,0x011aab17,0x00aba0ba,0x029806cd,0x0142f590,0x018fd8ea,0x01a01545,0x03c4ad55,0x01c971ff}},
{{0x00d098c0,0x000afdc7,0x006cd230,0x01276af3,0x03f905b2,0x0102994c,0x002eb8a4,0x015cfbeb,0x025f855f,0x01335518},{0x01cf99b2,0x0099c574,0x01a69c88,0x00881510,0x01cd4b54,0x0112109f,0x008abdc5,0x0074647a,0x0277cb1f,0x01e53324},{0x02ac5053,0x01b109b0,0x024b095e,0x016997b3,0x02f26bb6,0x00311021,0x00197885,0x01d0a55a,0x03b6fcc8,0x01c020d5}},
{{0x02584a34,0x00e7eee0,0x03257a03,0x011e95a3,0x011ead91,0x00536202,0x00b1ce24,0x008516c6,0x03669d6d,0x004ea4a8},{0x00773f01,0x0019c9ce,0x019f6171,0x01d4afde,0x02e33323,0x01ad29b6,0x02ead1dc,0x01ed51a5,0x01851ad0,0x001bbdfa},{0x00577de5,0x00ddc730,0x038b9952,0x00f281ae,0x01d50390,0x0002e071,0x000780ec,0x010d448d,0x01f8a2af,0x00f0a5b7}},
{{0x031f2541,0x00d34bae,0x0323ff9d,0x003a056d,0x02e25443,0x00a1ad05,0x00d1bee8,0x002f7f8e,0x03007477,0x002a24b1},{0x0114a713,0x01457e76,0x032255d5,0x01cc647f,0x02a4bdef,0x0153d730,0x00118bcf,0x00f755ff,0x013490c7,0x01ea674e},{0x02bda3e8,0x00bb490d,0x00f291ea,0x000abf40,0x01dea321,0x002f9ce0,0x00b2b193,0x00fa54b5,0x0128302f,0x00a19d8b}},
{{0x022ef5bd,0x01638af3,0x038c6f8a,0x01a33a3d,0x039261b2,0x01bb89b8,0x010bcf9d,0x00cf42a9,0x023d6f17,0x01da1bca},{0x00e35b25,0x000d824f,0x0152e9cf,0x00ed935d,0x020b8460,0x01c7b83f,0x00c969e5,0x01a74198,0x0046a9d9,0x00cbc768},{0x01597c6a,0x0144a99b,0x00a57551,0x0018269c,0x023c464c,0x0009b022,0x00ee39e1,0x0114c7f2,0x038a9ad2,0x01584c17}},
{{0x03b0c0d5,0x00b30a39,0x038a6ce4,0x01ded83a,0x01c277a6,0x01010a61,0x0346d3eb,0x018d995e,0x02f2c57c,0x000c286b},{0x0092aed1,0x0125e37b,0x027ca201,0x001a6b6b,0x03290f55,0x0047ba48,0x018d916c,0x01a59062,0x013e35d4,0x0002abb1},{0x003ad2aa,0x007ddcc0,0x00c10f76,0x0001590b,0x002cfca6,0x000ed23e,0x00ee4329,0x00900f04,0x01c24065,0x0082fa70}},
{{0x02025e60,0x003912b8,0x0327041c,0x017e5ee5,0x02c0ecec,0x015a0d1c,0x02b1ce7c,0x0062220b,0x0145067e,0x01a5d931},{0x009673a6,0x00e1f609,0x00927c2a,0x016faa37,0x01650ef0,0x016f63b5,0x03cd40e1,0x003bc38f,0x0361f0ac,0x01d42acc},{0x02f81037,0x008ca0e8,0x017e23d1,0x011debfe,0x01bcbb68,0x002e2563,0x03e8add6,0x000816e5,0x03fb7075,0x0153e5ac}},
{{0x02b11ecd,0x016bf185,0x008f22ef,0x00e7d2bb,0x0225d92e,0x00ece785,0x00508873,0x017e16f5,0x01fbe85d,0x01e39a0e},{0x01669279,0x017c810a,0x024941f5,0x0023ebeb,0x00eb7688,0x005760f1,0x02ca4146,0x0073cde7,0x0052bb75,0x00f5ffa7},{0x03b8856b,0x00cb7dcd,0x02f14e06,0x001820d0,0x01d74175,0x00e59e22,0x03fba550,0x00484641,0x03350088,0x01c3c9a3}},
{{0x00dcf355,0x0104481c,0x0022e464,0x01f73fe7,0x00e03325,0x0152b698,0x02ef769a,0x00973663,0x00039b8c,0x0101395b},{0x01805f47,0x019160ec,0x03832cd0,0x008b06eb,0x03d4d717,0x004cb006,0x03a75b8f,0x013b3d30,0x01cfad88,0x01f034d1},{0x0078338a,0x01c7d2e3,0x02bc2b23,0x018b3f05,0x0280d9aa,0x005f3d44,0x0220a95a,0x00eeeb97,0x0362aaec,0x00835d51}},
{{0x01b9f543,0x013fac4d,0x02ad93ae,0x018ef464,0x0212cdf7,0x01138ba9,0x011583ab,0x019c3d26,0x028790b4,0x00e2e2b6},{0x033bb758,0x01f0dbf1,0x03734bd1,0x0129b1e5,0x02b3950e,0x003bc922,0x01a53ec8,0x018c5532,0x006f3cee,0x00ae3c79},{0x0351f95d,0x0012a737,0x03d596b8,0x017658fe,0x00ace54a,0x008b66da,0x0036c599,0x012a63a2,0x032ceba1,0x00126bac}},
{{0x03dcfe7e,0x019f4f18,0x01c81aee,0x0044bc2b,0x00827165,0x014f7c13,0x03b430f0,0x00bf96cc,0x020c8d62,0x01471997},{0x01fc7931,0x001f42dd,0x00ba754a,0x005bd339,0x003fbe49,0x016b3930,0x012a159c,0x009f83b0,0x03530f67,0x01e57b85},{0x02ecbd81,0x0096c294,0x01fce4a9,0x017701a5,0x0175047d,0x00ee4a31,0x012686e5,0x008efcd4,0x0349dc54,0x01b3466f}},
{{0x02179ca3,0x01d86414,0x03f0afd0,0x00305964,0x015c7428,0x0099711e,0x015d5442,0x00c71014,0x01b40b2e,0x01d483cf},{0x01afc386,0x01984859,0x036203ff,0x0045c6a8,0x0020a8aa,0x00990baa,0x03313f10,0x007ceede,0x027429e4,0x017806ce},{0x039357a1,0x0142f8f4,0x0294a7b6,0x00eaccf4,0x0259edb3,0x01311e6e,0x004d326f,0x0130c346,0x01ccef3c,0x01c424b2}},
{{0x0364918c,0x00148fc0,0x01638a7b,0x01a1fd5b,0x028ad013,0x0081e5a4,0x01a54f33,0x0174e101,0x003d0257,0x003a856c},{0x00051dcf,0x00f62b1d,0x0143d0ad,0x0042adbd,0x000fda90,0x01743ceb,0x0173e5e4,0x017bc749,0x03b7137a,0x0105ce96},{0x00f9218a,0x015b8c7c,0x00e102f8,0x0158d7e2,0x0169a5b8,0x00b2f176,0x018b347a,0x014cfef2,0x0214a4e3,0x017f1595}},
{{0x006d7ae5,0x0195c371,0x0391e26d,0x0062a7c6,0x003f42ab,0x010dad86,0x024f8198,0x01542b2a,0x0014c454,0x0189c471},{0x0390988e,0x00b8799d,0x02e44912,0x0078e2e6,0x00075654,0x01923eed,0x0040cd72,0x00a37c76,0x0009d466,0x00c8531d},{0x02651770,0x00609d01,0x0286c265,0x0134513c,0x00ee9281,0x005d223c,0x035c760c,0x00679b36,0x0073ecb8,0x016faa50}},
{{0x02c89be4,0x016fc244,0x02f38c83,0x018beb72,0x02b3ce2c,0x0097b065,0x034f017b,0x01dd957f,0x00148f61,0x00eab357},{0x0343d2f8,0x003398fc,0x011e368e,0x00782a1f,0x00019eea,0x00117b6f,0x0128d0d1,0x01a5e6bb,0x01944f1b,0x012b41e1},{0x03318301,0x018ecd30,0x0104d0b1,0x0038398b,0x03726701,0x019da88c,0x002d9769,0x00a7a681,0x031d9028,0x00ebfc32}},
{{0x0220405e,0x0171face,0x02d930f8,0x017f6d6a,0x023b8c47,0x0129d5f9,0x02972456,0x00a3a524,0x006f4cd2,0x004439fa},{0x00c53505,0x0190c2fd,0x00507244,0x009930f9,0x01a39270,0x01d327c6,0x0399bc47,0x01cfe13d,0x0332bd99,0x00b33e7d},{0x0203f5e4,0x003627b5,0x00018af8,0x01478581,0x004a2218,0x002e3bb7,0x039384d0,0x0146ea62,0x020b9693,0x0017155f}},
{{0x03c97e6f,0x00738c47,0x03b5db1f,0x01808fcf,0x01e8fc98,0x01ed25dd,0x01bf5045,0x00eb5c2b,0x0178fe98,0x01b85530},{0x01c20eb0,0x01aeec22,0x030b9eee,0x01b7d07e,0x0187e16f,0x014421fb,0x009fa731,0x0040b6d7,0x00841861,0x00a27fbc},{0x02d69abf,0x0058cdbf,0x0129f9ec,0x013c19ae,0x026c5b93,0x013a7fe7,0x004bb2ba,0x0063226f,0x002a95ca,0x01abefd9}},
{{0x02f5d2c1,0x00378318,0x03734fb5,0x01258073,0x0263f0f6,0x01ad70e0,0x01b56d06,0x01188fbd,0x011b9503,0x0036d2e1},{0x0113a8cc,0x01541c3e,0x02ac2bbc,0x01d95867,0x01f47459,0x00ead489,0x00ab5b48,0x01db3b45,0x00edb801,0x004b024f},{0x00b8190f,0x011fe4c2,0x00621f82,0x010508d7,0x001a5a76,0x00c7d7fd,0x03aab96d,0x019cd9dc,0x019c6635,0x00ceaa1e}},
{{0x01085cf2,0x01fd47af,0x03e3f5e1,0x004b3e99,0x01e3d46a,0x0060033c,0x015ff0a8,0x0150cdd8,0x029e8e21,0x008cf1bc},{0x00156cb1,0x003d623f,0x01a4f069,0x00d8d053,0x01b68aea,0x01ca5ab6,0x0316ae43,0x0134dc44,0x001c8d58,0x0084b343},{0x0318c781,0x0135441f,0x03a51a5e,0x019293f4,0x0048bb37,0x013d3341,0x0143151e,0x019c74e1,0x00911914,0x0076ddde}},
{{0x006bc26f,0x00d48e5f,0x00227bbe,0x00629ea8,0x01ea5f8b,0x0179a330,0x027a1d5f,0x01bf8f8e,0x02d26e2a,0x00c6b65e},{0x01701ab6,0x0051da77,0x01b4b667,0x00a0ce7c,0x038ae37b,0x012ac852,0x03a0b0fe,0x0097c2bb,0x00a017d2,0x01eb8b2a},{0x0120b962,0x0005fb42,0x0353b6fd,0x0061f8ce,0x007a1463,0x01560a64,0x00e0a792,0x01907c92,0x013a6622,0x007b47f1}}
};
// *************** modm-donna-32bit.h *************** //
const bignum256modm modm_m = {
0x1cf5d3ed, 0x20498c69, 0x2f79cd65, 0x37be77a8,
0x00000014, 0x00000000, 0x00000000, 0x00000000,
0x00001000
};
const bignum256modm modm_mu = {
0x0a2c131b, 0x3673968c, 0x06329a7e, 0x01885742,
0x3fffeb21, 0x3fffffff, 0x3fffffff, 0x3fffffff,
0x000fffff
};
/* multiples of p */
const word32 twoP0 = 0x07ffffda;
const word32 twoP13579 = 0x03fffffe;
const word32 twoP2468 = 0x07fffffe;
const word32 fourP0 = 0x0fffffb4;
const word32 fourP13579 = 0x07fffffc;
const word32 fourP2468 = 0x0ffffffc;
// *************** ed25519-donna-basepoint-table.h *************** //
/* multiples of the base point in packed {ysubx, xaddy, t2d} form */
ALIGN(16) const byte ge25519_niels_base_multiples[256][96] = {
{0x3e,0x91,0x40,0xd7,0x05,0x39,0x10,0x9d,0xb3,0xbe,0x40,0xd1,0x05,0x9f,0x39,0xfd,0x09,0x8a,0x8f,0x68,0x34,0x84,0xc1,0xa5,0x67,0x12,0xf8,0x98,0x92,0x2f,0xfd,0x44,0x85,0x3b,0x8c,0xf5,0xc6,0x93,0xbc,0x2f,0x19,0x0e,0x8c,0xfb,0xc6,0x2d,0x93,0xcf,0xc2,0x42,0x3d,0x64,0x98,0x48,0x0b,0x27,0x65,0xba,0xd4,0x33,0x3a,0x9d,0xcf,0x07,0x59,0xbb,0x6f,0x4b,0x67,0x15,0xbd,0xdb,0xea,0xa5,0xa2,0xee,0x00,0x3f,0xe1,0x41,0xfa,0xc6,0x57,0xc9,0x1c,0x9d,0xd4,0xcd,0xca,0xec,0x16,0xaf,0x1f,0xbe,0x0e,0x4f},
{0xa8,0xd5,0xb4,0x42,0x60,0xa5,0x99,0x8a,0xf6,0xac,0x60,0x4e,0x0c,0x81,0x2b,0x8f,0xaa,0x37,0x6e,0xb1,0x6b,0x23,0x9e,0xe0,0x55,0x25,0xc9,0x69,0xa6,0x95,0xb5,0x6b,0xd7,0x71,0x3c,0x93,0xfc,0xe7,0x24,0x92,0xb5,0xf5,0x0f,0x7a,0x96,0x9d,0x46,0x9f,0x02,0x07,0xd6,0xe1,0x65,0x9a,0xa6,0x5a,0x2e,0x2e,0x7d,0xa8,0x3f,0x06,0x0c,0x59,0x02,0x68,0xd3,0xda,0xaa,0x7e,0x34,0x6e,0x05,0x48,0xee,0x83,0x93,0x59,0xf3,0xba,0x26,0x68,0x07,0xe6,0x10,0xbe,0xca,0x3b,0xb8,0xd1,0x5e,0x16,0x0a,0x4f,0x31,0x49},
{0x65,0xd2,0xfc,0xa4,0xe8,0x1f,0x61,0x56,0x7d,0xba,0xc1,0xe5,0xfd,0x53,0xd3,0x3b,0xbd,0xd6,0x4b,0x21,0x1a,0xf3,0x31,0x81,0x62,0xda,0x5b,0x55,0x87,0x15,0xb9,0x2a,0x30,0x97,0xee,0x4c,0xa8,0xb0,0x25,0xaf,0x8a,0x4b,0x86,0xe8,0x30,0x84,0x5a,0x02,0x32,0x67,0x01,0x9f,0x02,0x50,0x1b,0xc1,0xf4,0xf8,0x80,0x9a,0x1b,0x4e,0x16,0x7a,0x34,0x48,0x67,0xf1,0xf4,0x11,0xf2,0x9b,0x95,0xf8,0x2d,0xf6,0x17,0x6b,0x4e,0xb8,0x4e,0x2a,0x72,0x5b,0x07,0x6f,0xde,0xd7,0x21,0x2a,0xbb,0x63,0xb9,0x04,0x9a,0x54},
{0xbf,0x18,0x68,0x05,0x0a,0x05,0xfe,0x95,0xa9,0xfa,0x60,0x56,0x71,0x89,0x7e,0x32,0x73,0x50,0xa0,0x06,0xcd,0xe3,0xe8,0xc3,0x9a,0xa4,0x45,0x74,0x4c,0x3f,0x93,0x27,0x9f,0x09,0xfc,0x8e,0xb9,0x51,0x73,0x28,0x38,0x25,0xfd,0x7d,0xf4,0xc6,0x65,0x67,0x65,0x92,0x0a,0xfb,0x3d,0x8d,0x34,0xca,0x27,0x87,0xe5,0x21,0x03,0x91,0x0e,0x68,0xb0,0x26,0x14,0xe5,0xec,0x45,0x1e,0xbf,0x94,0x0f,0xba,0x6d,0x3d,0xc6,0x2b,0xe3,0xc0,0x52,0xf8,0x8c,0xd5,0x74,0x29,0xe4,0x18,0x4c,0xe6,0xb0,0xb1,0x79,0xf0,0x44},
{0xba,0xd6,0x47,0xa4,0xc3,0x82,0x91,0x7f,0xb7,0x29,0x27,0x4b,0xd1,0x14,0x00,0xd5,0x87,0xa0,0x64,0xb8,0x1c,0xf1,0x3c,0xe3,0xf3,0x55,0x1b,0xeb,0x73,0x7e,0x4a,0x15,0x33,0xbb,0xa5,0x08,0x44,0xbc,0x12,0xa2,0x02,0xed,0x5e,0xc7,0xc3,0x48,0x50,0x8d,0x44,0xec,0xbf,0x5a,0x0c,0xeb,0x1b,0xdd,0xeb,0x06,0xe2,0x46,0xf1,0xcc,0x45,0x29,0xb3,0x03,0xd0,0xe7,0x79,0xa1,0x32,0xc8,0x7e,0x4d,0x12,0x00,0x0a,0x9d,0x72,0x5f,0xf3,0x8f,0x6d,0x0e,0xa1,0xd4,0xc1,0x62,0x98,0x7a,0xb2,0x38,0x59,0xac,0xb8,0x68},
{0xa4,0x8c,0x7d,0x7b,0xb6,0x06,0x98,0x49,0x39,0x27,0xd2,0x27,0x84,0xe2,0x5b,0x57,0xb9,0x53,0x45,0x20,0xe7,0x5c,0x08,0xbb,0x84,0x78,0x41,0xae,0x41,0x4c,0xb6,0x38,0x31,0x71,0x15,0x77,0xeb,0xee,0x0c,0x3a,0x88,0xaf,0xc8,0x00,0x89,0x15,0x27,0x9b,0x36,0xa7,0x59,0xda,0x68,0xb6,0x65,0x80,0xbd,0x38,0xcc,0xa2,0xb6,0x7b,0xe5,0x51,0xa4,0xe3,0x9d,0x68,0x91,0xad,0x9d,0x8f,0x37,0x91,0xfb,0xf8,0x28,0x24,0x5f,0x17,0x88,0xb9,0xcf,0x9f,0x32,0xb5,0x0a,0x05,0x9f,0xc0,0x54,0x13,0xa2,0xdf,0x65,0x78},
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{0x0f,0x3a,0xd4,0xa0,0x5e,0x27,0xbf,0x67,0xbe,0xee,0x9b,0x08,0x34,0x8e,0xe6,0xad,0x2e,0xe7,0x79,0xd4,0x4c,0x13,0x89,0x42,0x54,0x54,0xba,0x32,0xc3,0xf9,0x62,0x0f,0xe1,0x21,0xb3,0xe3,0xd0,0xe4,0x04,0x62,0x95,0x1e,0xff,0x28,0x7a,0x63,0xaa,0x3b,0x9e,0xbd,0x99,0x5b,0xfd,0xcf,0x0c,0x0b,0x71,0xd0,0xc8,0x64,0x3e,0xdc,0x22,0x4d,0x39,0x5f,0x3b,0xd6,0x89,0x65,0xb4,0xfc,0x61,0xcf,0xcb,0x57,0x3f,0x6a,0xae,0x5c,0x05,0xfa,0x3a,0x95,0xd2,0xc2,0xba,0xfe,0x36,0x14,0x37,0x36,0x1a,0xa0,0x0f,0x1c},
{0xff,0x3d,0x94,0x22,0xb6,0x04,0xc6,0xd2,0xa0,0xb3,0xcf,0x44,0xce,0xbe,0x8c,0xbc,0x78,0x86,0x80,0x97,0xf3,0x4f,0x25,0x5d,0xbf,0xa6,0x1c,0x3b,0x4f,0x61,0xa3,0x0f,0x50,0x6a,0x93,0x8c,0x0e,0x2b,0x08,0x69,0xb6,0xc5,0xda,0xc1,0x35,0xa0,0xc9,0xf9,0x34,0xb6,0xdf,0xc4,0x54,0x3e,0xb7,0x6f,0x40,0xc1,0x2b,0x1d,0x9b,0x41,0x05,0x40,0xf0,0x82,0xbe,0xb9,0xbd,0xfe,0x03,0xa0,0x90,0xac,0x44,0x3a,0xaf,0xc1,0x89,0x20,0x8e,0xfa,0x54,0x19,0x91,0x9f,0x49,0xf8,0x42,0xab,0x40,0xef,0x8a,0x21,0xba,0x1f},
{0x3e,0xf5,0xc8,0xfa,0x48,0x94,0x54,0xab,0x41,0x37,0xa6,0x7b,0x9a,0xe8,0xf6,0x81,0x01,0x5e,0x2b,0x6c,0x7d,0x6c,0xfd,0x74,0x42,0x6e,0xc8,0xa8,0xca,0x3a,0x2e,0x39,0x94,0x01,0x7b,0x3e,0x04,0x57,0x3e,0x4f,0x7f,0xaf,0xda,0x08,0xee,0x3e,0x1d,0xa8,0xf1,0xde,0xdc,0x99,0xab,0xc6,0x39,0xc8,0xd5,0x61,0x77,0xff,0x13,0x5d,0x53,0x6c,0xaf,0x35,0x8a,0x3e,0xe9,0x34,0xbd,0x4c,0x16,0xe8,0x87,0x58,0x44,0x81,0x07,0x2e,0xab,0xb0,0x9a,0xf2,0x76,0x9c,0x31,0x19,0x3b,0xc1,0x0a,0xd5,0xe4,0x7f,0xe1,0x25},
{0x76,0xf6,0x04,0x1e,0xd7,0x9b,0x28,0x0a,0x95,0x0f,0x42,0xd6,0x52,0x1c,0x8e,0x20,0xab,0x1f,0x69,0x34,0xb0,0xd8,0x86,0x51,0x51,0xb3,0x9f,0x2a,0x44,0x51,0x57,0x25,0xa7,0x21,0xf1,0x76,0xf5,0x7f,0x5f,0x91,0xe3,0x87,0xcd,0x2f,0x27,0x32,0x4a,0xc3,0x26,0xe5,0x1b,0x4d,0xde,0x2f,0xba,0xcc,0x9b,0x89,0x69,0x89,0x8f,0x82,0xba,0x6b,0x01,0x39,0xfe,0x90,0x66,0xbc,0xd1,0xe2,0xd5,0x7a,0x99,0xa0,0x18,0x4a,0xb5,0x4c,0xd4,0x60,0x84,0xaf,0x14,0x69,0x1d,0x97,0xe4,0x7b,0x6b,0x7f,0x4f,0x50,0x9d,0x55},
{0xd5,0x54,0xeb,0xb3,0x78,0x83,0x73,0xa7,0x7c,0x3c,0x55,0xa5,0x66,0xd3,0x69,0x1d,0xba,0x00,0x28,0xf9,0x62,0xcf,0x26,0x0a,0x17,0x32,0x7e,0x80,0xd5,0x12,0xab,0x01,0xfd,0x66,0xd2,0xf6,0xe7,0x91,0x48,0x9c,0x1b,0x78,0x07,0x03,0x9b,0xa1,0x44,0x07,0x3b,0xe2,0x61,0x60,0x1d,0x8f,0x38,0x88,0x0e,0xd5,0x4b,0x35,0xa3,0xa6,0x3e,0x12,0x96,0x2d,0xe3,0x41,0x90,0x18,0x8d,0x11,0x48,0x58,0x31,0xd8,0xc2,0xe3,0xed,0xb9,0xd9,0x45,0x32,0xd8,0x71,0x42,0xab,0x1e,0x54,0xa1,0x18,0xc9,0xe2,0x61,0x39,0x4a},
{0xa0,0xbb,0xe6,0xf8,0xe0,0x3b,0xdc,0x71,0x0a,0xe3,0xff,0x7e,0x34,0xf8,0xce,0xd6,0x6a,0x47,0x3a,0xe1,0x5f,0x42,0x92,0xa9,0x63,0xb7,0x1d,0xfb,0xe3,0xbc,0xd6,0x2c,0x1e,0x3f,0x23,0xf3,0x44,0xd6,0x27,0x03,0x16,0xf0,0xfc,0x34,0x0e,0x26,0x9a,0x49,0x79,0xb9,0xda,0xf2,0x16,0xa7,0xb5,0x83,0x1f,0x11,0xd4,0x9b,0xad,0xee,0xac,0x68,0x10,0xc2,0xd7,0xf3,0x0e,0xc9,0xb4,0x38,0x0c,0x04,0xad,0xb7,0x24,0x6e,0x8e,0x30,0x23,0x3e,0xe7,0xb7,0xf1,0xd9,0x60,0x38,0x97,0xf5,0x08,0xb5,0xd5,0x60,0x57,0x59},
{0x97,0x63,0xaa,0x04,0xe1,0xbf,0x29,0x61,0xcb,0xfc,0xa7,0xa4,0x08,0x00,0x96,0x8f,0x58,0x94,0x90,0x7d,0x89,0xc0,0x8b,0x3f,0xa9,0x91,0xb2,0xdc,0x3e,0xa4,0x9f,0x70,0x90,0x27,0x02,0xfd,0xeb,0xcb,0x2a,0x88,0x60,0x57,0x11,0xc4,0x05,0x33,0xaf,0x89,0xf4,0x73,0x34,0x7d,0xe3,0x92,0xf4,0x65,0x2b,0x5a,0x51,0x54,0xdf,0xc5,0xb2,0x2c,0xca,0x2a,0xfd,0x63,0x8c,0x5d,0x0a,0xeb,0xff,0x4e,0x69,0x2e,0x66,0xc1,0x2b,0xd2,0x3a,0xb0,0xcb,0xf8,0x6e,0xf3,0x23,0x27,0x1f,0x13,0xc8,0xf0,0xec,0x29,0xf0,0x70},
{0x33,0x3e,0xed,0x2e,0xb3,0x07,0x13,0x46,0xe7,0x81,0x55,0xa4,0x33,0x2f,0x04,0xae,0x66,0x03,0x5f,0x19,0xd3,0x49,0x44,0xc9,0x58,0x48,0x31,0x6c,0x8a,0x5d,0x7d,0x0b,0xb9,0xb0,0x10,0x5e,0xaa,0xaf,0x6a,0x2a,0xa9,0x1a,0x04,0xef,0x70,0xa3,0xf0,0x78,0x1f,0xd6,0x3a,0xaa,0x77,0xfb,0x3e,0x77,0xe1,0xd9,0x4b,0xa7,0xa2,0xa5,0xec,0x44,0x43,0xd5,0x95,0x7b,0x32,0x48,0xd4,0x25,0x1d,0x0f,0x34,0xa3,0x00,0x83,0xd3,0x70,0x2b,0xc5,0xe1,0x60,0x1c,0x53,0x1c,0xde,0xe4,0xe9,0x7d,0x2c,0x51,0x24,0x22,0x27},
{0x2e,0x34,0xc5,0x49,0xaf,0x92,0xbc,0x1a,0xd0,0xfa,0xe6,0xb2,0x11,0xd8,0xee,0xff,0x29,0x4e,0xc8,0xfc,0x8d,0x8c,0xa2,0xef,0x43,0xc5,0x4c,0xa4,0x18,0xdf,0xb5,0x11,0xfc,0x75,0xa9,0x42,0x8a,0xbb,0x7b,0xbf,0x58,0xa3,0xad,0x96,0x77,0x39,0x5c,0x8c,0x48,0xaa,0xed,0xcd,0x6f,0xc7,0x7f,0xe2,0xa6,0x20,0xbc,0xf6,0xd7,0x5f,0x73,0x19,0x66,0x42,0xc8,0x42,0xd0,0x90,0xab,0xe3,0x7e,0x54,0x19,0x7f,0x0f,0x8e,0x84,0xeb,0xb9,0x97,0xa4,0x65,0xd0,0xa1,0x03,0x25,0x5f,0x89,0xdf,0x91,0x11,0x91,0xef,0x0f}
};
NAMESPACE_END // Arch32
NAMESPACE_END // Donna
NAMESPACE_END // CryptoPP
#endif // CRYPTOPP_DOXYGEN_PROCESSING
#endif // CRYPTOPP_DONNA_32_H

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third_party/cryptoppwin/include/cryptopp/donna_64.h vendored Normal file
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@ -0,0 +1,457 @@
// donna_64.h - written and placed in public domain by Jeffrey Walton
// Crypto++ specific implementation wrapped around Andrew
// Moon's public domain curve25519-donna and ed25519-donna,
// https://github.com/floodyberry/curve25519-donna and
// https://github.com/floodyberry/ed25519-donna.
// This source file multiplexes two different repos using namespaces. This
// was a little easier from a project management standpoint. We only need
// two files per architecture at the expense of namespaces and bloat.
#ifndef CRYPTOPP_DONNA_64_H
#define CRYPTOPP_DONNA_64_H
#ifndef CRYPTOPP_DOXYGEN_PROCESSING
#include "config.h"
#if defined(CRYPTOPP_MSC_VERSION)
# include <intrin.h>
# pragma intrinsic(_umul128)
# pragma intrinsic(__shiftright128)
#endif
NAMESPACE_BEGIN(CryptoPP)
NAMESPACE_BEGIN(Donna)
NAMESPACE_BEGIN(Arch64)
using CryptoPP::byte;
using CryptoPP::word32;
using CryptoPP::word64;
// ******************** x25519 Agreement ************************* //
#define ALIGN(n) CRYPTOPP_ALIGN_DATA(n)
typedef word64 bignum25519[5];
const byte basePoint[32] = {9};
const word64 reduce_mask_40 = ((word64)1 << 40) - 1;
const word64 reduce_mask_51 = ((word64)1 << 51) - 1;
const word64 reduce_mask_52 = ((word64)1 << 52) - 1;
const word64 reduce_mask_56 = ((word64)1 << 56) - 1;
const word64 two54m152 = (((word64)1) << 54) - 152;
const word64 two54m8 = (((word64)1) << 54) - 8;
#if defined(CRYPTOPP_WORD128_AVAILABLE)
using CryptoPP::word128;
# define lo128(a) ((word64)a)
# define hi128(a) ((word64)(a >> 64))
# define add128(a,b) a += b;
# define add128_64(a,b) a += (word64)b;
# define mul64x64_128(out,a,b) out = (word128)a * b;
# define shr128(out,in,shift) out = (word64)(in >> (shift));
# define shl128(out,in,shift) out = (word64)((in << shift) >> 64);
#elif defined(CRYPTOPP_MSC_VERSION)
struct word128 { word64 lo, hi; };
# define mul64x64_128(out,a,b) out.lo = _umul128(a,b,&out.hi);
# define shr128_pair(out,hi,lo,shift) out = __shiftright128(lo, hi, shift);
# define shl128_pair(out,hi,lo,shift) out = __shiftleft128(lo, hi, shift);
# define shr128(out,in,shift) shr128_pair(out, in.hi, in.lo, shift)
# define shl128(out,in,shift) shl128_pair(out, in.hi, in.lo, shift)
# define add128(a,b) { word64 p = a.lo; a.lo += b.lo; a.hi += b.hi + (a.lo < p); }
# define add128_64(a,b) { word64 p = a.lo; a.lo += b; a.hi += (a.lo < p); }
# define lo128(a) (a.lo)
# define hi128(a) (a.hi)
#elif defined(__GNUC__) && (defined(__amd64__) || defined(__x86_64__))
struct word128 { word64 lo, hi; };
# define mul64x64_128(out,a,b) __asm__ ("mulq %3" : "=a" (out.lo), "=d" (out.hi) : "a" (a), "rm" (b));
# define shr128_pair(out,hi,lo,shift) __asm__ ("shrdq %2,%1,%0" : "+r" (lo) : "r" (hi), "J" (shift)); out = lo;
# define shl128_pair(out,hi,lo,shift) __asm__ ("shldq %2,%1,%0" : "+r" (hi) : "r" (lo), "J" (shift)); out = hi;
# define shr128(out,in,shift) shr128_pair(out,in.hi, in.lo, shift)
# define shl128(out,in,shift) shl128_pair(out,in.hi, in.lo, shift)
# define add128(a,b) __asm__ ("addq %4,%2; adcq %5,%3" : "=r" (a.hi), "=r" (a.lo) : "1" (a.lo), "0" (a.hi), "rm" (b.lo), "rm" (b.hi) : "cc");
# define add128_64(a,b) __asm__ ("addq %4,%2; adcq $0,%3" : "=r" (a.hi), "=r" (a.lo) : "1" (a.lo), "0" (a.hi), "rm" (b) : "cc");
# define lo128(a) (a.lo)
# define hi128(a) (a.hi)
#else
// https://groups.google.com/forum/#!forum/cryptopp-users
# error "Unsupported platform"
#endif
// ****************** ed25519 Signatures *********************** //
typedef byte hash_512bits[64];
const int bignum256modm_bits_per_limb = 56;
const int bignum256modm_limb_size = 5;
typedef word64 bignum256modm_element_t;
typedef bignum256modm_element_t bignum256modm[5];
/* multiples of p */
const word64 twoP0 = 0x0fffffffffffda;
const word64 twoP1234 = 0x0ffffffffffffe;
const word64 fourP0 = 0x1fffffffffffb4;
const word64 fourP1234 = 0x1ffffffffffffc;
struct ge25519 {
bignum25519 x, y, z, t;
};
struct ge25519_p1p1 {
bignum25519 x, y, z, t;
};
struct ge25519_niels {
bignum25519 ysubx, xaddy, t2d;
};
struct ge25519_pniels {
bignum25519 ysubx, xaddy, z, t2d;
};
#define S1_SWINDOWSIZE 5
#define S1_TABLE_SIZE (1<<(S1_SWINDOWSIZE-2))
#define S2_SWINDOWSIZE 7
#define S2_TABLE_SIZE (1<<(S2_SWINDOWSIZE-2))
// *************** ed25519-donna-64bit-tables.h *************** //
const ge25519 ge25519_basepoint = {
{0x00062d608f25d51a,0x000412a4b4f6592a,0x00075b7171a4b31d,0x0001ff60527118fe,0x000216936d3cd6e5},
{0x0006666666666658,0x0004cccccccccccc,0x0001999999999999,0x0003333333333333,0x0006666666666666},
{0x0000000000000001,0x0000000000000000,0x0000000000000000,0x0000000000000000,0x0000000000000000},
{0x00068ab3a5b7dda3,0x00000eea2a5eadbb,0x0002af8df483c27e,0x000332b375274732,0x00067875f0fd78b7}
};
const bignum25519 ge25519_ecd = {
0x00034dca135978a3,0x0001a8283b156ebd,0x0005e7a26001c029,0x000739c663a03cbb,0x00052036cee2b6ff
};
const bignum25519 ge25519_ec2d = {
0x00069b9426b2f159,0x00035050762add7a,0x0003cf44c0038052,0x0006738cc7407977,0x0002406d9dc56dff
};
const bignum25519 ge25519_sqrtneg1 = {
0x00061b274a0ea0b0,0x0000d5a5fc8f189d,0x0007ef5e9cbd0c60,0x00078595a6804c9e,0x0002b8324804fc1d
};
const ge25519_niels ge25519_niels_sliding_multiples[32] = {
{{0x00003905d740913e,0x0000ba2817d673a2,0x00023e2827f4e67c,0x000133d2e0c21a34,0x00044fd2f9298f81},{0x000493c6f58c3b85,0x0000df7181c325f7,0x0000f50b0b3e4cb7,0x0005329385a44c32,0x00007cf9d3a33d4b},{0x00011205877aaa68,0x000479955893d579,0x00050d66309b67a0,0x0002d42d0dbee5ee,0x0006f117b689f0c6}},
{{0x00011fe8a4fcd265,0x0007bcb8374faacc,0x00052f5af4ef4d4f,0x0005314098f98d10,0x0002ab91587555bd},{0x0005b0a84cee9730,0x00061d10c97155e4,0x0004059cc8096a10,0x00047a608da8014f,0x0007a164e1b9a80f},{0x0006933f0dd0d889,0x00044386bb4c4295,0x0003cb6d3162508c,0x00026368b872a2c6,0x0005a2826af12b9b}},
{{0x000182c3a447d6ba,0x00022964e536eff2,0x000192821f540053,0x0002f9f19e788e5c,0x000154a7e73eb1b5},{0x0002bc4408a5bb33,0x000078ebdda05442,0x0002ffb112354123,0x000375ee8df5862d,0x0002945ccf146e20},{0x0003dbf1812a8285,0x0000fa17ba3f9797,0x0006f69cb49c3820,0x00034d5a0db3858d,0x00043aabe696b3bb}},
{{0x00072c9aaa3221b1,0x000267774474f74d,0x000064b0e9b28085,0x0003f04ef53b27c9,0x0001d6edd5d2e531},{0x00025cd0944ea3bf,0x00075673b81a4d63,0x000150b925d1c0d4,0x00013f38d9294114,0x000461bea69283c9},{0x00036dc801b8b3a2,0x0000e0a7d4935e30,0x0001deb7cecc0d7d,0x000053a94e20dd2c,0x0007a9fbb1c6a0f9}},
{{0x0006217e039d8064,0x0006dea408337e6d,0x00057ac112628206,0x000647cb65e30473,0x00049c05a51fadc9},{0x0006678aa6a8632f,0x0005ea3788d8b365,0x00021bd6d6994279,0x0007ace75919e4e3,0x00034b9ed338add7},{0x0004e8bf9045af1b,0x000514e33a45e0d6,0x0007533c5b8bfe0f,0x000583557b7e14c9,0x00073c172021b008}},
{{0x00075b0249864348,0x00052ee11070262b,0x000237ae54fb5acd,0x0003bfd1d03aaab5,0x00018ab598029d5c},{0x000700848a802ade,0x0001e04605c4e5f7,0x0005c0d01b9767fb,0x0007d7889f42388b,0x0004275aae2546d8},{0x00032cc5fd6089e9,0x000426505c949b05,0x00046a18880c7ad2,0x0004a4221888ccda,0x0003dc65522b53df}},
{{0x0007013b327fbf93,0x0001336eeded6a0d,0x0002b565a2bbf3af,0x000253ce89591955,0x0000267882d17602},{0x0000c222a2007f6d,0x000356b79bdb77ee,0x00041ee81efe12ce,0x000120a9bd07097d,0x000234fd7eec346f},{0x0000a119732ea378,0x00063bf1ba8e2a6c,0x00069f94cc90df9a,0x000431d1779bfc48,0x000497ba6fdaa097}},
{{0x0003cd86468ccf0b,0x00048553221ac081,0x0006c9464b4e0a6e,0x00075fba84180403,0x00043b5cd4218d05},{0x0006cc0313cfeaa0,0x0001a313848da499,0x0007cb534219230a,0x00039596dedefd60,0x00061e22917f12de},{0x0002762f9bd0b516,0x0001c6e7fbddcbb3,0x00075909c3ace2bd,0x00042101972d3ec9,0x000511d61210ae4d}},
{{0x000386484420de87,0x0002d6b25db68102,0x000650b4962873c0,0x0004081cfd271394,0x00071a7fe6fe2482},{0x000676ef950e9d81,0x0001b81ae089f258,0x00063c4922951883,0x0002f1d54d9b3237,0x0006d325924ddb85},{0x000182b8a5c8c854,0x00073fcbe5406d8e,0x0005de3430cff451,0x000554b967ac8c41,0x0004746c4b6559ee}},
{{0x000546c864741147,0x0003a1df99092690,0x0001ca8cc9f4d6bb,0x00036b7fc9cd3b03,0x000219663497db5e},{0x00077b3c6dc69a2b,0x0004edf13ec2fa6e,0x0004e85ad77beac8,0x0007dba2b28e7bda,0x0005c9a51de34fe9},{0x0000f1cf79f10e67,0x00043ccb0a2b7ea2,0x00005089dfff776a,0x0001dd84e1d38b88,0x0004804503c60822}},
{{0x000021d23a36d175,0x0004fd3373c6476d,0x00020e291eeed02a,0x00062f2ecf2e7210,0x000771e098858de4},{0x00049ed02ca37fc7,0x000474c2b5957884,0x0005b8388e816683,0x0004b6c454b76be4,0x000553398a516506},{0x0002f5d278451edf,0x000730b133997342,0x0006965420eb6975,0x000308a3bfa516cf,0x0005a5ed1d68ff5a}},
{{0x0005e0c558527359,0x0003395b73afd75c,0x000072afa4e4b970,0x00062214329e0f6d,0x000019b60135fefd},{0x0005122afe150e83,0x0004afc966bb0232,0x0001c478833c8268,0x00017839c3fc148f,0x00044acb897d8bf9},{0x000068145e134b83,0x0001e4860982c3cc,0x000068fb5f13d799,0x0007c9283744547e,0x000150c49fde6ad2}},
{{0x0001863c9cdca868,0x0003770e295a1709,0x0000d85a3720fd13,0x0005e0ff1f71ab06,0x00078a6d7791e05f},{0x0003f29509471138,0x000729eeb4ca31cf,0x00069c22b575bfbc,0x0004910857bce212,0x0006b2b5a075bb99},{0x0007704b47a0b976,0x0002ae82e91aab17,0x00050bd6429806cd,0x00068055158fd8ea,0x000725c7ffc4ad55}},
{{0x00002bf71cd098c0,0x00049dabcc6cd230,0x00040a6533f905b2,0x000573efac2eb8a4,0x0004cd54625f855f},{0x00026715d1cf99b2,0x0002205441a69c88,0x000448427dcd4b54,0x0001d191e88abdc5,0x000794cc9277cb1f},{0x0006c426c2ac5053,0x0005a65ece4b095e,0x0000c44086f26bb6,0x0007429568197885,0x0007008357b6fcc8}},
{{0x00039fbb82584a34,0x00047a568f257a03,0x00014d88091ead91,0x0002145b18b1ce24,0x00013a92a3669d6d},{0x0000672738773f01,0x000752bf799f6171,0x0006b4a6dae33323,0x0007b54696ead1dc,0x00006ef7e9851ad0},{0x0003771cc0577de5,0x0003ca06bb8b9952,0x00000b81c5d50390,0x00043512340780ec,0x0003c296ddf8a2af}},
{{0x00034d2ebb1f2541,0x0000e815b723ff9d,0x000286b416e25443,0x0000bdfe38d1bee8,0x0000a892c7007477},{0x000515f9d914a713,0x00073191ff2255d5,0x00054f5cc2a4bdef,0x0003dd57fc118bcf,0x0007a99d393490c7},{0x0002ed2436bda3e8,0x00002afd00f291ea,0x0000be7381dea321,0x0003e952d4b2b193,0x000286762d28302f}},
{{0x00058e2bce2ef5bd,0x00068ce8f78c6f8a,0x0006ee26e39261b2,0x00033d0aa50bcf9d,0x0007686f2a3d6f17},{0x000036093ce35b25,0x0003b64d7552e9cf,0x00071ee0fe0b8460,0x00069d0660c969e5,0x00032f1da046a9d9},{0x000512a66d597c6a,0x0000609a70a57551,0x000026c08a3c464c,0x0004531fc8ee39e1,0x000561305f8a9ad2}},
{{0x0002cc28e7b0c0d5,0x00077b60eb8a6ce4,0x0004042985c277a6,0x000636657b46d3eb,0x000030a1aef2c57c},{0x0004978dec92aed1,0x000069adae7ca201,0x00011ee923290f55,0x00069641898d916c,0x00000aaec53e35d4},{0x0001f773003ad2aa,0x000005642cc10f76,0x00003b48f82cfca6,0x0002403c10ee4329,0x00020be9c1c24065}},
{{0x0000e44ae2025e60,0x0005f97b9727041c,0x0005683472c0ecec,0x000188882eb1ce7c,0x00069764c545067e},{0x000387d8249673a6,0x0005bea8dc927c2a,0x0005bd8ed5650ef0,0x0000ef0e3fcd40e1,0x000750ab3361f0ac},{0x00023283a2f81037,0x000477aff97e23d1,0x0000b8958dbcbb68,0x0000205b97e8add6,0x00054f96b3fb7075}},
{{0x0005afc616b11ecd,0x00039f4aec8f22ef,0x0003b39e1625d92e,0x0005f85bd4508873,0x00078e6839fbe85d},{0x0005f20429669279,0x00008fafae4941f5,0x00015d83c4eb7688,0x0001cf379eca4146,0x0003d7fe9c52bb75},{0x00032df737b8856b,0x0000608342f14e06,0x0003967889d74175,0x0001211907fba550,0x00070f268f350088}},
{{0x0004112070dcf355,0x0007dcff9c22e464,0x00054ada60e03325,0x00025cd98eef769a,0x000404e56c039b8c},{0x00064583b1805f47,0x00022c1baf832cd0,0x000132c01bd4d717,0x0004ecf4c3a75b8f,0x0007c0d345cfad88},{0x00071f4b8c78338a,0x00062cfc16bc2b23,0x00017cf51280d9aa,0x0003bbae5e20a95a,0x00020d754762aaec}},
{{0x0004feb135b9f543,0x00063bd192ad93ae,0x00044e2ea612cdf7,0x000670f4991583ab,0x00038b8ada8790b4},{0x0007c36fc73bb758,0x0004a6c797734bd1,0x0000ef248ab3950e,0x00063154c9a53ec8,0x0002b8f1e46f3cee},{0x00004a9cdf51f95d,0x0005d963fbd596b8,0x00022d9b68ace54a,0x0004a98e8836c599,0x000049aeb32ceba1}},
{{0x00067d3c63dcfe7e,0x000112f0adc81aee,0x00053df04c827165,0x0002fe5b33b430f0,0x00051c665e0c8d62},{0x00007d0b75fc7931,0x00016f4ce4ba754a,0x0005ace4c03fbe49,0x00027e0ec12a159c,0x000795ee17530f67},{0x00025b0a52ecbd81,0x0005dc0695fce4a9,0x0003b928c575047d,0x00023bf3512686e5,0x0006cd19bf49dc54}},
{{0x0007619052179ca3,0x0000c16593f0afd0,0x000265c4795c7428,0x00031c40515d5442,0x0007520f3db40b2e},{0x0006612165afc386,0x0001171aa36203ff,0x0002642ea820a8aa,0x0001f3bb7b313f10,0x0005e01b3a7429e4},{0x00050be3d39357a1,0x0003ab33d294a7b6,0x0004c479ba59edb3,0x0004c30d184d326f,0x00071092c9ccef3c}},
{{0x0000523f0364918c,0x000687f56d638a7b,0x00020796928ad013,0x0005d38405a54f33,0x0000ea15b03d0257},{0x0003d8ac74051dcf,0x00010ab6f543d0ad,0x0005d0f3ac0fda90,0x0005ef1d2573e5e4,0x0004173a5bb7137a},{0x00056e31f0f9218a,0x0005635f88e102f8,0x0002cbc5d969a5b8,0x000533fbc98b347a,0x0005fc565614a4e3}},
{{0x0006570dc46d7ae5,0x00018a9f1b91e26d,0x000436b6183f42ab,0x000550acaa4f8198,0x00062711c414c454},{0x0002e1e67790988e,0x0001e38b9ae44912,0x000648fbb4075654,0x00028df1d840cd72,0x0003214c7409d466},{0x0001827406651770,0x0004d144f286c265,0x00017488f0ee9281,0x00019e6cdb5c760c,0x0005bea94073ecb8}},
{{0x0005bf0912c89be4,0x00062fadcaf38c83,0x00025ec196b3ce2c,0x00077655ff4f017b,0x0003aacd5c148f61},{0x0000ce63f343d2f8,0x0001e0a87d1e368e,0x000045edbc019eea,0x0006979aed28d0d1,0x0004ad0785944f1b},{0x00063b34c3318301,0x0000e0e62d04d0b1,0x000676a233726701,0x00029e9a042d9769,0x0003aff0cb1d9028}},
{{0x0005c7eb3a20405e,0x0005fdb5aad930f8,0x0004a757e63b8c47,0x00028e9492972456,0x000110e7e86f4cd2},{0x0006430bf4c53505,0x000264c3e4507244,0x00074c9f19a39270,0x00073f84f799bc47,0x0002ccf9f732bd99},{0x0000d89ed603f5e4,0x00051e1604018af8,0x0000b8eedc4a2218,0x00051ba98b9384d0,0x00005c557e0b9693}},
{{0x0001ce311fc97e6f,0x0006023f3fb5db1f,0x0007b49775e8fc98,0x0003ad70adbf5045,0x0006e154c178fe98},{0x0006bbb089c20eb0,0x0006df41fb0b9eee,0x00051087ed87e16f,0x000102db5c9fa731,0x000289fef0841861},{0x00016336fed69abf,0x0004f066b929f9ec,0x0004e9ff9e6c5b93,0x00018c89bc4bb2ba,0x0006afbf642a95ca}},
{{0x0000de0c62f5d2c1,0x00049601cf734fb5,0x0006b5c38263f0f6,0x0004623ef5b56d06,0x0000db4b851b9503},{0x00055070f913a8cc,0x000765619eac2bbc,0x0003ab5225f47459,0x00076ced14ab5b48,0x00012c093cedb801},{0x00047f9308b8190f,0x000414235c621f82,0x00031f5ff41a5a76,0x0006736773aab96d,0x00033aa8799c6635}},
{{0x0007f51ebd085cf2,0x00012cfa67e3f5e1,0x0001800cf1e3d46a,0x00054337615ff0a8,0x000233c6f29e8e21},{0x0000f588fc156cb1,0x000363414da4f069,0x0007296ad9b68aea,0x0004d3711316ae43,0x000212cd0c1c8d58},{0x0004d5107f18c781,0x00064a4fd3a51a5e,0x0004f4cd0448bb37,0x000671d38543151e,0x0001db7778911914}},
{{0x000352397c6bc26f,0x00018a7aa0227bbe,0x0005e68cc1ea5f8b,0x0006fe3e3a7a1d5f,0x00031ad97ad26e2a},{0x00014769dd701ab6,0x00028339f1b4b667,0x0004ab214b8ae37b,0x00025f0aefa0b0fe,0x0007ae2ca8a017d2},{0x000017ed0920b962,0x000187e33b53b6fd,0x00055829907a1463,0x000641f248e0a792,0x0001ed1fc53a6622}}
};
// ****************** modm-donna-64bit.h *********************** //
const bignum256modm modm_m = {
0x12631a5cf5d3ed, 0xf9dea2f79cd658,
0x000000000014de, 0x00000000000000,
0x00000010000000
};
const bignum256modm modm_mu = {
0x9ce5a30a2c131b, 0x215d086329a7ed,
0xffffffffeb2106, 0xffffffffffffff,
0x00000fffffffff
};
// *************** ed25519-donna-basepoint-table.h *************** //
/* multiples of the base point in packed {ysubx, xaddy, t2d} form */
ALIGN(16) const byte ge25519_niels_base_multiples[256][96] = {
{0x3e,0x91,0x40,0xd7,0x05,0x39,0x10,0x9d,0xb3,0xbe,0x40,0xd1,0x05,0x9f,0x39,0xfd,0x09,0x8a,0x8f,0x68,0x34,0x84,0xc1,0xa5,0x67,0x12,0xf8,0x98,0x92,0x2f,0xfd,0x44,0x85,0x3b,0x8c,0xf5,0xc6,0x93,0xbc,0x2f,0x19,0x0e,0x8c,0xfb,0xc6,0x2d,0x93,0xcf,0xc2,0x42,0x3d,0x64,0x98,0x48,0x0b,0x27,0x65,0xba,0xd4,0x33,0x3a,0x9d,0xcf,0x07,0x59,0xbb,0x6f,0x4b,0x67,0x15,0xbd,0xdb,0xea,0xa5,0xa2,0xee,0x00,0x3f,0xe1,0x41,0xfa,0xc6,0x57,0xc9,0x1c,0x9d,0xd4,0xcd,0xca,0xec,0x16,0xaf,0x1f,0xbe,0x0e,0x4f},
{0xa8,0xd5,0xb4,0x42,0x60,0xa5,0x99,0x8a,0xf6,0xac,0x60,0x4e,0x0c,0x81,0x2b,0x8f,0xaa,0x37,0x6e,0xb1,0x6b,0x23,0x9e,0xe0,0x55,0x25,0xc9,0x69,0xa6,0x95,0xb5,0x6b,0xd7,0x71,0x3c,0x93,0xfc,0xe7,0x24,0x92,0xb5,0xf5,0x0f,0x7a,0x96,0x9d,0x46,0x9f,0x02,0x07,0xd6,0xe1,0x65,0x9a,0xa6,0x5a,0x2e,0x2e,0x7d,0xa8,0x3f,0x06,0x0c,0x59,0x02,0x68,0xd3,0xda,0xaa,0x7e,0x34,0x6e,0x05,0x48,0xee,0x83,0x93,0x59,0xf3,0xba,0x26,0x68,0x07,0xe6,0x10,0xbe,0xca,0x3b,0xb8,0xd1,0x5e,0x16,0x0a,0x4f,0x31,0x49},
{0x65,0xd2,0xfc,0xa4,0xe8,0x1f,0x61,0x56,0x7d,0xba,0xc1,0xe5,0xfd,0x53,0xd3,0x3b,0xbd,0xd6,0x4b,0x21,0x1a,0xf3,0x31,0x81,0x62,0xda,0x5b,0x55,0x87,0x15,0xb9,0x2a,0x30,0x97,0xee,0x4c,0xa8,0xb0,0x25,0xaf,0x8a,0x4b,0x86,0xe8,0x30,0x84,0x5a,0x02,0x32,0x67,0x01,0x9f,0x02,0x50,0x1b,0xc1,0xf4,0xf8,0x80,0x9a,0x1b,0x4e,0x16,0x7a,0x34,0x48,0x67,0xf1,0xf4,0x11,0xf2,0x9b,0x95,0xf8,0x2d,0xf6,0x17,0x6b,0x4e,0xb8,0x4e,0x2a,0x72,0x5b,0x07,0x6f,0xde,0xd7,0x21,0x2a,0xbb,0x63,0xb9,0x04,0x9a,0x54},
{0xbf,0x18,0x68,0x05,0x0a,0x05,0xfe,0x95,0xa9,0xfa,0x60,0x56,0x71,0x89,0x7e,0x32,0x73,0x50,0xa0,0x06,0xcd,0xe3,0xe8,0xc3,0x9a,0xa4,0x45,0x74,0x4c,0x3f,0x93,0x27,0x9f,0x09,0xfc,0x8e,0xb9,0x51,0x73,0x28,0x38,0x25,0xfd,0x7d,0xf4,0xc6,0x65,0x67,0x65,0x92,0x0a,0xfb,0x3d,0x8d,0x34,0xca,0x27,0x87,0xe5,0x21,0x03,0x91,0x0e,0x68,0xb0,0x26,0x14,0xe5,0xec,0x45,0x1e,0xbf,0x94,0x0f,0xba,0x6d,0x3d,0xc6,0x2b,0xe3,0xc0,0x52,0xf8,0x8c,0xd5,0x74,0x29,0xe4,0x18,0x4c,0xe6,0xb0,0xb1,0x79,0xf0,0x44},
{0xba,0xd6,0x47,0xa4,0xc3,0x82,0x91,0x7f,0xb7,0x29,0x27,0x4b,0xd1,0x14,0x00,0xd5,0x87,0xa0,0x64,0xb8,0x1c,0xf1,0x3c,0xe3,0xf3,0x55,0x1b,0xeb,0x73,0x7e,0x4a,0x15,0x33,0xbb,0xa5,0x08,0x44,0xbc,0x12,0xa2,0x02,0xed,0x5e,0xc7,0xc3,0x48,0x50,0x8d,0x44,0xec,0xbf,0x5a,0x0c,0xeb,0x1b,0xdd,0xeb,0x06,0xe2,0x46,0xf1,0xcc,0x45,0x29,0xb3,0x03,0xd0,0xe7,0x79,0xa1,0x32,0xc8,0x7e,0x4d,0x12,0x00,0x0a,0x9d,0x72,0x5f,0xf3,0x8f,0x6d,0x0e,0xa1,0xd4,0xc1,0x62,0x98,0x7a,0xb2,0x38,0x59,0xac,0xb8,0x68},
{0xa4,0x8c,0x7d,0x7b,0xb6,0x06,0x98,0x49,0x39,0x27,0xd2,0x27,0x84,0xe2,0x5b,0x57,0xb9,0x53,0x45,0x20,0xe7,0x5c,0x08,0xbb,0x84,0x78,0x41,0xae,0x41,0x4c,0xb6,0x38,0x31,0x71,0x15,0x77,0xeb,0xee,0x0c,0x3a,0x88,0xaf,0xc8,0x00,0x89,0x15,0x27,0x9b,0x36,0xa7,0x59,0xda,0x68,0xb6,0x65,0x80,0xbd,0x38,0xcc,0xa2,0xb6,0x7b,0xe5,0x51,0xa4,0xe3,0x9d,0x68,0x91,0xad,0x9d,0x8f,0x37,0x91,0xfb,0xf8,0x28,0x24,0x5f,0x17,0x88,0xb9,0xcf,0x9f,0x32,0xb5,0x0a,0x05,0x9f,0xc0,0x54,0x13,0xa2,0xdf,0x65,0x78},
{0xb1,0x21,0x32,0xaa,0x9a,0x2c,0x6f,0xba,0xa7,0x23,0xba,0x3b,0x53,0x21,0xa0,0x6c,0x3a,0x2c,0x19,0x92,0x4f,0x76,0xea,0x9d,0xe0,0x17,0x53,0x2e,0x5d,0xdd,0x6e,0x1d,0xbf,0xa3,0x4e,0x94,0xd0,0x5c,0x1a,0x6b,0xd2,0xc0,0x9d,0xb3,0x3a,0x35,0x70,0x74,0x49,0x2e,0x54,0x28,0x82,0x52,0xb2,0x71,0x7e,0x92,0x3c,0x28,0x69,0xea,0x1b,0x46,0x36,0xda,0x0f,0xab,0xac,0x8a,0x7a,0x21,0xc8,0x49,0x35,0x3d,0x54,0xc6,0x28,0xa5,0x68,0x75,0xab,0x13,0x8b,0x5b,0xd0,0x37,0x37,0xbc,0x2c,0x3a,0x62,0xef,0x3c,0x23},
{0xd9,0x34,0x92,0xf3,0xed,0x5d,0xa7,0xe2,0xf9,0x58,0xb5,0xe1,0x80,0x76,0x3d,0x96,0xfb,0x23,0x3c,0x6e,0xac,0x41,0x27,0x2c,0xc3,0x01,0x0e,0x32,0xa1,0x24,0x90,0x3a,0x8f,0x3e,0xdd,0x04,0x66,0x59,0xb7,0x59,0x2c,0x70,0x88,0xe2,0x77,0x03,0xb3,0x6c,0x23,0xc3,0xd9,0x5e,0x66,0x9c,0x33,0xb1,0x2f,0xe5,0xbc,0x61,0x60,0xe7,0x15,0x09,0x7e,0xa3,0x34,0xa8,0x35,0xe8,0x7d,0xdf,0xea,0x57,0x98,0x68,0xda,0x9c,0xe1,0x8b,0x26,0xb3,0x67,0x71,0x36,0x85,0x11,0x2c,0xc2,0xd5,0xef,0xdb,0xd9,0xb3,0x9e,0x58},
{0x5e,0x51,0xaa,0x49,0x54,0x63,0x5b,0xed,0x3a,0x82,0xc6,0x0b,0x9f,0xc4,0x65,0xa8,0xc4,0xd1,0x42,0x5b,0xe9,0x1f,0x0c,0x85,0xb9,0x15,0xd3,0x03,0x6f,0x6d,0xd7,0x30,0x1d,0x9c,0x2f,0x63,0x0e,0xdd,0xcc,0x2e,0x15,0x31,0x89,0x76,0x96,0xb6,0xd0,0x51,0x58,0x7a,0x63,0xa8,0x6b,0xb7,0xdf,0x52,0x39,0xef,0x0e,0xa0,0x49,0x7d,0xd3,0x6d,0xc7,0xe4,0x06,0x21,0x17,0x44,0x44,0x6c,0x69,0x7f,0x8d,0x92,0x80,0xd6,0x53,0xfb,0x26,0x3f,0x4d,0x69,0xa4,0x9e,0x73,0xb4,0xb0,0x4b,0x86,0x2e,0x11,0x97,0xc6,0x10},
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{0x0f,0x3a,0xd4,0xa0,0x5e,0x27,0xbf,0x67,0xbe,0xee,0x9b,0x08,0x34,0x8e,0xe6,0xad,0x2e,0xe7,0x79,0xd4,0x4c,0x13,0x89,0x42,0x54,0x54,0xba,0x32,0xc3,0xf9,0x62,0x0f,0xe1,0x21,0xb3,0xe3,0xd0,0xe4,0x04,0x62,0x95,0x1e,0xff,0x28,0x7a,0x63,0xaa,0x3b,0x9e,0xbd,0x99,0x5b,0xfd,0xcf,0x0c,0x0b,0x71,0xd0,0xc8,0x64,0x3e,0xdc,0x22,0x4d,0x39,0x5f,0x3b,0xd6,0x89,0x65,0xb4,0xfc,0x61,0xcf,0xcb,0x57,0x3f,0x6a,0xae,0x5c,0x05,0xfa,0x3a,0x95,0xd2,0xc2,0xba,0xfe,0x36,0x14,0x37,0x36,0x1a,0xa0,0x0f,0x1c},
{0xff,0x3d,0x94,0x22,0xb6,0x04,0xc6,0xd2,0xa0,0xb3,0xcf,0x44,0xce,0xbe,0x8c,0xbc,0x78,0x86,0x80,0x97,0xf3,0x4f,0x25,0x5d,0xbf,0xa6,0x1c,0x3b,0x4f,0x61,0xa3,0x0f,0x50,0x6a,0x93,0x8c,0x0e,0x2b,0x08,0x69,0xb6,0xc5,0xda,0xc1,0x35,0xa0,0xc9,0xf9,0x34,0xb6,0xdf,0xc4,0x54,0x3e,0xb7,0x6f,0x40,0xc1,0x2b,0x1d,0x9b,0x41,0x05,0x40,0xf0,0x82,0xbe,0xb9,0xbd,0xfe,0x03,0xa0,0x90,0xac,0x44,0x3a,0xaf,0xc1,0x89,0x20,0x8e,0xfa,0x54,0x19,0x91,0x9f,0x49,0xf8,0x42,0xab,0x40,0xef,0x8a,0x21,0xba,0x1f},
{0x3e,0xf5,0xc8,0xfa,0x48,0x94,0x54,0xab,0x41,0x37,0xa6,0x7b,0x9a,0xe8,0xf6,0x81,0x01,0x5e,0x2b,0x6c,0x7d,0x6c,0xfd,0x74,0x42,0x6e,0xc8,0xa8,0xca,0x3a,0x2e,0x39,0x94,0x01,0x7b,0x3e,0x04,0x57,0x3e,0x4f,0x7f,0xaf,0xda,0x08,0xee,0x3e,0x1d,0xa8,0xf1,0xde,0xdc,0x99,0xab,0xc6,0x39,0xc8,0xd5,0x61,0x77,0xff,0x13,0x5d,0x53,0x6c,0xaf,0x35,0x8a,0x3e,0xe9,0x34,0xbd,0x4c,0x16,0xe8,0x87,0x58,0x44,0x81,0x07,0x2e,0xab,0xb0,0x9a,0xf2,0x76,0x9c,0x31,0x19,0x3b,0xc1,0x0a,0xd5,0xe4,0x7f,0xe1,0x25},
{0x76,0xf6,0x04,0x1e,0xd7,0x9b,0x28,0x0a,0x95,0x0f,0x42,0xd6,0x52,0x1c,0x8e,0x20,0xab,0x1f,0x69,0x34,0xb0,0xd8,0x86,0x51,0x51,0xb3,0x9f,0x2a,0x44,0x51,0x57,0x25,0xa7,0x21,0xf1,0x76,0xf5,0x7f,0x5f,0x91,0xe3,0x87,0xcd,0x2f,0x27,0x32,0x4a,0xc3,0x26,0xe5,0x1b,0x4d,0xde,0x2f,0xba,0xcc,0x9b,0x89,0x69,0x89,0x8f,0x82,0xba,0x6b,0x01,0x39,0xfe,0x90,0x66,0xbc,0xd1,0xe2,0xd5,0x7a,0x99,0xa0,0x18,0x4a,0xb5,0x4c,0xd4,0x60,0x84,0xaf,0x14,0x69,0x1d,0x97,0xe4,0x7b,0x6b,0x7f,0x4f,0x50,0x9d,0x55},
{0xd5,0x54,0xeb,0xb3,0x78,0x83,0x73,0xa7,0x7c,0x3c,0x55,0xa5,0x66,0xd3,0x69,0x1d,0xba,0x00,0x28,0xf9,0x62,0xcf,0x26,0x0a,0x17,0x32,0x7e,0x80,0xd5,0x12,0xab,0x01,0xfd,0x66,0xd2,0xf6,0xe7,0x91,0x48,0x9c,0x1b,0x78,0x07,0x03,0x9b,0xa1,0x44,0x07,0x3b,0xe2,0x61,0x60,0x1d,0x8f,0x38,0x88,0x0e,0xd5,0x4b,0x35,0xa3,0xa6,0x3e,0x12,0x96,0x2d,0xe3,0x41,0x90,0x18,0x8d,0x11,0x48,0x58,0x31,0xd8,0xc2,0xe3,0xed,0xb9,0xd9,0x45,0x32,0xd8,0x71,0x42,0xab,0x1e,0x54,0xa1,0x18,0xc9,0xe2,0x61,0x39,0x4a},
{0xa0,0xbb,0xe6,0xf8,0xe0,0x3b,0xdc,0x71,0x0a,0xe3,0xff,0x7e,0x34,0xf8,0xce,0xd6,0x6a,0x47,0x3a,0xe1,0x5f,0x42,0x92,0xa9,0x63,0xb7,0x1d,0xfb,0xe3,0xbc,0xd6,0x2c,0x1e,0x3f,0x23,0xf3,0x44,0xd6,0x27,0x03,0x16,0xf0,0xfc,0x34,0x0e,0x26,0x9a,0x49,0x79,0xb9,0xda,0xf2,0x16,0xa7,0xb5,0x83,0x1f,0x11,0xd4,0x9b,0xad,0xee,0xac,0x68,0x10,0xc2,0xd7,0xf3,0x0e,0xc9,0xb4,0x38,0x0c,0x04,0xad,0xb7,0x24,0x6e,0x8e,0x30,0x23,0x3e,0xe7,0xb7,0xf1,0xd9,0x60,0x38,0x97,0xf5,0x08,0xb5,0xd5,0x60,0x57,0x59},
{0x97,0x63,0xaa,0x04,0xe1,0xbf,0x29,0x61,0xcb,0xfc,0xa7,0xa4,0x08,0x00,0x96,0x8f,0x58,0x94,0x90,0x7d,0x89,0xc0,0x8b,0x3f,0xa9,0x91,0xb2,0xdc,0x3e,0xa4,0x9f,0x70,0x90,0x27,0x02,0xfd,0xeb,0xcb,0x2a,0x88,0x60,0x57,0x11,0xc4,0x05,0x33,0xaf,0x89,0xf4,0x73,0x34,0x7d,0xe3,0x92,0xf4,0x65,0x2b,0x5a,0x51,0x54,0xdf,0xc5,0xb2,0x2c,0xca,0x2a,0xfd,0x63,0x8c,0x5d,0x0a,0xeb,0xff,0x4e,0x69,0x2e,0x66,0xc1,0x2b,0xd2,0x3a,0xb0,0xcb,0xf8,0x6e,0xf3,0x23,0x27,0x1f,0x13,0xc8,0xf0,0xec,0x29,0xf0,0x70},
{0x33,0x3e,0xed,0x2e,0xb3,0x07,0x13,0x46,0xe7,0x81,0x55,0xa4,0x33,0x2f,0x04,0xae,0x66,0x03,0x5f,0x19,0xd3,0x49,0x44,0xc9,0x58,0x48,0x31,0x6c,0x8a,0x5d,0x7d,0x0b,0xb9,0xb0,0x10,0x5e,0xaa,0xaf,0x6a,0x2a,0xa9,0x1a,0x04,0xef,0x70,0xa3,0xf0,0x78,0x1f,0xd6,0x3a,0xaa,0x77,0xfb,0x3e,0x77,0xe1,0xd9,0x4b,0xa7,0xa2,0xa5,0xec,0x44,0x43,0xd5,0x95,0x7b,0x32,0x48,0xd4,0x25,0x1d,0x0f,0x34,0xa3,0x00,0x83,0xd3,0x70,0x2b,0xc5,0xe1,0x60,0x1c,0x53,0x1c,0xde,0xe4,0xe9,0x7d,0x2c,0x51,0x24,0x22,0x27},
{0x2e,0x34,0xc5,0x49,0xaf,0x92,0xbc,0x1a,0xd0,0xfa,0xe6,0xb2,0x11,0xd8,0xee,0xff,0x29,0x4e,0xc8,0xfc,0x8d,0x8c,0xa2,0xef,0x43,0xc5,0x4c,0xa4,0x18,0xdf,0xb5,0x11,0xfc,0x75,0xa9,0x42,0x8a,0xbb,0x7b,0xbf,0x58,0xa3,0xad,0x96,0x77,0x39,0x5c,0x8c,0x48,0xaa,0xed,0xcd,0x6f,0xc7,0x7f,0xe2,0xa6,0x20,0xbc,0xf6,0xd7,0x5f,0x73,0x19,0x66,0x42,0xc8,0x42,0xd0,0x90,0xab,0xe3,0x7e,0x54,0x19,0x7f,0x0f,0x8e,0x84,0xeb,0xb9,0x97,0xa4,0x65,0xd0,0xa1,0x03,0x25,0x5f,0x89,0xdf,0x91,0x11,0x91,0xef,0x0f}
};
NAMESPACE_END // Arch64
NAMESPACE_END // Donna
NAMESPACE_END // CryptoPP
#endif // CRYPTOPP_DOXYGEN_PROCESSING
#endif // CRYPTOPP_DONNA_64_H

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// donna_sse.h - written and placed in public domain by Jeffrey Walton
// Crypto++ specific implementation wrapped around Andrew
// Moon's public domain curve25519-donna and ed25519-donna,
// https://github.com/floodyberry/curve25519-donna and
// https://github.com/floodyberry/ed25519-donna.
// This source file multiplexes two different repos using namespaces. This
// was a little easier from a project management standpoint. We only need
// two files per architecture at the expense of namespaces and bloat.
#ifndef CRYPTOPP_DONNA_SSE_H
#define CRYPTOPP_DONNA_SSE_H
#ifndef CRYPTOPP_DOXYGEN_PROCESSING
#include "config.h"
#include <emmintrin.h>
NAMESPACE_BEGIN(CryptoPP)
NAMESPACE_BEGIN(Donna)
NAMESPACE_BEGIN(ArchSSE)
using CryptoPP::byte;
using CryptoPP::word32;
typedef __m128i xmmi;
#define ALIGN(n) CRYPTOPP_ALIGN_DATA(n)
typedef union packedelem8_t {
byte u[16];
xmmi v;
} packedelem8;
typedef union packedelem32_t {
word32 u[4];
xmmi v;
} packedelem32;
typedef union packedelem64_t {
word64 u[2];
xmmi v;
} packedelem64;
/* 10 elements + an extra 2 to fit in 3 xmm registers */
typedef word32 bignum25519[12];
typedef packedelem32 packed32bignum25519[5];
typedef packedelem64 packed64bignum25519[10];
const word32 reduce_mask_26 = (1 << 26) - 1;
const word32 reduce_mask_25 = (1 << 25) - 1;
const packedelem32 sse2_bot32bitmask = {{0xffffffff, 0x00000000, 0xffffffff, 0x00000000}};
const packedelem32 sse2_top32bitmask = {{0x00000000, 0xffffffff, 0x00000000, 0xffffffff}};
const packedelem32 sse2_top64bitmask = {{0x00000000, 0x00000000, 0xffffffff, 0xffffffff}};
const packedelem32 sse2_bot64bitmask = {{0xffffffff, 0xffffffff, 0x00000000, 0x00000000}};
/* reduction masks */
const packedelem64 packedmask26 = {{0x03ffffff, 0x03ffffff}};
const packedelem64 packedmask25 = {{0x01ffffff, 0x01ffffff}};
const packedelem32 packedmask2625 = {{0x3ffffff,0,0x1ffffff,0}};
const packedelem32 packedmask26262626 = {{0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff}};
const packedelem32 packedmask25252525 = {{0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff}};
/* multipliers */
const packedelem64 packednineteen = {{19, 19}};
const packedelem64 packednineteenone = {{19, 1}};
const packedelem64 packedthirtyeight = {{38, 38}};
const packedelem64 packed3819 = {{19*2,19}};
const packedelem64 packed9638 = {{19*4,19*2}};
/* 121666,121665 */
const packedelem64 packed121666121665 = {{121666, 121665}};
/* 2*(2^255 - 19) = 0 mod p */
const packedelem32 packed2p0 = {{0x7ffffda,0x3fffffe,0x7fffffe,0x3fffffe}};
const packedelem32 packed2p1 = {{0x7fffffe,0x3fffffe,0x7fffffe,0x3fffffe}};
const packedelem32 packed2p2 = {{0x7fffffe,0x3fffffe,0x0000000,0x0000000}};
const packedelem32 packed32zeromodp0 = {{0x7ffffda,0x7ffffda,0x3fffffe,0x3fffffe}};
const packedelem32 packed32zeromodp1 = {{0x7fffffe,0x7fffffe,0x3fffffe,0x3fffffe}};
NAMESPACE_END // ArchSSE
NAMESPACE_END // Donna
NAMESPACE_END // CryptoPP
#endif // CRYPTOPP_DOXYGEN_PROCESSING
#endif // CRYPTOPP_DONNA_SSE_H

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// drbg.h - written and placed in public domain by Jeffrey Walton.
/// \file drbg.h
/// \brief Classes for NIST DRBGs from SP 800-90A
/// \sa <A HREF="http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-90Ar1.pdf">Recommendation
/// for Random Number Generation Using Deterministic Random Bit Generators, Rev 1 (June 2015)</A>
/// \since Crypto++ 6.0
#ifndef CRYPTOPP_NIST_DRBG_H
#define CRYPTOPP_NIST_DRBG_H
#include "cryptlib.h"
#include "secblock.h"
#include "hmac.h"
#include "sha.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Interface for NIST DRBGs from SP 800-90A
/// \details NIST_DRBG is the base class interface for NIST DRBGs from SP 800-90A Rev 1 (June 2015)
/// \details You should reseed the generator after a fork() to avoid multiple generators
/// with the same internal state.
/// \sa <A HREF="http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-90Ar1.pdf">Recommendation
/// for Random Number Generation Using Deterministic Random Bit Generators, Rev 1 (June 2015)</A>
/// \since Crypto++ 6.0
class NIST_DRBG : public RandomNumberGenerator
{
public:
/// \brief Exception thrown when a NIST DRBG encounters an error
class Err : public Exception
{
public:
explicit Err(const std::string &c, const std::string &m)
: Exception(OTHER_ERROR, c + ": " + m) {}
};
public:
virtual ~NIST_DRBG() {}
/// \brief Determines if a generator can accept additional entropy
/// \return true
/// \details All NIST_DRBG return true
virtual bool CanIncorporateEntropy() const {return true;}
/// \brief Update RNG state with additional unpredictable values
/// \param input the entropy to add to the generator
/// \param length the size of the input buffer
/// \throw NIST_DRBG::Err if the generator is reseeded with insufficient entropy
/// \details NIST instantiation and reseed requirements demand the generator is constructed
/// with at least <tt>MINIMUM_ENTROPY</tt> entropy. The byte array for <tt>input</tt> must
/// meet <A HREF ="http://csrc.nist.gov/publications/PubsSPs.html">NIST SP 800-90B or
/// SP 800-90C</A> requirements.
virtual void IncorporateEntropy(const byte *input, size_t length)=0;
/// \brief Update RNG state with additional unpredictable values
/// \param entropy the entropy to add to the generator
/// \param entropyLength the size of the input buffer
/// \param additional additional input to add to the generator
/// \param additionaLength the size of the additional input buffer
/// \throw NIST_DRBG::Err if the generator is reseeded with insufficient entropy
/// \details IncorporateEntropy() is an overload provided to match NIST requirements. NIST
/// instantiation and reseed requirements demand the generator is constructed with at least
/// <tt>MINIMUM_ENTROPY</tt> entropy. The byte array for <tt>entropy</tt> must meet
/// <A HREF ="http://csrc.nist.gov/publications/PubsSPs.html">NIST SP 800-90B or
///! SP 800-90C</A> requirements.
virtual void IncorporateEntropy(const byte *entropy, size_t entropyLength, const byte* additional, size_t additionaLength)=0;
/// \brief Generate random array of bytes
/// \param output the byte buffer
/// \param size the length of the buffer, in bytes
/// \throw NIST_DRBG::Err if a reseed is required
/// \throw NIST_DRBG::Err if the size exceeds <tt>MAXIMUM_BYTES_PER_REQUEST</tt>
virtual void GenerateBlock(byte *output, size_t size)=0;
/// \brief Generate random array of bytes
/// \param additional additional input to add to the generator
/// \param additionaLength the size of the additional input buffer
/// \param output the byte buffer
/// \param size the length of the buffer, in bytes
/// \throw NIST_DRBG::Err if a reseed is required
/// \throw NIST_DRBG::Err if the size exceeds <tt>MAXIMUM_BYTES_PER_REQUEST</tt>
/// \details GenerateBlock() is an overload provided to match NIST requirements. The byte
/// array for <tt>additional</tt> input is optional. If present the additional randomness
/// is mixed before generating the output bytes.
virtual void GenerateBlock(const byte* additional, size_t additionaLength, byte *output, size_t size)=0;
/// \brief Provides the security strength
/// \return The security strength of the generator, in bytes
/// \details The equivalent class constant is <tt>SECURITY_STRENGTH</tt>
virtual unsigned int SecurityStrength() const=0;
/// \brief Provides the seed length
/// \return The seed size of the generator, in bytes
/// \details The equivalent class constant is <tt>SEED_LENGTH</tt>. The size is
/// used to maintain internal state of <tt>V</tt> and <tt>C</tt>.
virtual unsigned int SeedLength() const=0;
/// \brief Provides the minimum entropy size
/// \return The minimum entropy size required by the generator, in bytes
/// \details The equivalent class constant is <tt>MINIMUM_ENTROPY</tt>. All NIST DRBGs must
/// be instaniated with at least <tt>MINIMUM_ENTROPY</tt> bytes of entropy. The bytes must
/// meet <A HREF="http://csrc.nist.gov/publications/PubsSPs.html">NIST SP 800-90B or
/// SP 800-90C</A> requirements.
virtual unsigned int MinEntropyLength() const=0;
/// \brief Provides the maximum entropy size
/// \return The maximum entropy size that can be consumed by the generator, in bytes
/// \details The equivalent class constant is <tt>MAXIMUM_ENTROPY</tt>. The bytes must
/// meet <A HREF="http://csrc.nist.gov/publications/PubsSPs.html">NIST SP 800-90B or
/// SP 800-90C</A> requirements. <tt>MAXIMUM_ENTROPY</tt> has been reduced from
/// 2<sup>35</sup> to <tt>INT_MAX</tt> to fit the underlying C++ datatype.
virtual unsigned int MaxEntropyLength() const=0;
/// \brief Provides the minimum nonce size
/// \return The minimum nonce size recommended for the generator, in bytes
/// \details The equivalent class constant is <tt>MINIMUM_NONCE</tt>. If a nonce is not
/// required then <tt>MINIMUM_NONCE</tt> is 0. <tt>Hash_DRBG</tt> does not require a
/// nonce, while <tt>HMAC_DRBG</tt> and <tt>CTR_DRBG</tt> require a nonce.
virtual unsigned int MinNonceLength() const=0;
/// \brief Provides the maximum nonce size
/// \return The maximum nonce that can be consumed by the generator, in bytes
/// \details The equivalent class constant is <tt>MAXIMUM_NONCE</tt>. <tt>MAXIMUM_NONCE</tt>
/// has been reduced from 2<sup>35</sup> to <tt>INT_MAX</tt> to fit the underlying C++ datatype.
/// If a nonce is not required then <tt>MINIMUM_NONCE</tt> is 0. <tt>Hash_DRBG</tt> does not
/// require a nonce, while <tt>HMAC_DRBG</tt> and <tt>CTR_DRBG</tt> require a nonce.
virtual unsigned int MaxNonceLength() const=0;
/// \brief Provides the maximum size of a request to GenerateBlock
/// \return The maximum size of a request to GenerateBlock(), in bytes
/// \details The equivalent class constant is <tt>MAXIMUM_BYTES_PER_REQUEST</tt>
virtual unsigned int MaxBytesPerRequest() const=0;
/// \brief Provides the maximum number of requests before a reseed
/// \return The maximum number of requests before a reseed, in bytes
/// \details The equivalent class constant is <tt>MAXIMUM_REQUESTS_BEFORE_RESEED</tt>.
/// <tt>MAXIMUM_REQUESTS_BEFORE_RESEED</tt> has been reduced from 2<sup>48</sup> to <tt>INT_MAX</tt>
/// to fit the underlying C++ datatype.
virtual unsigned int MaxRequestBeforeReseed() const=0;
protected:
virtual void DRBG_Instantiate(const byte* entropy, size_t entropyLength,
const byte* nonce, size_t nonceLength, const byte* personalization, size_t personalizationLength)=0;
virtual void DRBG_Reseed(const byte* entropy, size_t entropyLength, const byte* additional, size_t additionaLength)=0;
};
// *************************************************************
/// \tparam HASH NIST approved hash derived from HashTransformation
/// \tparam STRENGTH security strength, in bytes
/// \tparam SEEDLENGTH seed length, in bytes
/// \brief Hash_DRBG from SP 800-90A Rev 1 (June 2015)
/// \details The NIST Hash DRBG is instantiated with a number of parameters. Two of the parameters,
/// Security Strength and Seed Length, depend on the hash and are specified as template parameters.
/// The remaining parameters are included in the class. The parameters and their values are listed
/// in NIST SP 800-90A Rev. 1, Table 2: Definitions for Hash-Based DRBG Mechanisms (p.38).
/// \details Some parameters have been reduce to fit C++ datatypes. For example, NIST allows upto
/// 2<sup>48</sup> requests before a reseed. However, Hash_DRBG limits it to <tt>INT_MAX</tt> due
/// to the limited data range of an int.
/// \details You should reseed the generator after a fork() to avoid multiple generators
/// with the same internal state.
/// \sa <A HREF="http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-90Ar1.pdf">Recommendation
/// for Random Number Generation Using Deterministic Random Bit Generators, Rev 1 (June 2015)</A>
/// \since Crypto++ 6.0
template <typename HASH=SHA256, unsigned int STRENGTH=128/8, unsigned int SEEDLENGTH=440/8>
class Hash_DRBG : public NIST_DRBG, public NotCopyable
{
public:
CRYPTOPP_CONSTANT(SECURITY_STRENGTH=STRENGTH);
CRYPTOPP_CONSTANT(SEED_LENGTH=SEEDLENGTH);
CRYPTOPP_CONSTANT(MINIMUM_ENTROPY=STRENGTH);
CRYPTOPP_CONSTANT(MINIMUM_NONCE=0);
CRYPTOPP_CONSTANT(MINIMUM_ADDITIONAL=0);
CRYPTOPP_CONSTANT(MINIMUM_PERSONALIZATION=0);
CRYPTOPP_CONSTANT(MAXIMUM_ENTROPY=INT_MAX);
CRYPTOPP_CONSTANT(MAXIMUM_NONCE=INT_MAX);
CRYPTOPP_CONSTANT(MAXIMUM_ADDITIONAL=INT_MAX);
CRYPTOPP_CONSTANT(MAXIMUM_PERSONALIZATION=INT_MAX);
CRYPTOPP_CONSTANT(MAXIMUM_BYTES_PER_REQUEST=65536);
CRYPTOPP_CONSTANT(MAXIMUM_REQUESTS_BEFORE_RESEED=INT_MAX);
static std::string StaticAlgorithmName() { return std::string("Hash_DRBG(") + HASH::StaticAlgorithmName() + std::string(")"); }
/// \brief Construct a Hash DRBG
/// \param entropy the entropy to instantiate the generator
/// \param entropyLength the size of the entropy buffer
/// \param nonce additional input to instantiate the generator
/// \param nonceLength the size of the nonce buffer
/// \param personalization additional input to instantiate the generator
/// \param personalizationLength the size of the personalization buffer
/// \throw NIST_DRBG::Err if the generator is instantiated with insufficient entropy
/// \details All NIST DRBGs must be instaniated with at least <tt>MINIMUM_ENTROPY</tt> bytes of entropy.
/// The byte array for <tt>entropy</tt> must meet <A HREF ="http://csrc.nist.gov/publications/PubsSPs.html">NIST
/// SP 800-90B or SP 800-90C</A> requirements.
/// \details The <tt>nonce</tt> and <tt>personalization</tt> are optional byte arrays. If <tt>nonce</tt> is supplied,
/// then it should be at least <tt>MINIMUM_NONCE</tt> bytes of entropy.
/// \details An example of instantiating a SHA256 generator is shown below.
/// The example provides more entropy than required for SHA256. The <tt>NonblockingRng</tt> meets the
/// requirements of <A HREF ="http://csrc.nist.gov/publications/PubsSPs.html">NIST SP 800-90B or SP 800-90C</A>.
/// RDRAND() and RDSEED() generators would work as well.
/// <pre>
/// SecByteBlock entropy(48), result(128);
/// NonblockingRng prng;
/// RandomNumberSource rns(prng, entropy.size(), new ArraySink(entropy, entropy.size()));
///
/// Hash_DRBG<SHA256, 128/8, 440/8> drbg(entropy, 32, entropy+32, 16);
/// drbg.GenerateBlock(result, result.size());
/// </pre>
Hash_DRBG(const byte* entropy=NULLPTR, size_t entropyLength=STRENGTH, const byte* nonce=NULLPTR,
size_t nonceLength=0, const byte* personalization=NULLPTR, size_t personalizationLength=0)
: NIST_DRBG(), m_c(SEEDLENGTH), m_v(SEEDLENGTH), m_reseed(0)
{
if (m_c.data()) // GCC analyzer warning
std::memset(m_c.data(), 0x00, m_c.size());
if (m_v.data()) // GCC analyzer warning
std::memset(m_v.data(), 0x00, m_v.size());
if (entropy != NULLPTR && entropyLength != 0)
DRBG_Instantiate(entropy, entropyLength, nonce, nonceLength, personalization, personalizationLength);
}
unsigned int SecurityStrength() const {return SECURITY_STRENGTH;}
unsigned int SeedLength() const {return SEED_LENGTH;}
unsigned int MinEntropyLength() const {return MINIMUM_ENTROPY;}
unsigned int MaxEntropyLength() const {return MAXIMUM_ENTROPY;}
unsigned int MinNonceLength() const {return MINIMUM_NONCE;}
unsigned int MaxNonceLength() const {return MAXIMUM_NONCE;}
unsigned int MaxBytesPerRequest() const {return MAXIMUM_BYTES_PER_REQUEST;}
unsigned int MaxRequestBeforeReseed() const {return MAXIMUM_REQUESTS_BEFORE_RESEED;}
void IncorporateEntropy(const byte *input, size_t length)
{return DRBG_Reseed(input, length, NULLPTR, 0);}
void IncorporateEntropy(const byte *entropy, size_t entropyLength, const byte* additional, size_t additionaLength)
{return DRBG_Reseed(entropy, entropyLength, additional, additionaLength);}
void GenerateBlock(byte *output, size_t size)
{return Hash_Generate(NULLPTR, 0, output, size);}
void GenerateBlock(const byte* additional, size_t additionaLength, byte *output, size_t size)
{return Hash_Generate(additional, additionaLength, output, size);}
std::string AlgorithmProvider() const
{/*Hack*/HASH hash; return hash.AlgorithmProvider();}
protected:
// 10.1.1.2 Instantiation of Hash_DRBG (p.39)
void DRBG_Instantiate(const byte* entropy, size_t entropyLength, const byte* nonce, size_t nonceLength,
const byte* personalization, size_t personalizationLength);
// 10.1.1.3 Reseeding a Hash_DRBG Instantiation (p.40)
void DRBG_Reseed(const byte* entropy, size_t entropyLength, const byte* additional, size_t additionaLength);
// 10.1.1.4 Generating Pseudorandom Bits Using Hash_DRBG (p.41)
void Hash_Generate(const byte* additional, size_t additionaLength, byte *output, size_t size);
// 10.3.1 Derivation Function Using a Hash Function (Hash_df) (p.49)
void Hash_Update(const byte* input1, size_t inlen1, const byte* input2, size_t inlen2,
const byte* input3, size_t inlen3, const byte* input4, size_t inlen4, byte* output, size_t outlen);
private:
HASH m_hash;
SecByteBlock m_c, m_v, m_temp;
word64 m_reseed;
};
// typedef Hash_DRBG<SHA1, 128/8, 440/8> Hash_SHA1_DRBG;
// typedef Hash_DRBG<SHA256, 128/8, 440/8> Hash_SHA256_DRBG;
// typedef Hash_DRBG<SHA384, 256/8, 888/8> Hash_SHA384_DRBG;
// typedef Hash_DRBG<SHA512, 256/8, 888/8> Hash_SHA512_DRBG;
// *************************************************************
/// \tparam HASH NIST approved hash derived from HashTransformation
/// \tparam STRENGTH security strength, in bytes
/// \tparam SEEDLENGTH seed length, in bytes
/// \brief HMAC_DRBG from SP 800-90A Rev 1 (June 2015)
/// \details The NIST HMAC DRBG is instantiated with a number of parameters. Two of the parameters,
/// Security Strength and Seed Length, depend on the hash and are specified as template parameters.
/// The remaining parameters are included in the class. The parameters and their values are listed
/// in NIST SP 800-90A Rev. 1, Table 2: Definitions for Hash-Based DRBG Mechanisms (p.38).
/// \details Some parameters have been reduce to fit C++ datatypes. For example, NIST allows upto 2<sup>48</sup> requests
/// before a reseed. However, HMAC_DRBG limits it to <tt>INT_MAX</tt> due to the limited data range of an int.
/// \details You should reseed the generator after a fork() to avoid multiple generators
/// with the same internal state.
/// \sa <A HREF="http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-90Ar1.pdf">Recommendation
/// for Random Number Generation Using Deterministic Random Bit Generators, Rev 1 (June 2015)</A>
/// \since Crypto++ 6.0
template <typename HASH=SHA256, unsigned int STRENGTH=128/8, unsigned int SEEDLENGTH=440/8>
class HMAC_DRBG : public NIST_DRBG, public NotCopyable
{
public:
CRYPTOPP_CONSTANT(SECURITY_STRENGTH=STRENGTH);
CRYPTOPP_CONSTANT(SEED_LENGTH=SEEDLENGTH);
CRYPTOPP_CONSTANT(MINIMUM_ENTROPY=STRENGTH);
CRYPTOPP_CONSTANT(MINIMUM_NONCE=0);
CRYPTOPP_CONSTANT(MINIMUM_ADDITIONAL=0);
CRYPTOPP_CONSTANT(MINIMUM_PERSONALIZATION=0);
CRYPTOPP_CONSTANT(MAXIMUM_ENTROPY=INT_MAX);
CRYPTOPP_CONSTANT(MAXIMUM_NONCE=INT_MAX);
CRYPTOPP_CONSTANT(MAXIMUM_ADDITIONAL=INT_MAX);
CRYPTOPP_CONSTANT(MAXIMUM_PERSONALIZATION=INT_MAX);
CRYPTOPP_CONSTANT(MAXIMUM_BYTES_PER_REQUEST=65536);
CRYPTOPP_CONSTANT(MAXIMUM_REQUESTS_BEFORE_RESEED=INT_MAX);
static std::string StaticAlgorithmName() { return std::string("HMAC_DRBG(") + HASH::StaticAlgorithmName() + std::string(")"); }
/// \brief Construct a HMAC DRBG
/// \param entropy the entropy to instantiate the generator
/// \param entropyLength the size of the entropy buffer
/// \param nonce additional input to instantiate the generator
/// \param nonceLength the size of the nonce buffer
/// \param personalization additional input to instantiate the generator
/// \param personalizationLength the size of the personalization buffer
/// \throw NIST_DRBG::Err if the generator is instantiated with insufficient entropy
/// \details All NIST DRBGs must be instaniated with at least <tt>MINIMUM_ENTROPY</tt> bytes of entropy.
/// The byte array for <tt>entropy</tt> must meet <A HREF ="http://csrc.nist.gov/publications/PubsSPs.html">NIST
/// SP 800-90B or SP 800-90C</A> requirements.
/// \details The <tt>nonce</tt> and <tt>personalization</tt> are optional byte arrays. If <tt>nonce</tt> is supplied,
/// then it should be at least <tt>MINIMUM_NONCE</tt> bytes of entropy.
/// \details An example of instantiating a SHA256 generator is shown below.
/// The example provides more entropy than required for SHA256. The <tt>NonblockingRng</tt> meets the
/// requirements of <A HREF ="http://csrc.nist.gov/publications/PubsSPs.html">NIST SP 800-90B or SP 800-90C</A>.
/// RDRAND() and RDSEED() generators would work as well.
/// <pre>
/// SecByteBlock entropy(48), result(128);
/// NonblockingRng prng;
/// RandomNumberSource rns(prng, entropy.size(), new ArraySink(entropy, entropy.size()));
///
/// HMAC_DRBG<SHA256, 128/8, 440/8> drbg(entropy, 32, entropy+32, 16);
/// drbg.GenerateBlock(result, result.size());
/// </pre>
HMAC_DRBG(const byte* entropy=NULLPTR, size_t entropyLength=STRENGTH, const byte* nonce=NULLPTR,
size_t nonceLength=0, const byte* personalization=NULLPTR, size_t personalizationLength=0)
: NIST_DRBG(), m_k(HASH::DIGESTSIZE), m_v(HASH::DIGESTSIZE), m_reseed(0)
{
if (m_k.data()) // GCC analyzer warning
std::memset(m_k, 0x00, m_k.size());
if (m_v.data()) // GCC analyzer warning
std::memset(m_v, 0x00, m_v.size());
if (entropy != NULLPTR && entropyLength != 0)
DRBG_Instantiate(entropy, entropyLength, nonce, nonceLength, personalization, personalizationLength);
}
unsigned int SecurityStrength() const {return SECURITY_STRENGTH;}
unsigned int SeedLength() const {return SEED_LENGTH;}
unsigned int MinEntropyLength() const {return MINIMUM_ENTROPY;}
unsigned int MaxEntropyLength() const {return MAXIMUM_ENTROPY;}
unsigned int MinNonceLength() const {return MINIMUM_NONCE;}
unsigned int MaxNonceLength() const {return MAXIMUM_NONCE;}
unsigned int MaxBytesPerRequest() const {return MAXIMUM_BYTES_PER_REQUEST;}
unsigned int MaxRequestBeforeReseed() const {return MAXIMUM_REQUESTS_BEFORE_RESEED;}
void IncorporateEntropy(const byte *input, size_t length)
{return DRBG_Reseed(input, length, NULLPTR, 0);}
void IncorporateEntropy(const byte *entropy, size_t entropyLength, const byte* additional, size_t additionaLength)
{return DRBG_Reseed(entropy, entropyLength, additional, additionaLength);}
void GenerateBlock(byte *output, size_t size)
{return HMAC_Generate(NULLPTR, 0, output, size);}
void GenerateBlock(const byte* additional, size_t additionaLength, byte *output, size_t size)
{return HMAC_Generate(additional, additionaLength, output, size);}
std::string AlgorithmProvider() const
{/*Hack*/HASH hash; return hash.AlgorithmProvider();}
protected:
// 10.1.2.3 Instantiation of HMAC_DRBG (p.45)
void DRBG_Instantiate(const byte* entropy, size_t entropyLength, const byte* nonce, size_t nonceLength,
const byte* personalization, size_t personalizationLength);
// 10.1.2.4 Reseeding a HMAC_DRBG Instantiation (p.46)
void DRBG_Reseed(const byte* entropy, size_t entropyLength, const byte* additional, size_t additionaLength);
// 10.1.2.5 Generating Pseudorandom Bits Using HMAC_DRBG (p.46)
void HMAC_Generate(const byte* additional, size_t additionaLength, byte *output, size_t size);
// 10.1.2.2 Derivation Function Using a HMAC Function (HMAC_Update) (p.44)
void HMAC_Update(const byte* input1, size_t inlen1, const byte* input2, size_t inlen2, const byte* input3, size_t inlen3);
private:
HMAC<HASH> m_hmac;
SecByteBlock m_k, m_v;
word64 m_reseed;
};
// typedef HMAC_DRBG<SHA1, 128/8, 440/8> HMAC_SHA1_DRBG;
// typedef HMAC_DRBG<SHA256, 128/8, 440/8> HMAC_SHA256_DRBG;
// typedef HMAC_DRBG<SHA384, 256/8, 888/8> HMAC_SHA384_DRBG;
// typedef HMAC_DRBG<SHA512, 256/8, 888/8> HMAC_SHA512_DRBG;
// *************************************************************
// 10.1.1.2 Instantiation of Hash_DRBG (p.39)
template <typename HASH, unsigned int STRENGTH, unsigned int SEEDLENGTH>
void Hash_DRBG<HASH, STRENGTH, SEEDLENGTH>::DRBG_Instantiate(const byte* entropy, size_t entropyLength, const byte* nonce, size_t nonceLength,
const byte* personalization, size_t personalizationLength)
{
// SP 800-90A, 8.6.3: The entropy input shall have entropy that is equal to or greater than the security
// strength of the instantiation. Additional entropy may be provided in the nonce or the optional
// personalization string during instantiation, or in the additional input during reseeding and generation,
// but this is not required and does not increase the "official" security strength of the DRBG
// instantiation that is recorded in the internal state.
CRYPTOPP_ASSERT(entropyLength >= MINIMUM_ENTROPY);
if (entropyLength < MINIMUM_ENTROPY)
throw NIST_DRBG::Err("Hash_DRBG", "Insufficient entropy during instantiate");
// SP 800-90A, Section 9, says we should throw if we have too much entropy, too large a nonce,
// or too large a persoanlization string. We warn in Debug builds, but do nothing in Release builds.
CRYPTOPP_ASSERT(entropyLength <= MAXIMUM_ENTROPY);
CRYPTOPP_ASSERT(nonceLength <= MAXIMUM_NONCE);
CRYPTOPP_ASSERT(personalizationLength <= MAXIMUM_PERSONALIZATION);
const byte zero = 0;
SecByteBlock t1(SEEDLENGTH), t2(SEEDLENGTH);
Hash_Update(entropy, entropyLength, nonce, nonceLength, personalization, personalizationLength, NULLPTR, 0, t1, t1.size());
Hash_Update(&zero, 1, t1, t1.size(), NULLPTR, 0, NULLPTR, 0, t2, t2.size());
m_v.swap(t1); m_c.swap(t2);
m_reseed = 1;
}
// 10.1.1.3 Reseeding a Hash_DRBG Instantiation (p.40)
template <typename HASH, unsigned int STRENGTH, unsigned int SEEDLENGTH>
void Hash_DRBG<HASH, STRENGTH, SEEDLENGTH>::DRBG_Reseed(const byte* entropy, size_t entropyLength, const byte* additional, size_t additionaLength)
{
// SP 800-90A, 8.6.3: The entropy input shall have entropy that is equal to or greater than the security
// strength of the instantiation. Additional entropy may be provided in the nonce or the optional
// personalization string during instantiation, or in the additional input during reseeding and generation,
// but this is not required and does not increase the "official" security strength of the DRBG
// instantiation that is recorded in the internal state..
CRYPTOPP_ASSERT(entropyLength >= MINIMUM_ENTROPY);
if (entropyLength < MINIMUM_ENTROPY)
throw NIST_DRBG::Err("Hash_DRBG", "Insufficient entropy during reseed");
// SP 800-90A, Section 9, says we should throw if we have too much entropy, too large a nonce,
// or too large a persoanlization string. We warn in Debug builds, but do nothing in Release builds.
CRYPTOPP_ASSERT(entropyLength <= MAXIMUM_ENTROPY);
CRYPTOPP_ASSERT(additionaLength <= MAXIMUM_ADDITIONAL);
const byte zero = 0, one = 1;
SecByteBlock t1(SEEDLENGTH), t2(SEEDLENGTH);
Hash_Update(&one, 1, m_v, m_v.size(), entropy, entropyLength, additional, additionaLength, t1, t1.size());
Hash_Update(&zero, 1, t1, t1.size(), NULLPTR, 0, NULLPTR, 0, t2, t2.size());
m_v.swap(t1); m_c.swap(t2);
m_reseed = 1;
}
// 10.1.1.4 Generating Pseudorandom Bits Using Hash_DRBG (p.41)
template <typename HASH, unsigned int STRENGTH, unsigned int SEEDLENGTH>
void Hash_DRBG<HASH, STRENGTH, SEEDLENGTH>::Hash_Generate(const byte* additional, size_t additionaLength, byte *output, size_t size)
{
// Step 1
if (static_cast<word64>(m_reseed) >= static_cast<word64>(MaxRequestBeforeReseed()))
throw NIST_DRBG::Err("Hash_DRBG", "Reseed required");
if (size > MaxBytesPerRequest())
throw NIST_DRBG::Err("Hash_DRBG", "Request size exceeds limit");
// SP 800-90A, Section 9, says we should throw if we have too much entropy, too large a nonce,
// or too large a persoanlization string. We warn in Debug builds, but do nothing in Release builds.
CRYPTOPP_ASSERT(additionaLength <= MAXIMUM_ADDITIONAL);
// Step 2
if (additional && additionaLength)
{
const byte two = 2;
m_temp.New(HASH::DIGESTSIZE);
m_hash.Update(&two, 1);
m_hash.Update(m_v, m_v.size());
m_hash.Update(additional, additionaLength);
m_hash.Final(m_temp);
CRYPTOPP_ASSERT(SEEDLENGTH >= HASH::DIGESTSIZE);
int carry=0, j=HASH::DIGESTSIZE-1, i=SEEDLENGTH-1;
while (j>=0)
{
carry = m_v[i] + m_temp[j] + carry;
m_v[i] = static_cast<byte>(carry);
i--; j--; carry >>= 8;
}
while (i>=0)
{
carry = m_v[i] + carry;
m_v[i] = static_cast<byte>(carry);
i--; carry >>= 8;
}
}
// Step 3
{
m_temp.Assign(m_v);
while (size)
{
m_hash.Update(m_temp, m_temp.size());
size_t count = STDMIN(size, (size_t)HASH::DIGESTSIZE);
m_hash.TruncatedFinal(output, count);
IncrementCounterByOne(m_temp, static_cast<unsigned int>(m_temp.size()));
size -= count; output += count;
}
}
// Steps 4-7
{
const byte three = 3;
m_temp.New(HASH::DIGESTSIZE);
m_hash.Update(&three, 1);
m_hash.Update(m_v, m_v.size());
m_hash.Final(m_temp);
CRYPTOPP_ASSERT(SEEDLENGTH >= HASH::DIGESTSIZE);
CRYPTOPP_ASSERT(HASH::DIGESTSIZE >= sizeof(m_reseed));
int carry=0, k=sizeof(m_reseed)-1, j=HASH::DIGESTSIZE-1, i=SEEDLENGTH-1;
while (k>=0)
{
carry = m_v[i] + m_c[i] + m_temp[j] + GetByte<word64>(BIG_ENDIAN_ORDER, m_reseed, k) + carry;
m_v[i] = static_cast<byte>(carry);
i--; j--; k--; carry >>= 8;
}
while (j>=0)
{
carry = m_v[i] + m_c[i] + m_temp[j] + carry;
m_v[i] = static_cast<byte>(carry);
i--; j--; carry >>= 8;
}
while (i>=0)
{
carry = m_v[i] + m_c[i] + carry;
m_v[i] = static_cast<byte>(carry);
i--; carry >>= 8;
}
}
m_reseed++;
}
// 10.3.1 Derivation Function Using a Hash Function (Hash_df) (p.49)
template <typename HASH, unsigned int STRENGTH, unsigned int SEEDLENGTH>
void Hash_DRBG<HASH, STRENGTH, SEEDLENGTH>::Hash_Update(const byte* input1, size_t inlen1, const byte* input2, size_t inlen2,
const byte* input3, size_t inlen3, const byte* input4, size_t inlen4, byte* output, size_t outlen)
{
byte counter = 1;
word32 bits = ConditionalByteReverse(BIG_ENDIAN_ORDER, static_cast<word32>(outlen*8));
while (outlen)
{
m_hash.Update(&counter, 1);
m_hash.Update(reinterpret_cast<const byte*>(&bits), 4);
if (input1 && inlen1)
m_hash.Update(input1, inlen1);
if (input2 && inlen2)
m_hash.Update(input2, inlen2);
if (input3 && inlen3)
m_hash.Update(input3, inlen3);
if (input4 && inlen4)
m_hash.Update(input4, inlen4);
size_t count = STDMIN(outlen, (size_t)HASH::DIGESTSIZE);
m_hash.TruncatedFinal(output, count);
output += count; outlen -= count;
counter++;
}
}
// *************************************************************
// 10.1.2.3 Instantiation of HMAC_DRBG (p.45)
template <typename HASH, unsigned int STRENGTH, unsigned int SEEDLENGTH>
void HMAC_DRBG<HASH, STRENGTH, SEEDLENGTH>::DRBG_Instantiate(const byte* entropy, size_t entropyLength, const byte* nonce, size_t nonceLength,
const byte* personalization, size_t personalizationLength)
{
// SP 800-90A, 8.6.3: The entropy input shall have entropy that is equal to or greater than the security
// strength of the instantiation. Additional entropy may be provided in the nonce or the optional
// personalization string during instantiation, or in the additional input during reseeding and generation,
// but this is not required and does not increase the "official" security strength of the DRBG
// instantiation that is recorded in the internal state.
CRYPTOPP_ASSERT(entropyLength >= MINIMUM_ENTROPY);
if (entropyLength < MINIMUM_ENTROPY)
throw NIST_DRBG::Err("HMAC_DRBG", "Insufficient entropy during instantiate");
// SP 800-90A, Section 9, says we should throw if we have too much entropy, too large a nonce,
// or too large a persoanlization string. We warn in Debug builds, but do nothing in Release builds.
CRYPTOPP_ASSERT(entropyLength <= MAXIMUM_ENTROPY);
CRYPTOPP_ASSERT(nonceLength <= MAXIMUM_NONCE);
CRYPTOPP_ASSERT(personalizationLength <= MAXIMUM_PERSONALIZATION);
std::fill(m_k.begin(), m_k.begin()+m_k.size(), byte(0));
std::fill(m_v.begin(), m_v.begin()+m_v.size(), byte(1));
HMAC_Update(entropy, entropyLength, nonce, nonceLength, personalization, personalizationLength);
m_reseed = 1;
}
// 10.1.2.4 Reseeding a HMAC_DRBG Instantiation (p.46)
template <typename HASH, unsigned int STRENGTH, unsigned int SEEDLENGTH>
void HMAC_DRBG<HASH, STRENGTH, SEEDLENGTH>::DRBG_Reseed(const byte* entropy, size_t entropyLength, const byte* additional, size_t additionaLength)
{
// SP 800-90A, 8.6.3: The entropy input shall have entropy that is equal to or greater than the security
// strength of the instantiation. Additional entropy may be provided in the nonce or the optional
// personalization string during instantiation, or in the additional input during reseeding and generation,
// but this is not required and does not increase the "official" security strength of the DRBG
// instantiation that is recorded in the internal state..
CRYPTOPP_ASSERT(entropyLength >= MINIMUM_ENTROPY);
if (entropyLength < MINIMUM_ENTROPY)
throw NIST_DRBG::Err("HMAC_DRBG", "Insufficient entropy during reseed");
// SP 800-90A, Section 9, says we should throw if we have too much entropy, too large a nonce,
// or too large a persoanlization string. We warn in Debug builds, but do nothing in Release builds.
CRYPTOPP_ASSERT(entropyLength <= MAXIMUM_ENTROPY);
CRYPTOPP_ASSERT(additionaLength <= MAXIMUM_ADDITIONAL);
HMAC_Update(entropy, entropyLength, additional, additionaLength, NULLPTR, 0);
m_reseed = 1;
}
// 10.1.2.5 Generating Pseudorandom Bits Using HMAC_DRBG (p.46)
template <typename HASH, unsigned int STRENGTH, unsigned int SEEDLENGTH>
void HMAC_DRBG<HASH, STRENGTH, SEEDLENGTH>::HMAC_Generate(const byte* additional, size_t additionaLength, byte *output, size_t size)
{
// Step 1
if (static_cast<word64>(m_reseed) >= static_cast<word64>(MaxRequestBeforeReseed()))
throw NIST_DRBG::Err("HMAC_DRBG", "Reseed required");
if (size > MaxBytesPerRequest())
throw NIST_DRBG::Err("HMAC_DRBG", "Request size exceeds limit");
// SP 800-90A, Section 9, says we should throw if we have too much entropy, too large a nonce,
// or too large a persoanlization string. We warn in Debug builds, but do nothing in Release builds.
CRYPTOPP_ASSERT(additionaLength <= MAXIMUM_ADDITIONAL);
// Step 2
if (additional && additionaLength)
HMAC_Update(additional, additionaLength, NULLPTR, 0, NULLPTR, 0);
// Step 3
m_hmac.SetKey(m_k, m_k.size());
while (size)
{
m_hmac.Update(m_v, m_v.size());
m_hmac.TruncatedFinal(m_v, m_v.size());
size_t count = STDMIN(size, (size_t)HASH::DIGESTSIZE);
std::memcpy(output, m_v, count);
size -= count; output += count;
}
HMAC_Update(additional, additionaLength, NULLPTR, 0, NULLPTR, 0);
m_reseed++;
}
// 10.1.2.2 Derivation Function Using a HMAC Function (HMAC_Update) (p.44)
template <typename HASH, unsigned int STRENGTH, unsigned int SEEDLENGTH>
void HMAC_DRBG<HASH, STRENGTH, SEEDLENGTH>::HMAC_Update(const byte* input1, size_t inlen1, const byte* input2, size_t inlen2, const byte* input3, size_t inlen3)
{
const byte zero = 0, one = 1;
// Step 1
m_hmac.SetKey(m_k, m_k.size());
m_hmac.Update(m_v, m_v.size());
m_hmac.Update(&zero, 1);
if (input1 && inlen1)
m_hmac.Update(input1, inlen1);
if (input2 && inlen2)
m_hmac.Update(input2, inlen2);
if (input3 && inlen3)
m_hmac.Update(input3, inlen3);
m_hmac.TruncatedFinal(m_k, m_k.size());
// Step 2
m_hmac.SetKey(m_k, m_k.size());
m_hmac.Update(m_v, m_v.size());
m_hmac.TruncatedFinal(m_v, m_v.size());
// Step 3
if ((inlen1 | inlen2 | inlen3) == 0)
return;
// Step 4
m_hmac.SetKey(m_k, m_k.size());
m_hmac.Update(m_v, m_v.size());
m_hmac.Update(&one, 1);
if (input1 && inlen1)
m_hmac.Update(input1, inlen1);
if (input2 && inlen2)
m_hmac.Update(input2, inlen2);
if (input3 && inlen3)
m_hmac.Update(input3, inlen3);
m_hmac.TruncatedFinal(m_k, m_k.size());
// Step 5
m_hmac.SetKey(m_k, m_k.size());
m_hmac.Update(m_v, m_v.size());
m_hmac.TruncatedFinal(m_v, m_v.size());
}
NAMESPACE_END
#endif // CRYPTOPP_NIST_DRBG_H

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// dsa.h - originally written and placed in the public domain by Wei Dai
/// \file dsa.h
/// \brief Classes for the DSA signature algorithm
#ifndef CRYPTOPP_DSA_H
#define CRYPTOPP_DSA_H
#include "cryptlib.h"
#include "gfpcrypt.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief DSA Signature Format
/// \details The DSA signature format used by Crypto++ is as defined by IEEE P1363.
/// OpenSSL, Java and .Net use the DER format, and OpenPGP uses the OpenPGP format.
/// \sa <A HREF="http://www.cryptopp.com/wiki/DSAConvertSignatureFormat">DSAConvertSignatureFormat</A>
/// on the Crypto++ wiki.
/// \since Crypto++ 1.0
enum DSASignatureFormat {
/// \brief Crypto++ native signature encoding format
DSA_P1363,
/// \brief signature encoding format used by OpenSSL, Java and .Net
DSA_DER,
/// \brief OpenPGP signature encoding format
DSA_OPENPGP
};
/// \brief Converts between signature encoding formats
/// \param buffer byte buffer for the converted signature encoding
/// \param bufferSize the length of the converted signature encoding buffer
/// \param toFormat the source signature format
/// \param signature byte buffer for the existing signature encoding
/// \param signatureLen the length of the existing signature encoding buffer
/// \param fromFormat the source signature format
/// \return the number of bytes written during encoding
/// \details This function converts between these formats, and returns length
/// of signature in the target format. If <tt>toFormat == DSA_P1363</tt>, then
/// <tt>bufferSize</tt> must equal <tt>publicKey.SignatureLength()</tt> or
/// <tt>verifier.SignatureLength()</tt>.
/// \details If the destination buffer is too small then the output of the
/// encoded <tt>r</tt> and <tt>s</tt> will be truncated. Be sure to provide
/// an adequately sized buffer and check the return value for the number of
/// bytes written.
/// \sa <A HREF="http://www.cryptopp.com/wiki/DSAConvertSignatureFormat">DSAConvertSignatureFormat</A>
/// on the Crypto++ wiki.
/// \since Crypto++ 1.0
size_t DSAConvertSignatureFormat(byte *buffer, size_t bufferSize, DSASignatureFormat toFormat,
const byte *signature, size_t signatureLen, DSASignatureFormat fromFormat);
NAMESPACE_END
#endif // CRYPTOPP_DSA_H

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// eax.h - originally written and placed in the public domain by Wei Dai
/// \file eax.h
/// \brief EAX block cipher mode of operation
#ifndef CRYPTOPP_EAX_H
#define CRYPTOPP_EAX_H
#include "authenc.h"
#include "modes.h"
#include "cmac.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief EAX block cipher base implementation
/// \details Base implementation of the AuthenticatedSymmetricCipher interface
/// \since Crypto++ 5.6.0
class CRYPTOPP_NO_VTABLE EAX_Base : public AuthenticatedSymmetricCipherBase
{
public:
// AuthenticatedSymmetricCipher
std::string AlgorithmName() const
{return GetMAC().GetCipher().AlgorithmName() + std::string("/EAX");}
std::string AlgorithmProvider() const
{return GetMAC().GetCipher().AlgorithmProvider();}
size_t MinKeyLength() const
{return GetMAC().MinKeyLength();}
size_t MaxKeyLength() const
{return GetMAC().MaxKeyLength();}
size_t DefaultKeyLength() const
{return GetMAC().DefaultKeyLength();}
size_t GetValidKeyLength(size_t n) const
{return GetMAC().GetValidKeyLength(n);}
bool IsValidKeyLength(size_t n) const
{return GetMAC().IsValidKeyLength(n);}
unsigned int OptimalDataAlignment() const
{return GetMAC().OptimalDataAlignment();}
IV_Requirement IVRequirement() const
{return UNIQUE_IV;}
unsigned int IVSize() const
{return GetMAC().TagSize();}
unsigned int MinIVLength() const
{return 0;}
unsigned int MaxIVLength() const
{return UINT_MAX;}
unsigned int DigestSize() const
{return GetMAC().TagSize();}
lword MaxHeaderLength() const
{return LWORD_MAX;}
lword MaxMessageLength() const
{return LWORD_MAX;}
protected:
// AuthenticatedSymmetricCipherBase
bool AuthenticationIsOnPlaintext() const
{return false;}
unsigned int AuthenticationBlockSize() const
{return 1;}
void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs &params);
void Resync(const byte *iv, size_t len);
size_t AuthenticateBlocks(const byte *data, size_t len);
void AuthenticateLastHeaderBlock();
void AuthenticateLastFooterBlock(byte *mac, size_t macSize);
SymmetricCipher & AccessSymmetricCipher() {return m_ctr;}
const CMAC_Base & GetMAC() const {return const_cast<EAX_Base *>(this)->AccessMAC();}
virtual CMAC_Base & AccessMAC() =0;
CTR_Mode_ExternalCipher::Encryption m_ctr;
};
/// \brief EAX block cipher final implementation
/// \tparam T_BlockCipher block cipher
/// \tparam T_IsEncryption direction in which to operate the cipher
/// \since Crypto++ 5.6.0
template <class T_BlockCipher, bool T_IsEncryption>
class EAX_Final : public EAX_Base
{
public:
static std::string StaticAlgorithmName()
{return T_BlockCipher::StaticAlgorithmName() + std::string("/EAX");}
std::string AlgorithmProvider() const
{return m_cmac.AlgorithmProvider();}
bool IsForwardTransformation() const
{return T_IsEncryption;}
private:
CMAC_Base & AccessMAC() {return m_cmac;}
CMAC<T_BlockCipher> m_cmac;
};
#ifdef EAX // EAX is defined to 11 on GCC 3.4.3, OpenSolaris 8.11
#undef EAX
#endif
/// \brief EAX block cipher mode of operation
/// \tparam T_BlockCipher block cipher
/// \details \p EAX provides the \p Encryption and \p Decryption typedef. See EAX_Base
/// and EAX_Final for the AuthenticatedSymmetricCipher implementation.
/// \sa <a href="http://www.cryptopp.com/wiki/EAX_Mode">EAX Mode</a> and
/// <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
/// \since Crypto++ 5.6.0
template <class T_BlockCipher>
struct EAX : public AuthenticatedSymmetricCipherDocumentation
{
typedef EAX_Final<T_BlockCipher, true> Encryption;
typedef EAX_Final<T_BlockCipher, false> Decryption;
};
NAMESPACE_END
#endif

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// ec2n.h - originally written and placed in the public domain by Wei Dai
/// \file ec2n.h
/// \brief Classes for Elliptic Curves over binary fields
#ifndef CRYPTOPP_EC2N_H
#define CRYPTOPP_EC2N_H
#include "cryptlib.h"
#include "gf2n.h"
#include "integer.h"
#include "algebra.h"
#include "ecpoint.h"
#include "eprecomp.h"
#include "smartptr.h"
#include "pubkey.h"
#if CRYPTOPP_MSC_VERSION
# pragma warning(push)
# pragma warning(disable: 4231 4275)
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief Elliptic Curve over GF(2^n)
class CRYPTOPP_DLL EC2N : public AbstractGroup<EC2NPoint>, public EncodedPoint<EC2NPoint>
{
public:
typedef GF2NP Field;
typedef Field::Element FieldElement;
typedef EC2NPoint Point;
virtual ~EC2N() {}
/// \brief Construct an EC2N
EC2N() {}
/// \brief Construct an EC2N
/// \param field Field, GF2NP derived class
/// \param a Field::Element
/// \param b Field::Element
EC2N(const Field &field, const Field::Element &a, const Field::Element &b)
: m_field(field), m_a(a), m_b(b) {}
/// \brief Construct an EC2N from BER encoded parameters
/// \param bt BufferedTransformation derived object
/// \details This constructor will decode and extract the fields fieldID and curve of the sequence ECParameters
EC2N(BufferedTransformation &bt);
/// \brief Encode the fields fieldID and curve of the sequence ECParameters
/// \param bt BufferedTransformation derived object
void DEREncode(BufferedTransformation &bt) const;
bool Equal(const Point &P, const Point &Q) const;
const Point& Identity() const;
const Point& Inverse(const Point &P) const;
bool InversionIsFast() const {return true;}
const Point& Add(const Point &P, const Point &Q) const;
const Point& Double(const Point &P) const;
Point Multiply(const Integer &k, const Point &P) const
{return ScalarMultiply(P, k);}
Point CascadeMultiply(const Integer &k1, const Point &P, const Integer &k2, const Point &Q) const
{return CascadeScalarMultiply(P, k1, Q, k2);}
bool ValidateParameters(RandomNumberGenerator &rng, unsigned int level=3) const;
bool VerifyPoint(const Point &P) const;
unsigned int EncodedPointSize(bool compressed = false) const
{return 1 + (compressed?1:2)*m_field->MaxElementByteLength();}
// returns false if point is compressed and not valid (doesn't check if uncompressed)
bool DecodePoint(Point &P, BufferedTransformation &bt, size_t len) const;
bool DecodePoint(Point &P, const byte *encodedPoint, size_t len) const;
void EncodePoint(byte *encodedPoint, const Point &P, bool compressed) const;
void EncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const;
Point BERDecodePoint(BufferedTransformation &bt) const;
void DEREncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const;
Integer FieldSize() const {return Integer::Power2(m_field->MaxElementBitLength());}
const Field & GetField() const {return *m_field;}
const FieldElement & GetA() const {return m_a;}
const FieldElement & GetB() const {return m_b;}
bool operator==(const EC2N &rhs) const
{return GetField() == rhs.GetField() && m_a == rhs.m_a && m_b == rhs.m_b;}
private:
clonable_ptr<Field> m_field;
FieldElement m_a, m_b;
mutable Point m_R;
};
CRYPTOPP_DLL_TEMPLATE_CLASS DL_FixedBasePrecomputationImpl<EC2N::Point>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupPrecomputation<EC2N::Point>;
/// \brief Elliptic Curve precomputation
/// \tparam EC elliptic curve field
template <class EC> class EcPrecomputation;
/// \brief EC2N precomputation specialization
/// \details Implementation of <tt>DL_GroupPrecomputation<EC2N::Point></tt>
/// \sa DL_GroupPrecomputation
template<> class EcPrecomputation<EC2N> : public DL_GroupPrecomputation<EC2N::Point>
{
public:
typedef EC2N EllipticCurve;
virtual ~EcPrecomputation() {}
// DL_GroupPrecomputation
const AbstractGroup<Element> & GetGroup() const {return m_ec;}
Element BERDecodeElement(BufferedTransformation &bt) const {return m_ec.BERDecodePoint(bt);}
void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {m_ec.DEREncodePoint(bt, v, false);}
/// \brief Set the elliptic curve
/// \param ec ECP derived class
/// \details SetCurve() is not inherited
void SetCurve(const EC2N &ec) {m_ec = ec;}
/// \brief Get the elliptic curve
/// \return EC2N curve
/// \details GetCurve() is not inherited
const EC2N & GetCurve() const {return m_ec;}
private:
EC2N m_ec;
};
NAMESPACE_END
#if CRYPTOPP_MSC_VERSION
# pragma warning(pop)
#endif
#endif

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// eccrypto.h - originally written and placed in the public domain by Wei Dai
// deterministic signatures added by by Douglas Roark
/// \file eccrypto.h
/// \brief Classes and functions for Elliptic Curves over prime and binary fields
#ifndef CRYPTOPP_ECCRYPTO_H
#define CRYPTOPP_ECCRYPTO_H
#include "config.h"
#include "cryptlib.h"
#include "pubkey.h"
#include "integer.h"
#include "asn.h"
#include "hmac.h"
#include "sha.h"
#include "gfpcrypt.h"
#include "dh.h"
#include "mqv.h"
#include "hmqv.h"
#include "fhmqv.h"
#include "ecp.h"
#include "ec2n.h"
#include <iosfwd>
#if CRYPTOPP_MSC_VERSION
# pragma warning(push)
# pragma warning(disable: 4231 4275)
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief Elliptic Curve Parameters
/// \tparam EC elliptic curve field
/// \details This class corresponds to the ASN.1 sequence of the same name
/// in ANSI X9.62 and SEC 1. EC is currently defined for ECP and EC2N.
template <class EC>
class DL_GroupParameters_EC : public DL_GroupParametersImpl<EcPrecomputation<EC> >
{
typedef DL_GroupParameters_EC<EC> ThisClass;
public:
typedef EC EllipticCurve;
typedef typename EllipticCurve::Point Point;
typedef Point Element;
typedef IncompatibleCofactorMultiplication DefaultCofactorOption;
virtual ~DL_GroupParameters_EC() {}
/// \brief Construct an EC GroupParameters
DL_GroupParameters_EC() : m_compress(false), m_encodeAsOID(true) {}
/// \brief Construct an EC GroupParameters
/// \param oid the OID of a curve
DL_GroupParameters_EC(const OID &oid)
: m_compress(false), m_encodeAsOID(true) {Initialize(oid);}
/// \brief Construct an EC GroupParameters
/// \param ec the elliptic curve
/// \param G the base point
/// \param n the order of the base point
/// \param k the cofactor
DL_GroupParameters_EC(const EllipticCurve &ec, const Point &G, const Integer &n, const Integer &k = Integer::Zero())
: m_compress(false), m_encodeAsOID(true) {Initialize(ec, G, n, k);}
/// \brief Construct an EC GroupParameters
/// \param bt BufferedTransformation with group parameters
DL_GroupParameters_EC(BufferedTransformation &bt)
: m_compress(false), m_encodeAsOID(true) {BERDecode(bt);}
/// \brief Initialize an EC GroupParameters using {EC,G,n,k}
/// \param ec the elliptic curve
/// \param G the base point
/// \param n the order of the base point
/// \param k the cofactor
/// \details This Initialize() function overload initializes group parameters from existing parameters.
void Initialize(const EllipticCurve &ec, const Point &G, const Integer &n, const Integer &k = Integer::Zero())
{
this->m_groupPrecomputation.SetCurve(ec);
this->SetSubgroupGenerator(G);
m_n = n;
m_k = k;
}
/// \brief Initialize a DL_GroupParameters_EC {EC,G,n,k}
/// \param oid the OID of a curve
/// \details This Initialize() function overload initializes group parameters from existing parameters.
void Initialize(const OID &oid);
// NameValuePairs
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
void AssignFrom(const NameValuePairs &source);
// GeneratibleCryptoMaterial interface
/// this implementation doesn't actually generate a curve, it just initializes the parameters with existing values
/*! parameters: (Curve, SubgroupGenerator, SubgroupOrder, Cofactor (optional)), or (GroupOID) */
void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg);
// DL_GroupParameters
const DL_FixedBasePrecomputation<Element> & GetBasePrecomputation() const {return this->m_gpc;}
DL_FixedBasePrecomputation<Element> & AccessBasePrecomputation() {return this->m_gpc;}
const Integer & GetSubgroupOrder() const {return m_n;}
Integer GetCofactor() const;
bool ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const;
bool ValidateElement(unsigned int level, const Element &element, const DL_FixedBasePrecomputation<Element> *precomp) const;
bool FastSubgroupCheckAvailable() const {return false;}
void EncodeElement(bool reversible, const Element &element, byte *encoded) const
{
if (reversible)
GetCurve().EncodePoint(encoded, element, m_compress);
else
element.x.Encode(encoded, GetEncodedElementSize(false));
}
virtual unsigned int GetEncodedElementSize(bool reversible) const
{
if (reversible)
return GetCurve().EncodedPointSize(m_compress);
else
return GetCurve().GetField().MaxElementByteLength();
}
Element DecodeElement(const byte *encoded, bool checkForGroupMembership) const
{
Point result;
if (!GetCurve().DecodePoint(result, encoded, GetEncodedElementSize(true)))
throw DL_BadElement();
if (checkForGroupMembership && !ValidateElement(1, result, NULLPTR))
throw DL_BadElement();
return result;
}
Integer ConvertElementToInteger(const Element &element) const;
Integer GetMaxExponent() const {return GetSubgroupOrder()-1;}
bool IsIdentity(const Element &element) const {return element.identity;}
void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const;
static std::string CRYPTOPP_API StaticAlgorithmNamePrefix() {return "EC";}
// ASN1Key
OID GetAlgorithmID() const;
// used by MQV
Element MultiplyElements(const Element &a, const Element &b) const;
Element CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const;
// non-inherited
// enumerate OIDs for recommended parameters, use OID() to get first one
static OID CRYPTOPP_API GetNextRecommendedParametersOID(const OID &oid);
void BERDecode(BufferedTransformation &bt);
void DEREncode(BufferedTransformation &bt) const;
void SetPointCompression(bool compress) {m_compress = compress;}
bool GetPointCompression() const {return m_compress;}
void SetEncodeAsOID(bool encodeAsOID) {m_encodeAsOID = encodeAsOID;}
bool GetEncodeAsOID() const {return m_encodeAsOID;}
const EllipticCurve& GetCurve() const {return this->m_groupPrecomputation.GetCurve();}
bool operator==(const ThisClass &rhs) const
{return this->m_groupPrecomputation.GetCurve() == rhs.m_groupPrecomputation.GetCurve() && this->m_gpc.GetBase(this->m_groupPrecomputation) == rhs.m_gpc.GetBase(rhs.m_groupPrecomputation);}
protected:
unsigned int FieldElementLength() const {return GetCurve().GetField().MaxElementByteLength();}
unsigned int ExponentLength() const {return m_n.ByteCount();}
OID m_oid; // set if parameters loaded from a recommended curve
Integer m_n; // order of base point
mutable Integer m_k; // cofactor
mutable bool m_compress, m_encodeAsOID; // presentation details
};
inline std::ostream& operator<<(std::ostream& os, const DL_GroupParameters_EC<ECP>::Element& obj);
/// \brief Elliptic Curve Discrete Log (DL) public key
/// \tparam EC elliptic curve field
template <class EC>
class DL_PublicKey_EC : public DL_PublicKeyImpl<DL_GroupParameters_EC<EC> >
{
public:
typedef typename EC::Point Element;
virtual ~DL_PublicKey_EC() {}
/// \brief Initialize an EC Public Key using {GP,Q}
/// \param params group parameters
/// \param Q the public point
/// \details This Initialize() function overload initializes a public key from existing parameters.
void Initialize(const DL_GroupParameters_EC<EC> &params, const Element &Q)
{this->AccessGroupParameters() = params; this->SetPublicElement(Q);}
/// \brief Initialize an EC Public Key using {EC,G,n,Q}
/// \param ec the elliptic curve
/// \param G the base point
/// \param n the order of the base point
/// \param Q the public point
/// \details This Initialize() function overload initializes a public key from existing parameters.
void Initialize(const EC &ec, const Element &G, const Integer &n, const Element &Q)
{this->AccessGroupParameters().Initialize(ec, G, n); this->SetPublicElement(Q);}
// X509PublicKey
void BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size);
void DEREncodePublicKey(BufferedTransformation &bt) const;
};
/// \brief Elliptic Curve Discrete Log (DL) private key
/// \tparam EC elliptic curve field
template <class EC>
class DL_PrivateKey_EC : public DL_PrivateKeyImpl<DL_GroupParameters_EC<EC> >
{
public:
typedef typename EC::Point Element;
virtual ~DL_PrivateKey_EC();
/// \brief Initialize an EC Private Key using {GP,x}
/// \param params group parameters
/// \param x the private exponent
/// \details This Initialize() function overload initializes a private key from existing parameters.
void Initialize(const DL_GroupParameters_EC<EC> &params, const Integer &x)
{this->AccessGroupParameters() = params; this->SetPrivateExponent(x);}
/// \brief Initialize an EC Private Key using {EC,G,n,x}
/// \param ec the elliptic curve
/// \param G the base point
/// \param n the order of the base point
/// \param x the private exponent
/// \details This Initialize() function overload initializes a private key from existing parameters.
void Initialize(const EC &ec, const Element &G, const Integer &n, const Integer &x)
{this->AccessGroupParameters().Initialize(ec, G, n); this->SetPrivateExponent(x);}
/// \brief Create an EC private key
/// \param rng a RandomNumberGenerator derived class
/// \param params the EC group parameters
/// \details This function overload of Initialize() creates a new private key because it
/// takes a RandomNumberGenerator() as a parameter. If you have an existing keypair,
/// then use one of the other Initialize() overloads.
void Initialize(RandomNumberGenerator &rng, const DL_GroupParameters_EC<EC> &params)
{this->GenerateRandom(rng, params);}
/// \brief Create an EC private key
/// \param rng a RandomNumberGenerator derived class
/// \param ec the elliptic curve
/// \param G the base point
/// \param n the order of the base point
/// \details This function overload of Initialize() creates a new private key because it
/// takes a RandomNumberGenerator() as a parameter. If you have an existing keypair,
/// then use one of the other Initialize() overloads.
void Initialize(RandomNumberGenerator &rng, const EC &ec, const Element &G, const Integer &n)
{this->GenerateRandom(rng, DL_GroupParameters_EC<EC>(ec, G, n));}
// PKCS8PrivateKey
void BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size);
void DEREncodePrivateKey(BufferedTransformation &bt) const;
};
// Out-of-line dtor due to AIX and GCC, http://github.com/weidai11/cryptopp/issues/499
template<class EC>
DL_PrivateKey_EC<EC>::~DL_PrivateKey_EC() {}
/// \brief Elliptic Curve Diffie-Hellman
/// \tparam EC elliptic curve field
/// \tparam COFACTOR_OPTION cofactor multiplication option
/// \sa CofactorMultiplicationOption, <a href="http://www.weidai.com/scan-mirror/ka.html#ECDH">Elliptic Curve Diffie-Hellman, AKA ECDH</a>
/// \since Crypto++ 3.0
template <class EC, class COFACTOR_OPTION = typename DL_GroupParameters_EC<EC>::DefaultCofactorOption>
struct ECDH
{
typedef DH_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION> Domain;
};
/// \brief Elliptic Curve Menezes-Qu-Vanstone
/// \tparam EC elliptic curve field
/// \tparam COFACTOR_OPTION cofactor multiplication option
/// \sa CofactorMultiplicationOption, <a href="http://www.weidai.com/scan-mirror/ka.html#ECMQV">Elliptic Curve Menezes-Qu-Vanstone, AKA ECMQV</a>
template <class EC, class COFACTOR_OPTION = typename DL_GroupParameters_EC<EC>::DefaultCofactorOption>
struct ECMQV
{
typedef MQV_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION> Domain;
};
/// \brief Hashed Elliptic Curve Menezes-Qu-Vanstone
/// \tparam EC elliptic curve field
/// \tparam COFACTOR_OPTION cofactor multiplication option
/// \details This implementation follows Hugo Krawczyk's <a href="http://eprint.iacr.org/2005/176">HMQV: A High-Performance
/// Secure Diffie-Hellman Protocol</a>. Note: this implements HMQV only. HMQV-C with Key Confirmation is not provided.
/// \sa CofactorMultiplicationOption
template <class EC, class COFACTOR_OPTION = typename DL_GroupParameters_EC<EC>::DefaultCofactorOption, class HASH = SHA256>
struct ECHMQV
{
typedef HMQV_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION, HASH> Domain;
};
typedef ECHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA1 >::Domain ECHMQV160;
typedef ECHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA256 >::Domain ECHMQV256;
typedef ECHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA384 >::Domain ECHMQV384;
typedef ECHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA512 >::Domain ECHMQV512;
/// \brief Fully Hashed Elliptic Curve Menezes-Qu-Vanstone
/// \tparam EC elliptic curve field
/// \tparam COFACTOR_OPTION cofactor multiplication option
/// \details This implementation follows Augustin P. Sarr and Philippe Elbaz–Vincent, and Jean–Claude Bajard's
/// <a href="http://eprint.iacr.org/2009/408">A Secure and Efficient Authenticated Diffie-Hellman Protocol</a>.
/// Note: this is FHMQV, Protocol 5, from page 11; and not FHMQV-C.
/// \sa CofactorMultiplicationOption
template <class EC, class COFACTOR_OPTION = typename DL_GroupParameters_EC<EC>::DefaultCofactorOption, class HASH = SHA256>
struct ECFHMQV
{
typedef FHMQV_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION, HASH> Domain;
};
typedef ECFHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA1 >::Domain ECFHMQV160;
typedef ECFHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA256 >::Domain ECFHMQV256;
typedef ECFHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA384 >::Domain ECFHMQV384;
typedef ECFHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA512 >::Domain ECFHMQV512;
/// \brief Elliptic Curve Discrete Log (DL) keys
/// \tparam EC elliptic curve field
template <class EC>
struct DL_Keys_EC
{
typedef DL_PublicKey_EC<EC> PublicKey;
typedef DL_PrivateKey_EC<EC> PrivateKey;
};
// Forward declaration; documented below
template <class EC, class H>
struct ECDSA;
/// \brief Elliptic Curve DSA keys
/// \tparam EC elliptic curve field
/// \since Crypto++ 3.2
template <class EC>
struct DL_Keys_ECDSA
{
typedef DL_PublicKey_EC<EC> PublicKey;
typedef DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_EC<EC>, ECDSA<EC, SHA256> > PrivateKey;
};
/// \brief Elliptic Curve DSA (ECDSA) signature algorithm
/// \tparam EC elliptic curve field
/// \since Crypto++ 3.2
template <class EC>
class DL_Algorithm_ECDSA : public DL_Algorithm_GDSA<typename EC::Point>
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "ECDSA";}
};
/// \brief Elliptic Curve DSA (ECDSA) signature algorithm based on RFC 6979
/// \tparam EC elliptic curve field
/// \sa <a href="http://tools.ietf.org/rfc/rfc6979.txt">RFC 6979, Deterministic Usage of the
/// Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA)</a>
/// \since Crypto++ 6.0
template <class EC, class H>
class DL_Algorithm_ECDSA_RFC6979 : public DL_Algorithm_DSA_RFC6979<typename EC::Point, H>
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "ECDSA-RFC6979";}
};
/// \brief Elliptic Curve NR (ECNR) signature algorithm
/// \tparam EC elliptic curve field
template <class EC>
class DL_Algorithm_ECNR : public DL_Algorithm_NR<typename EC::Point>
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "ECNR";}
};
/// \brief Elliptic Curve DSA (ECDSA) signature scheme
/// \tparam EC elliptic curve field
/// \tparam H HashTransformation derived class
/// \sa <a href="http://www.weidai.com/scan-mirror/sig.html#ECDSA">ECDSA</a>
/// \since Crypto++ 3.2
template <class EC, class H>
struct ECDSA : public DL_SS<DL_Keys_ECDSA<EC>, DL_Algorithm_ECDSA<EC>, DL_SignatureMessageEncodingMethod_DSA, H>
{
};
/// \brief Elliptic Curve DSA (ECDSA) deterministic signature scheme
/// \tparam EC elliptic curve field
/// \tparam H HashTransformation derived class
/// \sa <a href="http://tools.ietf.org/rfc/rfc6979.txt">Deterministic Usage of the
/// Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA)</a>
/// \since Crypto++ 6.0
template <class EC, class H>
struct ECDSA_RFC6979 : public DL_SS<
DL_Keys_ECDSA<EC>,
DL_Algorithm_ECDSA_RFC6979<EC, H>,
DL_SignatureMessageEncodingMethod_DSA,
H,
ECDSA_RFC6979<EC,H> >
{
static std::string CRYPTOPP_API StaticAlgorithmName() {return std::string("ECDSA-RFC6979/") + H::StaticAlgorithmName();}
};
/// \brief Elliptic Curve NR (ECNR) signature scheme
/// \tparam EC elliptic curve field
/// \tparam H HashTransformation derived class
template <class EC, class H = SHA1>
struct ECNR : public DL_SS<DL_Keys_EC<EC>, DL_Algorithm_ECNR<EC>, DL_SignatureMessageEncodingMethod_NR, H>
{
};
// ******************************************
template <class EC>
class DL_PublicKey_ECGDSA;
template <class EC>
class DL_PrivateKey_ECGDSA;
/// \brief Elliptic Curve German DSA key for ISO/IEC 15946
/// \tparam EC elliptic curve field
/// \sa ECGDSA
/// \since Crypto++ 6.0
template <class EC>
class DL_PrivateKey_ECGDSA : public DL_PrivateKeyImpl<DL_GroupParameters_EC<EC> >
{
public:
typedef typename EC::Point Element;
virtual ~DL_PrivateKey_ECGDSA() {}
/// \brief Initialize an EC Private Key using {GP,x}
/// \param params group parameters
/// \param x the private exponent
/// \details This Initialize() function overload initializes a private key from existing parameters.
void Initialize(const DL_GroupParameters_EC<EC> &params, const Integer &x)
{
this->AccessGroupParameters() = params;
this->SetPrivateExponent(x);
CRYPTOPP_ASSERT(x>=1 && x<=params.GetSubgroupOrder()-1);
}
/// \brief Initialize an EC Private Key using {EC,G,n,x}
/// \param ec the elliptic curve
/// \param G the base point
/// \param n the order of the base point
/// \param x the private exponent
/// \details This Initialize() function overload initializes a private key from existing parameters.
void Initialize(const EC &ec, const Element &G, const Integer &n, const Integer &x)
{
this->AccessGroupParameters().Initialize(ec, G, n);
this->SetPrivateExponent(x);
CRYPTOPP_ASSERT(x>=1 && x<=this->AccessGroupParameters().GetSubgroupOrder()-1);
}
/// \brief Create an EC private key
/// \param rng a RandomNumberGenerator derived class
/// \param params the EC group parameters
/// \details This function overload of Initialize() creates a new private key because it
/// takes a RandomNumberGenerator() as a parameter. If you have an existing keypair,
/// then use one of the other Initialize() overloads.
void Initialize(RandomNumberGenerator &rng, const DL_GroupParameters_EC<EC> &params)
{this->GenerateRandom(rng, params);}
/// \brief Create an EC private key
/// \param rng a RandomNumberGenerator derived class
/// \param ec the elliptic curve
/// \param G the base point
/// \param n the order of the base point
/// \details This function overload of Initialize() creates a new private key because it
/// takes a RandomNumberGenerator() as a parameter. If you have an existing keypair,
/// then use one of the other Initialize() overloads.
void Initialize(RandomNumberGenerator &rng, const EC &ec, const Element &G, const Integer &n)
{this->GenerateRandom(rng, DL_GroupParameters_EC<EC>(ec, G, n));}
virtual void MakePublicKey(DL_PublicKey_ECGDSA<EC> &pub) const
{
const DL_GroupParameters<Element>& params = this->GetAbstractGroupParameters();
pub.AccessAbstractGroupParameters().AssignFrom(params);
const Integer &xInv = this->GetPrivateExponent().InverseMod(params.GetSubgroupOrder());
pub.SetPublicElement(params.ExponentiateBase(xInv));
CRYPTOPP_ASSERT(xInv.NotZero());
}
virtual bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
{
return GetValueHelper<DL_PrivateKey_ECGDSA<EC>,
DL_PrivateKey_ECGDSA<EC> >(this, name, valueType, pValue).Assignable();
}
virtual void AssignFrom(const NameValuePairs &source)
{
AssignFromHelper<DL_PrivateKey_ECGDSA<EC>,
DL_PrivateKey_ECGDSA<EC> >(this, source);
}
// PKCS8PrivateKey
void BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size);
void DEREncodePrivateKey(BufferedTransformation &bt) const;
};
/// \brief Elliptic Curve German DSA key for ISO/IEC 15946
/// \tparam EC elliptic curve field
/// \sa ECGDSA
/// \since Crypto++ 6.0
template <class EC>
class DL_PublicKey_ECGDSA : public DL_PublicKeyImpl<DL_GroupParameters_EC<EC> >
{
typedef DL_PublicKey_ECGDSA<EC> ThisClass;
public:
typedef typename EC::Point Element;
virtual ~DL_PublicKey_ECGDSA() {}
/// \brief Initialize an EC Public Key using {GP,Q}
/// \param params group parameters
/// \param Q the public point
/// \details This Initialize() function overload initializes a public key from existing parameters.
void Initialize(const DL_GroupParameters_EC<EC> &params, const Element &Q)
{this->AccessGroupParameters() = params; this->SetPublicElement(Q);}
/// \brief Initialize an EC Public Key using {EC,G,n,Q}
/// \param ec the elliptic curve
/// \param G the base point
/// \param n the order of the base point
/// \param Q the public point
/// \details This Initialize() function overload initializes a public key from existing parameters.
void Initialize(const EC &ec, const Element &G, const Integer &n, const Element &Q)
{this->AccessGroupParameters().Initialize(ec, G, n); this->SetPublicElement(Q);}
virtual void AssignFrom(const NameValuePairs &source)
{
DL_PrivateKey_ECGDSA<EC> *pPrivateKey = NULLPTR;
if (source.GetThisPointer(pPrivateKey))
pPrivateKey->MakePublicKey(*this);
else
{
this->AccessAbstractGroupParameters().AssignFrom(source);
AssignFromHelper(this, source)
CRYPTOPP_SET_FUNCTION_ENTRY(PublicElement);
}
}
// DL_PublicKey<T>
virtual void SetPublicElement(const Element &y)
{this->AccessPublicPrecomputation().SetBase(this->GetAbstractGroupParameters().GetGroupPrecomputation(), y);}
// X509PublicKey
void BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size);
void DEREncodePublicKey(BufferedTransformation &bt) const;
};
/// \brief Elliptic Curve German DSA keys for ISO/IEC 15946
/// \tparam EC elliptic curve field
/// \sa ECGDSA
/// \since Crypto++ 6.0
template <class EC>
struct DL_Keys_ECGDSA
{
typedef DL_PublicKey_ECGDSA<EC> PublicKey;
typedef DL_PrivateKey_ECGDSA<EC> PrivateKey;
};
/// \brief Elliptic Curve German DSA signature algorithm
/// \tparam EC elliptic curve field
/// \sa ECGDSA
/// \since Crypto++ 6.0
template <class EC>
class DL_Algorithm_ECGDSA : public DL_Algorithm_GDSA_ISO15946<typename EC::Point>
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "ECGDSA";}
};
/// \brief Elliptic Curve German Digital Signature Algorithm signature scheme
/// \tparam EC elliptic curve field
/// \tparam H HashTransformation derived class
/// \sa Erwin Hess, Marcus Schafheutle, and Pascale Serf <A
/// HREF="http://www.teletrust.de/fileadmin/files/oid/ecgdsa_final.pdf">The Digital Signature Scheme
/// ECGDSA (October 24, 2006)</A>
/// \since Crypto++ 6.0
template <class EC, class H>
struct ECGDSA : public DL_SS<
DL_Keys_ECGDSA<EC>,
DL_Algorithm_ECGDSA<EC>,
DL_SignatureMessageEncodingMethod_DSA,
H>
{
static std::string CRYPTOPP_API StaticAlgorithmName() {return std::string("ECGDSA-ISO15946/") + H::StaticAlgorithmName();}
};
// ******************************************
/// \brief Elliptic Curve Integrated Encryption Scheme
/// \tparam COFACTOR_OPTION cofactor multiplication option
/// \tparam HASH HashTransformation derived class used for key derivation and MAC computation
/// \tparam DHAES_MODE flag indicating if the MAC includes additional context parameters such as <em>u·V</em>, <em>v·U</em> and label
/// \tparam LABEL_OCTETS flag indicating if the label size is specified in octets or bits
/// \details ECIES is an Elliptic Curve based Integrated Encryption Scheme (IES). The scheme combines a Key Encapsulation
/// Method (KEM) with a Data Encapsulation Method (DEM) and a MAC tag. The scheme is
/// <A HREF="http://en.wikipedia.org/wiki/ciphertext_indistinguishability">IND-CCA2</A>, which is a strong notion of security.
/// You should prefer an Integrated Encryption Scheme over homegrown schemes.
/// \details If you desire an Integrated Encryption Scheme with Crypto++ 4.2 compatibility, then use the ECIES_P1363.
/// If you desire an Integrated Encryption Scheme compatible with Bouncy Castle 1.54 and Botan 1.11 compatibility, then use the ECIES
/// template class with <tt>NoCofactorMultiplication</tt>, <tt>DHAES_MODE=true</tt> and <tt>LABEL_OCTETS=false</tt>.
/// \details The default template parameters ensure compatibility with Bouncy Castle 1.54 and Botan 1.11. The combination of
/// <tt>IncompatibleCofactorMultiplication</tt> and <tt>DHAES_MODE=true</tt> is recommended for best efficiency and security.
/// SHA1 is used for compatibility reasons, but it can be changed if desired.
/// \sa DLIES, ECIES_P1363, <a href="http://www.weidai.com/scan-mirror/ca.html#ECIES">Elliptic Curve Integrated Encryption Scheme (ECIES)</a>,
/// Martínez, Encinas, and Ávila's <A HREF="http://digital.csic.es/bitstream/10261/32671/1/V2-I2-P7-13.pdf">A Survey of the Elliptic
/// Curve Integrated Encryption Schemes</A>
/// \since Crypto++ 4.0, Crypto++ 5.7 for Bouncy Castle and Botan compatibility
template <class EC, class HASH = SHA1, class COFACTOR_OPTION = NoCofactorMultiplication, bool DHAES_MODE = true, bool LABEL_OCTETS = false>
struct ECIES
: public DL_ES<
DL_Keys_EC<EC>,
DL_KeyAgreementAlgorithm_DH<typename EC::Point, COFACTOR_OPTION>,
DL_KeyDerivationAlgorithm_P1363<typename EC::Point, DHAES_MODE, P1363_KDF2<HASH> >,
DL_EncryptionAlgorithm_Xor<HMAC<HASH>, DHAES_MODE, LABEL_OCTETS>,
ECIES<EC> >
{
// TODO: fix this after name is standardized
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "ECIES";}
};
/// \brief Elliptic Curve Integrated Encryption Scheme for P1363
/// \tparam COFACTOR_OPTION cofactor multiplication option
/// \tparam HASH HashTransformation derived class used for key derivation and MAC computation
/// \details ECIES_P1363 is an Elliptic Curve based Integrated Encryption Scheme (IES) for P1363. The scheme combines a Key Encapsulation
/// Method (KEM) with a Data Encapsulation Method (DEM) and a MAC tag. The scheme is
/// <A HREF="http://en.wikipedia.org/wiki/ciphertext_indistinguishability">IND-CCA2</A>, which is a strong notion of security.
/// You should prefer an Integrated Encryption Scheme over homegrown schemes.
/// \details The library's original implementation is based on an early P1363 draft, which itself appears to be based on an early Certicom
/// SEC-1 draft (or an early SEC-1 draft was based on a P1363 draft). Crypto++ 4.2 used the early draft in its Integrated Enryption
/// Schemes with <tt>NoCofactorMultiplication</tt>, <tt>DHAES_MODE=false</tt> and <tt>LABEL_OCTETS=true</tt>.
/// \details If you desire an Integrated Encryption Scheme with Crypto++ 4.2 compatibility, then use the ECIES_P1363.
/// If you desire an Integrated Encryption Scheme compatible with Bouncy Castle 1.54 and Botan 1.11 compatibility, then use the ECIES
/// template class with <tt>NoCofactorMultiplication</tt>, <tt>DHAES_MODE=true</tt> and <tt>LABEL_OCTETS=false</tt>.
/// \details The default template parameters ensure compatibility with P1363. The combination of
/// <tt>IncompatibleCofactorMultiplication</tt> and <tt>DHAES_MODE=true</tt> is recommended for best efficiency and security.
/// SHA1 is used for compatibility reasons, but it can be changed if desired.
/// \sa DLIES, ECIES, <a href="http://www.weidai.com/scan-mirror/ca.html#ECIES">Elliptic Curve Integrated Encryption Scheme (ECIES)</a>,
/// Martínez, Encinas, and Ávila's <A HREF="http://digital.csic.es/bitstream/10261/32671/1/V2-I2-P7-13.pdf">A Survey of the Elliptic
/// Curve Integrated Encryption Schemes</A>
/// \since Crypto++ 4.0
template <class EC, class HASH = SHA1, class COFACTOR_OPTION = NoCofactorMultiplication>
struct ECIES_P1363
: public DL_ES<
DL_Keys_EC<EC>,
DL_KeyAgreementAlgorithm_DH<typename EC::Point, COFACTOR_OPTION>,
DL_KeyDerivationAlgorithm_P1363<typename EC::Point, false, P1363_KDF2<HASH> >,
DL_EncryptionAlgorithm_Xor<HMAC<HASH>, false, true>,
ECIES<EC> >
{
// TODO: fix this after name is standardized
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "ECIES-P1363";}
};
NAMESPACE_END
#ifdef CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES
#include "eccrypto.cpp"
#endif
NAMESPACE_BEGIN(CryptoPP)
CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupParameters_EC<ECP>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupParameters_EC<EC2N>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKeyImpl<DL_GroupParameters_EC<ECP> >;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKeyImpl<DL_GroupParameters_EC<EC2N> >;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_EC<ECP>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_EC<EC2N>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_ECGDSA<ECP>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_ECGDSA<EC2N>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKeyImpl<DL_GroupParameters_EC<ECP> >;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKeyImpl<DL_GroupParameters_EC<EC2N> >;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_EC<ECP>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_EC<EC2N>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_ECGDSA<ECP>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_ECGDSA<EC2N>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_Algorithm_GDSA<ECP::Point>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_Algorithm_GDSA<EC2N::Point>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_EC<ECP>, ECDSA<ECP, SHA256> >;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_EC<EC2N>, ECDSA<EC2N, SHA256> >;
NAMESPACE_END
#if CRYPTOPP_MSC_VERSION
# pragma warning(pop)
#endif
#endif

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// ecp.h - originally written and placed in the public domain by Wei Dai
/// \file ecp.h
/// \brief Classes for Elliptic Curves over prime fields
#ifndef CRYPTOPP_ECP_H
#define CRYPTOPP_ECP_H
#include "cryptlib.h"
#include "integer.h"
#include "algebra.h"
#include "modarith.h"
#include "ecpoint.h"
#include "eprecomp.h"
#include "smartptr.h"
#include "pubkey.h"
#if CRYPTOPP_MSC_VERSION
# pragma warning(push)
# pragma warning(disable: 4231 4275)
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief Elliptic Curve over GF(p), where p is prime
class CRYPTOPP_DLL ECP : public AbstractGroup<ECPPoint>, public EncodedPoint<ECPPoint>
{
public:
typedef ModularArithmetic Field;
typedef Integer FieldElement;
typedef ECPPoint Point;
virtual ~ECP() {}
/// \brief Construct an ECP
ECP() {}
/// \brief Construct an ECP
/// \param ecp the other ECP object
/// \param convertToMontgomeryRepresentation flag indicating if the curve
/// should be converted to a MontgomeryRepresentation.
/// \details Prior to Crypto++ 8.3 the default value for
/// convertToMontgomeryRepresentation was false. it was changed due to
/// two audit tools finding, "Signature-compatible with a copy constructor".
/// \sa ModularArithmetic, MontgomeryRepresentation
ECP(const ECP &ecp, bool convertToMontgomeryRepresentation);
/// \brief Construct an ECP
/// \param modulus the prime modulus
/// \param a Field::Element
/// \param b Field::Element
ECP(const Integer &modulus, const FieldElement &a, const FieldElement &b)
: m_fieldPtr(new Field(modulus)), m_a(a.IsNegative() ? modulus+a : a), m_b(b) {}
/// \brief Construct an ECP from BER encoded parameters
/// \param bt BufferedTransformation derived object
/// \details This constructor will decode and extract the fields
/// fieldID and curve of the sequence ECParameters
ECP(BufferedTransformation &bt);
/// \brief DER Encode
/// \param bt BufferedTransformation derived object
/// \details DEREncode encode the fields fieldID and curve of the sequence
/// ECParameters
void DEREncode(BufferedTransformation &bt) const;
/// \brief Compare two points
/// \param P the first point
/// \param Q the second point
/// \return true if equal, false otherwise
bool Equal(const Point &P, const Point &Q) const;
const Point& Identity() const;
const Point& Inverse(const Point &P) const;
bool InversionIsFast() const {return true;}
const Point& Add(const Point &P, const Point &Q) const;
const Point& Double(const Point &P) const;
Point ScalarMultiply(const Point &P, const Integer &k) const;
Point CascadeScalarMultiply(const Point &P, const Integer &k1, const Point &Q, const Integer &k2) const;
void SimultaneousMultiply(Point *results, const Point &base, const Integer *exponents, unsigned int exponentsCount) const;
Point Multiply(const Integer &k, const Point &P) const
{return ScalarMultiply(P, k);}
Point CascadeMultiply(const Integer &k1, const Point &P, const Integer &k2, const Point &Q) const
{return CascadeScalarMultiply(P, k1, Q, k2);}
bool ValidateParameters(RandomNumberGenerator &rng, unsigned int level=3) const;
bool VerifyPoint(const Point &P) const;
unsigned int EncodedPointSize(bool compressed = false) const
{return 1 + (compressed?1:2)*GetField().MaxElementByteLength();}
// returns false if point is compressed and not valid (doesn't check if uncompressed)
bool DecodePoint(Point &P, BufferedTransformation &bt, size_t len) const;
bool DecodePoint(Point &P, const byte *encodedPoint, size_t len) const;
void EncodePoint(byte *encodedPoint, const Point &P, bool compressed) const;
void EncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const;
Point BERDecodePoint(BufferedTransformation &bt) const;
void DEREncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const;
Integer FieldSize() const {return GetField().GetModulus();}
const Field & GetField() const {return *m_fieldPtr;}
const FieldElement & GetA() const {return m_a;}
const FieldElement & GetB() const {return m_b;}
bool operator==(const ECP &rhs) const
{return GetField() == rhs.GetField() && m_a == rhs.m_a && m_b == rhs.m_b;}
private:
clonable_ptr<Field> m_fieldPtr;
FieldElement m_a, m_b;
mutable Point m_R;
};
CRYPTOPP_DLL_TEMPLATE_CLASS DL_FixedBasePrecomputationImpl<ECP::Point>;
CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupPrecomputation<ECP::Point>;
/// \brief Elliptic Curve precomputation
/// \tparam EC elliptic curve field
template <class EC> class EcPrecomputation;
/// \brief ECP precomputation specialization
/// \details Implementation of <tt>DL_GroupPrecomputation<ECP::Point></tt> with input and output
/// conversions for Montgomery modular multiplication.
/// \sa DL_GroupPrecomputation, ModularArithmetic, MontgomeryRepresentation
template<> class EcPrecomputation<ECP> : public DL_GroupPrecomputation<ECP::Point>
{
public:
typedef ECP EllipticCurve;
virtual ~EcPrecomputation() {}
// DL_GroupPrecomputation
bool NeedConversions() const {return true;}
Element ConvertIn(const Element &P) const
{return P.identity ? P : ECP::Point(m_ec->GetField().ConvertIn(P.x), m_ec->GetField().ConvertIn(P.y));};
Element ConvertOut(const Element &P) const
{return P.identity ? P : ECP::Point(m_ec->GetField().ConvertOut(P.x), m_ec->GetField().ConvertOut(P.y));}
const AbstractGroup<Element> & GetGroup() const {return *m_ec;}
Element BERDecodeElement(BufferedTransformation &bt) const {return m_ec->BERDecodePoint(bt);}
void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {m_ec->DEREncodePoint(bt, v, false);}
/// \brief Set the elliptic curve
/// \param ec ECP derived class
/// \details SetCurve() is not inherited
void SetCurve(const ECP &ec)
{
m_ec.reset(new ECP(ec, true));
m_ecOriginal = ec;
}
/// \brief Get the elliptic curve
/// \return ECP curve
/// \details GetCurve() is not inherited
const ECP & GetCurve() const {return *m_ecOriginal;}
private:
value_ptr<ECP> m_ec, m_ecOriginal;
};
NAMESPACE_END
#if CRYPTOPP_MSC_VERSION
# pragma warning(pop)
#endif
#endif

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// ecpoint.h - written and placed in the public domain by Jeffrey Walton
// Data structures moved from ecp.h and ec2n.h. Added EncodedPoint interface
/// \file ecpoint.h
/// \brief Classes for Elliptic Curve points
/// \since Crypto++ 6.0
#ifndef CRYPTOPP_ECPOINT_H
#define CRYPTOPP_ECPOINT_H
#include "cryptlib.h"
#include "integer.h"
#include "algebra.h"
#include "gf2n.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Elliptical Curve Point over GF(p), where p is prime
/// \since Crypto++ 2.0
struct CRYPTOPP_DLL ECPPoint
{
virtual ~ECPPoint() {}
/// \brief Construct an ECPPoint
/// \details identity is set to <tt>true</tt>
ECPPoint() : identity(true) {}
/// \brief Construct an ECPPoint from coordinates
/// \details identity is set to <tt>false</tt>
ECPPoint(const Integer &x, const Integer &y)
: x(x), y(y), identity(false) {}
/// \brief Tests points for equality
/// \param t the other point
/// \return true if the points are equal, false otherwise
bool operator==(const ECPPoint &t) const
{return (identity && t.identity) || (!identity && !t.identity && x==t.x && y==t.y);}
/// \brief Tests points for ordering
/// \param t the other point
/// \return true if this point is less than other, false otherwise
bool operator< (const ECPPoint &t) const
{return identity ? !t.identity : (!t.identity && (x<t.x || (x==t.x && y<t.y)));}
Integer x, y;
bool identity;
};
CRYPTOPP_DLL_TEMPLATE_CLASS AbstractGroup<ECPPoint>;
/// \brief Elliptical Curve Point over GF(2^n)
/// \since Crypto++ 2.0
struct CRYPTOPP_DLL EC2NPoint
{
virtual ~EC2NPoint() {}
/// \brief Construct an EC2NPoint
/// \details identity is set to <tt>true</tt>
EC2NPoint() : identity(true) {}
/// \brief Construct an EC2NPoint from coordinates
/// \details identity is set to <tt>false</tt>
EC2NPoint(const PolynomialMod2 &x, const PolynomialMod2 &y)
: x(x), y(y), identity(false) {}
/// \brief Tests points for equality
/// \param t the other point
/// \return true if the points are equal, false otherwise
bool operator==(const EC2NPoint &t) const
{return (identity && t.identity) || (!identity && !t.identity && x==t.x && y==t.y);}
/// \brief Tests points for ordering
/// \param t the other point
/// \return true if this point is less than other, false otherwise
bool operator< (const EC2NPoint &t) const
{return identity ? !t.identity : (!t.identity && (x<t.x || (x==t.x && y<t.y)));}
PolynomialMod2 x, y;
bool identity;
};
CRYPTOPP_DLL_TEMPLATE_CLASS AbstractGroup<EC2NPoint>;
/// \brief Abstract class for encoding and decoding ellicptic curve points
/// \tparam Point ellicptic curve point
/// \details EncodedPoint is an interface for encoding and decoding elliptic curve points.
/// The template parameter <tt>Point</tt> should be a class like ECP or EC2N.
/// \since Crypto++ 6.0
template <class Point>
class EncodedPoint
{
public:
virtual ~EncodedPoint() {}
/// \brief Decodes an elliptic curve point
/// \param P point which is decoded
/// \param bt source BufferedTransformation
/// \param len number of bytes to read from the BufferedTransformation
/// \return true if a point was decoded, false otherwise
virtual bool DecodePoint(Point &P, BufferedTransformation &bt, size_t len) const =0;
/// \brief Decodes an elliptic curve point
/// \param P point which is decoded
/// \param encodedPoint byte array with the encoded point
/// \param len the size of the array
/// \return true if a point was decoded, false otherwise
virtual bool DecodePoint(Point &P, const byte *encodedPoint, size_t len) const =0;
/// \brief Verifies points on elliptic curve
/// \param P point to verify
/// \return true if the point is valid, false otherwise
virtual bool VerifyPoint(const Point &P) const =0;
/// \brief Determines encoded point size
/// \param compressed flag indicating if the point is compressed
/// \return the minimum number of bytes required to encode the point
virtual unsigned int EncodedPointSize(bool compressed = false) const =0;
/// \brief Encodes an elliptic curve point
/// \param P point which is decoded
/// \param encodedPoint byte array for the encoded point
/// \param compressed flag indicating if the point is compressed
/// \details <tt>encodedPoint</tt> must be at least EncodedPointSize() in length
virtual void EncodePoint(byte *encodedPoint, const Point &P, bool compressed) const =0;
/// \brief Encodes an elliptic curve point
/// \param bt target BufferedTransformation
/// \param P point which is encoded
/// \param compressed flag indicating if the point is compressed
virtual void EncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const =0;
/// \brief BER Decodes an elliptic curve point
/// \param bt source BufferedTransformation
/// \return the decoded elliptic curve point
virtual Point BERDecodePoint(BufferedTransformation &bt) const =0;
/// \brief DER Encodes an elliptic curve point
/// \param bt target BufferedTransformation
/// \param P point which is encoded
/// \param compressed flag indicating if the point is compressed
virtual void DEREncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const =0;
};
NAMESPACE_END
#endif // CRYPTOPP_ECPOINT_H

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// elgamal.h - originally written and placed in the public domain by Wei Dai
/// \file elgamal.h
/// \brief Classes and functions for ElGamal key agreement and encryption schemes
#ifndef CRYPTOPP_ELGAMAL_H
#define CRYPTOPP_ELGAMAL_H
#include "cryptlib.h"
#include "modexppc.h"
#include "integer.h"
#include "gfpcrypt.h"
#include "pubkey.h"
#include "misc.h"
#include "oids.h"
#include "dsa.h"
#include "asn.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief ElGamal key agreement and encryption schemes base class
/// \since Crypto++ 1.0
class CRYPTOPP_NO_VTABLE ElGamalBase :
public DL_KeyAgreementAlgorithm_DH<Integer, NoCofactorMultiplication>,
public DL_KeyDerivationAlgorithm<Integer>,
public DL_SymmetricEncryptionAlgorithm
{
public:
virtual ~ElGamalBase() {}
void Derive(const DL_GroupParameters<Integer> &groupParams, byte *derivedKey, size_t derivedLength, const Integer &agreedElement, const Integer &ephemeralPublicKey, const NameValuePairs &derivationParams) const
{
CRYPTOPP_UNUSED(groupParams); CRYPTOPP_UNUSED(ephemeralPublicKey);
CRYPTOPP_UNUSED(derivationParams);
agreedElement.Encode(derivedKey, derivedLength);
}
size_t GetSymmetricKeyLength(size_t plainTextLength) const
{
CRYPTOPP_UNUSED(plainTextLength);
return GetGroupParameters().GetModulus().ByteCount();
}
size_t GetSymmetricCiphertextLength(size_t plainTextLength) const
{
unsigned int len = GetGroupParameters().GetModulus().ByteCount();
if (plainTextLength <= GetMaxSymmetricPlaintextLength(len))
return len;
else
return 0;
}
size_t GetMaxSymmetricPlaintextLength(size_t cipherTextLength) const
{
unsigned int len = GetGroupParameters().GetModulus().ByteCount();
CRYPTOPP_ASSERT(len >= 3);
if (cipherTextLength == len)
return STDMIN(255U, len-3);
else
return 0;
}
void SymmetricEncrypt(RandomNumberGenerator &rng, const byte *key, const byte *plainText, size_t plainTextLength, byte *cipherText, const NameValuePairs &parameters) const
{
CRYPTOPP_UNUSED(parameters);
const Integer &p = GetGroupParameters().GetModulus();
unsigned int modulusLen = p.ByteCount();
SecByteBlock block(modulusLen-1);
rng.GenerateBlock(block, modulusLen-2-plainTextLength);
std::memcpy(block+modulusLen-2-plainTextLength, plainText, plainTextLength);
block[modulusLen-2] = (byte)plainTextLength;
a_times_b_mod_c(Integer(key, modulusLen), Integer(block, modulusLen-1), p).Encode(cipherText, modulusLen);
}
DecodingResult SymmetricDecrypt(const byte *key, const byte *cipherText, size_t cipherTextLength, byte *plainText, const NameValuePairs &parameters) const
{
CRYPTOPP_UNUSED(parameters);
const Integer &p = GetGroupParameters().GetModulus();
unsigned int modulusLen = p.ByteCount();
if (cipherTextLength != modulusLen)
return DecodingResult();
Integer m = a_times_b_mod_c(Integer(cipherText, modulusLen), Integer(key, modulusLen).InverseMod(p), p);
m.Encode(plainText, 1);
unsigned int plainTextLength = plainText[0];
if (plainTextLength > GetMaxSymmetricPlaintextLength(modulusLen))
return DecodingResult();
m >>= 8;
m.Encode(plainText, plainTextLength);
return DecodingResult(plainTextLength);
}
virtual const DL_GroupParameters_GFP & GetGroupParameters() const =0;
};
/// \brief ElGamal key agreement and encryption schemes default implementation
/// \tparam BASE Base class implementation
/// \tparam SCHEME_OPTIONS Scheme options
/// \tparam KEY ElGamal key classes
/// \since Crypto++ 1.0
template <class BASE, class SCHEME_OPTIONS, class KEY>
class ElGamalObjectImpl :
public DL_ObjectImplBase<BASE, SCHEME_OPTIONS, KEY>,
public ElGamalBase
{
public:
virtual ~ElGamalObjectImpl() {}
size_t FixedMaxPlaintextLength() const {return this->MaxPlaintextLength(FixedCiphertextLength());}
size_t FixedCiphertextLength() const {return this->CiphertextLength(0);}
const DL_GroupParameters_GFP & GetGroupParameters() const {return this->GetKey().GetGroupParameters();}
DecodingResult FixedLengthDecrypt(RandomNumberGenerator &rng, const byte *cipherText, byte *plainText) const
{return Decrypt(rng, cipherText, FixedCiphertextLength(), plainText);}
protected:
const DL_KeyAgreementAlgorithm<Integer> & GetKeyAgreementAlgorithm() const {return *this;}
const DL_KeyDerivationAlgorithm<Integer> & GetKeyDerivationAlgorithm() const {return *this;}
const DL_SymmetricEncryptionAlgorithm & GetSymmetricEncryptionAlgorithm() const {return *this;}
};
/// \brief ElGamal Public Key adapter
/// \tparam BASE PublicKey derived class
/// \details DL_PublicKey_ElGamal provides an override for GetAlgorithmID()
/// to utilize 1.3.14.7.2.1.1. Prior to DL_PublicKey_ElGamal, the ElGamal
/// keys [mistakenly] used the OID from DSA due to DL_GroupParmaters_GFP().
/// If you need to <tt>Load</tt> an ElGamal key with the wrong OID then
/// see <A HREF="https://www.cryptopp.com/wiki/ElGamal">ElGamal</A> on
/// the Crypto++ wiki.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/876">Issue 876</A>,
/// <A HREF="https://github.com/weidai11/cryptopp/issues/567">Issue 567</A>
/// \since Crypto++ 8.3
template <class BASE>
struct DL_PublicKey_ElGamal : public BASE
{
virtual ~DL_PublicKey_ElGamal() {}
/// \brief Retrieves the OID of the algorithm
/// \return OID of the algorithm
/// \details DL_PrivateKey_ElGamal provides an override for GetAlgorithmID()
/// to utilize 1.3.14.7.2.1.1. Prior to DL_PrivateKey_ElGamal, the ElGamal
/// keys [mistakenly] used the OID from DSA due to DL_GroupParmaters_GFP().
/// If you need to <tt>Load</tt> an ElGamal key with the wrong OID then
/// see <A HREF="https://www.cryptopp.com/wiki/ElGamal">ElGamal</A> on
/// the Crypto++ wiki.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/876">Issue 876</A>,
/// <A HREF="https://github.com/weidai11/cryptopp/issues/567">Issue 567</A>
virtual OID GetAlgorithmID() const {
return ASN1::elGamal();
}
};
/// \brief ElGamal Private Key adapter
/// \tparam BASE PrivateKey derived class
/// \details DL_PrivateKey_ElGamal provides an override for GetAlgorithmID()
/// to utilize 1.3.14.7.2.1.1. Prior to DL_PrivateKey_ElGamal, the ElGamal
/// keys [mistakenly] used the OID from DSA due to DL_GroupParmaters_GFP().
/// If you need to <tt>Load</tt> an ElGamal key with the wrong OID then
/// see <A HREF="https://www.cryptopp.com/wiki/ElGamal">ElGamal</A> on
/// the Crypto++ wiki.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/876">Issue 876</A>,
/// <A HREF="https://github.com/weidai11/cryptopp/issues/567">Issue 567</A>
/// \since Crypto++ 8.3
template <class BASE>
struct DL_PrivateKey_ElGamal : public BASE
{
virtual ~DL_PrivateKey_ElGamal() {}
/// \brief Retrieves the OID of the algorithm
/// \return OID of the algorithm
/// \details DL_PrivateKey_ElGamal provides an override for GetAlgorithmID()
/// to utilize 1.3.14.7.2.1.1. Prior to DL_PrivateKey_ElGamal, the ElGamal
/// keys [mistakenly] used the OID from DSA due to DL_GroupParmaters_GFP().
/// If you need to <tt>Load</tt> an ElGamal key with the wrong OID then
/// see <A HREF="https://www.cryptopp.com/wiki/ElGamal">ElGamal</A> on
/// the Crypto++ wiki.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/876">Issue 876</A>,
/// <A HREF="https://github.com/weidai11/cryptopp/issues/567">Issue 567</A>
virtual OID GetAlgorithmID() const {
return ASN1::elGamal();
}
/// \brief Check the key for errors
/// \param rng RandomNumberGenerator for objects which use randomized testing
/// \param level level of thoroughness
/// \return true if the tests succeed, false otherwise
/// \details There are four levels of thoroughness:
/// <ul>
/// <li>0 - using this object won't cause a crash or exception
/// <li>1 - this object will probably function, and encrypt, sign, other
/// operations correctly
/// <li>2 - ensure this object will function correctly, and perform
/// reasonable security checks
/// <li>3 - perform reasonable security checks, and do checks that may
/// take a long time
/// </ul>
/// \details Level 0 does not require a RandomNumberGenerator. A NullRNG() can
/// be used for level 0. Level 1 may not check for weak keys and such.
/// Levels 2 and 3 are recommended.
bool Validate(RandomNumberGenerator &rng, unsigned int level) const
{
// Validate() formerly used DL_PrivateKey_GFP implementation through
// inheritance. However, it would reject keys from other libraries
// like BouncyCastle. The failure was x < q. According to ElGamal's
// paper and the HAC, the private key is selected in over [1,p-1],
// Later Tsiounis and Yung showed the lower limit as [1,q-1] in
// "On the Security of EIGamal Based Encryption". As such, Crypto++
// will generate a key in the range [1,q-1], but accept a key
// in [1,p-1]. Thanks to JPM for finding the reference. Also see
// https://github.com/weidai11/cryptopp/commit/a5a684d92986.
CRYPTOPP_ASSERT(this->GetAbstractGroupParameters().Validate(rng, level));
bool pass = this->GetAbstractGroupParameters().Validate(rng, level);
const Integer &p = this->GetGroupParameters().GetModulus();
const Integer &q = this->GetAbstractGroupParameters().GetSubgroupOrder();
const Integer &x = this->GetPrivateExponent();
// Changed to x < p-1 based on ElGamal's paper and the HAC.
CRYPTOPP_ASSERT(x.IsPositive());
CRYPTOPP_ASSERT(x < p-1);
pass = pass && x.IsPositive() && x < p-1;
if (level >= 1)
{
// Minimum security level due to Tsiounis and Yung.
CRYPTOPP_ASSERT(Integer::Gcd(x, q) == Integer::One());
pass = pass && Integer::Gcd(x, q) == Integer::One();
}
return pass;
}
};
/// \brief ElGamal key agreement and encryption schemes keys
/// \details ElGamalKeys provide the algorithm implementation ElGamal key
/// agreement and encryption schemes.
/// \details The ElGamalKeys class used <tt>DL_PrivateKey_GFP_OldFormat</tt>
/// and <tt>DL_PublicKey_GFP_OldFormat</tt> for the <tt>PrivateKey</tt> and
/// <tt>PublicKey</tt> from about Crypto++ 1.0 through Crypto++ 5.6.5. At
/// Crypto++ 6.0 the serialization format was cutover to standard PKCS8 and
/// X509 encodings.
/// \details The ElGamalKeys class [mistakenly] used the OID for DSA from
/// about Crypto++ 1.0 through Crypto++ 8.2. At Crypto++ 8.3 the OID was
/// fixed and now uses ElGamal encryption, which is 1.3.14.7.2.1.1.
/// If you need to <tt>Load</tt> an ElGamal key with the wrong OID then
/// see <A HREF="https://www.cryptopp.com/wiki/ElGamal">ElGamal</A> on
/// the Crypto++ wiki.
/// \details At Crypto++ 8.6 ElGamalKeys were changed to use DL_CryptoKeys_ElGamal
/// due to Issue 1069 and CVE-2021-40530. DL_CryptoKeys_ElGamal group parameters
/// use the subgroup order, and not an estimated work factor.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/876">Issue 876</A>,
/// <A HREF="https://github.com/weidai11/cryptopp/issues/567">Issue 567</A>,
/// <A HREF="https://github.com/weidai11/cryptopp/issues/1059">Issue 1059</A>
/// \since Crypto++ 1.0
struct ElGamalKeys
{
/// \brief Implements DL_GroupParameters interface
typedef DL_CryptoKeys_ElGamal::GroupParameters GroupParameters;
/// \brief Implements DL_PrivateKey interface
typedef DL_PrivateKey_ElGamal<DL_CryptoKeys_ElGamal::PrivateKey> PrivateKey;
/// \brief Implements DL_PublicKey interface
typedef DL_PublicKey_ElGamal<DL_CryptoKeys_ElGamal::PublicKey> PublicKey;
};
/// \brief ElGamal encryption scheme with non-standard padding
/// \details ElGamal provide the algorithm implementation ElGamal key
/// agreement and encryption schemes.
/// \details The ElGamal class [mistakenly] used the OID for DSA from about
/// Crypto++ 1.0 through Crypto++ 8.2. At Crypto++ 8.3 the OID was fixed
/// and now uses ElGamal encryption, which is 1.3.14.7.2.1.1.
/// If you need to <tt>Load</tt> an ElGamal key with the wrong OID then
/// see <A HREF="https://www.cryptopp.com/wiki/ElGamal">ElGamal</A> on
/// the Crypto++ wiki.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/876">Issue 876</A>,
/// <A HREF="https://github.com/weidai11/cryptopp/issues/567">Issue 567</A>
/// \since Crypto++ 1.0
struct ElGamal
{
typedef DL_CryptoSchemeOptions<ElGamal, ElGamalKeys, int, int, int> SchemeOptions;
typedef SchemeOptions::PrivateKey PrivateKey;
typedef SchemeOptions::PublicKey PublicKey;
/// \brief The algorithm name
/// \return the algorithm name
/// \details StaticAlgorithmName returns the algorithm's name as a static
/// member function.
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "ElgamalEnc/Crypto++Padding";}
/// \brief Implements DL_GroupParameters interface
typedef SchemeOptions::GroupParameters GroupParameters;
/// \brief Implements PK_Encryptor interface
typedef PK_FinalTemplate<ElGamalObjectImpl<DL_EncryptorBase<Integer>, SchemeOptions, SchemeOptions::PublicKey> > Encryptor;
/// \brief Implements PK_Encryptor interface
typedef PK_FinalTemplate<ElGamalObjectImpl<DL_DecryptorBase<Integer>, SchemeOptions, SchemeOptions::PrivateKey> > Decryptor;
};
typedef ElGamal::Encryptor ElGamalEncryptor;
typedef ElGamal::Decryptor ElGamalDecryptor;
NAMESPACE_END
#endif

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// emsa2.h - originally written and placed in the public domain by Wei Dai
/// \file emsa2.h
/// \brief Classes and functions for various padding schemes used in public key algorithms
#ifndef CRYPTOPP_EMSA2_H
#define CRYPTOPP_EMSA2_H
#include "cryptlib.h"
#include "pubkey.h"
#include "hashfwd.h"
#include "misc.h"
#ifdef CRYPTOPP_IS_DLL
# include "sha.h"
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief EMSA2 hash identifier
/// \tparam H HashTransformation derived class
/// \since Crypto++ 5.0
template <class H> class EMSA2HashId
{
public:
static const byte id;
};
/// \brief EMSA2 padding method
/// \tparam BASE Message encoding method
/// \since Crypto++ 5.0
template <class BASE>
class EMSA2HashIdLookup : public BASE
{
public:
struct HashIdentifierLookup
{
template <class H> struct HashIdentifierLookup2
{
static HashIdentifier Lookup()
{
return HashIdentifier(&EMSA2HashId<H>::id, 1);
}
};
};
};
// EMSA2HashId can be instantiated with the following classes.
// SHA1, SHA224, SHA256, SHA384, SHA512, RIPEMD128, RIPEMD160, Whirlpool
#ifdef CRYPTOPP_IS_DLL
CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA1>;
CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA224>;
CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA256>;
CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA384>;
CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA512>;
#endif
// https://github.com/weidai11/cryptopp/issues/300 and
// https://github.com/weidai11/cryptopp/issues/533
#if defined(__clang__)
template<> const byte EMSA2HashId<SHA1>::id;
template<> const byte EMSA2HashId<SHA224>::id;
template<> const byte EMSA2HashId<SHA256>::id;
template<> const byte EMSA2HashId<SHA384>::id;
template<> const byte EMSA2HashId<SHA512>::id;
#endif
/// \brief EMSA2 padding method
/// \since Crypto++ 5.0
class CRYPTOPP_DLL EMSA2Pad : public EMSA2HashIdLookup<PK_DeterministicSignatureMessageEncodingMethod>
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "EMSA2";}
size_t MinRepresentativeBitLength(size_t hashIdentifierLength, size_t digestLength) const
{CRYPTOPP_UNUSED(hashIdentifierLength); return 8*digestLength + 31;}
void ComputeMessageRepresentative(RandomNumberGenerator &rng,
const byte *recoverableMessage, size_t recoverableMessageLength,
HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
byte *representative, size_t representativeBitLength) const;
};
// EMSA2, for use with RWSS and RSA_ISO
// Only the following hash functions are supported by this signature standard:
// \dontinclude emsa2.h
// \skip EMSA2HashId can be instantiated
// \until end of list
/// \brief EMSA2/P1363 padding method
/// \details Use with RWSS and RSA_ISO
/// \since Crypto++ 5.0
struct P1363_EMSA2 : public SignatureStandard
{
typedef EMSA2Pad SignatureMessageEncodingMethod;
};
NAMESPACE_END
#endif

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// eprecomp.h - originally written and placed in the public domain by Wei Dai
/// \file eprecomp.h
/// \brief Classes for precomputation in a group
#ifndef CRYPTOPP_EPRECOMP_H
#define CRYPTOPP_EPRECOMP_H
#include "cryptlib.h"
#include "integer.h"
#include "algebra.h"
#include "stdcpp.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief DL_GroupPrecomputation interface
/// \tparam T Field element
template <class T>
class DL_GroupPrecomputation
{
public:
typedef T Element;
virtual ~DL_GroupPrecomputation() {}
/// \brief Determines if elements needs conversion
/// \return true if the element needs conversion, false otherwise
/// \details NeedConversions determines if an element must convert between representations.
virtual bool NeedConversions() const {return false;}
/// \brief Converts an element between representations
/// \param v element to convert
/// \return an element converted to an alternate representation for internal use
/// \details ConvertIn is used when an element must convert between representations.
virtual Element ConvertIn(const Element &v) const {return v;}
/// \brief Converts an element between representations
/// \param v element to convert
/// \return an element converted from an alternate representation
virtual Element ConvertOut(const Element &v) const {return v;}
/// \brief Retrieves AbstractGroup interface
/// \return GetGroup() returns the AbstractGroup interface
virtual const AbstractGroup<Element> & GetGroup() const =0;
/// \brief Decodes element in DER format
/// \param bt BufferedTransformation object
/// \return element in the group
virtual Element BERDecodeElement(BufferedTransformation &bt) const =0;
/// \brief Encodes element in DER format
/// \param bt BufferedTransformation object
/// \param P Element to encode
virtual void DEREncodeElement(BufferedTransformation &bt, const Element &P) const =0;
};
/// \brief DL_FixedBasePrecomputation interface
/// \tparam T Field element
template <class T>
class DL_FixedBasePrecomputation
{
public:
typedef T Element;
virtual ~DL_FixedBasePrecomputation() {}
/// \brief Determines whether this object is initialized
/// \return true if this object is initialized, false otherwise
virtual bool IsInitialized() const =0;
/// \brief Set the base element
/// \param group the group
/// \param base element in the group
virtual void SetBase(const DL_GroupPrecomputation<Element> &group, const Element &base) =0;
/// \brief Get the base element
/// \param group the group
/// \return base element in the group
virtual const Element & GetBase(const DL_GroupPrecomputation<Element> &group) const =0;
/// \brief Perform precomputation
/// \param group the group
/// \param maxExpBits used to calculate the exponent base
/// \param storage the suggested number of objects for the precompute table
/// \details The exact semantics of Precompute() varies, but it typically means calculate
/// a table of n objects that can be used later to speed up computation.
/// \details If a derived class does not override Precompute(), then the base class throws
/// NotImplemented.
/// \sa SupportsPrecomputation(), LoadPrecomputation(), SavePrecomputation()
virtual void Precompute(const DL_GroupPrecomputation<Element> &group, unsigned int maxExpBits, unsigned int storage) =0;
/// \brief Retrieve previously saved precomputation
/// \param group the group
/// \param storedPrecomputation BufferedTransformation with the saved precomputation
/// \throw NotImplemented
/// \sa SupportsPrecomputation(), Precompute()
virtual void Load(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) =0;
/// \brief Save precomputation for later use
/// \param group the group
/// \param storedPrecomputation BufferedTransformation to write the precomputation
/// \throw NotImplemented
/// \sa SupportsPrecomputation(), Precompute()
virtual void Save(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) const =0;
/// \brief Exponentiates an element
/// \param group the group
/// \param exponent the exponent
/// \return the result of the exponentiation
virtual Element Exponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent) const =0;
/// \brief Exponentiates an element
/// \param pc1 the first the group precomputation
/// \param exponent1 the first exponent
/// \param pc2 the second the group precomputation
/// \param exponent2 the first exponent2
/// \return the public element raised to the exponent
/// \details CascadeExponentiateBaseAndPublicElement raises the public element to
/// the base element and precomputation.
virtual Element CascadeExponentiate(const DL_GroupPrecomputation<Element> &pc1, const Integer &exponent1, const DL_FixedBasePrecomputation<Element> &pc2, const Integer &exponent2) const =0;
};
/// \brief DL_FixedBasePrecomputation adapter class
/// \tparam T Field element
template <class T>
class DL_FixedBasePrecomputationImpl : public DL_FixedBasePrecomputation<T>
{
public:
typedef T Element;
virtual ~DL_FixedBasePrecomputationImpl() {}
DL_FixedBasePrecomputationImpl() : m_windowSize(0) {}
// DL_FixedBasePrecomputation
bool IsInitialized() const
{return !m_bases.empty();}
void SetBase(const DL_GroupPrecomputation<Element> &group, const Element &base);
const Element & GetBase(const DL_GroupPrecomputation<Element> &group) const
{return group.NeedConversions() ? m_base : m_bases[0];}
void Precompute(const DL_GroupPrecomputation<Element> &group, unsigned int maxExpBits, unsigned int storage);
void Load(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation);
void Save(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) const;
Element Exponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent) const;
Element CascadeExponentiate(const DL_GroupPrecomputation<Element> &pc1, const Integer &exponent1, const DL_FixedBasePrecomputation<Element> &pc2, const Integer &exponent2) const;
private:
void PrepareCascade(const DL_GroupPrecomputation<Element> &group, std::vector<BaseAndExponent<Element> > &eb, const Integer &exponent) const;
Element m_base;
unsigned int m_windowSize;
Integer m_exponentBase; // what base to represent the exponent in
std::vector<Element> m_bases; // precalculated bases
};
NAMESPACE_END
#ifdef CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES
#include "eprecomp.cpp"
#endif
#endif

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// esign.h - originally written and placed in the public domain by Wei Dai
/// \file esign.h
/// \brief Classes providing ESIGN signature schemes as defined in IEEE P1363a
/// \since Crypto++ 5.0
#ifndef CRYPTOPP_ESIGN_H
#define CRYPTOPP_ESIGN_H
#include "cryptlib.h"
#include "pubkey.h"
#include "integer.h"
#include "asn.h"
#include "misc.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief ESIGN trapdoor function using the public key
/// \since Crypto++ 5.0
class ESIGNFunction : public TrapdoorFunction, public ASN1CryptoMaterial<PublicKey>
{
typedef ESIGNFunction ThisClass;
public:
/// \brief Initialize a ESIGN public key with {n,e}
/// \param n the modulus
/// \param e the public exponent
void Initialize(const Integer &n, const Integer &e)
{m_n = n; m_e = e;}
// PublicKey
void BERDecode(BufferedTransformation &bt);
void DEREncode(BufferedTransformation &bt) const;
// CryptoMaterial
bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
void AssignFrom(const NameValuePairs &source);
// TrapdoorFunction
Integer ApplyFunction(const Integer &x) const;
Integer PreimageBound() const {return m_n;}
Integer ImageBound() const {return Integer::Power2(GetK());}
// non-derived
const Integer & GetModulus() const {return m_n;}
const Integer & GetPublicExponent() const {return m_e;}
void SetModulus(const Integer &n) {m_n = n;}
void SetPublicExponent(const Integer &e) {m_e = e;}
protected:
// Covertiy finding on overflow. The library allows small values for research purposes.
unsigned int GetK() const {return SaturatingSubtract(m_n.BitCount()/3, 1U);}
Integer m_n, m_e;
};
/// \brief ESIGN trapdoor function using the private key
/// \since Crypto++ 5.0
class InvertibleESIGNFunction : public ESIGNFunction, public RandomizedTrapdoorFunctionInverse, public PrivateKey
{
typedef InvertibleESIGNFunction ThisClass;
public:
/// \brief Initialize a ESIGN private key with {n,e,p,q}
/// \param n modulus
/// \param e public exponent
/// \param p first prime factor
/// \param q second prime factor
/// \details This Initialize() function overload initializes a private key from existing parameters.
void Initialize(const Integer &n, const Integer &e, const Integer &p, const Integer &q)
{m_n = n; m_e = e; m_p = p; m_q = q;}
/// \brief Create a ESIGN private key
/// \param rng a RandomNumberGenerator derived class
/// \param modulusBits the size of the modulud, in bits
/// \details This function overload of Initialize() creates a new private key because it
/// takes a RandomNumberGenerator() as a parameter. If you have an existing keypair,
/// then use one of the other Initialize() overloads.
void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits)
{GenerateRandomWithKeySize(rng, modulusBits);}
// Squash Visual Studio C4250 warning
void Save(BufferedTransformation &bt) const
{BEREncode(bt);}
// Squash Visual Studio C4250 warning
void Load(BufferedTransformation &bt)
{BERDecode(bt);}
void BERDecode(BufferedTransformation &bt);
void DEREncode(BufferedTransformation &bt) const;
Integer CalculateRandomizedInverse(RandomNumberGenerator &rng, const Integer &x) const;
// GeneratibleCryptoMaterial
bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
void AssignFrom(const NameValuePairs &source);
/*! parameters: (ModulusSize) */
void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg);
const Integer& GetPrime1() const {return m_p;}
const Integer& GetPrime2() const {return m_q;}
void SetPrime1(const Integer &p) {m_p = p;}
void SetPrime2(const Integer &q) {m_q = q;}
protected:
Integer m_p, m_q;
};
/// \brief EMSA5 padding method
/// \tparam T Mask Generation Function
/// \since Crypto++ 5.0
template <class T>
class EMSA5Pad : public PK_DeterministicSignatureMessageEncodingMethod
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "EMSA5";}
void ComputeMessageRepresentative(RandomNumberGenerator &rng,
const byte *recoverableMessage, size_t recoverableMessageLength,
HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
byte *representative, size_t representativeBitLength) const
{
CRYPTOPP_UNUSED(rng), CRYPTOPP_UNUSED(recoverableMessage), CRYPTOPP_UNUSED(recoverableMessageLength);
CRYPTOPP_UNUSED(messageEmpty), CRYPTOPP_UNUSED(hashIdentifier);
SecByteBlock digest(hash.DigestSize());
hash.Final(digest);
size_t representativeByteLength = BitsToBytes(representativeBitLength);
T mgf;
mgf.GenerateAndMask(hash, representative, representativeByteLength, digest, digest.size(), false);
if (representativeBitLength % 8 != 0)
representative[0] = (byte)Crop(representative[0], representativeBitLength % 8);
}
};
/// \brief EMSA5 padding method, for use with ESIGN
/// \since Crypto++ 5.0
struct P1363_EMSA5 : public SignatureStandard
{
typedef EMSA5Pad<P1363_MGF1> SignatureMessageEncodingMethod;
};
/// \brief ESIGN keys
/// \since Crypto++ 5.0
struct ESIGN_Keys
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "ESIGN";}
typedef ESIGNFunction PublicKey;
typedef InvertibleESIGNFunction PrivateKey;
};
/// \brief ESIGN signature scheme, IEEE P1363a
/// \tparam H HashTransformation derived class
/// \tparam STANDARD Signature encoding method
/// \since Crypto++ 5.0
template <class H, class STANDARD = P1363_EMSA5>
struct ESIGN : public TF_SS<ESIGN_Keys, STANDARD, H>
{
};
NAMESPACE_END
#endif

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// factory.h - originally written and placed in the public domain by Wei Dai
/// \file factory.h
/// \brief Classes and functions for registering and locating library objects
#ifndef CRYPTOPP_OBJFACT_H
#define CRYPTOPP_OBJFACT_H
#include "cryptlib.h"
#include "misc.h"
#include "stdcpp.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Object factory interface for registering objects
/// \tparam AbstractClass Base class interface of the object
template <class AbstractClass>
class ObjectFactory
{
public:
virtual ~ObjectFactory () {}
virtual AbstractClass * CreateObject() const =0;
};
/// \brief Object factory for registering objects
/// \tparam AbstractClass Base class interface of the object
/// \tparam ConcreteClass Class object
template <class AbstractClass, class ConcreteClass>
class DefaultObjectFactory : public ObjectFactory<AbstractClass>
{
public:
AbstractClass * CreateObject() const
{
return new ConcreteClass;
}
};
/// \brief Object factory registry
/// \tparam AbstractClass Base class interface of the object
/// \tparam instance unique identifier
template <class AbstractClass, int instance=0>
class ObjectFactoryRegistry
{
public:
class FactoryNotFound : public Exception
{
public:
FactoryNotFound(const char *name) : Exception(OTHER_ERROR, std::string("ObjectFactoryRegistry: could not find factory for algorithm ") + name) {}
};
~ObjectFactoryRegistry()
{
for (typename Map::iterator i = m_map.begin(); i != m_map.end(); ++i)
{
delete (ObjectFactory<AbstractClass> *)i->second;
i->second = NULLPTR;
}
}
void RegisterFactory(const std::string &name, ObjectFactory<AbstractClass> *factory)
{
m_map[name] = factory;
}
const ObjectFactory<AbstractClass> * GetFactory(const char *name) const
{
typename Map::const_iterator i = m_map.find(name);
return i == m_map.end() ? NULLPTR : (ObjectFactory<AbstractClass> *)i->second;
}
AbstractClass *CreateObject(const char *name) const
{
const ObjectFactory<AbstractClass> *factory = GetFactory(name);
if (!factory)
throw FactoryNotFound(name);
return factory->CreateObject();
}
// Return a vector containing the factory names. This is easier than returning an iterator.
// from Andrew Pitonyak
std::vector<std::string> GetFactoryNames() const
{
std::vector<std::string> names;
typename Map::const_iterator iter;
for (iter = m_map.begin(); iter != m_map.end(); ++iter)
names.push_back(iter->first);
return names;
}
CRYPTOPP_NOINLINE static ObjectFactoryRegistry<AbstractClass, instance> & Registry(CRYPTOPP_NOINLINE_DOTDOTDOT);
private:
// use void * instead of ObjectFactory<AbstractClass> * to save code size
typedef std::map<std::string, void *> Map;
Map m_map;
};
template <class AbstractClass, int instance>
ObjectFactoryRegistry<AbstractClass, instance> & ObjectFactoryRegistry<AbstractClass, instance>::Registry(CRYPTOPP_NOINLINE_DOTDOTDOT)
{
static ObjectFactoryRegistry<AbstractClass, instance> s_registry;
return s_registry;
}
/// \brief Object factory registry helper
/// \tparam AbstractClass Base class interface of the object
/// \tparam ConcreteClass Class object
/// \tparam instance unique identifier
template <class AbstractClass, class ConcreteClass, int instance = 0>
struct RegisterDefaultFactoryFor
{
RegisterDefaultFactoryFor(const char *name=NULLPTR)
{
// BCB2006 workaround
std::string n = name ? std::string(name) : std::string(ConcreteClass::StaticAlgorithmName());
ObjectFactoryRegistry<AbstractClass, instance>::Registry().
RegisterFactory(n, new DefaultObjectFactory<AbstractClass, ConcreteClass>);
}
};
/// \fn RegisterAsymmetricCipherDefaultFactories
/// \brief Register asymmetric ciphers
/// \tparam SchemeClass interface of the object under a scheme
/// \details Schemes include asymmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>),
/// signature schemes (registers <tt>SchemeClass::Signer</tt> and <tt>SchemeClass::Verifier</tt>),
/// symmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>),
/// authenticated symmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>), etc.
template <class SchemeClass>
void RegisterAsymmetricCipherDefaultFactories(const char *name=NULLPTR)
{
RegisterDefaultFactoryFor<PK_Encryptor, typename SchemeClass::Encryptor>((const char *)name);
RegisterDefaultFactoryFor<PK_Decryptor, typename SchemeClass::Decryptor>((const char *)name);
}
/// \fn RegisterSignatureSchemeDefaultFactories
/// \brief Register signature schemes
/// \tparam SchemeClass interface of the object under a scheme
/// \details Schemes include asymmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>),
/// signature schemes (registers <tt>SchemeClass::Signer</tt> and <tt>SchemeClass::Verifier</tt>),
/// symmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>),
/// authenticated symmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>), etc.
template <class SchemeClass>
void RegisterSignatureSchemeDefaultFactories(const char *name=NULLPTR)
{
RegisterDefaultFactoryFor<PK_Signer, typename SchemeClass::Signer>((const char *)name);
RegisterDefaultFactoryFor<PK_Verifier, typename SchemeClass::Verifier>((const char *)name);
}
/// \fn RegisterSymmetricCipherDefaultFactories
/// \brief Register symmetric ciphers
/// \tparam SchemeClass interface of the object under a scheme
/// \details Schemes include asymmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>),
/// signature schemes (registers <tt>SchemeClass::Signer</tt> and <tt>SchemeClass::Verifier</tt>),
/// symmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>),
/// authenticated symmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>), etc.
template <class SchemeClass>
void RegisterSymmetricCipherDefaultFactories(const char *name=NULLPTR)
{
RegisterDefaultFactoryFor<SymmetricCipher, typename SchemeClass::Encryption, ENCRYPTION>((const char *)name);
RegisterDefaultFactoryFor<SymmetricCipher, typename SchemeClass::Decryption, DECRYPTION>((const char *)name);
}
/// \fn RegisterAuthenticatedSymmetricCipherDefaultFactories
/// \brief Register authenticated symmetric ciphers
/// \tparam SchemeClass interface of the object under a scheme
/// \details Schemes include asymmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>),
/// signature schemes (registers <tt>SchemeClass::Signer</tt> and <tt>SchemeClass::Verifier</tt>),
/// symmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>),
/// authenticated symmetric ciphers (registers <tt>SchemeClass::Encryptor</tt> and <tt>SchemeClass::Decryptor</tt>), etc.
template <class SchemeClass>
void RegisterAuthenticatedSymmetricCipherDefaultFactories(const char *name=NULLPTR)
{
RegisterDefaultFactoryFor<AuthenticatedSymmetricCipher, typename SchemeClass::Encryption, ENCRYPTION>((const char *)name);
RegisterDefaultFactoryFor<AuthenticatedSymmetricCipher, typename SchemeClass::Decryption, DECRYPTION>((const char *)name);
}
NAMESPACE_END
#endif

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// fhmqv.h - written and placed in the public domain by Jeffrey Walton, Ray Clayton and Uri Blumenthal
// Shamelessly based upon Wei Dai's MQV source files
#ifndef CRYPTOPP_FHMQV_H
#define CRYPTOPP_FHMQV_H
/// \file fhmqv.h
/// \brief Classes for Fully Hashed Menezes-Qu-Vanstone key agreement in GF(p)
/// \since Crypto++ 5.6.4
#include "gfpcrypt.h"
#include "algebra.h"
#include "sha.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Fully Hashed Menezes-Qu-Vanstone in GF(p)
/// \details This implementation follows Augustin P. Sarr and Philippe Elbaz–Vincent, and Jean–Claude Bajard's
/// <a href="http://eprint.iacr.org/2009/408">A Secure and Efficient Authenticated Diffie-Hellman Protocol</a>.
/// Note: this is FHMQV, Protocol 5, from page 11; and not FHMQV-C.
/// \sa MQV, HMQV, FHMQV, and AuthenticatedKeyAgreementDomain
/// \since Crypto++ 5.6.4
template <class GROUP_PARAMETERS, class COFACTOR_OPTION = typename GROUP_PARAMETERS::DefaultCofactorOption, class HASH = SHA512>
class FHMQV_Domain : public AuthenticatedKeyAgreementDomain
{
public:
typedef GROUP_PARAMETERS GroupParameters;
typedef typename GroupParameters::Element Element;
typedef FHMQV_Domain<GROUP_PARAMETERS, COFACTOR_OPTION, HASH> Domain;
virtual ~FHMQV_Domain() {}
/// \brief Construct a FHMQV domain
/// \param clientRole flag indicating initiator or recipient
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
FHMQV_Domain(bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer) {}
/// \brief Construct a FHMQV domain
/// \param params group parameters and options
/// \param clientRole flag indicating initiator or recipient
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
FHMQV_Domain(const GroupParameters &params, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer), m_groupParameters(params) {}
/// \brief Construct a FHMQV domain
/// \param bt BufferedTransformation with group parameters and options
/// \param clientRole flag indicating initiator or recipient
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
FHMQV_Domain(BufferedTransformation &bt, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.BERDecode(bt);}
/// \brief Construct a FHMQV domain
/// \tparam T1 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param clientRole flag indicating initiator or recipient
/// \details v1 is passed directly to the GROUP_PARAMETERS object.
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
template <class T1>
FHMQV_Domain(T1 v1, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.Initialize(v1);}
/// \brief Construct a FHMQV domain
/// \tparam T1 template parameter used as a constructor parameter
/// \tparam T2 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param v2 second parameter
/// \param clientRole flag indicating initiator or recipient
/// \details v1 and v2 are passed directly to the GROUP_PARAMETERS object.
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
template <class T1, class T2>
FHMQV_Domain(T1 v1, T2 v2, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.Initialize(v1, v2);}
/// \brief Construct a FHMQV domain
/// \tparam T1 template parameter used as a constructor parameter
/// \tparam T2 template parameter used as a constructor parameter
/// \tparam T3 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param v2 second parameter
/// \param v3 third parameter
/// \param clientRole flag indicating initiator or recipient
/// \details v1, v2 and v3 are passed directly to the GROUP_PARAMETERS object.
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
template <class T1, class T2, class T3>
FHMQV_Domain(T1 v1, T2 v2, T3 v3, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.Initialize(v1, v2, v3);}
/// \brief Construct a FHMQV domain
/// \tparam T1 template parameter used as a constructor parameter
/// \tparam T2 template parameter used as a constructor parameter
/// \tparam T3 template parameter used as a constructor parameter
/// \tparam T4 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param v2 second parameter
/// \param v3 third parameter
/// \param v4 third parameter
/// \param clientRole flag indicating initiator or recipient
/// \details v1, v2, v3 and v4 are passed directly to the GROUP_PARAMETERS object.
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
template <class T1, class T2, class T3, class T4>
FHMQV_Domain(T1 v1, T2 v2, T3 v3, T4 v4, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.Initialize(v1, v2, v3, v4);}
public:
/// \brief Retrieves the group parameters for this domain
/// \return the group parameters for this domain as a const reference
const GroupParameters & GetGroupParameters() const {return m_groupParameters;}
/// \brief Retrieves the group parameters for this domain
/// \return the group parameters for this domain as a non-const reference
GroupParameters & AccessGroupParameters() {return m_groupParameters;}
/// \brief Retrieves the crypto parameters for this domain
/// \return the crypto parameters for this domain as a non-const reference
CryptoParameters & AccessCryptoParameters() {return AccessAbstractGroupParameters();}
/// \brief Provides the size of the agreed value
/// \return size of agreed value produced in this domain
/// \details The length is calculated using <tt>GetEncodedElementSize(false)</tt>,
/// which means the element is encoded in a non-reversible format. A
/// non-reversible format means its a raw byte array, and it lacks presentation
/// format like an ASN.1 BIT_STRING or OCTET_STRING.
unsigned int AgreedValueLength() const
{return GetAbstractGroupParameters().GetEncodedElementSize(false);}
/// \brief Provides the size of the static private key
/// \return size of static private keys in this domain
/// \details The length is calculated using the byte count of the subgroup order.
unsigned int StaticPrivateKeyLength() const
{return GetAbstractGroupParameters().GetSubgroupOrder().ByteCount();}
/// \brief Provides the size of the static public key
/// \return size of static public keys in this domain
/// \details The length is calculated using <tt>GetEncodedElementSize(true)</tt>,
/// which means the element is encoded in a reversible format. A reversible
/// format means it has a presentation format, and its an ANS.1 encoded element
/// or point.
unsigned int StaticPublicKeyLength() const
{return GetAbstractGroupParameters().GetEncodedElementSize(true);}
/// \brief Generate static private key in this domain
/// \param rng a RandomNumberGenerator derived class
/// \param privateKey a byte buffer for the generated private key in this domain
/// \details The private key is a random scalar used as an exponent in the range
/// <tt>[1,MaxExponent()]</tt>.
/// \pre <tt>COUNTOF(privateKey) == PrivateStaticKeyLength()</tt>
void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
{
Integer x(rng, Integer::One(), GetAbstractGroupParameters().GetMaxExponent());
x.Encode(privateKey, StaticPrivateKeyLength());
}
/// \brief Generate a static public key from a private key in this domain
/// \param rng a RandomNumberGenerator derived class
/// \param privateKey a byte buffer with the previously generated private key
/// \param publicKey a byte buffer for the generated public key in this domain
/// \details The public key is an element or point on the curve, and its stored
/// in a revrsible format. A reversible format means it has a presentation
/// format, and its an ANS.1 encoded element or point.
/// \pre <tt>COUNTOF(publicKey) == PublicStaticKeyLength()</tt>
void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
{
CRYPTOPP_UNUSED(rng);
const DL_GroupParameters<Element> &params = GetAbstractGroupParameters();
Integer x(privateKey, StaticPrivateKeyLength());
Element y = params.ExponentiateBase(x);
params.EncodeElement(true, y, publicKey);
}
/// \brief Provides the size of the ephemeral private key
/// \return size of ephemeral private keys in this domain
/// \details An ephemeral private key is a private key and public key.
/// The serialized size is different than a static private key.
unsigned int EphemeralPrivateKeyLength() const {return StaticPrivateKeyLength() + StaticPublicKeyLength();}
/// \brief Provides the size of the ephemeral public key
/// \return size of ephemeral public keys in this domain
/// \details An ephemeral public key is a public key.
/// The serialized size is the same as a static public key.
unsigned int EphemeralPublicKeyLength() const{return StaticPublicKeyLength();}
/// \brief Generate ephemeral private key in this domain
/// \param rng a RandomNumberGenerator derived class
/// \param privateKey a byte buffer for the generated private key in this domain
/// \pre <tt>COUNTOF(privateKey) == EphemeralPrivateKeyLength()</tt>
void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
{
const DL_GroupParameters<Element> &params = GetAbstractGroupParameters();
Integer x(rng, Integer::One(), params.GetMaxExponent());
x.Encode(privateKey, StaticPrivateKeyLength());
Element y = params.ExponentiateBase(x);
params.EncodeElement(true, y, privateKey+StaticPrivateKeyLength());
}
/// \brief Generate ephemeral public key from a private key in this domain
/// \param rng a RandomNumberGenerator derived class
/// \param privateKey a byte buffer with the previously generated private key
/// \param publicKey a byte buffer for the generated public key in this domain
/// \pre <tt>COUNTOF(publicKey) == EphemeralPublicKeyLength()</tt>
void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
{
CRYPTOPP_UNUSED(rng);
std::memcpy(publicKey, privateKey+StaticPrivateKeyLength(), EphemeralPublicKeyLength());
}
/// \brief Derive agreed value or shared secret
/// \param agreedValue the shared secret
/// \param staticPrivateKey your long term private key
/// \param ephemeralPrivateKey your ephemeral private key
/// \param staticOtherPublicKey couterparty's long term public key
/// \param ephemeralOtherPublicKey couterparty's ephemeral public key
/// \param validateStaticOtherPublicKey flag indicating validation
/// \return true upon success, false in case of failure
/// \details Agree() performs the authenticated key agreement. Agree()
/// derives a shared secret from your private keys and couterparty's
/// public keys. Each instance or run of the protocol should use a new
/// ephemeral key pair.
/// \details The other's ephemeral public key will always be validated at
/// Level 1 to ensure it is a point on the curve.
/// <tt>validateStaticOtherPublicKey</tt> determines how thoroughly other's
/// static public key is validated. If you have previously validated the
/// couterparty's static public key, then use
/// <tt>validateStaticOtherPublicKey=false</tt> to save time.
/// \pre <tt>COUNTOF(agreedValue) == AgreedValueLength()</tt>
/// \pre <tt>COUNTOF(staticPrivateKey) == StaticPrivateKeyLength()</tt>
/// \pre <tt>COUNTOF(ephemeralPrivateKey) == EphemeralPrivateKeyLength()</tt>
/// \pre <tt>COUNTOF(staticOtherPublicKey) == StaticPublicKeyLength()</tt>
/// \pre <tt>COUNTOF(ephemeralOtherPublicKey) == EphemeralPublicKeyLength()</tt>
bool Agree(byte *agreedValue,
const byte *staticPrivateKey, const byte *ephemeralPrivateKey,
const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey,
bool validateStaticOtherPublicKey=true) const
{
const byte *XX = NULLPTR, *YY = NULLPTR, *AA = NULLPTR, *BB = NULLPTR;
size_t xxs = 0, yys = 0, aas = 0, bbs = 0;
// Depending on the role, this will hold either A's or B's static
// (long term) public key. AA or BB will then point into tt.
SecByteBlock tt(StaticPublicKeyLength());
try
{
this->GetMaterial().DoQuickSanityCheck();
const DL_GroupParameters<Element> &params = GetAbstractGroupParameters();
if(m_role == RoleServer)
{
Integer b(staticPrivateKey, StaticPrivateKeyLength());
Element B = params.ExponentiateBase(b);
params.EncodeElement(true, B, tt);
XX = ephemeralOtherPublicKey;
xxs = EphemeralPublicKeyLength();
YY = ephemeralPrivateKey + StaticPrivateKeyLength();
yys = EphemeralPublicKeyLength();
AA = staticOtherPublicKey;
aas = StaticPublicKeyLength();
BB = tt.BytePtr();
bbs = tt.SizeInBytes();
}
else
{
Integer a(staticPrivateKey, StaticPrivateKeyLength());
Element A = params.ExponentiateBase(a);
params.EncodeElement(true, A, tt);
XX = ephemeralPrivateKey + StaticPrivateKeyLength();
xxs = EphemeralPublicKeyLength();
YY = ephemeralOtherPublicKey;
yys = EphemeralPublicKeyLength();
AA = tt.BytePtr();
aas = tt.SizeInBytes();
BB = staticOtherPublicKey;
bbs = StaticPublicKeyLength();
}
Element VV1 = params.DecodeElement(staticOtherPublicKey, validateStaticOtherPublicKey);
Element VV2 = params.DecodeElement(ephemeralOtherPublicKey, true);
const Integer& q = params.GetSubgroupOrder();
const unsigned int len /*bytes*/ = (((q.BitCount()+1)/2 +7)/8);
SecByteBlock dd(len), ee(len);
Hash(NULLPTR, XX, xxs, YY, yys, AA, aas, BB, bbs, dd.BytePtr(), dd.SizeInBytes());
Integer d(dd.BytePtr(), dd.SizeInBytes());
Hash(NULLPTR, YY, yys, XX, xxs, AA, aas, BB, bbs, ee.BytePtr(), ee.SizeInBytes());
Integer e(ee.BytePtr(), ee.SizeInBytes());
Element sigma;
if(m_role == RoleServer)
{
Integer y(ephemeralPrivateKey, StaticPrivateKeyLength());
Integer b(staticPrivateKey, StaticPrivateKeyLength());
Integer s_B = (y + e * b) % q;
Element A = params.DecodeElement(AA, false);
Element X = params.DecodeElement(XX, false);
Element t1 = params.ExponentiateElement(A, d);
Element t2 = m_groupParameters.MultiplyElements(X, t1);
sigma = params.ExponentiateElement(t2, s_B);
}
else
{
Integer x(ephemeralPrivateKey, StaticPrivateKeyLength());
Integer a(staticPrivateKey, StaticPrivateKeyLength());
Integer s_A = (x + d * a) % q;
Element B = params.DecodeElement(BB, false);
Element Y = params.DecodeElement(YY, false);
Element t1 = params.ExponentiateElement(B, e);
Element t2 = m_groupParameters.MultiplyElements(Y, t1);
sigma = params.ExponentiateElement(t2, s_A);
}
Hash(&sigma, XX, xxs, YY, yys, AA, aas, BB, bbs, agreedValue, AgreedValueLength());
}
catch (DL_BadElement &)
{
CRYPTOPP_ASSERT(0);
return false;
}
return true;
}
protected:
inline void Hash(const Element* sigma,
const byte* e1, size_t e1len, const byte* e2, size_t e2len,
const byte* s1, size_t s1len, const byte* s2, size_t s2len,
byte* digest, size_t dlen) const
{
HASH hash;
size_t idx = 0, req = dlen;
size_t blk = STDMIN(dlen, (size_t)HASH::DIGESTSIZE);
if(sigma)
{
//Integer x = GetAbstractGroupParameters().ConvertElementToInteger(*sigma);
//SecByteBlock sbb(x.MinEncodedSize());
//x.Encode(sbb.BytePtr(), sbb.SizeInBytes());
SecByteBlock sbb(GetAbstractGroupParameters().GetEncodedElementSize(false));
GetAbstractGroupParameters().EncodeElement(false, *sigma, sbb);
hash.Update(sbb.BytePtr(), sbb.SizeInBytes());
}
hash.Update(e1, e1len);
hash.Update(e2, e2len);
hash.Update(s1, s1len);
hash.Update(s2, s2len);
hash.TruncatedFinal(digest, blk);
req -= blk;
// All this to catch tail bytes for large curves and small hashes
while(req != 0)
{
hash.Update(&digest[idx], (size_t)HASH::DIGESTSIZE);
idx += (size_t)HASH::DIGESTSIZE;
blk = STDMIN(req, (size_t)HASH::DIGESTSIZE);
hash.TruncatedFinal(&digest[idx], blk);
req -= blk;
}
}
private:
// The paper uses Initiator and Recipient - make it classical.
enum KeyAgreementRole { RoleServer = 1, RoleClient };
DL_GroupParameters<Element> & AccessAbstractGroupParameters() {return m_groupParameters;}
const DL_GroupParameters<Element> & GetAbstractGroupParameters() const{return m_groupParameters;}
GroupParameters m_groupParameters;
KeyAgreementRole m_role;
};
/// \brief Fully Hashed Menezes-Qu-Vanstone in GF(p)
/// \details This implementation follows Augustin P. Sarr and Philippe Elbaz–Vincent, and Jean–Claude Bajard's
/// <a href="http://eprint.iacr.org/2009/408">A Secure and Efficient Authenticated Diffie-Hellman Protocol</a>.
/// Note: this is FHMQV, Protocol 5, from page 11; and not FHMQV-C.
/// \sa FHMQV, MQV_Domain, FHMQV_Domain, AuthenticatedKeyAgreementDomain
/// \since Crypto++ 5.6.4
typedef FHMQV_Domain<DL_GroupParameters_GFP_DefaultSafePrime> FHMQV;
NAMESPACE_END
#endif

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// files.h - originally written and placed in the public domain by Wei Dai
/// \file files.h
/// \brief Classes providing file-based library services
/// \since Crypto++ 1.0
#ifndef CRYPTOPP_FILES_H
#define CRYPTOPP_FILES_H
#include "cryptlib.h"
#include "filters.h"
#include "argnames.h"
#include "smartptr.h"
#include <iostream>
#include <fstream>
NAMESPACE_BEGIN(CryptoPP)
/// \brief Implementation of Store interface
/// \details file-based implementation of Store interface
class CRYPTOPP_DLL FileStore : public Store, private FilterPutSpaceHelper, public NotCopyable
{
public:
/// \brief Exception thrown when file-based error is encountered
class Err : public Exception
{
public:
Err(const std::string &s) : Exception(IO_ERROR, s) {}
};
/// \brief Exception thrown when file-based open error is encountered
class OpenErr : public Err {public: OpenErr(const std::string &filename) : Err("FileStore: error opening file for reading: " + filename) {}};
/// \brief Exception thrown when file-based read error is encountered
class ReadErr : public Err {public: ReadErr() : Err("FileStore: error reading file") {}};
/// \brief Construct a FileStore
FileStore() : m_stream(NULLPTR), m_space(NULLPTR), m_len(0), m_waiting(0) {}
/// \brief Construct a FileStore
/// \param in an existing stream
FileStore(std::istream &in) : m_stream(NULLPTR), m_space(NULLPTR), m_len(0), m_waiting(0)
{StoreInitialize(MakeParameters(Name::InputStreamPointer(), &in));}
/// \brief Construct a FileStore
/// \param filename the narrow name of the file to open
FileStore(const char *filename) : m_stream(NULLPTR), m_space(NULLPTR), m_len(0), m_waiting(0)
{StoreInitialize(MakeParameters(Name::InputFileName(), filename ? filename : ""));}
#if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING) || (CRYPTOPP_MSC_VERSION >= 1400)
/// \brief Construct a FileStore
/// \param filename the Unicode name of the file to open
/// \details On non-Windows OS, this function assumes that setlocale() has been called.
FileStore(const wchar_t *filename)
{StoreInitialize(MakeParameters(Name::InputFileNameWide(), filename));}
#endif
/// \brief Retrieves the internal stream
/// \return the internal stream pointer
std::istream* GetStream() {return m_stream;}
/// \brief Retrieves the internal stream
/// \return the internal stream pointer
const std::istream* GetStream() const {return m_stream;}
/// \brief Provides the number of bytes ready for retrieval
/// \return the number of bytes ready for retrieval
/// \details All retrieval functions return the actual number of bytes retrieved, which is
/// the lesser of the request number and MaxRetrievable()
lword MaxRetrievable() const;
size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true);
size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const;
lword Skip(lword skipMax=ULONG_MAX);
private:
void StoreInitialize(const NameValuePairs &parameters);
member_ptr<std::ifstream> m_file;
std::istream *m_stream;
byte *m_space;
size_t m_len;
bool m_waiting;
};
/// \brief Implementation of Store interface
/// \details file-based implementation of Store interface
class CRYPTOPP_DLL FileSource : public SourceTemplate<FileStore>
{
public:
typedef FileStore::Err Err;
typedef FileStore::OpenErr OpenErr;
typedef FileStore::ReadErr ReadErr;
/// \brief Construct a FileSource
FileSource(BufferedTransformation *attachment = NULLPTR)
: SourceTemplate<FileStore>(attachment) {}
/// \brief Construct a FileSource
/// \param in an existing stream
/// \param pumpAll flag indicating if source data should be pumped to its attached transformation
/// \param attachment an optional attached transformation
FileSource(std::istream &in, bool pumpAll, BufferedTransformation *attachment = NULLPTR)
: SourceTemplate<FileStore>(attachment) {SourceInitialize(pumpAll, MakeParameters(Name::InputStreamPointer(), &in));}
/// \brief Construct a FileSource
/// \param filename the narrow name of the file to open
/// \param pumpAll flag indicating if source data should be pumped to its attached transformation
/// \param attachment an optional attached transformation
/// \param binary flag indicating if the file is binary
FileSource(const char *filename, bool pumpAll, BufferedTransformation *attachment = NULLPTR, bool binary=true)
: SourceTemplate<FileStore>(attachment) {SourceInitialize(pumpAll, MakeParameters(Name::InputFileName(), filename)(Name::InputBinaryMode(), binary));}
#if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING) || (CRYPTOPP_MSC_VERSION >= 1400)
/// \brief Construct a FileSource
/// \param filename the Unicode name of the file to open
/// \param pumpAll flag indicating if source data should be pumped to its attached transformation
/// \param attachment an optional attached transformation
/// \param binary flag indicating if the file is binary
/// \details On non-Windows OS, this function assumes that setlocale() has been called.
FileSource(const wchar_t *filename, bool pumpAll, BufferedTransformation *attachment = NULLPTR, bool binary=true)
: SourceTemplate<FileStore>(attachment) {SourceInitialize(pumpAll, MakeParameters(Name::InputFileNameWide(), filename)(Name::InputBinaryMode(), binary));}
#endif
/// \brief Retrieves the internal stream
/// \return the internal stream pointer
std::istream* GetStream() {return m_store.GetStream();}
};
/// \brief Implementation of Store interface
/// \details file-based implementation of Sink interface
class CRYPTOPP_DLL FileSink : public Sink, public NotCopyable
{
public:
/// \brief Exception thrown when file-based error is encountered
class Err : public Exception
{
public:
Err(const std::string &s) : Exception(IO_ERROR, s) {}
};
/// \brief Exception thrown when file-based open error is encountered
class OpenErr : public Err {public: OpenErr(const std::string &filename) : Err("FileSink: error opening file for writing: " + filename) {}};
/// \brief Exception thrown when file-based write error is encountered
class WriteErr : public Err {public: WriteErr() : Err("FileSink: error writing file") {}};
/// \brief Construct a FileSink
FileSink() : m_stream(NULLPTR) {}
/// \brief Construct a FileSink
/// \param out an existing stream
FileSink(std::ostream &out)
{IsolatedInitialize(MakeParameters(Name::OutputStreamPointer(), &out));}
/// \brief Construct a FileSink
/// \param filename the narrow name of the file to open
/// \param binary flag indicating if the file is binary
FileSink(const char *filename, bool binary=true)
{IsolatedInitialize(MakeParameters(Name::OutputFileName(), filename)(Name::OutputBinaryMode(), binary));}
#if defined(CRYPTOPP_UNIX_AVAILABLE) || (CRYPTOPP_MSC_VERSION >= 1400)
/// \brief Construct a FileSink
/// \param filename the Unicode name of the file to open
/// \details On non-Windows OS, this function assumes that setlocale() has been called.
FileSink(const wchar_t *filename, bool binary=true)
{IsolatedInitialize(MakeParameters(Name::OutputFileNameWide(), filename)(Name::OutputBinaryMode(), binary));}
#endif
/// \brief Retrieves the internal stream
/// \return the internal stream pointer
std::ostream* GetStream() {return m_stream;}
void IsolatedInitialize(const NameValuePairs &parameters);
size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking);
bool IsolatedFlush(bool hardFlush, bool blocking);
private:
member_ptr<std::ofstream> m_file;
std::ostream *m_stream;
};
NAMESPACE_END
#endif

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// fips140.h - originally written and placed in the public domain by Wei Dai
/// \file fips140.h
/// \brief Classes and functions for the FIPS 140-2 validated library
/// \details The FIPS validated library is only available on Windows as a DLL. Once compiled,
/// the library is always in FIPS mode contingent upon successful execution of
/// DoPowerUpSelfTest() or DoDllPowerUpSelfTest().
/// \sa <A HREF="http://cryptopp.com/wiki/Visual_Studio">Visual Studio</A> and
/// <A HREF="http://cryptopp.com/wiki/config.h">config.h</A> on the Crypto++ wiki.
#ifndef CRYPTOPP_FIPS140_H
#define CRYPTOPP_FIPS140_H
#include "cryptlib.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// Exception thrown when a crypto algorithm is used after a self test fails
/// \details The self tests for an algorithm are performed by Algorithm class
/// when CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 is defined.
class CRYPTOPP_DLL SelfTestFailure : public Exception
{
public:
explicit SelfTestFailure(const std::string &s) : Exception(OTHER_ERROR, s) {}
};
/// \brief Determines whether the library provides FIPS validated cryptography
/// \return true if FIPS 140-2 validated features were enabled at compile time.
/// \details true if FIPS 140-2 validated features were enabled at compile time,
/// false otherwise.
/// \note FIPS mode is enabled at compile time. A program or other module cannot
/// arbitrarily enter or exit the mode.
CRYPTOPP_DLL bool CRYPTOPP_API FIPS_140_2_ComplianceEnabled();
/// \brief Status of the power-up self test
enum PowerUpSelfTestStatus {
/// \brief The self tests have not been performed.
POWER_UP_SELF_TEST_NOT_DONE,
/// \brief The self tests were executed via DoPowerUpSelfTest() or
/// DoDllPowerUpSelfTest(), but the result was failure.
POWER_UP_SELF_TEST_FAILED,
/// \brief The self tests were executed via DoPowerUpSelfTest() or
/// DoDllPowerUpSelfTest(), and the result was success.
POWER_UP_SELF_TEST_PASSED
};
/// \brief Performs the power-up self test
/// \param moduleFilename the fully qualified name of the module
/// \param expectedModuleMac the expected MAC of the components protected by the integrity check
/// \details Performs the power-up self test, and sets the self test status to
/// POWER_UP_SELF_TEST_PASSED or POWER_UP_SELF_TEST_FAILED.
/// \details The self tests for an algorithm are performed by the Algorithm class
/// when CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 is defined.
CRYPTOPP_DLL void CRYPTOPP_API DoPowerUpSelfTest(const char *moduleFilename, const byte *expectedModuleMac);
/// \brief Performs the power-up self test on the DLL
/// \details Performs the power-up self test using the filename of this DLL and the
/// embedded module MAC, and sets the self test status to POWER_UP_SELF_TEST_PASSED or
/// POWER_UP_SELF_TEST_FAILED.
/// \details The self tests for an algorithm are performed by the Algorithm class
/// when CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 is defined.
CRYPTOPP_DLL void CRYPTOPP_API DoDllPowerUpSelfTest();
/// \brief Sets the power-up self test status to POWER_UP_SELF_TEST_FAILED
/// \details Sets the power-up self test status to POWER_UP_SELF_TEST_FAILED to simulate failure.
CRYPTOPP_DLL void CRYPTOPP_API SimulatePowerUpSelfTestFailure();
/// \brief Provides the current power-up self test status
/// \return the current power-up self test status
CRYPTOPP_DLL PowerUpSelfTestStatus CRYPTOPP_API GetPowerUpSelfTestStatus();
#ifndef CRYPTOPP_DOXYGEN_PROCESSING
typedef PowerUpSelfTestStatus (CRYPTOPP_API * PGetPowerUpSelfTestStatus)();
#endif
/// \brief Class object that calculates the MAC on the module
/// \return the MAC for the module
CRYPTOPP_DLL MessageAuthenticationCode * CRYPTOPP_API NewIntegrityCheckingMAC();
/// \brief Verifies the MAC on the module
/// \param moduleFilename the fully qualified name of the module
/// \param expectedModuleMac the expected MAC of the components protected by the integrity check
/// \param pActualMac the actual MAC of the components calculated by the integrity check
/// \param pMacFileLocation the offset of the MAC in the PE/PE+ module
/// \return true if the MAC is valid, false otherwise
CRYPTOPP_DLL bool CRYPTOPP_API IntegrityCheckModule(const char *moduleFilename, const byte *expectedModuleMac, SecByteBlock *pActualMac = NULLPTR, unsigned long *pMacFileLocation = NULLPTR);
#ifndef CRYPTOPP_DOXYGEN_PROCESSING
// this is used by Algorithm constructor to allow Algorithm objects to be constructed for the self test
bool PowerUpSelfTestInProgressOnThisThread();
void SetPowerUpSelfTestInProgressOnThisThread(bool inProgress);
void SignaturePairwiseConsistencyTest(const PK_Signer &signer, const PK_Verifier &verifier);
void EncryptionPairwiseConsistencyTest(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor);
void SignaturePairwiseConsistencyTest_FIPS_140_Only(const PK_Signer &signer, const PK_Verifier &verifier);
void EncryptionPairwiseConsistencyTest_FIPS_140_Only(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor);
#endif
/// \brief The placeholder used prior to embedding the actual MAC in the module.
/// \details After the DLL is built but before it is MAC'd, the string CRYPTOPP_DUMMY_DLL_MAC
/// is used as a placeholder for the actual MAC. A post-build step is performed which calculates
/// the MAC of the DLL and embeds it in the module. The actual MAC is written by the
/// <tt>cryptest.exe</tt> program using the <tt>mac_dll</tt> subcommand.
#define CRYPTOPP_DUMMY_DLL_MAC "MAC_51f34b8db820ae8"
NAMESPACE_END
#endif

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#ifndef CRYPTOPP_FLTRIMPL_H
#define CRYPTOPP_FLTRIMPL_H
#define FILTER_BEGIN \
switch (m_continueAt) \
{ \
case 0: \
m_inputPosition = 0;
#define FILTER_END_NO_MESSAGE_END_NO_RETURN \
break; \
default: \
CRYPTOPP_ASSERT(false); \
}
#define FILTER_END_NO_MESSAGE_END \
FILTER_END_NO_MESSAGE_END_NO_RETURN \
return 0;
/*
#define FILTER_END \
case -1: \
if (messageEnd && Output(-1, NULLPTR, 0, messageEnd, blocking)) \
return 1; \
FILTER_END_NO_MESSAGE_END
*/
#define FILTER_OUTPUT3(site, statement, output, length, messageEnd, channel) \
{\
case site: \
(void) statement; \
if (Output(site, output, length, messageEnd, blocking, channel)) \
return STDMAX(size_t(1), length-m_inputPosition);\
}
#define FILTER_OUTPUT2(site, statement, output, length, messageEnd) \
FILTER_OUTPUT3(site, statement, output, length, messageEnd, DEFAULT_CHANNEL)
#define FILTER_OUTPUT(site, output, length, messageEnd) \
FILTER_OUTPUT2(site, 0, output, length, messageEnd)
#define FILTER_OUTPUT_BYTE(site, output) \
FILTER_OUTPUT(site, &(const byte &)(byte)output, 1, 0)
#define FILTER_OUTPUT2_MODIFIABLE(site, statement, output, length, messageEnd) \
{\
/* fall through */ \
case site: \
(void) statement; \
if (OutputModifiable(site, output, length, messageEnd, blocking)) \
return STDMAX(size_t(1), length-m_inputPosition);\
}
#define FILTER_OUTPUT_MODIFIABLE(site, output, length, messageEnd) \
FILTER_OUTPUT2_MODIFIABLE(site, 0, output, length, messageEnd)
#define FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, statement, output, length, messageEnd, modifiable) \
{\
/* fall through */ \
case site: \
(void) statement; \
if (modifiable ? OutputModifiable(site, output, length, messageEnd, blocking) : Output(site, output, length, messageEnd, blocking)) \
return STDMAX(size_t(1), length-m_inputPosition);\
}
#define FILTER_OUTPUT_MAYBE_MODIFIABLE(site, output, length, messageEnd, modifiable) \
FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, 0, output, length, messageEnd, modifiable)
#endif

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// gcm.h - originally written and placed in the public domain by Wei Dai
/// \file gcm.h
/// \brief GCM block cipher mode of operation
/// \since Crypto++ 5.6.0
#ifndef CRYPTOPP_GCM_H
#define CRYPTOPP_GCM_H
#include "authenc.h"
#include "modes.h"
// Clang 3.3 integrated assembler crash on Linux. Clang 3.4 due to compiler
// error with .intel_syntax, http://llvm.org/bugs/show_bug.cgi?id=24232
#if CRYPTOPP_BOOL_X32 || defined(CRYPTOPP_DISABLE_MIXED_ASM)
# define CRYPTOPP_DISABLE_GCM_ASM 1
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \enum GCM_TablesOption
/// \brief GCM table size options
enum GCM_TablesOption {
/// \brief Use a table with 2K entries
GCM_2K_Tables,
/// \brief Use a table with 64K entries
GCM_64K_Tables};
/// \brief GCM block cipher base implementation
/// \details Base implementation of the AuthenticatedSymmetricCipher interface
/// \since Crypto++ 5.6.0
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE GCM_Base : public AuthenticatedSymmetricCipherBase
{
public:
// AuthenticatedSymmetricCipher
std::string AlgorithmName() const
{return GetBlockCipher().AlgorithmName() + std::string("/GCM");}
std::string AlgorithmProvider() const
{return GetBlockCipher().AlgorithmProvider();}
size_t MinKeyLength() const
{return GetBlockCipher().MinKeyLength();}
size_t MaxKeyLength() const
{return GetBlockCipher().MaxKeyLength();}
size_t DefaultKeyLength() const
{return GetBlockCipher().DefaultKeyLength();}
size_t GetValidKeyLength(size_t n) const
{return GetBlockCipher().GetValidKeyLength(n);}
bool IsValidKeyLength(size_t n) const
{return GetBlockCipher().IsValidKeyLength(n);}
unsigned int OptimalDataAlignment() const;
IV_Requirement IVRequirement() const
{return UNIQUE_IV;}
unsigned int IVSize() const
{return 12;}
unsigned int MinIVLength() const
{return 1;}
unsigned int MaxIVLength() const
{return UINT_MAX;} // (W64LIT(1)<<61)-1 in the standard
unsigned int DigestSize() const
{return 16;}
lword MaxHeaderLength() const
{return (W64LIT(1)<<61)-1;}
lword MaxMessageLength() const
{return ((W64LIT(1)<<39)-256)/8;}
protected:
// AuthenticatedSymmetricCipherBase
bool AuthenticationIsOnPlaintext() const
{return false;}
unsigned int AuthenticationBlockSize() const
{return HASH_BLOCKSIZE;}
void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs &params);
void Resync(const byte *iv, size_t len);
size_t AuthenticateBlocks(const byte *data, size_t len);
void AuthenticateLastHeaderBlock();
void AuthenticateLastConfidentialBlock();
void AuthenticateLastFooterBlock(byte *mac, size_t macSize);
SymmetricCipher & AccessSymmetricCipher() {return m_ctr;}
virtual BlockCipher & AccessBlockCipher() =0;
virtual GCM_TablesOption GetTablesOption() const =0;
const BlockCipher & GetBlockCipher() const {return const_cast<GCM_Base *>(this)->AccessBlockCipher();}
byte *HashBuffer() {return m_buffer+REQUIRED_BLOCKSIZE;}
byte *HashKey() {return m_buffer+2*REQUIRED_BLOCKSIZE;}
byte *MulTable() {return m_buffer+3*REQUIRED_BLOCKSIZE;}
inline void ReverseHashBufferIfNeeded();
class CRYPTOPP_DLL GCTR : public CTR_Mode_ExternalCipher::Encryption
{
protected:
void IncrementCounterBy256();
};
GCTR m_ctr;
static word16 s_reductionTable[256];
static volatile bool s_reductionTableInitialized;
enum {REQUIRED_BLOCKSIZE = 16, HASH_BLOCKSIZE = 16};
};
/// \brief GCM block cipher final implementation
/// \tparam T_BlockCipher block cipher
/// \tparam T_TablesOption table size, either \p GCM_2K_Tables or \p GCM_64K_Tables
/// \tparam T_IsEncryption direction in which to operate the cipher
/// \since Crypto++ 5.6.0
template <class T_BlockCipher, GCM_TablesOption T_TablesOption, bool T_IsEncryption>
class GCM_Final : public GCM_Base
{
public:
static std::string StaticAlgorithmName()
{return T_BlockCipher::StaticAlgorithmName() + std::string("/GCM");}
bool IsForwardTransformation() const
{return T_IsEncryption;}
private:
GCM_TablesOption GetTablesOption() const {return T_TablesOption;}
BlockCipher & AccessBlockCipher() {return m_cipher;}
typename T_BlockCipher::Encryption m_cipher;
};
/// \brief GCM block cipher mode of operation
/// \tparam T_BlockCipher block cipher
/// \tparam T_TablesOption table size, either \p GCM_2K_Tables or \p GCM_64K_Tables
/// \details \p GCM provides the \p Encryption and \p Decryption typedef. See GCM_Base
/// and GCM_Final for the AuthenticatedSymmetricCipher implementation.
/// \sa <a href="http://www.cryptopp.com/wiki/GCM_Mode">GCM Mode</a> and
/// <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
/// \since Crypto++ 5.6.0
template <class T_BlockCipher, GCM_TablesOption T_TablesOption=GCM_2K_Tables>
struct GCM : public AuthenticatedSymmetricCipherDocumentation
{
typedef GCM_Final<T_BlockCipher, T_TablesOption, true> Encryption;
typedef GCM_Final<T_BlockCipher, T_TablesOption, false> Decryption;
};
NAMESPACE_END
#endif

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// gf256.h - originally written and placed in the public domain by Wei Dai
/// \file gf256.h
/// \brief Classes and functions for schemes over GF(256)
#ifndef CRYPTOPP_GF256_H
#define CRYPTOPP_GF256_H
#include "cryptlib.h"
#include "misc.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief GF(256) with polynomial basis
class GF256
{
public:
typedef byte Element;
typedef int RandomizationParameter;
GF256(byte modulus) : m_modulus(modulus) {}
Element RandomElement(RandomNumberGenerator &rng, int ignored = 0) const
{CRYPTOPP_UNUSED(ignored); return rng.GenerateByte();}
bool Equal(Element a, Element b) const
{return a==b;}
Element Zero() const
{return 0;}
Element Add(Element a, Element b) const
{return a^b;}
Element& Accumulate(Element &a, Element b) const
{return a^=b;}
Element Inverse(Element a) const
{return a;}
Element Subtract(Element a, Element b) const
{return a^b;}
Element& Reduce(Element &a, Element b) const
{return a^=b;}
Element Double(Element a) const
{CRYPTOPP_UNUSED(a); return 0;}
Element One() const
{return 1;}
Element Multiply(Element a, Element b) const;
Element Square(Element a) const
{return Multiply(a, a);}
bool IsUnit(Element a) const
{return a != 0;}
Element MultiplicativeInverse(Element a) const;
Element Divide(Element a, Element b) const
{return Multiply(a, MultiplicativeInverse(b));}
private:
word m_modulus;
};
NAMESPACE_END
#endif

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// gf2_32.h - originally written and placed in the public domain by Wei Dai
/// \file gf2_32.h
/// \brief Classes and functions for schemes over GF(2^32)
#ifndef CRYPTOPP_GF2_32_H
#define CRYPTOPP_GF2_32_H
#include "cryptlib.h"
#include "secblock.h"
#include "misc.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief GF(2^32) with polynomial basis
class GF2_32
{
public:
typedef word32 Element;
typedef int RandomizationParameter;
GF2_32(word32 modulus=0x0000008D) : m_modulus(modulus) {}
Element RandomElement(RandomNumberGenerator &rng, int ignored = 0) const
{CRYPTOPP_UNUSED(ignored); return rng.GenerateWord32();}
bool Equal(Element a, Element b) const
{return a==b;}
Element Identity() const
{return 0;}
Element Add(Element a, Element b) const
{return a^b;}
Element& Accumulate(Element &a, Element b) const
{return a^=b;}
Element Inverse(Element a) const
{return a;}
Element Subtract(Element a, Element b) const
{return a^b;}
Element& Reduce(Element &a, Element b) const
{return a^=b;}
Element Double(Element a) const
{CRYPTOPP_UNUSED(a); return 0;}
Element MultiplicativeIdentity() const
{return 1;}
Element Multiply(Element a, Element b) const;
Element Square(Element a) const
{return Multiply(a, a);}
bool IsUnit(Element a) const
{return a != 0;}
Element MultiplicativeInverse(Element a) const;
Element Divide(Element a, Element b) const
{return Multiply(a, MultiplicativeInverse(b));}
private:
word32 m_modulus;
};
NAMESPACE_END
#endif

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// gf2n.h - originally written and placed in the public domain by Wei Dai
/// \file gf2n.h
/// \brief Classes and functions for schemes over GF(2^n)
#ifndef CRYPTOPP_GF2N_H
#define CRYPTOPP_GF2N_H
#include "cryptlib.h"
#include "secblock.h"
#include "algebra.h"
#include "misc.h"
#include "asn.h"
#include <iosfwd>
#if CRYPTOPP_MSC_VERSION
# pragma warning(push)
# pragma warning(disable: 4231 4275)
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief Polynomial with Coefficients in GF(2)
/*! \nosubgrouping */
class CRYPTOPP_DLL PolynomialMod2
{
public:
/// \name ENUMS, EXCEPTIONS, and TYPEDEFS
//@{
/// \brief Exception thrown when divide by zero is encountered
class DivideByZero : public Exception
{
public:
DivideByZero() : Exception(OTHER_ERROR, "PolynomialMod2: division by zero") {}
};
typedef unsigned int RandomizationParameter;
//@}
/// \name CREATORS
//@{
/// \brief Construct the zero polynomial
PolynomialMod2();
/// Copy construct a PolynomialMod2
PolynomialMod2(const PolynomialMod2& t);
/// \brief Construct a PolynomialMod2 from a word
/// \details value should be encoded with the least significant bit as coefficient to x^0
/// and most significant bit as coefficient to x^(WORD_BITS-1)
/// bitLength denotes how much memory to allocate initially
PolynomialMod2(word value, size_t bitLength=WORD_BITS);
/// \brief Construct a PolynomialMod2 from big-endian byte array
PolynomialMod2(const byte *encodedPoly, size_t byteCount)
{Decode(encodedPoly, byteCount);}
/// \brief Construct a PolynomialMod2 from big-endian form stored in a BufferedTransformation
PolynomialMod2(BufferedTransformation &encodedPoly, size_t byteCount)
{Decode(encodedPoly, byteCount);}
/// \brief Create a uniformly distributed random polynomial
/// \details Create a random polynomial uniformly distributed over all polynomials with degree less than bitcount
PolynomialMod2(RandomNumberGenerator &rng, size_t bitcount)
{Randomize(rng, bitcount);}
/// \brief Provides x^i
/// \return x^i
static PolynomialMod2 CRYPTOPP_API Monomial(size_t i);
/// \brief Provides x^t0 + x^t1 + x^t2
/// \return x^t0 + x^t1 + x^t2
/// \pre The coefficients should be provided in descending order. That is, <pre>t0 > t1 > t2<pre>.
static PolynomialMod2 CRYPTOPP_API Trinomial(size_t t0, size_t t1, size_t t2);
/// \brief Provides x^t0 + x^t1 + x^t2 + x^t3 + x^t4
/// \return x^t0 + x^t1 + x^t2 + x^t3 + x^t4
/// \pre The coefficients should be provided in descending order. That is, <pre>t0 > t1 > t2 > t3 > t4<pre>.
static PolynomialMod2 CRYPTOPP_API Pentanomial(size_t t0, size_t t1, size_t t2, size_t t3, size_t t4);
/// \brief Provides x^(n-1) + ... + x + 1
/// \return x^(n-1) + ... + x + 1
static PolynomialMod2 CRYPTOPP_API AllOnes(size_t n);
/// \brief The Zero polinomial
/// \return the zero polynomial
static const PolynomialMod2 & CRYPTOPP_API Zero();
/// \brief The One polinomial
/// \return the one polynomial
static const PolynomialMod2 & CRYPTOPP_API One();
//@}
/// \name ENCODE/DECODE
//@{
/// minimum number of bytes to encode this polynomial
/*! MinEncodedSize of 0 is 1 */
unsigned int MinEncodedSize() const {return STDMAX(1U, ByteCount());}
/// encode in big-endian format
/// \details if outputLen < MinEncodedSize, the most significant bytes will be dropped
/// if outputLen > MinEncodedSize, the most significant bytes will be padded
void Encode(byte *output, size_t outputLen) const;
///
void Encode(BufferedTransformation &bt, size_t outputLen) const;
///
void Decode(const byte *input, size_t inputLen);
///
//* Precondition: bt.MaxRetrievable() >= inputLen
void Decode(BufferedTransformation &bt, size_t inputLen);
/// encode value as big-endian octet string
void DEREncodeAsOctetString(BufferedTransformation &bt, size_t length) const;
/// decode value as big-endian octet string
void BERDecodeAsOctetString(BufferedTransformation &bt, size_t length);
//@}
/// \name ACCESSORS
//@{
/// number of significant bits = Degree() + 1
unsigned int BitCount() const;
/// number of significant bytes = ceiling(BitCount()/8)
unsigned int ByteCount() const;
/// number of significant words = ceiling(ByteCount()/sizeof(word))
unsigned int WordCount() const;
/// return the n-th bit, n=0 being the least significant bit
bool GetBit(size_t n) const {return GetCoefficient(n)!=0;}
/// return the n-th byte
byte GetByte(size_t n) const;
/// the zero polynomial will return a degree of -1
signed int Degree() const {return (signed int)(BitCount()-1U);}
/// degree + 1
unsigned int CoefficientCount() const {return BitCount();}
/// return coefficient for x^i
int GetCoefficient(size_t i) const
{return (i/WORD_BITS < reg.size()) ? int(reg[i/WORD_BITS] >> (i % WORD_BITS)) & 1 : 0;}
/// return coefficient for x^i
int operator[](unsigned int i) const {return GetCoefficient(i);}
///
bool IsZero() const {return !*this;}
///
bool Equals(const PolynomialMod2 &rhs) const;
//@}
/// \name MANIPULATORS
//@{
///
PolynomialMod2& operator=(const PolynomialMod2& t);
///
PolynomialMod2& operator&=(const PolynomialMod2& t);
///
PolynomialMod2& operator^=(const PolynomialMod2& t);
///
PolynomialMod2& operator+=(const PolynomialMod2& t) {return *this ^= t;}
///
PolynomialMod2& operator-=(const PolynomialMod2& t) {return *this ^= t;}
///
PolynomialMod2& operator*=(const PolynomialMod2& t);
///
PolynomialMod2& operator/=(const PolynomialMod2& t);
///
PolynomialMod2& operator%=(const PolynomialMod2& t);
///
PolynomialMod2& operator<<=(unsigned int);
///
PolynomialMod2& operator>>=(unsigned int);
///
void Randomize(RandomNumberGenerator &rng, size_t bitcount);
///
void SetBit(size_t i, int value = 1);
/// set the n-th byte to value
void SetByte(size_t n, byte value);
///
void SetCoefficient(size_t i, int value) {SetBit(i, value);}
///
void swap(PolynomialMod2 &a) {reg.swap(a.reg);}
//@}
/// \name UNARY OPERATORS
//@{
///
bool operator!() const;
///
PolynomialMod2 operator+() const {return *this;}
///
PolynomialMod2 operator-() const {return *this;}
//@}
/// \name BINARY OPERATORS
//@{
///
PolynomialMod2 And(const PolynomialMod2 &b) const;
///
PolynomialMod2 Xor(const PolynomialMod2 &b) const;
///
PolynomialMod2 Plus(const PolynomialMod2 &b) const {return Xor(b);}
///
PolynomialMod2 Minus(const PolynomialMod2 &b) const {return Xor(b);}
///
PolynomialMod2 Times(const PolynomialMod2 &b) const;
///
PolynomialMod2 DividedBy(const PolynomialMod2 &b) const;
///
PolynomialMod2 Modulo(const PolynomialMod2 &b) const;
///
PolynomialMod2 operator>>(unsigned int n) const;
///
PolynomialMod2 operator<<(unsigned int n) const;
//@}
/// \name OTHER ARITHMETIC FUNCTIONS
//@{
/// sum modulo 2 of all coefficients
unsigned int Parity() const;
/// check for irreducibility
bool IsIrreducible() const;
/// is always zero since we're working modulo 2
PolynomialMod2 Doubled() const {return Zero();}
///
PolynomialMod2 Squared() const;
/// only 1 is a unit
bool IsUnit() const {return Equals(One());}
/// return inverse if *this is a unit, otherwise return 0
PolynomialMod2 MultiplicativeInverse() const {return IsUnit() ? One() : Zero();}
/// greatest common divisor
static PolynomialMod2 CRYPTOPP_API Gcd(const PolynomialMod2 &a, const PolynomialMod2 &n);
/// calculate multiplicative inverse of *this mod n
PolynomialMod2 InverseMod(const PolynomialMod2 &) const;
/// calculate r and q such that (a == d*q + r) && (deg(r) < deg(d))
static void CRYPTOPP_API Divide(PolynomialMod2 &r, PolynomialMod2 &q, const PolynomialMod2 &a, const PolynomialMod2 &d);
//@}
/// \name INPUT/OUTPUT
//@{
///
friend std::ostream& operator<<(std::ostream& out, const PolynomialMod2 &a);
//@}
private:
friend class GF2NT;
friend class GF2NT233;
SecWordBlock reg;
};
///
inline bool operator==(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b)
{return a.Equals(b);}
///
inline bool operator!=(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b)
{return !(a==b);}
/// compares degree
inline bool operator> (const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b)
{return a.Degree() > b.Degree();}
/// compares degree
inline bool operator>=(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b)
{return a.Degree() >= b.Degree();}
/// compares degree
inline bool operator< (const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b)
{return a.Degree() < b.Degree();}
/// compares degree
inline bool operator<=(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b)
{return a.Degree() <= b.Degree();}
///
inline CryptoPP::PolynomialMod2 operator&(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.And(b);}
///
inline CryptoPP::PolynomialMod2 operator^(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Xor(b);}
///
inline CryptoPP::PolynomialMod2 operator+(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Plus(b);}
///
inline CryptoPP::PolynomialMod2 operator-(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Minus(b);}
///
inline CryptoPP::PolynomialMod2 operator*(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Times(b);}
///
inline CryptoPP::PolynomialMod2 operator/(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.DividedBy(b);}
///
inline CryptoPP::PolynomialMod2 operator%(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Modulo(b);}
// CodeWarrior 8 workaround: put these template instantiations after overloaded operator declarations,
// but before the use of QuotientRing<EuclideanDomainOf<PolynomialMod2> > for VC .NET 2003
CRYPTOPP_DLL_TEMPLATE_CLASS AbstractGroup<PolynomialMod2>;
CRYPTOPP_DLL_TEMPLATE_CLASS AbstractRing<PolynomialMod2>;
CRYPTOPP_DLL_TEMPLATE_CLASS AbstractEuclideanDomain<PolynomialMod2>;
CRYPTOPP_DLL_TEMPLATE_CLASS EuclideanDomainOf<PolynomialMod2>;
CRYPTOPP_DLL_TEMPLATE_CLASS QuotientRing<EuclideanDomainOf<PolynomialMod2> >;
/// \brief GF(2^n) with Polynomial Basis
class CRYPTOPP_DLL GF2NP : public QuotientRing<EuclideanDomainOf<PolynomialMod2> >
{
public:
GF2NP(const PolynomialMod2 &modulus);
virtual GF2NP * Clone() const {return new GF2NP(*this);}
virtual void DEREncode(BufferedTransformation &bt) const
{CRYPTOPP_UNUSED(bt); CRYPTOPP_ASSERT(false);} // no ASN.1 syntax yet for general polynomial basis
void DEREncodeElement(BufferedTransformation &out, const Element &a) const;
void BERDecodeElement(BufferedTransformation &in, Element &a) const;
bool Equal(const Element &a, const Element &b) const
{CRYPTOPP_ASSERT(a.Degree() < m_modulus.Degree() && b.Degree() < m_modulus.Degree()); return a.Equals(b);}
bool IsUnit(const Element &a) const
{CRYPTOPP_ASSERT(a.Degree() < m_modulus.Degree()); return !!a;}
unsigned int MaxElementBitLength() const
{return m;}
unsigned int MaxElementByteLength() const
{return (unsigned int)BitsToBytes(MaxElementBitLength());}
Element SquareRoot(const Element &a) const;
Element HalfTrace(const Element &a) const;
// returns z such that z^2 + z == a
Element SolveQuadraticEquation(const Element &a) const;
protected:
unsigned int m;
};
/// \brief GF(2^n) with Trinomial Basis
class CRYPTOPP_DLL GF2NT : public GF2NP
{
public:
// polynomial modulus = x^t0 + x^t1 + x^t2, t0 > t1 > t2
GF2NT(unsigned int t0, unsigned int t1, unsigned int t2);
GF2NP * Clone() const {return new GF2NT(*this);}
void DEREncode(BufferedTransformation &bt) const;
const Element& Multiply(const Element &a, const Element &b) const;
const Element& Square(const Element &a) const
{return Reduced(a.Squared());}
const Element& MultiplicativeInverse(const Element &a) const;
protected:
const Element& Reduced(const Element &a) const;
unsigned int t0, t1;
mutable PolynomialMod2 result;
};
/// \brief GF(2^n) for b233 and k233
/// \details GF2NT233 is a specialization of GF2NT that provides Multiply()
/// and Square() operations when carryless multiplies is available.
class CRYPTOPP_DLL GF2NT233 : public GF2NT
{
public:
// polynomial modulus = x^t0 + x^t1 + x^t2, t0 > t1 > t2
GF2NT233(unsigned int t0, unsigned int t1, unsigned int t2);
GF2NP * Clone() const {return new GF2NT233(*this);}
const Element& Multiply(const Element &a, const Element &b) const;
const Element& Square(const Element &a) const;
};
/// \brief GF(2^n) with Pentanomial Basis
class CRYPTOPP_DLL GF2NPP : public GF2NP
{
public:
// polynomial modulus = x^t0 + x^t1 + x^t2 + x^t3 + x^t4, t0 > t1 > t2 > t3 > t4
GF2NPP(unsigned int t0, unsigned int t1, unsigned int t2, unsigned int t3, unsigned int t4)
: GF2NP(PolynomialMod2::Pentanomial(t0, t1, t2, t3, t4)), t1(t1), t2(t2), t3(t3) {}
GF2NP * Clone() const {return new GF2NPP(*this);}
void DEREncode(BufferedTransformation &bt) const;
private:
unsigned int t1, t2, t3;
};
// construct new GF2NP from the ASN.1 sequence Characteristic-two
CRYPTOPP_DLL GF2NP * CRYPTOPP_API BERDecodeGF2NP(BufferedTransformation &bt);
NAMESPACE_END
#ifndef __BORLANDC__
NAMESPACE_BEGIN(std)
template<> inline void swap(CryptoPP::PolynomialMod2 &a, CryptoPP::PolynomialMod2 &b)
{
a.swap(b);
}
NAMESPACE_END
#endif
#if CRYPTOPP_MSC_VERSION
# pragma warning(pop)
#endif
#endif

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// gost.h - originally written and placed in the public domain by Wei Dai
/// \file gost.h
/// \brief Classes for the GIST block cipher
#ifndef CRYPTOPP_GOST_H
#define CRYPTOPP_GOST_H
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief GOST block cipher information
/// \since Crypto++ 2.1
struct GOST_Info : public FixedBlockSize<8>, public FixedKeyLength<32>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "GOST";}
};
/// \brief GOST block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/GOST">GOST</a>
/// \since Crypto++ 2.1
class GOST : public GOST_Info, public BlockCipherDocumentation
{
/// \brief GOST block cipher default operation
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<GOST_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
protected:
static void PrecalculateSTable();
static const byte sBox[8][16];
static volatile bool sTableCalculated;
static word32 sTable[4][256];
FixedSizeSecBlock<word32, 8> m_key;
};
/// \brief GOST block cipher encryption operation
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
/// \brief GOST block cipher decryption operation
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
typedef GOST::Encryption GOSTEncryption;
typedef GOST::Decryption GOSTDecryption;
NAMESPACE_END
#endif

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// gzip.h - originally written and placed in the public domain by Wei Dai
/// \file gzip.h
/// \brief GZIP compression and decompression (RFC 1952)
#ifndef CRYPTOPP_GZIP_H
#define CRYPTOPP_GZIP_H
#include "cryptlib.h"
#include "zdeflate.h"
#include "zinflate.h"
#include "crc.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief GZIP Compression (RFC 1952)
class Gzip : public Deflator
{
public:
/// \brief Construct a Gzip compressor
/// \param attachment an attached transformation
/// \param deflateLevel the deflate level
/// \param log2WindowSize the window size
/// \param detectUncompressible flag to detect if data is compressible
/// \details detectUncompressible makes it faster to process uncompressible files, but
/// if a file has both compressible and uncompressible parts, it may fail to compress
/// some of the compressible parts.
Gzip(BufferedTransformation *attachment=NULLPTR, unsigned int deflateLevel=DEFAULT_DEFLATE_LEVEL, unsigned int log2WindowSize=DEFAULT_LOG2_WINDOW_SIZE, bool detectUncompressible=true)
: Deflator(attachment, deflateLevel, log2WindowSize, detectUncompressible), m_totalLen(0), m_filetime(0) { }
/// \brief Construct a Gzip compressor
/// \param parameters a set of NameValuePairs to initialize this object
/// \param attachment an attached transformation
/// \details Possible parameter names: Log2WindowSize, DeflateLevel, DetectUncompressible
Gzip(const NameValuePairs &parameters, BufferedTransformation *attachment=NULLPTR)
: Deflator(parameters, attachment), m_totalLen(0), m_filetime(0)
{
IsolatedInitialize(parameters);
}
/// \param filetime the filetime to set in the header. The application is responsible for setting it.
void SetFiletime(word32 filetime) { m_filetime = filetime; }
/// \param filename the original filename to set in the header. The application is responsible for setting it.
/// RFC 1952 requires a ISO/IEC 8859-1 encoding.
/// \param throwOnEncodingError if throwOnEncodingError is true, then the filename is checked to ensure it is
/// ISO/IEC 8859-1 encoded. If the filename does not adhere to ISO/IEC 8859-1, then a InvalidDataFormat
/// is thrown. If throwOnEncodingError is false then the filename is not checked.
void SetFilename(const std::string& filename, bool throwOnEncodingError = false);
/// \param comment the comment to set in the header. The application is responsible for setting it.
/// RFC 1952 requires a ISO/IEC 8859-1 encoding.
/// \param throwOnEncodingError if throwOnEncodingError is true, then the comment is checked to ensure it is
/// ISO/IEC 8859-1 encoded. If the comment does not adhere to ISO/IEC 8859-1, then a InvalidDataFormat
/// is thrown. If throwOnEncodingError is false then the comment is not checked.
void SetComment(const std::string& comment, bool throwOnEncodingError = false);
void IsolatedInitialize(const NameValuePairs &parameters);
protected:
enum {MAGIC1=0x1f, MAGIC2=0x8b, // flags for the header
DEFLATED=8, FAST=4, SLOW=2};
enum FLAG_MASKS {
FILENAME=8, COMMENTS=16};
void WritePrestreamHeader();
void ProcessUncompressedData(const byte *string, size_t length);
void WritePoststreamTail();
word32 m_totalLen;
CRC32 m_crc;
word32 m_filetime;
std::string m_filename;
std::string m_comment;
};
/// \brief GZIP Decompression (RFC 1952)
class Gunzip : public Inflator
{
public:
typedef Inflator::Err Err;
/// \brief Exception thrown when a header decoding error occurs
class HeaderErr : public Err {public: HeaderErr() : Err(INVALID_DATA_FORMAT, "Gunzip: header decoding error") {}};
/// \brief Exception thrown when the tail is too short
class TailErr : public Err {public: TailErr() : Err(INVALID_DATA_FORMAT, "Gunzip: tail too short") {}};
/// \brief Exception thrown when a CRC error occurs
class CrcErr : public Err {public: CrcErr() : Err(DATA_INTEGRITY_CHECK_FAILED, "Gunzip: CRC check error") {}};
/// \brief Exception thrown when a length error occurs
class LengthErr : public Err {public: LengthErr() : Err(DATA_INTEGRITY_CHECK_FAILED, "Gunzip: length check error") {}};
/// \brief Construct a Gunzip decompressor
/// \param attachment an attached transformation
/// \param repeat decompress multiple compressed streams in series
/// \param autoSignalPropagation 0 to turn off MessageEnd signal
Gunzip(BufferedTransformation *attachment = NULLPTR, bool repeat = false, int autoSignalPropagation = -1);
/// \return the filetime of the stream as set in the header. The application is responsible for setting it on the decompressed file.
word32 GetFiletime() const { return m_filetime; }
/// \return the filename of the stream as set in the header. The application is responsible for setting it on the decompressed file.
/// \param throwOnEncodingError if throwOnEncodingError is true, then the filename is checked to ensure it is
/// ISO/IEC 8859-1 encoded. If the filename does not adhere to ISO/IEC 8859-1, then a InvalidDataFormat is thrown.
/// If throwOnEncodingError is false then the filename is not checked.
const std::string& GetFilename(bool throwOnEncodingError = false) const;
/// \return the comment of the stream as set in the header.
/// \param throwOnEncodingError if throwOnEncodingError is true, then the comment is checked to ensure it is
/// ISO/IEC 8859-1 encoded. If the comment does not adhere to ISO/IEC 8859-1, then a InvalidDataFormat is thrown.
/// If throwOnEncodingError is false then the comment is not checked.
const std::string& GetComment(bool throwOnEncodingError = false) const;
protected:
enum {
/// \brief First header magic value
MAGIC1=0x1f,
/// \brief Second header magic value
MAGIC2=0x8b,
/// \brief Deflated flag
DEFLATED=8
};
enum FLAG_MASKS {
CONTINUED=2, EXTRA_FIELDS=4, FILENAME=8, COMMENTS=16, ENCRYPTED=32};
unsigned int MaxPrestreamHeaderSize() const {return 1024;}
void ProcessPrestreamHeader();
void ProcessDecompressedData(const byte *string, size_t length);
unsigned int MaxPoststreamTailSize() const {return 8;}
void ProcessPoststreamTail();
word32 m_length;
CRC32 m_crc;
word32 m_filetime;
std::string m_filename;
std::string m_comment;
};
NAMESPACE_END
#endif

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// hashfwd.h - written and placed in the public domain by Jeffrey Walton
/// \file hashfwd.h
/// \brief Forward declarations for hash functions used in signature encoding methods
#ifndef CRYPTOPP_HASHFWD_H
#define CRYPTOPP_HASHFWD_H
#include "config.h"
NAMESPACE_BEGIN(CryptoPP)
class SHA1;
class SHA224;
class SHA256;
class SHA384;
class SHA512;
class SHA3_256;
class SHA3_384;
class SHA3_512;
class SHAKE128;
class SHAKE256;
class Tiger;
class RIPEMD128;
class RIPEMD160;
class Whirlpool;
namespace Weak1 {
class MD2;
class MD5;
}
NAMESPACE_END
#endif // CRYPTOPP_HASHFWD_H

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// hc128.h - written and placed in the public domain by Jeffrey Walton
// based on public domain code by Hongjun Wu.
//
// The reference materials and source files are available at
// The eSTREAM Project, http://www.ecrypt.eu.org/stream/e2-hc128.html.
/// \file hc128.h
/// \brief Classes for HC-128 stream cipher
/// \sa <A HREF="http://www.ecrypt.eu.org/stream/e2-hc128.html">The
/// eSTREAM Project | HC-128</A> and
/// <A HREF="https://www.cryptopp.com/wiki/HC-128">Crypto++ Wiki | HC-128</A>.
/// \since Crypto++ 8.0
#ifndef CRYPTOPP_HC128_H
#define CRYPTOPP_HC128_H
#include "strciphr.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief HC-128 stream cipher information
/// \since Crypto++ 8.0
struct HC128Info : public FixedKeyLength<16, SimpleKeyingInterface::UNIQUE_IV, 16>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() { return "HC-128"; }
};
/// \brief HC-128 stream cipher implementation
/// \since Crypto++ 8.0
class HC128Policy : public AdditiveCipherConcretePolicy<word32, 16>, public HC128Info
{
protected:
void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length);
bool CanOperateKeystream() const { return true; }
bool CipherIsRandomAccess() const { return false; }
void GenerateKeystream(word32* keystream);
void SetupUpdate();
private:
FixedSizeSecBlock<word32, 16> m_X;
FixedSizeSecBlock<word32, 16> m_Y;
FixedSizeSecBlock<word32, 8> m_key;
FixedSizeSecBlock<word32, 8> m_iv;
word32 m_T[1024];
word32 m_ctr;
};
/// \brief HC-128 stream cipher
/// \details HC-128 is a stream cipher developed by Hongjun Wu. HC-128 is one of the
/// final four Profile 1 (software) ciphers selected for the eSTREAM portfolio.
/// \sa <A HREF="http://www.ecrypt.eu.org/stream/e2-hc128.html">The
/// eSTREAM Project | HC-128</A> and
/// <A HREF="https://www.cryptopp.com/wiki/HC-128">Crypto++ Wiki | HC-128</A>.
/// \since Crypto++ 8.0
struct HC128 : public HC128Info, public SymmetricCipherDocumentation
{
typedef SymmetricCipherFinal<ConcretePolicyHolder<HC128Policy, AdditiveCipherTemplate<> >, HC128Info> Encryption;
typedef Encryption Decryption;
};
NAMESPACE_END
#endif // CRYPTOPP_HC128_H

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// hc256.h - written and placed in the public domain by Jeffrey Walton
// based on public domain code by Hongjun Wu.
//
// The reference materials and source files are available at
// The eSTREAM Project, http://www.ecrypt.eu.org/stream/hc256.html.
/// \file hc256.h
/// \brief Classes for HC-256 stream cipher
/// \sa <A HREF="http://www.ecrypt.eu.org/stream/hc256.html">The
/// eSTREAM Project | HC-256</A> and
/// <A HREF="https://www.cryptopp.com/wiki/HC-128">Crypto++ Wiki | HC-128</A>.
/// \since Crypto++ 8.0
#ifndef CRYPTOPP_HC256_H
#define CRYPTOPP_HC256_H
#include "strciphr.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief HC-256 stream cipher information
/// \since Crypto++ 8.0
struct HC256Info : public FixedKeyLength<32, SimpleKeyingInterface::UNIQUE_IV, 32>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() { return "HC-256"; }
};
/// \brief HC-256 stream cipher implementation
/// \since Crypto++ 8.0
class HC256Policy : public AdditiveCipherConcretePolicy<word32, 4>, public HC256Info
{
protected:
void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length);
bool CanOperateKeystream() const { return true; }
bool CipherIsRandomAccess() const { return false; }
word32 H1(word32 u);
word32 H2(word32 u);
void GenerateKeystream(word32* keystream);
word32 Generate();
private:
FixedSizeSecBlock<word32, 8> m_key;
FixedSizeSecBlock<word32, 8> m_iv;
word32 m_P[1024];
word32 m_Q[1024];
word32 m_ctr;
};
/// \brief HC-256 stream cipher
/// \details HC-256 is a stream cipher developed by Hongjun Wu. HC-256 is the
/// successor to HC-128 from the eSTREAM project.
/// \sa <A HREF="http://www.ecrypt.eu.org/stream/hc256.html">The
/// eSTREAM Project | HC-256</A> and
/// <A HREF="https://www.cryptopp.com/wiki/HC-128">Crypto++ Wiki | HC-128</A>.
/// \since Crypto++ 8.0
struct HC256 : public HC256Info, public SymmetricCipherDocumentation
{
typedef SymmetricCipherFinal<ConcretePolicyHolder<HC256Policy, AdditiveCipherTemplate<> >, HC256Info> Encryption;
typedef Encryption Decryption;
};
NAMESPACE_END
#endif // CRYPTOPP_HC256_H

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// hex.h - originally written and placed in the public domain by Wei Dai
/// \file hex.h
/// \brief Classes for HexEncoder and HexDecoder
#ifndef CRYPTOPP_HEX_H
#define CRYPTOPP_HEX_H
#include "cryptlib.h"
#include "basecode.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Converts given data to base 16
class CRYPTOPP_DLL HexEncoder : public SimpleProxyFilter
{
public:
/// \brief Construct a HexEncoder
/// \param attachment a BufferedTrasformation to attach to this object
/// \param uppercase a flag indicating uppercase output
/// \param groupSize the size of the output grouping
/// \param separator the separator to use between groups
/// \param terminator the terminator append after processing
HexEncoder(BufferedTransformation *attachment = NULLPTR, bool uppercase = true, int groupSize = 0, const std::string &separator = ":", const std::string &terminator = "")
: SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment)
{
IsolatedInitialize(MakeParameters(Name::Uppercase(), uppercase)(Name::GroupSize(), groupSize)(Name::Separator(), ConstByteArrayParameter(separator))(Name::Terminator(), ConstByteArrayParameter(terminator)));
}
void IsolatedInitialize(const NameValuePairs &parameters);
};
/// \brief Decode base 16 data back to bytes
class CRYPTOPP_DLL HexDecoder : public BaseN_Decoder
{
public:
/// \brief Construct a HexDecoder
/// \param attachment a BufferedTrasformation to attach to this object
HexDecoder(BufferedTransformation *attachment = NULLPTR)
: BaseN_Decoder(GetDefaultDecodingLookupArray(), 4, attachment) {}
void IsolatedInitialize(const NameValuePairs &parameters);
private:
static const int * CRYPTOPP_API GetDefaultDecodingLookupArray();
};
NAMESPACE_END
#endif

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// hight.h - written and placed in the public domain by Kim Sung Hee and Jeffrey Walton
// Based on "HIGHT: A New Block Cipher Suitable for Low-Resource Device"
// by Deukjo Hong, Jaechul Sung, Seokhie Hong, Jongin Lim, Sangjin Lee,
// Bon-Seok Koo, Changhoon Lee, Donghoon Chang, Jesang Lee, Kitae Jeong,
// Hyun Kim, Jongsung Kim, and Seongtaek Chee
/// \file hight.h
/// \brief Classes for the HIGHT block cipher
/// \since Crypto++ 8.0
#ifndef CRYPTOPP_HIGHT_H
#define CRYPTOPP_HIGHT_H
#include "config.h"
#include "seckey.h"
#include "secblock.h"
#include "algparam.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief HIGHT block cipher information
/// \since Crypto++ 8.0
struct HIGHT_Info : public FixedBlockSize<8>, public FixedKeyLength<16>
{
static const std::string StaticAlgorithmName()
{
// Format is Cipher-Blocksize
return "HIGHT";
}
};
/// \brief HIGHT 64-bit block cipher
/// \details HIGHT provides 64-bit block size. The valid key size is 128-bits.
/// \note Crypto++ provides a byte oriented implementation
/// \sa <a href="http://www.cryptopp.com/wiki/HIGHT">HIGHT</a>,
/// <a href="https://seed.kisa.or.kr/">Korea Internet &amp; Security
/// Agency</a> website
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE HIGHT : public HIGHT_Info, public BlockCipherDocumentation
{
public:
/// \brief HIGHT block cipher transformation functions
/// \details Provides implementation common to encryption and decryption
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<HIGHT_Info>
{
protected:
void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);
FixedSizeSecBlock<byte, 136> m_rkey;
mutable FixedSizeSecBlock<word32, 8> m_xx;
};
/// \brief Encryption transformation
/// \details Enc provides implementation for encryption transformation.
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
/// \brief Decryption transformation
/// \details Dec provides implementation for decryption transformation.
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
typedef HIGHT::Encryption HIGHTEncryption;
typedef HIGHT::Decryption HIGHTDecryption;
NAMESPACE_END
#endif // CRYPTOPP_HIGHT_H

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// hkdf.h - written and placed in public domain by Jeffrey Walton.
/// \file hkdf.h
/// \brief Classes for HKDF from RFC 5869
/// \since Crypto++ 5.6.3
#ifndef CRYPTOPP_HKDF_H
#define CRYPTOPP_HKDF_H
#include "cryptlib.h"
#include "secblock.h"
#include "algparam.h"
#include "hmac.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Extract-and-Expand Key Derivation Function (HKDF)
/// \tparam T HashTransformation class
/// \sa <A HREF="http://eprint.iacr.org/2010/264">Cryptographic Extraction and Key
/// Derivation: The HKDF Scheme</A> and
/// <A HREF="http://tools.ietf.org/html/rfc5869">HMAC-based Extract-and-Expand Key
/// Derivation Function (HKDF)</A>
/// \since Crypto++ 5.6.3
template <class T>
class HKDF : public KeyDerivationFunction
{
public:
virtual ~HKDF() {}
static std::string StaticAlgorithmName () {
const std::string name(std::string("HKDF(") +
std::string(T::StaticAlgorithmName()) + std::string(")"));
return name;
}
// KeyDerivationFunction interface
std::string AlgorithmName() const {
return StaticAlgorithmName();
}
// KeyDerivationFunction interface
size_t MaxDerivedKeyLength() const {
return static_cast<size_t>(T::DIGESTSIZE) * 255;
}
// KeyDerivationFunction interface
size_t GetValidDerivedLength(size_t keylength) const;
// KeyDerivationFunction interface
size_t DeriveKey(byte *derived, size_t derivedLen, const byte *secret, size_t secretLen,
const NameValuePairs& params) const;
/// \brief Derive a key from a seed
/// \param derived the derived output buffer
/// \param derivedLen the size of the derived buffer, in bytes
/// \param secret the seed input buffer
/// \param secretLen the size of the secret buffer, in bytes
/// \param salt the salt input buffer
/// \param saltLen the size of the salt buffer, in bytes
/// \param info the additional input buffer
/// \param infoLen the size of the info buffer, in bytes
/// \return the number of iterations performed
/// \throw InvalidDerivedKeyLength if <tt>derivedLen</tt> is invalid for the scheme
/// \details DeriveKey() provides a standard interface to derive a key from
/// a seed and other parameters. Each class that derives from KeyDerivationFunction
/// provides an overload that accepts most parameters used by the derivation function.
/// \details <tt>salt</tt> and <tt>info</tt> can be <tt>nullptr</tt> with 0 length.
/// HKDF is unusual in that a non-NULL salt with length 0 is different than a
/// NULL <tt>salt</tt>. A NULL <tt>salt</tt> causes HKDF to use a string of 0's
/// of length <tt>T::DIGESTSIZE</tt> for the <tt>salt</tt>.
/// \details HKDF always returns 1 because it only performs 1 iteration. Other
/// derivation functions, like PBKDF's, will return more interesting values.
size_t DeriveKey(byte *derived, size_t derivedLen, const byte *secret, size_t secretLen,
const byte *salt, size_t saltLen, const byte* info, size_t infoLen) const;
protected:
// KeyDerivationFunction interface
const Algorithm & GetAlgorithm() const {
return *this;
}
// If salt is absent (NULL), then use the NULL vector. Missing is different than
// EMPTY (Non-NULL, 0 length). The length of s_NullVector used depends on the Hash
// function. SHA-256 will use 32 bytes of s_NullVector.
typedef byte NullVectorType[T::DIGESTSIZE];
static const NullVectorType& GetNullVector() {
static const NullVectorType s_NullVector = {0};
return s_NullVector;
}
};
template <class T>
size_t HKDF<T>::GetValidDerivedLength(size_t keylength) const
{
if (keylength > MaxDerivedKeyLength())
return MaxDerivedKeyLength();
return keylength;
}
template <class T>
size_t HKDF<T>::DeriveKey(byte *derived, size_t derivedLen,
const byte *secret, size_t secretLen, const NameValuePairs& params) const
{
CRYPTOPP_ASSERT(secret && secretLen);
CRYPTOPP_ASSERT(derived && derivedLen);
CRYPTOPP_ASSERT(derivedLen <= MaxDerivedKeyLength());
ConstByteArrayParameter p;
SecByteBlock salt, info;
if (params.GetValue("Salt", p))
salt.Assign(p.begin(), p.size());
else
salt.Assign(GetNullVector(), T::DIGESTSIZE);
if (params.GetValue("Info", p))
info.Assign(p.begin(), p.size());
else
info.Assign(GetNullVector(), 0);
return DeriveKey(derived, derivedLen, secret, secretLen, salt.begin(), salt.size(), info.begin(), info.size());
}
template <class T>
size_t HKDF<T>::DeriveKey(byte *derived, size_t derivedLen, const byte *secret, size_t secretLen,
const byte *salt, size_t saltLen, const byte* info, size_t infoLen) const
{
CRYPTOPP_ASSERT(secret && secretLen);
CRYPTOPP_ASSERT(derived && derivedLen);
CRYPTOPP_ASSERT(derivedLen <= MaxDerivedKeyLength());
ThrowIfInvalidDerivedKeyLength(derivedLen);
// HKDF business logic. NULL is different than empty.
if (salt == NULLPTR)
{
salt = GetNullVector();
saltLen = T::DIGESTSIZE;
}
// key is PRK from the RFC, salt is IKM from the RFC
HMAC<T> hmac;
SecByteBlock key(T::DIGESTSIZE), buffer(T::DIGESTSIZE);
// Extract
hmac.SetKey(salt, saltLen);
hmac.CalculateDigest(key, secret, secretLen);
// Key
hmac.SetKey(key.begin(), key.size());
byte block = 0;
// Expand
while (derivedLen > 0)
{
if (block++) {hmac.Update(buffer, buffer.size());}
if (infoLen) {hmac.Update(info, infoLen);}
hmac.CalculateDigest(buffer, &block, 1);
#if CRYPTOPP_MSC_VERSION
const size_t digestSize = static_cast<size_t>(T::DIGESTSIZE);
const size_t segmentLen = STDMIN(derivedLen, digestSize);
memcpy_s(derived, segmentLen, buffer, segmentLen);
#else
const size_t digestSize = static_cast<size_t>(T::DIGESTSIZE);
const size_t segmentLen = STDMIN(derivedLen, digestSize);
std::memcpy(derived, buffer, segmentLen);
#endif
derived += segmentLen;
derivedLen -= segmentLen;
}
return 1;
}
NAMESPACE_END
#endif // CRYPTOPP_HKDF_H

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// hmac.h - originally written and placed in the public domain by Wei Dai
/// \file hmac.h
/// \brief Classes for HMAC message authentication codes
#ifndef CRYPTOPP_HMAC_H
#define CRYPTOPP_HMAC_H
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief HMAC information
/// \details HMAC_Base derives from VariableKeyLength and MessageAuthenticationCode
/// \since Crypto++ 2.1
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE HMAC_Base : public VariableKeyLength<16, 0, INT_MAX>, public MessageAuthenticationCode
{
public:
virtual ~HMAC_Base() {}
/// \brief Construct a HMAC_Base
HMAC_Base() : m_innerHashKeyed(false) {}
void UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &params);
void Restart();
void Update(const byte *input, size_t length);
void TruncatedFinal(byte *mac, size_t size);
unsigned int OptimalBlockSize() const {return const_cast<HMAC_Base*>(this)->AccessHash().OptimalBlockSize();}
unsigned int DigestSize() const {return const_cast<HMAC_Base*>(this)->AccessHash().DigestSize();}
protected:
virtual HashTransformation & AccessHash() =0;
byte * AccessIpad() {return m_buf;}
byte * AccessOpad() {return m_buf + AccessHash().BlockSize();}
byte * AccessInnerHash() {return m_buf + 2*AccessHash().BlockSize();}
private:
void KeyInnerHash();
SecByteBlock m_buf;
bool m_innerHashKeyed;
};
/// \brief HMAC
/// \tparam T HashTransformation derived class
/// \details HMAC derives from MessageAuthenticationCodeImpl. It calculates the HMAC using
/// <tt>HMAC(K, text) = H(K XOR opad, H(K XOR ipad, text))</tt>.
/// \sa <a href="http://www.weidai.com/scan-mirror/mac.html#HMAC">HMAC</a>
/// \since Crypto++ 2.1
template <class T>
class HMAC : public MessageAuthenticationCodeImpl<HMAC_Base, HMAC<T> >
{
public:
CRYPTOPP_CONSTANT(DIGESTSIZE=T::DIGESTSIZE);
CRYPTOPP_CONSTANT(BLOCKSIZE=T::BLOCKSIZE);
virtual ~HMAC() {}
/// \brief Construct a HMAC
HMAC() {}
/// \brief Construct a HMAC
/// \param key the HMAC key
/// \param length the size of the HMAC key
HMAC(const byte *key, size_t length=HMAC_Base::DEFAULT_KEYLENGTH)
{this->SetKey(key, length);}
static std::string StaticAlgorithmName() {return std::string("HMAC(") + T::StaticAlgorithmName() + ")";}
std::string AlgorithmName() const {return std::string("HMAC(") + m_hash.AlgorithmName() + ")";}
std::string AlgorithmProvider() const {return m_hash.AlgorithmProvider();}
private:
HashTransformation & AccessHash() {return m_hash;}
T m_hash;
};
NAMESPACE_END
#endif

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// hmqv.h - written and placed in the public domain by Uri Blumenthal
// Shamelessly based upon Wei Dai's MQV source files
#ifndef CRYPTOPP_HMQV_H
#define CRYPTOPP_HMQV_H
/// \file hmqv.h
/// \brief Classes for Hashed Menezes-Qu-Vanstone key agreement in GF(p)
/// \since Crypto++ 5.6.4
#include "gfpcrypt.h"
#include "algebra.h"
#include "sha.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Hashed Menezes-Qu-Vanstone in GF(p)
/// \details This implementation follows Hugo Krawczyk's <a href="http://eprint.iacr.org/2005/176">HMQV: A High-Performance
/// Secure Diffie-Hellman Protocol</a>. Note: this implements HMQV only. HMQV-C with Key Confirmation is not provided.
/// \sa MQV, HMQV, FHMQV, and AuthenticatedKeyAgreementDomain
/// \since Crypto++ 5.6.4
template <class GROUP_PARAMETERS, class COFACTOR_OPTION = typename GROUP_PARAMETERS::DefaultCofactorOption, class HASH = SHA512>
class HMQV_Domain: public AuthenticatedKeyAgreementDomain
{
public:
typedef GROUP_PARAMETERS GroupParameters;
typedef typename GroupParameters::Element Element;
typedef HMQV_Domain<GROUP_PARAMETERS, COFACTOR_OPTION, HASH> Domain;
virtual ~HMQV_Domain() {}
/// \brief Construct a HMQV domain
/// \param clientRole flag indicating initiator or recipient
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
HMQV_Domain(bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer) {}
/// \brief Construct a HMQV domain
/// \param params group parameters and options
/// \param clientRole flag indicating initiator or recipient
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
HMQV_Domain(const GroupParameters &params, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer), m_groupParameters(params) {}
/// \brief Construct a HMQV domain
/// \param bt BufferedTransformation with group parameters and options
/// \param clientRole flag indicating initiator or recipient
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
HMQV_Domain(BufferedTransformation &bt, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.BERDecode(bt);}
/// \brief Construct a HMQV domain
/// \tparam T1 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param clientRole flag indicating initiator or recipient
/// \details v1 is passed directly to the GROUP_PARAMETERS object.
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
template <class T1>
HMQV_Domain(T1 v1, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.Initialize(v1);}
/// \brief Construct a HMQV domain
/// \tparam T1 template parameter used as a constructor parameter
/// \tparam T2 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param v2 second parameter
/// \param clientRole flag indicating initiator or recipient
/// \details v1 and v2 are passed directly to the GROUP_PARAMETERS object.
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
template <class T1, class T2>
HMQV_Domain(T1 v1, T2 v2, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.Initialize(v1, v2);}
/// \brief Construct a HMQV domain
/// \tparam T1 template parameter used as a constructor parameter
/// \tparam T2 template parameter used as a constructor parameter
/// \tparam T3 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param v2 second parameter
/// \param v3 third parameter
/// \param clientRole flag indicating initiator or recipient
/// \details v1, v2 and v3 are passed directly to the GROUP_PARAMETERS object.
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
template <class T1, class T2, class T3>
HMQV_Domain(T1 v1, T2 v2, T3 v3, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.Initialize(v1, v2, v3);}
/// \brief Construct a HMQV domain
/// \tparam T1 template parameter used as a constructor parameter
/// \tparam T2 template parameter used as a constructor parameter
/// \tparam T3 template parameter used as a constructor parameter
/// \tparam T4 template parameter used as a constructor parameter
/// \param v1 first parameter
/// \param v2 second parameter
/// \param v3 third parameter
/// \param v4 third parameter
/// \param clientRole flag indicating initiator or recipient
/// \details v1, v2, v3 and v4 are passed directly to the GROUP_PARAMETERS object.
/// \details <tt>clientRole = true</tt> indicates initiator, and
/// <tt>clientRole = false</tt> indicates recipient or server.
template <class T1, class T2, class T3, class T4>
HMQV_Domain(T1 v1, T2 v2, T3 v3, T4 v4, bool clientRole = true)
: m_role(clientRole ? RoleClient : RoleServer)
{m_groupParameters.Initialize(v1, v2, v3, v4);}
public:
/// \brief Retrieves the group parameters for this domain
/// \return the group parameters for this domain as a const reference
const GroupParameters & GetGroupParameters() const {return m_groupParameters;}
/// \brief Retrieves the group parameters for this domain
/// \return the group parameters for this domain as a non-const reference
GroupParameters & AccessGroupParameters() {return m_groupParameters;}
/// \brief Retrieves the crypto parameters for this domain
/// \return the crypto parameters for this domain as a non-const reference
CryptoParameters & AccessCryptoParameters() {return AccessAbstractGroupParameters();}
/// \brief Provides the size of the agreed value
/// \return size of agreed value produced in this domain
/// \details The length is calculated using <tt>GetEncodedElementSize(false)</tt>,
/// which means the element is encoded in a non-reversible format. A
/// non-reversible format means its a raw byte array, and it lacks presentation
/// format like an ASN.1 BIT_STRING or OCTET_STRING.
unsigned int AgreedValueLength() const
{return GetAbstractGroupParameters().GetEncodedElementSize(false);}
/// \brief Provides the size of the static private key
/// \return size of static private keys in this domain
/// \details The length is calculated using the byte count of the subgroup order.
unsigned int StaticPrivateKeyLength() const
{return GetAbstractGroupParameters().GetSubgroupOrder().ByteCount();}
/// \brief Provides the size of the static public key
/// \return size of static public keys in this domain
/// \details The length is calculated using <tt>GetEncodedElementSize(true)</tt>,
/// which means the element is encoded in a reversible format. A reversible
/// format means it has a presentation format, and its an ANS.1 encoded element
/// or point.
unsigned int StaticPublicKeyLength() const
{return GetAbstractGroupParameters().GetEncodedElementSize(true);}
/// \brief Generate static private key in this domain
/// \param rng a RandomNumberGenerator derived class
/// \param privateKey a byte buffer for the generated private key in this domain
/// \details The private key is a random scalar used as an exponent in the range
/// <tt>[1,MaxExponent()]</tt>.
/// \pre <tt>COUNTOF(privateKey) == PrivateStaticKeyLength()</tt>
void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
{
Integer x(rng, Integer::One(), GetAbstractGroupParameters().GetMaxExponent());
x.Encode(privateKey, StaticPrivateKeyLength());
}
/// \brief Generate a static public key from a private key in this domain
/// \param rng a RandomNumberGenerator derived class
/// \param privateKey a byte buffer with the previously generated private key
/// \param publicKey a byte buffer for the generated public key in this domain
/// \details The public key is an element or point on the curve, and its stored
/// in a revrsible format. A reversible format means it has a presentation
/// format, and its an ANS.1 encoded element or point.
/// \pre <tt>COUNTOF(publicKey) == PublicStaticKeyLength()</tt>
void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
{
CRYPTOPP_UNUSED(rng);
const DL_GroupParameters<Element> &params = GetAbstractGroupParameters();
Integer x(privateKey, StaticPrivateKeyLength());
Element y = params.ExponentiateBase(x);
params.EncodeElement(true, y, publicKey);
}
/// \brief Provides the size of the ephemeral private key
/// \return size of ephemeral private keys in this domain
/// \details An ephemeral private key is a private key and public key.
/// The serialized size is different than a static private key.
unsigned int EphemeralPrivateKeyLength() const {return StaticPrivateKeyLength() + StaticPublicKeyLength();}
/// \brief Provides the size of the ephemeral public key
/// \return size of ephemeral public keys in this domain
/// \details An ephemeral public key is a public key.
/// The serialized size is the same as a static public key.
unsigned int EphemeralPublicKeyLength() const{return StaticPublicKeyLength();}
/// \brief Generate ephemeral private key in this domain
/// \param rng a RandomNumberGenerator derived class
/// \param privateKey a byte buffer for the generated private key in this domain
/// \pre <tt>COUNTOF(privateKey) == EphemeralPrivateKeyLength()</tt>
void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
{
const DL_GroupParameters<Element> &params = GetAbstractGroupParameters();
Integer x(rng, Integer::One(), params.GetMaxExponent());
x.Encode(privateKey, StaticPrivateKeyLength());
Element y = params.ExponentiateBase(x);
params.EncodeElement(true, y, privateKey+StaticPrivateKeyLength());
}
/// \brief Generate ephemeral public key from a private key in this domain
/// \param rng a RandomNumberGenerator derived class
/// \param privateKey a byte buffer with the previously generated private key
/// \param publicKey a byte buffer for the generated public key in this domain
/// \pre <tt>COUNTOF(publicKey) == EphemeralPublicKeyLength()</tt>
void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
{
CRYPTOPP_UNUSED(rng);
std::memcpy(publicKey, privateKey+StaticPrivateKeyLength(), EphemeralPublicKeyLength());
}
/// \brief Derive agreed value or shared secret
/// \param agreedValue the shared secret
/// \param staticPrivateKey your long term private key
/// \param ephemeralPrivateKey your ephemeral private key
/// \param staticOtherPublicKey couterparty's long term public key
/// \param ephemeralOtherPublicKey couterparty's ephemeral public key
/// \param validateStaticOtherPublicKey flag indicating validation
/// \return true upon success, false in case of failure
/// \details Agree() performs the authenticated key agreement. Agree()
/// derives a shared secret from your private keys and couterparty's
/// public keys. Each instance or run of the protocol should use a new
/// ephemeral key pair.
/// \details The other's ephemeral public key will always be validated at
/// Level 1 to ensure it is a point on the curve.
/// <tt>validateStaticOtherPublicKey</tt> determines how thoroughly other's
/// static public key is validated. If you have previously validated the
/// couterparty's static public key, then use
/// <tt>validateStaticOtherPublicKey=false</tt> to save time.
/// \pre <tt>COUNTOF(agreedValue) == AgreedValueLength()</tt>
/// \pre <tt>COUNTOF(staticPrivateKey) == StaticPrivateKeyLength()</tt>
/// \pre <tt>COUNTOF(ephemeralPrivateKey) == EphemeralPrivateKeyLength()</tt>
/// \pre <tt>COUNTOF(staticOtherPublicKey) == StaticPublicKeyLength()</tt>
/// \pre <tt>COUNTOF(ephemeralOtherPublicKey) == EphemeralPublicKeyLength()</tt>
bool Agree(byte *agreedValue,
const byte *staticPrivateKey, const byte *ephemeralPrivateKey,
const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey,
bool validateStaticOtherPublicKey=true) const
{
const byte *XX = NULLPTR, *YY = NULLPTR, *AA = NULLPTR, *BB = NULLPTR;
size_t xxs = 0, yys = 0, aas = 0, bbs = 0;
// Depending on the role, this will hold either A's or B's static
// (long term) public key. AA or BB will then point into tt.
SecByteBlock tt(StaticPublicKeyLength());
try
{
this->GetMaterial().DoQuickSanityCheck();
const DL_GroupParameters<Element> &params = GetAbstractGroupParameters();
if(m_role == RoleServer)
{
Integer b(staticPrivateKey, StaticPrivateKeyLength());
Element B = params.ExponentiateBase(b);
params.EncodeElement(true, B, tt);
XX = ephemeralOtherPublicKey;
xxs = EphemeralPublicKeyLength();
YY = ephemeralPrivateKey + StaticPrivateKeyLength();
yys = EphemeralPublicKeyLength();
AA = staticOtherPublicKey;
aas = StaticPublicKeyLength();
BB = tt.BytePtr();
bbs = tt.SizeInBytes();
}
else
{
Integer a(staticPrivateKey, StaticPrivateKeyLength());
Element A = params.ExponentiateBase(a);
params.EncodeElement(true, A, tt);
XX = ephemeralPrivateKey + StaticPrivateKeyLength();
xxs = EphemeralPublicKeyLength();
YY = ephemeralOtherPublicKey;
yys = EphemeralPublicKeyLength();
AA = tt.BytePtr();
aas = tt.SizeInBytes();
BB = staticOtherPublicKey;
bbs = StaticPublicKeyLength();
}
Element VV1 = params.DecodeElement(staticOtherPublicKey, validateStaticOtherPublicKey);
Element VV2 = params.DecodeElement(ephemeralOtherPublicKey, true);
const Integer& q = params.GetSubgroupOrder();
const unsigned int len /*bytes*/ = (((q.BitCount()+1)/2 +7)/8);
SecByteBlock dd(len), ee(len);
// Compute $d = \hat{H}(X, \hat{B})$
Hash(NULLPTR, XX, xxs, BB, bbs, dd.BytePtr(), dd.SizeInBytes());
Integer d(dd.BytePtr(), dd.SizeInBytes());
// Compute $e = \hat{H}(Y, \hat{A})$
Hash(NULLPTR, YY, yys, AA, aas, ee.BytePtr(), ee.SizeInBytes());
Integer e(ee.BytePtr(), ee.SizeInBytes());
Element sigma;
if(m_role == RoleServer)
{
Integer y(ephemeralPrivateKey, StaticPrivateKeyLength());
Integer b(staticPrivateKey, StaticPrivateKeyLength());
Integer s_B = (y + e * b) % q;
Element A = params.DecodeElement(AA, false);
Element X = params.DecodeElement(XX, false);
Element t1 = params.ExponentiateElement(A, d);
Element t2 = m_groupParameters.MultiplyElements(X, t1);
// $\sigma_B}=(X \cdot A^{d})^{s_B}
sigma = params.ExponentiateElement(t2, s_B);
}
else
{
Integer x(ephemeralPrivateKey, StaticPrivateKeyLength());
Integer a(staticPrivateKey, StaticPrivateKeyLength());
Integer s_A = (x + d * a) % q;
Element B = params.DecodeElement(BB, false);
Element Y = params.DecodeElement(YY, false);
Element t3 = params.ExponentiateElement(B, e);
Element t4 = m_groupParameters.MultiplyElements(Y, t3);
// $\sigma_A}=(Y \cdot B^{e})^{s_A}
sigma = params.ExponentiateElement(t4, s_A);
}
Hash(&sigma, NULLPTR, 0, NULLPTR, 0, agreedValue, AgreedValueLength());
}
catch (DL_BadElement &)
{
CRYPTOPP_ASSERT(0);
return false;
}
return true;
}
protected:
// Hash invocation by client and server differ only in what keys
// each provides.
inline void Hash(const Element* sigma,
const byte* e1, size_t e1len, // Ephemeral key and key length
const byte* s1, size_t s1len, // Static key and key length
byte* digest, size_t dlen) const
{
HASH hash;
size_t idx = 0, req = dlen;
size_t blk = STDMIN(dlen, (size_t)HASH::DIGESTSIZE);
if(sigma)
{
if (e1len != 0 || s1len != 0) {
CRYPTOPP_ASSERT(0);
}
//Integer x = GetAbstractGroupParameters().ConvertElementToInteger(*sigma);
//SecByteBlock sbb(x.MinEncodedSize());
//x.Encode(sbb.BytePtr(), sbb.SizeInBytes());
SecByteBlock sbb(GetAbstractGroupParameters().GetEncodedElementSize(false));
GetAbstractGroupParameters().EncodeElement(false, *sigma, sbb);
hash.Update(sbb.BytePtr(), sbb.SizeInBytes());
} else {
if (e1len == 0 || s1len == 0) {
CRYPTOPP_ASSERT(0);
}
hash.Update(e1, e1len);
hash.Update(s1, s1len);
}
hash.TruncatedFinal(digest, blk);
req -= blk;
// All this to catch tail bytes for large curves and small hashes
while(req != 0)
{
hash.Update(&digest[idx], (size_t)HASH::DIGESTSIZE);
idx += (size_t)HASH::DIGESTSIZE;
blk = STDMIN(req, (size_t)HASH::DIGESTSIZE);
hash.TruncatedFinal(&digest[idx], blk);
req -= blk;
}
}
private:
// The paper uses Initiator and Recipient - make it classical.
enum KeyAgreementRole { RoleServer = 1, RoleClient };
DL_GroupParameters<Element> & AccessAbstractGroupParameters()
{return m_groupParameters;}
const DL_GroupParameters<Element> & GetAbstractGroupParameters() const
{return m_groupParameters;}
GroupParameters m_groupParameters;
KeyAgreementRole m_role;
};
/// \brief Hashed Menezes-Qu-Vanstone in GF(p)
/// \details This implementation follows Hugo Krawczyk's <a href="http://eprint.iacr.org/2005/176">HMQV: A High-Performance
/// Secure Diffie-Hellman Protocol</a>. Note: this implements HMQV only. HMQV-C with Key Confirmation is not provided.
/// \sa HMQV, HMQV_Domain, FHMQV_Domain, AuthenticatedKeyAgreementDomain
/// \since Crypto++ 5.6.4
typedef HMQV_Domain<DL_GroupParameters_GFP_DefaultSafePrime> HMQV;
NAMESPACE_END
#endif

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// hrtimer.h - originally written and placed in the public domain by Wei Dai
/// \file hrtimer.h
/// \brief Classes for timers
#ifndef CRYPTOPP_HRTIMER_H
#define CRYPTOPP_HRTIMER_H
#include "config.h"
#if !defined(HIGHRES_TIMER_AVAILABLE) || (defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(THREAD_TIMER_AVAILABLE))
#include <time.h>
#endif
NAMESPACE_BEGIN(CryptoPP)
#ifdef HIGHRES_TIMER_AVAILABLE
/// \brief TimerWord is a 64-bit word
typedef word64 TimerWord;
#else
/// \brief TimerWord is a clock_t
typedef clock_t TimerWord;
#endif
/// \brief Base class for timers
/// \sa ThreadUserTimer, Timer
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TimerBase
{
public:
/// \brief Unit of measure
/// \details Unit selects the unit of measure as returned by functions
/// ElapsedTimeAsDouble() and ElapsedTime().
/// \sa ElapsedTimeAsDouble, ElapsedTime
enum Unit {
/// \brief Timer unit is seconds
/// \details All timers support seconds
SECONDS = 0,
/// \brief Timer unit is milliseconds
/// \details All timers support milliseconds
MILLISECONDS,
/// \brief Timer unit is microseconds
/// \details The timer requires hardware support microseconds
MICROSECONDS,
/// \brief Timer unit is nanoseconds
/// \details The timer requires hardware support nanoseconds
NANOSECONDS
};
/// \brief Construct a TimerBase
/// \param unit the unit of measure
/// \param stuckAtZero flag
TimerBase(Unit unit, bool stuckAtZero)
: m_timerUnit(unit), m_stuckAtZero(stuckAtZero), m_started(false)
, m_start(0), m_last(0) {}
/// \brief Retrieve the current timer value
/// \return the current timer value
virtual TimerWord GetCurrentTimerValue() =0;
/// \brief Retrieve ticks per second
/// \return ticks per second
/// \details TicksPerSecond() is not the timer resolution. It is a
/// conversion factor into seconds.
virtual TimerWord TicksPerSecond() =0;
/// \brief Start the timer
void StartTimer();
/// \brief Retrieve the elapsed time
/// \return the elapsed time as a double
/// \details The return value of ElapsedTimeAsDouble() depends upon
/// the Unit selected during construction of the timer. For example,
/// if <tt>Unit = SECONDS</tt> and ElapsedTimeAsDouble() returns 3,
/// then the timer has run for 3 seconds. If
/// <tt>Unit = MILLISECONDS</tt> and ElapsedTimeAsDouble() returns
/// 3000, then the timer has run for 3 seconds.
/// \sa Unit, ElapsedTime
double ElapsedTimeAsDouble();
/// \brief Retrieve the elapsed time
/// \return the elapsed time as an unsigned long
/// \details The return value of ElapsedTime() depends upon the
/// Unit selected during construction of the timer. For example, if
/// <tt>Unit = SECONDS</tt> and ElapsedTime() returns 3, then
/// the timer has run for 3 seconds. If <tt>Unit = MILLISECONDS</tt>
/// and ElapsedTime() returns 3000, then the timer has run for 3
/// seconds.
/// \sa Unit, ElapsedTimeAsDouble
unsigned long ElapsedTime();
private:
double ConvertTo(TimerWord t, Unit unit);
Unit m_timerUnit; // HPUX workaround: m_unit is a system macro on HPUX
bool m_stuckAtZero, m_started;
TimerWord m_start, m_last;
};
/// \brief Measure CPU time spent executing instructions of this thread
/// \details ThreadUserTimer requires support of the OS. On Unix-based it
/// reports process time. On Windows NT or later desktops and servers it
/// reports thread times with performance counter precision.. On Windows
/// Phone and Windows Store it reports wall clock time with performance
/// counter precision. On all others it reports wall clock time.
/// \note ThreadUserTimer only works correctly on Windows NT or later
/// desktops and servers.
/// \sa Timer
class ThreadUserTimer : public TimerBase
{
public:
/// \brief Construct a ThreadUserTimer
/// \param unit the unit of measure
/// \param stuckAtZero flag
ThreadUserTimer(Unit unit = TimerBase::SECONDS, bool stuckAtZero = false) : TimerBase(unit, stuckAtZero) {}
TimerWord GetCurrentTimerValue();
TimerWord TicksPerSecond();
};
/// \brief High resolution timer
/// \sa ThreadUserTimer
class CRYPTOPP_DLL Timer : public TimerBase
{
public:
/// \brief Construct a Timer
/// \param unit the unit of measure
/// \param stuckAtZero flag
Timer(Unit unit = TimerBase::SECONDS, bool stuckAtZero = false) : TimerBase(unit, stuckAtZero) {}
TimerWord GetCurrentTimerValue();
TimerWord TicksPerSecond();
};
NAMESPACE_END
#endif

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// ida.h - originally written and placed in the public domain by Wei Dai
/// \file ida.h
/// \brief Classes for Rabin's Information Dispersal and Shamir's Secret Sharing algorithms
#ifndef CRYPTOPP_IDA_H
#define CRYPTOPP_IDA_H
#include "cryptlib.h"
#include "mqueue.h"
#include "filters.h"
#include "channels.h"
#include "secblock.h"
#include "gf2_32.h"
#include "stdcpp.h"
#include "misc.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Secret sharing and information dispersal base class
/// \since Crypto++ 1.0
class RawIDA : public AutoSignaling<Unflushable<Multichannel<Filter> > >
{
public:
RawIDA(BufferedTransformation *attachment=NULLPTR)
: m_channelsReady(0), m_channelsFinished(0), m_threshold (0)
{Detach(attachment);}
unsigned int GetThreshold() const {return m_threshold;}
void AddOutputChannel(word32 channelId);
void ChannelData(word32 channelId, const byte *inString, size_t length, bool messageEnd);
lword InputBuffered(word32 channelId) const;
void IsolatedInitialize(const NameValuePairs &parameters=g_nullNameValuePairs);
size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking)
{
if (!blocking)
throw BlockingInputOnly("RawIDA");
ChannelData(StringToWord<word32>(channel), begin, length, messageEnd != 0);
return 0;
}
protected:
virtual void FlushOutputQueues();
virtual void OutputMessageEnds();
unsigned int InsertInputChannel(word32 channelId);
unsigned int LookupInputChannel(word32 channelId) const;
void ComputeV(unsigned int);
void PrepareInterpolation();
void ProcessInputQueues();
typedef std::map<word32, unsigned int> InputChannelMap;
InputChannelMap m_inputChannelMap;
InputChannelMap::iterator m_lastMapPosition;
std::vector<MessageQueue> m_inputQueues;
std::vector<word32> m_inputChannelIds, m_outputChannelIds, m_outputToInput;
std::vector<std::string> m_outputChannelIdStrings;
std::vector<ByteQueue> m_outputQueues;
std::vector<SecBlock<word32> > m_v;
SecBlock<word32> m_u, m_w, m_y;
const GF2_32 m_gf32;
unsigned int m_channelsReady, m_channelsFinished;
int m_threshold;
};
/// \brief Shamir's Secret Sharing Algorithm
/// \details SecretSharing is a variant of Shamir's secret sharing algorithm
/// \sa SecretRecovery, SecretRecovery, InformationDispersal, InformationRecovery
/// \since Crypto++ 1.0
class SecretSharing : public CustomFlushPropagation<Filter>
{
public:
/// \brief Construct a SecretSharing
SecretSharing(RandomNumberGenerator &rng, int threshold, int nShares, BufferedTransformation *attachment=NULLPTR, bool addPadding=true)
: m_rng(rng), m_ida(new OutputProxy(*this, true))
{
Detach(attachment);
IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("NumberOfShares", nShares)("AddPadding", addPadding));
}
void IsolatedInitialize(const NameValuePairs &parameters=g_nullNameValuePairs);
size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking);
bool Flush(bool hardFlush, int propagation=-1, bool blocking=true) {return m_ida.Flush(hardFlush, propagation, blocking);}
protected:
RandomNumberGenerator &m_rng;
RawIDA m_ida;
bool m_pad;
};
/// \brief Shamir's Secret Sharing Algorithm
/// \details SecretSharing is a variant of Shamir's secret sharing algorithm
/// \sa SecretRecovery, SecretRecovery, InformationDispersal, InformationRecovery
/// \since Crypto++ 1.0
class SecretRecovery : public RawIDA
{
public:
/// \brief Construct a SecretRecovery
SecretRecovery(int threshold, BufferedTransformation *attachment=NULLPTR, bool removePadding=true)
: RawIDA(attachment)
{IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("RemovePadding", removePadding));}
void IsolatedInitialize(const NameValuePairs &parameters=g_nullNameValuePairs);
protected:
void FlushOutputQueues();
void OutputMessageEnds();
bool m_pad;
};
/// a variant of Rabin's Information Dispersal Algorithm
/// \brief Rabin's Information Dispersal Algorithm
/// \details InformationDispersal is a variant of Rabin's information dispersal algorithm
/// \sa SecretRecovery, SecretRecovery, InformationDispersal, InformationRecovery
/// \since Crypto++ 1.0
class InformationDispersal : public CustomFlushPropagation<Filter>
{
public:
/// \brief Construct a InformationDispersal
InformationDispersal(int threshold, int nShares, BufferedTransformation *attachment=NULLPTR, bool addPadding=true)
: m_ida(new OutputProxy(*this, true)), m_pad(false), m_nextChannel(0)
{
Detach(attachment);
IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("NumberOfShares", nShares)("AddPadding", addPadding));
}
void IsolatedInitialize(const NameValuePairs &parameters=g_nullNameValuePairs);
size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking);
bool Flush(bool hardFlush, int propagation=-1, bool blocking=true) {return m_ida.Flush(hardFlush, propagation, blocking);}
protected:
RawIDA m_ida;
bool m_pad;
unsigned int m_nextChannel;
};
/// \brief Rabin's Information Dispersal Algorithm
/// \details InformationDispersal is a variant of Rabin's information dispersal algorithm
/// \sa SecretRecovery, SecretRecovery, InformationDispersal, InformationRecovery
/// \since Crypto++ 1.0
class InformationRecovery : public RawIDA
{
public:
/// \brief Construct a InformationRecovery
InformationRecovery(int threshold, BufferedTransformation *attachment=NULLPTR, bool removePadding=true)
: RawIDA(attachment), m_pad(false)
{IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("RemovePadding", removePadding));}
void IsolatedInitialize(const NameValuePairs &parameters=g_nullNameValuePairs);
protected:
void FlushOutputQueues();
void OutputMessageEnds();
bool m_pad;
ByteQueue m_queue;
};
class PaddingRemover : public Unflushable<Filter>
{
public:
PaddingRemover(BufferedTransformation *attachment=NULLPTR)
: m_possiblePadding(false), m_zeroCount(0) {Detach(attachment);}
void IsolatedInitialize(const NameValuePairs &parameters)
{CRYPTOPP_UNUSED(parameters); m_possiblePadding = false;}
size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking);
// GetPossiblePadding() == false at the end of a message indicates incorrect padding
bool GetPossiblePadding() const {return m_possiblePadding;}
private:
bool m_possiblePadding;
lword m_zeroCount;
};
NAMESPACE_END
#endif

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// idea.h - originally written and placed in the public domain by Wei Dai
/// \file idea.h
/// \brief Classes for the IDEA block cipher
#ifndef CRYPTOPP_IDEA_H
#define CRYPTOPP_IDEA_H
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief IDEA block cipher information
/// \since Crypto++ 1.0
struct IDEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public FixedRounds<8>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "IDEA";}
};
/// \brief IDEA block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/IDEA">IDEA</a>
/// \since Crypto++ 1.0
class IDEA : public IDEA_Info, public BlockCipherDocumentation
{
public: // made public for internal purposes
#ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE
typedef word Word;
#else
typedef hword Word;
#endif
private:
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<IDEA_Info>
{
public:
unsigned int OptimalDataAlignment() const {return 2;}
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
private:
void EnKey(const byte *);
void DeKey();
FixedSizeSecBlock<Word, 6*ROUNDS+4> m_key;
#ifdef IDEA_LARGECACHE
static inline void LookupMUL(word &a, word b);
void LookupKeyLogs();
static void BuildLogTables();
static volatile bool tablesBuilt;
static word16 log[0x10000], antilog[0x10000];
#endif
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
typedef IDEA::Encryption IDEAEncryption;
typedef IDEA::Decryption IDEADecryption;
NAMESPACE_END
#endif

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// integer.h - originally written and placed in the public domain by Wei Dai
/// \file integer.h
/// \brief Multiple precision integer with arithmetic operations
/// \details The Integer class can represent positive and negative integers
/// with absolute value less than (256**sizeof(word))<sup>(256**sizeof(int))</sup>.
/// \details Internally, the library uses a sign magnitude representation, and the class
/// has two data members. The first is a IntegerSecBlock (a SecBlock<word>) and it is
/// used to hold the representation. The second is a Sign (an enumeration), and it is
/// used to track the sign of the Integer.
/// \details For details on how the Integer class initializes its function pointers using
/// InitializeInteger and how it creates Integer::Zero(), Integer::One(), and
/// Integer::Two(), then see the comments at the top of <tt>integer.cpp</tt>.
/// \since Crypto++ 1.0
#ifndef CRYPTOPP_INTEGER_H
#define CRYPTOPP_INTEGER_H
#include "cryptlib.h"
#include "secblock.h"
#include "stdcpp.h"
#include <iosfwd>
NAMESPACE_BEGIN(CryptoPP)
/// \struct InitializeInteger
/// \brief Performs static initialization of the Integer class
struct InitializeInteger
{
InitializeInteger();
};
// Always align, http://github.com/weidai11/cryptopp/issues/256
typedef SecBlock<word, AllocatorWithCleanup<word, true> > IntegerSecBlock;
/// \brief Multiple precision integer with arithmetic operations
/// \details The Integer class can represent positive and negative integers
/// with absolute value less than (256**sizeof(word))<sup>(256**sizeof(int))</sup>.
/// \details Internally, the library uses a sign magnitude representation, and the class
/// has two data members. The first is a IntegerSecBlock (a SecBlock<word>) and it is
/// used to hold the representation. The second is a Sign (an enumeration), and it is
/// used to track the sign of the Integer.
/// \details For details on how the Integer class initializes its function pointers using
/// InitializeInteger and how it creates Integer::Zero(), Integer::One(), and
/// Integer::Two(), then see the comments at the top of <tt>integer.cpp</tt>.
/// \since Crypto++ 1.0
/// \nosubgrouping
class CRYPTOPP_DLL Integer : private InitializeInteger, public ASN1Object
{
public:
/// \name ENUMS, EXCEPTIONS, and TYPEDEFS
//@{
/// \brief Exception thrown when division by 0 is encountered
class DivideByZero : public Exception
{
public:
DivideByZero() : Exception(OTHER_ERROR, "Integer: division by zero") {}
};
/// \brief Exception thrown when a random number cannot be found that
/// satisfies the condition
class RandomNumberNotFound : public Exception
{
public:
RandomNumberNotFound() : Exception(OTHER_ERROR, "Integer: no integer satisfies the given parameters") {}
};
/// \enum Sign
/// \brief Used internally to represent the integer
/// \details Sign is used internally to represent the integer. It is also used in a few API functions.
/// \sa SetPositive(), SetNegative(), Signedness
enum Sign {
/// \brief the value is positive or 0
POSITIVE=0,
/// \brief the value is negative
NEGATIVE=1};
/// \enum Signedness
/// \brief Used when importing and exporting integers
/// \details Signedness is usually used in API functions.
/// \sa Sign
enum Signedness {
/// \brief an unsigned value
UNSIGNED,
/// \brief a signed value
SIGNED};
/// \enum RandomNumberType
/// \brief Properties of a random integer
enum RandomNumberType {
/// \brief a number with no special properties
ANY,
/// \brief a number which is probabilistically prime
PRIME};
//@}
/// \name CREATORS
//@{
/// \brief Creates the zero integer
Integer();
/// copy constructor
Integer(const Integer& t);
/// \brief Convert from signed long
Integer(signed long value);
/// \brief Convert from lword
/// \param sign enumeration indicating Sign
/// \param value the long word
Integer(Sign sign, lword value);
/// \brief Convert from two words
/// \param sign enumeration indicating Sign
/// \param highWord the high word
/// \param lowWord the low word
Integer(Sign sign, word highWord, word lowWord);
/// \brief Convert from a C-string
/// \param str C-string value
/// \param order the ByteOrder of the string to be processed
/// \details \p str can be in base 8, 10, or 16. Base is determined
/// by a case insensitive suffix of 'o' (8), '.' (10), or 'h' (16).
/// No suffix means base 10.
/// \details Byte order was added at Crypto++ 5.7 to allow use of little-endian
/// integers with curve25519, Poly1305 and Microsoft CAPI.
explicit Integer(const char *str, ByteOrder order = BIG_ENDIAN_ORDER);
/// \brief Convert from a wide C-string
/// \param str wide C-string value
/// \param order the ByteOrder of the string to be processed
/// \details \p str can be in base 8, 10, or 16. Base is determined
/// by a case insensitive suffix of 'o' (8), '.' (10), or 'h' (16).
/// No suffix means base 10.
/// \details Byte order was added at Crypto++ 5.7 to allow use of little-endian
/// integers with curve25519, Poly1305 and Microsoft CAPI.
explicit Integer(const wchar_t *str, ByteOrder order = BIG_ENDIAN_ORDER);
/// \brief Convert from a big-endian byte array
/// \param encodedInteger big-endian byte array
/// \param byteCount length of the byte array
/// \param sign enumeration indicating Signedness
/// \param order the ByteOrder of the array to be processed
/// \details Byte order was added at Crypto++ 5.7 to allow use of little-endian
/// integers with curve25519, Poly1305 and Microsoft CAPI.
Integer(const byte *encodedInteger, size_t byteCount, Signedness sign=UNSIGNED, ByteOrder order = BIG_ENDIAN_ORDER);
/// \brief Convert from a big-endian array
/// \param bt BufferedTransformation object with big-endian byte array
/// \param byteCount length of the byte array
/// \param sign enumeration indicating Signedness
/// \param order the ByteOrder of the data to be processed
/// \details Byte order was added at Crypto++ 5.7 to allow use of little-endian
/// integers with curve25519, Poly1305 and Microsoft CAPI.
Integer(BufferedTransformation &bt, size_t byteCount, Signedness sign=UNSIGNED, ByteOrder order = BIG_ENDIAN_ORDER);
/// \brief Convert from a BER encoded byte array
/// \param bt BufferedTransformation object with BER encoded byte array
explicit Integer(BufferedTransformation &bt);
/// \brief Create a random integer
/// \param rng RandomNumberGenerator used to generate material
/// \param bitCount the number of bits in the resulting integer
/// \details The random integer created is uniformly distributed over <tt>[0, 2<sup>bitCount</sup>]</tt>.
Integer(RandomNumberGenerator &rng, size_t bitCount);
/// \brief Integer representing 0
/// \return an Integer representing 0
/// \details Zero() avoids calling constructors for frequently used integers
static const Integer & CRYPTOPP_API Zero();
/// \brief Integer representing 1
/// \return an Integer representing 1
/// \details One() avoids calling constructors for frequently used integers
static const Integer & CRYPTOPP_API One();
/// \brief Integer representing 2
/// \return an Integer representing 2
/// \details Two() avoids calling constructors for frequently used integers
static const Integer & CRYPTOPP_API Two();
/// \brief Create a random integer of special form
/// \param rng RandomNumberGenerator used to generate material
/// \param min the minimum value
/// \param max the maximum value
/// \param rnType RandomNumberType to specify the type
/// \param equiv the equivalence class based on the parameter \p mod
/// \param mod the modulus used to reduce the equivalence class
/// \throw RandomNumberNotFound if the set is empty.
/// \details Ideally, the random integer created should be uniformly distributed
/// over <tt>{x | min \<= x \<= max</tt> and \p x is of rnType and <tt>x \% mod == equiv}</tt>.
/// However the actual distribution may not be uniform because sequential
/// search is used to find an appropriate number from a random starting
/// point.
/// \details May return (with very small probability) a pseudoprime when a prime
/// is requested and <tt>max \> lastSmallPrime*lastSmallPrime</tt>. \p lastSmallPrime
/// is declared in nbtheory.h.
Integer(RandomNumberGenerator &rng, const Integer &min, const Integer &max, RandomNumberType rnType=ANY, const Integer &equiv=Zero(), const Integer &mod=One());
/// \brief Exponentiates to a power of 2
/// \return the Integer 2<sup>e</sup>
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
static Integer CRYPTOPP_API Power2(size_t e);
//@}
/// \name ENCODE/DECODE
//@{
/// \brief Minimum number of bytes to encode this integer
/// \param sign enumeration indicating Signedness
/// \note The MinEncodedSize() of 0 is 1.
size_t MinEncodedSize(Signedness sign=UNSIGNED) const;
/// \brief Encode in big-endian format
/// \param output big-endian byte array
/// \param outputLen length of the byte array
/// \param sign enumeration indicating Signedness
/// \details Unsigned means encode absolute value, signed means encode two's complement if negative.
/// \details outputLen can be used to ensure an Integer is encoded to an exact size (rather than a
/// minimum size). An exact size is useful, for example, when encoding to a field element size.
void Encode(byte *output, size_t outputLen, Signedness sign=UNSIGNED) const;
/// \brief Encode in big-endian format
/// \param bt BufferedTransformation object
/// \param outputLen length of the encoding
/// \param sign enumeration indicating Signedness
/// \details Unsigned means encode absolute value, signed means encode two's complement if negative.
/// \details outputLen can be used to ensure an Integer is encoded to an exact size (rather than a
/// minimum size). An exact size is useful, for example, when encoding to a field element size.
void Encode(BufferedTransformation &bt, size_t outputLen, Signedness sign=UNSIGNED) const;
/// \brief Encode in DER format
/// \param bt BufferedTransformation object
/// \details Encodes the Integer using Distinguished Encoding Rules
/// The result is placed into a BufferedTransformation object
void DEREncode(BufferedTransformation &bt) const;
/// \brief Encode absolute value as big-endian octet string
/// \param bt BufferedTransformation object
/// \param length the number of mytes to decode
void DEREncodeAsOctetString(BufferedTransformation &bt, size_t length) const;
/// \brief Encode absolute value in OpenPGP format
/// \param output big-endian byte array
/// \param bufferSize length of the byte array
/// \return length of the output
/// \details OpenPGPEncode places result into the buffer and returns the
/// number of bytes used for the encoding
size_t OpenPGPEncode(byte *output, size_t bufferSize) const;
/// \brief Encode absolute value in OpenPGP format
/// \param bt BufferedTransformation object
/// \return length of the output
/// \details OpenPGPEncode places result into a BufferedTransformation object and returns the
/// number of bytes used for the encoding
size_t OpenPGPEncode(BufferedTransformation &bt) const;
/// \brief Decode from big-endian byte array
/// \param input big-endian byte array
/// \param inputLen length of the byte array
/// \param sign enumeration indicating Signedness
void Decode(const byte *input, size_t inputLen, Signedness sign=UNSIGNED);
/// \brief Decode nonnegative value from big-endian byte array
/// \param bt BufferedTransformation object
/// \param inputLen length of the byte array
/// \param sign enumeration indicating Signedness
/// \note <tt>bt.MaxRetrievable() \>= inputLen</tt>.
void Decode(BufferedTransformation &bt, size_t inputLen, Signedness sign=UNSIGNED);
/// \brief Decode from BER format
/// \param input big-endian byte array
/// \param inputLen length of the byte array
void BERDecode(const byte *input, size_t inputLen);
/// \brief Decode from BER format
/// \param bt BufferedTransformation object
void BERDecode(BufferedTransformation &bt);
/// \brief Decode nonnegative value from big-endian octet string
/// \param bt BufferedTransformation object
/// \param length length of the byte array
void BERDecodeAsOctetString(BufferedTransformation &bt, size_t length);
/// \brief Exception thrown when an error is encountered decoding an OpenPGP integer
class OpenPGPDecodeErr : public Exception
{
public:
OpenPGPDecodeErr() : Exception(INVALID_DATA_FORMAT, "OpenPGP decode error") {}
};
/// \brief Decode from OpenPGP format
/// \param input big-endian byte array
/// \param inputLen length of the byte array
void OpenPGPDecode(const byte *input, size_t inputLen);
/// \brief Decode from OpenPGP format
/// \param bt BufferedTransformation object
void OpenPGPDecode(BufferedTransformation &bt);
//@}
/// \name ACCESSORS
//@{
/// \brief Determines if the Integer is convertable to Long
/// \return true if <tt>*this</tt> can be represented as a signed long
/// \sa ConvertToLong()
bool IsConvertableToLong() const;
/// \brief Convert the Integer to Long
/// \return equivalent signed long if possible, otherwise undefined
/// \sa IsConvertableToLong()
signed long ConvertToLong() const;
/// \brief Determines the number of bits required to represent the Integer
/// \return number of significant bits
/// \details BitCount is calculated as <tt>floor(log2(abs(*this))) + 1</tt>.
unsigned int BitCount() const;
/// \brief Determines the number of bytes required to represent the Integer
/// \return number of significant bytes
/// \details ByteCount is calculated as <tt>ceiling(BitCount()/8)</tt>.
unsigned int ByteCount() const;
/// \brief Determines the number of words required to represent the Integer
/// \return number of significant words
/// \details WordCount is calculated as <tt>ceiling(ByteCount()/sizeof(word))</tt>.
unsigned int WordCount() const;
/// \brief Provides the i-th bit of the Integer
/// \return the i-th bit, i=0 being the least significant bit
bool GetBit(size_t i) const;
/// \brief Provides the i-th byte of the Integer
/// \return the i-th byte
byte GetByte(size_t i) const;
/// \brief Provides the low order bits of the Integer
/// \return n lowest bits of <tt>*this >> i</tt>
lword GetBits(size_t i, size_t n) const;
/// \brief Determines if the Integer is 0
/// \return true if the Integer is 0, false otherwise
bool IsZero() const {return !*this;}
/// \brief Determines if the Integer is non-0
/// \return true if the Integer is non-0, false otherwise
bool NotZero() const {return !IsZero();}
/// \brief Determines if the Integer is negative
/// \return true if the Integer is negative, false otherwise
bool IsNegative() const {return sign == NEGATIVE;}
/// \brief Determines if the Integer is non-negative
/// \return true if the Integer is non-negative, false otherwise
bool NotNegative() const {return !IsNegative();}
/// \brief Determines if the Integer is positive
/// \return true if the Integer is positive, false otherwise
bool IsPositive() const {return NotNegative() && NotZero();}
/// \brief Determines if the Integer is non-positive
/// \return true if the Integer is non-positive, false otherwise
bool NotPositive() const {return !IsPositive();}
/// \brief Determines if the Integer is even parity
/// \return true if the Integer is even, false otherwise
bool IsEven() const {return GetBit(0) == 0;}
/// \brief Determines if the Integer is odd parity
/// \return true if the Integer is odd, false otherwise
bool IsOdd() const {return GetBit(0) == 1;}
//@}
/// \name MANIPULATORS
//@{
/// \brief Assignment
/// \param t the other Integer
/// \return the result of assignment
Integer& operator=(const Integer& t);
/// \brief Addition Assignment
/// \param t the other Integer
/// \return the result of <tt>*this + t</tt>
Integer& operator+=(const Integer& t);
/// \brief Subtraction Assignment
/// \param t the other Integer
/// \return the result of <tt>*this - t</tt>
Integer& operator-=(const Integer& t);
/// \brief Multiplication Assignment
/// \param t the other Integer
/// \return the result of <tt>*this * t</tt>
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
Integer& operator*=(const Integer& t) {return *this = Times(t);}
/// \brief Division Assignment
/// \param t the other Integer
/// \return the result of <tt>*this / t</tt>
Integer& operator/=(const Integer& t) {return *this = DividedBy(t);}
/// \brief Remainder Assignment
/// \param t the other Integer
/// \return the result of <tt>*this % t</tt>
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
Integer& operator%=(const Integer& t) {return *this = Modulo(t);}
/// \brief Division Assignment
/// \param t the other word
/// \return the result of <tt>*this / t</tt>
Integer& operator/=(word t) {return *this = DividedBy(t);}
/// \brief Remainder Assignment
/// \param t the other word
/// \return the result of <tt>*this % t</tt>
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
Integer& operator%=(word t) {return *this = Integer(POSITIVE, 0, Modulo(t));}
/// \brief Left-shift Assignment
/// \param n number of bits to shift
/// \return reference to this Integer
Integer& operator<<=(size_t n);
/// \brief Right-shift Assignment
/// \param n number of bits to shift
/// \return reference to this Integer
Integer& operator>>=(size_t n);
/// \brief Bitwise AND Assignment
/// \param t the other Integer
/// \return the result of <tt>*this & t</tt>
/// \details operator&=() performs a bitwise AND on <tt>*this</tt>. Missing bits are truncated
/// at the most significant bit positions, so the result is as small as the
/// smaller of the operands.
/// \details Internally, Crypto++ uses a sign-magnitude representation. The library
/// does not attempt to interpret bits, and the result is always POSITIVE. If needed,
/// the integer should be converted to a 2's compliment representation before performing
/// the operation.
/// \since Crypto++ 6.0
Integer& operator&=(const Integer& t);
/// \brief Bitwise OR Assignment
/// \param t the second Integer
/// \return the result of <tt>*this | t</tt>
/// \details operator|=() performs a bitwise OR on <tt>*this</tt>. Missing bits are shifted in
/// at the most significant bit positions, so the result is as large as the
/// larger of the operands.
/// \details Internally, Crypto++ uses a sign-magnitude representation. The library
/// does not attempt to interpret bits, and the result is always POSITIVE. If needed,
/// the integer should be converted to a 2's compliment representation before performing
/// the operation.
/// \since Crypto++ 6.0
Integer& operator|=(const Integer& t);
/// \brief Bitwise XOR Assignment
/// \param t the other Integer
/// \return the result of <tt>*this ^ t</tt>
/// \details operator^=() performs a bitwise XOR on <tt>*this</tt>. Missing bits are shifted
/// in at the most significant bit positions, so the result is as large as the
/// larger of the operands.
/// \details Internally, Crypto++ uses a sign-magnitude representation. The library
/// does not attempt to interpret bits, and the result is always POSITIVE. If needed,
/// the integer should be converted to a 2's compliment representation before performing
/// the operation.
/// \since Crypto++ 6.0
Integer& operator^=(const Integer& t);
/// \brief Set this Integer to random integer
/// \param rng RandomNumberGenerator used to generate material
/// \param bitCount the number of bits in the resulting integer
/// \details The random integer created is uniformly distributed over <tt>[0, 2<sup>bitCount</sup>]</tt>.
/// \note If \p bitCount is 0, then this Integer is set to 0 (and not 0 or 1).
void Randomize(RandomNumberGenerator &rng, size_t bitCount);
/// \brief Set this Integer to random integer
/// \param rng RandomNumberGenerator used to generate material
/// \param min the minimum value
/// \param max the maximum value
/// \details The random integer created is uniformly distributed over <tt>[min, max]</tt>.
void Randomize(RandomNumberGenerator &rng, const Integer &min, const Integer &max);
/// \brief Set this Integer to random integer of special form
/// \param rng RandomNumberGenerator used to generate material
/// \param min the minimum value
/// \param max the maximum value
/// \param rnType RandomNumberType to specify the type
/// \param equiv the equivalence class based on the parameter \p mod
/// \param mod the modulus used to reduce the equivalence class
/// \throw RandomNumberNotFound if the set is empty.
/// \details Ideally, the random integer created should be uniformly distributed
/// over <tt>{x | min \<= x \<= max</tt> and \p x is of rnType and <tt>x \% mod == equiv}</tt>.
/// However the actual distribution may not be uniform because sequential
/// search is used to find an appropriate number from a random starting
/// point.
/// \details May return (with very small probability) a pseudoprime when a prime
/// is requested and <tt>max \> lastSmallPrime*lastSmallPrime</tt>. \p lastSmallPrime
/// is declared in nbtheory.h.
bool Randomize(RandomNumberGenerator &rng, const Integer &min, const Integer &max, RandomNumberType rnType, const Integer &equiv=Zero(), const Integer &mod=One());
/// \brief Generate a random number
/// \param rng RandomNumberGenerator used to generate material
/// \param params additional parameters that cannot be passed directly to the function
/// \return true if a random number was generated, false otherwise
/// \details GenerateRandomNoThrow attempts to generate a random number according to the
/// parameters specified in params. The function does not throw RandomNumberNotFound.
/// \details The example below generates a prime number using NameValuePairs that Integer
/// class recognizes. The names are not provided in argnames.h.
/// <pre>
/// AutoSeededRandomPool prng;
/// AlgorithmParameters params = MakeParameters("BitLength", 2048)
/// ("RandomNumberType", Integer::PRIME);
/// Integer x;
/// if (x.GenerateRandomNoThrow(prng, params) == false)
/// throw std::runtime_error("Failed to generate prime number");
/// </pre>
bool GenerateRandomNoThrow(RandomNumberGenerator &rng, const NameValuePairs &params = g_nullNameValuePairs);
/// \brief Generate a random number
/// \param rng RandomNumberGenerator used to generate material
/// \param params additional parameters that cannot be passed directly to the function
/// \throw RandomNumberNotFound if a random number is not found
/// \details GenerateRandom attempts to generate a random number according to the
/// parameters specified in params.
/// \details The example below generates a prime number using NameValuePairs that Integer
/// class recognizes. The names are not provided in argnames.h.
/// <pre>
/// AutoSeededRandomPool prng;
/// AlgorithmParameters params = MakeParameters("BitLength", 2048)
/// ("RandomNumberType", Integer::PRIME);
/// Integer x;
/// try { x.GenerateRandom(prng, params); }
/// catch (RandomNumberNotFound&) { x = -1; }
/// </pre>
void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &params = g_nullNameValuePairs)
{
if (!GenerateRandomNoThrow(rng, params))
throw RandomNumberNotFound();
}
/// \brief Set the n-th bit to value
/// \details 0-based numbering.
void SetBit(size_t n, bool value=1);
/// \brief Set the n-th byte to value
/// \details 0-based numbering.
void SetByte(size_t n, byte value);
/// \brief Reverse the Sign of the Integer
void Negate();
/// \brief Sets the Integer to positive
void SetPositive() {sign = POSITIVE;}
/// \brief Sets the Integer to negative
void SetNegative() {if (!!(*this)) sign = NEGATIVE;}
/// \brief Swaps this Integer with another Integer
void swap(Integer &a);
//@}
/// \name UNARY OPERATORS
//@{
/// \brief Negation
bool operator!() const;
/// \brief Addition
Integer operator+() const {return *this;}
/// \brief Subtraction
Integer operator-() const;
/// \brief Pre-increment
Integer& operator++();
/// \brief Pre-decrement
Integer& operator--();
/// \brief Post-increment
Integer operator++(int) {Integer temp = *this; ++*this; return temp;}
/// \brief Post-decrement
Integer operator--(int) {Integer temp = *this; --*this; return temp;}
//@}
/// \name BINARY OPERATORS
//@{
/// \brief Perform signed comparison
/// \param a the Integer to compare
/// \retval -1 if <tt>*this < a</tt>
/// \retval 0 if <tt>*this = a</tt>
/// \retval 1 if <tt>*this > a</tt>
int Compare(const Integer& a) const;
/// \brief Addition
Integer Plus(const Integer &b) const;
/// \brief Subtraction
Integer Minus(const Integer &b) const;
/// \brief Multiplication
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
Integer Times(const Integer &b) const;
/// \brief Division
Integer DividedBy(const Integer &b) const;
/// \brief Remainder
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
Integer Modulo(const Integer &b) const;
/// \brief Division
Integer DividedBy(word b) const;
/// \brief Remainder
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
word Modulo(word b) const;
/// \brief Bitwise AND
/// \param t the other Integer
/// \return the result of <tt>*this & t</tt>
/// \details And() performs a bitwise AND on the operands. Missing bits are truncated
/// at the most significant bit positions, so the result is as small as the
/// smaller of the operands.
/// \details Internally, Crypto++ uses a sign-magnitude representation. The library
/// does not attempt to interpret bits, and the result is always POSITIVE. If needed,
/// the integer should be converted to a 2's compliment representation before performing
/// the operation.
/// \since Crypto++ 6.0
Integer And(const Integer& t) const;
/// \brief Bitwise OR
/// \param t the other Integer
/// \return the result of <tt>*this | t</tt>
/// \details Or() performs a bitwise OR on the operands. Missing bits are shifted in
/// at the most significant bit positions, so the result is as large as the
/// larger of the operands.
/// \details Internally, Crypto++ uses a sign-magnitude representation. The library
/// does not attempt to interpret bits, and the result is always POSITIVE. If needed,
/// the integer should be converted to a 2's compliment representation before performing
/// the operation.
/// \since Crypto++ 6.0
Integer Or(const Integer& t) const;
/// \brief Bitwise XOR
/// \param t the other Integer
/// \return the result of <tt>*this ^ t</tt>
/// \details Xor() performs a bitwise XOR on the operands. Missing bits are shifted in
/// at the most significant bit positions, so the result is as large as the
/// larger of the operands.
/// \details Internally, Crypto++ uses a sign-magnitude representation. The library
/// does not attempt to interpret bits, and the result is always POSITIVE. If needed,
/// the integer should be converted to a 2's compliment representation before performing
/// the operation.
/// \since Crypto++ 6.0
Integer Xor(const Integer& t) const;
/// \brief Right-shift
Integer operator>>(size_t n) const {return Integer(*this)>>=n;}
/// \brief Left-shift
Integer operator<<(size_t n) const {return Integer(*this)<<=n;}
//@}
/// \name OTHER ARITHMETIC FUNCTIONS
//@{
/// \brief Retrieve the absolute value of this integer
Integer AbsoluteValue() const;
/// \brief Add this integer to itself
Integer Doubled() const {return Plus(*this);}
/// \brief Multiply this integer by itself
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
Integer Squared() const {return Times(*this);}
/// \brief Extract square root
/// \details if negative return 0, else return floor of square root
Integer SquareRoot() const;
/// \brief Determine whether this integer is a perfect square
bool IsSquare() const;
/// \brief Determine if 1 or -1
/// \return true if this integer is 1 or -1, false otherwise
bool IsUnit() const;
/// \brief Calculate multiplicative inverse
/// \return MultiplicativeInverse inverse if 1 or -1, otherwise return 0.
Integer MultiplicativeInverse() const;
/// \brief Extended Division
/// \param r a reference for the remainder
/// \param q a reference for the quotient
/// \param a reference to the dividend
/// \param d reference to the divisor
/// \details Divide calculates r and q such that (a == d*q + r) && (0 <= r < abs(d)).
static void CRYPTOPP_API Divide(Integer &r, Integer &q, const Integer &a, const Integer &d);
/// \brief Extended Division
/// \param r a reference for the remainder
/// \param q a reference for the quotient
/// \param a reference to the dividend
/// \param d reference to the divisor
/// \details Divide calculates r and q such that (a == d*q + r) && (0 <= r < abs(d)).
/// This overload uses a faster division algorithm because the divisor is short.
static void CRYPTOPP_API Divide(word &r, Integer &q, const Integer &a, word d);
/// \brief Extended Division
/// \param r a reference for the remainder
/// \param q a reference for the quotient
/// \param a reference to the dividend
/// \param n reference to the divisor
/// \details DivideByPowerOf2 calculates r and q such that (a == d*q + r) && (0 <= r < abs(d)).
/// It returns same result as Divide(r, q, a, Power2(n)), but faster.
/// This overload uses a faster division algorithm because the divisor is a power of 2.
static void CRYPTOPP_API DivideByPowerOf2(Integer &r, Integer &q, const Integer &a, unsigned int n);
/// \brief Calculate greatest common divisor
/// \param a reference to the first number
/// \param n reference to the secind number
/// \return the greatest common divisor <tt>a</tt> and <tt>n</tt>.
static Integer CRYPTOPP_API Gcd(const Integer &a, const Integer &n);
/// \brief Calculate multiplicative inverse
/// \param n reference to the modulus
/// \return an Integer <tt>*this % n</tt>.
/// \details InverseMod returns the multiplicative inverse of the Integer <tt>*this</tt>
/// modulo the Integer <tt>n</tt>. If no Integer exists then Integer 0 is returned.
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
Integer InverseMod(const Integer &n) const;
/// \brief Calculate multiplicative inverse
/// \param n the modulus
/// \return a word <tt>*this % n</tt>.
/// \details InverseMod returns the multiplicative inverse of the Integer <tt>*this</tt>
/// modulo the word <tt>n</tt>. If no Integer exists then word 0 is returned.
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
word InverseMod(word n) const;
//@}
/// \name INPUT/OUTPUT
//@{
/// \brief Extraction operator
/// \param in reference to a std::istream
/// \param a reference to an Integer
/// \return reference to a std::istream reference
friend CRYPTOPP_DLL std::istream& CRYPTOPP_API operator>>(std::istream& in, Integer &a);
/// \brief Insertion operator
/// \param out reference to a std::ostream
/// \param a a constant reference to an Integer
/// \return reference to a std::ostream reference
/// \details The output integer responds to hex, std::oct, std::hex, std::upper and
/// std::lower. The output includes the suffix \a h (for hex), \a . (\a dot, for dec)
/// and \a o (for octal). There is currently no way to suppress the suffix.
/// \details If you want to print an Integer without the suffix or using an arbitrary base, then
/// use IntToString<Integer>().
/// \sa IntToString<Integer>
friend CRYPTOPP_DLL std::ostream& CRYPTOPP_API operator<<(std::ostream& out, const Integer &a);
//@}
/// \brief Modular multiplication
/// \param x reference to the first term
/// \param y reference to the second term
/// \param m reference to the modulus
/// \return an Integer <tt>(a * b) % m</tt>.
CRYPTOPP_DLL friend Integer CRYPTOPP_API a_times_b_mod_c(const Integer &x, const Integer& y, const Integer& m);
/// \brief Modular exponentiation
/// \param x reference to the base
/// \param e reference to the exponent
/// \param m reference to the modulus
/// \return an Integer <tt>(a ^ b) % m</tt>.
CRYPTOPP_DLL friend Integer CRYPTOPP_API a_exp_b_mod_c(const Integer &x, const Integer& e, const Integer& m);
protected:
// http://github.com/weidai11/cryptopp/issues/602
Integer InverseModNext(const Integer &n) const;
private:
Integer(word value, size_t length);
int PositiveCompare(const Integer &t) const;
IntegerSecBlock reg;
Sign sign;
#ifndef CRYPTOPP_DOXYGEN_PROCESSING
friend class ModularArithmetic;
friend class MontgomeryRepresentation;
friend class HalfMontgomeryRepresentation;
friend void PositiveAdd(Integer &sum, const Integer &a, const Integer &b);
friend void PositiveSubtract(Integer &diff, const Integer &a, const Integer &b);
friend void PositiveMultiply(Integer &product, const Integer &a, const Integer &b);
friend void PositiveDivide(Integer &remainder, Integer &quotient, const Integer &dividend, const Integer &divisor);
#endif
};
/// \brief Comparison
inline bool operator==(const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)==0;}
/// \brief Comparison
inline bool operator!=(const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)!=0;}
/// \brief Comparison
inline bool operator> (const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)> 0;}
/// \brief Comparison
inline bool operator>=(const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)>=0;}
/// \brief Comparison
inline bool operator< (const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)< 0;}
/// \brief Comparison
inline bool operator<=(const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)<=0;}
/// \brief Addition
inline CryptoPP::Integer operator+(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Plus(b);}
/// \brief Subtraction
inline CryptoPP::Integer operator-(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Minus(b);}
/// \brief Multiplication
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
inline CryptoPP::Integer operator*(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Times(b);}
/// \brief Division
inline CryptoPP::Integer operator/(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.DividedBy(b);}
/// \brief Remainder
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
inline CryptoPP::Integer operator%(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Modulo(b);}
/// \brief Division
inline CryptoPP::Integer operator/(const CryptoPP::Integer &a, CryptoPP::word b) {return a.DividedBy(b);}
/// \brief Remainder
/// \sa a_times_b_mod_c() and a_exp_b_mod_c()
inline CryptoPP::word operator%(const CryptoPP::Integer &a, CryptoPP::word b) {return a.Modulo(b);}
/// \brief Bitwise AND
/// \param a the first Integer
/// \param b the second Integer
/// \return the result of a & b
/// \details operator&() performs a bitwise AND on the operands. Missing bits are truncated
/// at the most significant bit positions, so the result is as small as the
/// smaller of the operands.
/// \details Internally, Crypto++ uses a sign-magnitude representation. The library
/// does not attempt to interpret bits, and the result is always POSITIVE. If needed,
/// the integer should be converted to a 2's compliment representation before performing
/// the operation.
/// \since Crypto++ 6.0
inline CryptoPP::Integer operator&(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.And(b);}
/// \brief Bitwise OR
/// \param a the first Integer
/// \param b the second Integer
/// \return the result of a | b
/// \details operator|() performs a bitwise OR on the operands. Missing bits are shifted in
/// at the most significant bit positions, so the result is as large as the
/// larger of the operands.
/// \details Internally, Crypto++ uses a sign-magnitude representation. The library
/// does not attempt to interpret bits, and the result is always POSITIVE. If needed,
/// the integer should be converted to a 2's compliment representation before performing
/// the operation.
/// \since Crypto++ 6.0
inline CryptoPP::Integer operator|(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Or(b);}
/// \brief Bitwise XOR
/// \param a the first Integer
/// \param b the second Integer
/// \return the result of a ^ b
/// \details operator^() performs a bitwise XOR on the operands. Missing bits are shifted
/// in at the most significant bit positions, so the result is as large as the
/// larger of the operands.
/// \details Internally, Crypto++ uses a sign-magnitude representation. The library
/// does not attempt to interpret bits, and the result is always POSITIVE. If needed,
/// the integer should be converted to a 2's compliment representation before performing
/// the operation.
/// \since Crypto++ 6.0
inline CryptoPP::Integer operator^(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Xor(b);}
NAMESPACE_END
#ifndef __BORLANDC__
NAMESPACE_BEGIN(std)
inline void swap(CryptoPP::Integer &a, CryptoPP::Integer &b)
{
a.swap(b);
}
NAMESPACE_END
#endif
#endif

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// iterhash.h - originally written and placed in the public domain by Wei Dai
/// \file iterhash.h
/// \brief Base classes for iterated hashes
#ifndef CRYPTOPP_ITERHASH_H
#define CRYPTOPP_ITERHASH_H
#include "cryptlib.h"
#include "secblock.h"
#include "misc.h"
#include "simple.h"
#if CRYPTOPP_MSC_VERSION
# pragma warning(push)
# pragma warning(disable: 4231 4275)
# if (CRYPTOPP_MSC_VERSION >= 1400)
# pragma warning(disable: 6011 6386 28193)
# endif
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief Exception thrown when trying to hash more data than is allowed by a hash function
class CRYPTOPP_DLL HashInputTooLong : public InvalidDataFormat
{
public:
explicit HashInputTooLong(const std::string &alg)
: InvalidDataFormat("IteratedHashBase: input data exceeds maximum allowed by hash function " + alg) {}
};
/// \brief Iterated hash base class
/// \tparam T Hash word type
/// \tparam BASE HashTransformation derived class
/// \details IteratedHashBase provides an interface for block-based iterated hashes
/// \sa HashTransformation, MessageAuthenticationCode
template <class T, class BASE>
class CRYPTOPP_NO_VTABLE IteratedHashBase : public BASE
{
public:
typedef T HashWordType;
virtual ~IteratedHashBase() {}
/// \brief Construct an IteratedHashBase
IteratedHashBase() : m_countLo(0), m_countHi(0) {}
/// \brief Provides the input block size most efficient for this cipher.
/// \return The input block size that is most efficient for the cipher
/// \details The base class implementation returns MandatoryBlockSize().
/// \note Optimal input length is
/// <tt>n * OptimalBlockSize() - GetOptimalBlockSizeUsed()</tt> for any <tt>n \> 0</tt>.
unsigned int OptimalBlockSize() const {return this->BlockSize();}
/// \brief Provides input and output data alignment for optimal performance.
/// \return the input data alignment that provides optimal performance
/// \details OptimalDataAlignment returns the natural alignment of the hash word.
unsigned int OptimalDataAlignment() const {return GetAlignmentOf<T>();}
/// \brief Updates a hash with additional input
/// \param input the additional input as a buffer
/// \param length the size of the buffer, in bytes
void Update(const byte *input, size_t length);
/// \brief Requests space which can be written into by the caller
/// \param size the requested size of the buffer
/// \details The purpose of this method is to help avoid extra memory allocations.
/// \details size is an \a IN and \a OUT parameter and used as a hint. When the call is made,
/// size is the requested size of the buffer. When the call returns, size is the size of
/// the array returned to the caller.
/// \details The base class implementation sets size to 0 and returns NULL.
/// \note Some objects, like ArraySink, cannot create a space because its fixed.
byte * CreateUpdateSpace(size_t &size);
/// \brief Restart the hash
/// \details Discards the current state, and restart for a new message
void Restart();
/// \brief Computes the hash of the current message
/// \param digest a pointer to the buffer to receive the hash
/// \param digestSize the size of the truncated digest, in bytes
/// \details TruncatedFinal() calls Final() and then copies digestSize bytes to digest.
/// The hash is restarted the hash for the next message.
void TruncatedFinal(byte *digest, size_t digestSize);
/// \brief Retrieve the provider of this algorithm
/// \return the algorithm provider
/// \details The algorithm provider can be a name like "C++", "SSE", "NEON", "AESNI",
/// "ARMv8" and "Power8". C++ is standard C++ code. Other labels, like SSE,
/// usually indicate a specialized implementation using instructions from a higher
/// instruction set architecture (ISA). Future labels may include external hardware
/// like a hardware security module (HSM).
/// \note Provider is not universally implemented yet.
virtual std::string AlgorithmProvider() const { return "C++"; }
protected:
inline T GetBitCountHi() const
{return (m_countLo >> (8*sizeof(T)-3)) + (m_countHi << 3);}
inline T GetBitCountLo() const
{return m_countLo << 3;}
void PadLastBlock(unsigned int lastBlockSize, byte padFirst=0x80);
virtual void Init() =0;
virtual ByteOrder GetByteOrder() const =0;
virtual void HashEndianCorrectedBlock(const HashWordType *data) =0;
virtual size_t HashMultipleBlocks(const T *input, size_t length);
void HashBlock(const HashWordType *input)
{HashMultipleBlocks(input, this->BlockSize());}
virtual T* DataBuf() =0;
virtual T* StateBuf() =0;
private:
T m_countLo, m_countHi;
};
/// \brief Iterated hash base class
/// \tparam T_HashWordType Hash word type
/// \tparam T_Endianness Endianness type of hash
/// \tparam T_BlockSize Block size of the hash
/// \tparam T_Base HashTransformation derived class
/// \details IteratedHash provides a default implementation for block-based iterated hashes
/// \sa HashTransformation, MessageAuthenticationCode
template <class T_HashWordType, class T_Endianness, unsigned int T_BlockSize, class T_Base = HashTransformation>
class CRYPTOPP_NO_VTABLE IteratedHash : public IteratedHashBase<T_HashWordType, T_Base>
{
public:
typedef T_Endianness ByteOrderClass;
typedef T_HashWordType HashWordType;
CRYPTOPP_CONSTANT(BLOCKSIZE = T_BlockSize);
// BCB2006 workaround: can't use BLOCKSIZE here
CRYPTOPP_COMPILE_ASSERT((T_BlockSize & (T_BlockSize - 1)) == 0); // blockSize is a power of 2
virtual ~IteratedHash() {}
/// \brief Provides the block size of the hash
/// \return the block size of the hash, in bytes
/// \details BlockSize() returns <tt>T_BlockSize</tt>.
unsigned int BlockSize() const {return T_BlockSize;}
/// \brief Provides the byte order of the hash
/// \return the byte order of the hash as an enumeration
/// \details GetByteOrder() returns <tt>T_Endianness::ToEnum()</tt>.
/// \sa ByteOrder()
ByteOrder GetByteOrder() const {return T_Endianness::ToEnum();}
/// \brief Adjusts the byte ordering of the hash
/// \param out the output buffer
/// \param in the input buffer
/// \param byteCount the size of the buffers, in bytes
/// \details CorrectEndianess() calls ConditionalByteReverse() using <tt>T_Endianness</tt>.
inline void CorrectEndianess(HashWordType *out, const HashWordType *in, size_t byteCount)
{
CRYPTOPP_ASSERT(in != NULLPTR);
CRYPTOPP_ASSERT(out != NULLPTR);
CRYPTOPP_ASSERT(IsAligned<T_HashWordType>(in));
CRYPTOPP_ASSERT(IsAligned<T_HashWordType>(out));
ConditionalByteReverse(T_Endianness::ToEnum(), out, in, byteCount);
}
protected:
enum { Blocks = T_BlockSize/sizeof(T_HashWordType) };
T_HashWordType* DataBuf() {return this->m_data;}
FixedSizeSecBlock<T_HashWordType, Blocks> m_data;
};
/// \brief Iterated hash with a static transformation function
/// \tparam T_HashWordType Hash word type
/// \tparam T_Endianness Endianness type of hash
/// \tparam T_BlockSize Block size of the hash
/// \tparam T_StateSize Internal state size of the hash
/// \tparam T_Transform HashTransformation derived class
/// \tparam T_DigestSize Digest size of the hash
/// \tparam T_StateAligned Flag indicating if state is 16-byte aligned
/// \sa HashTransformation, MessageAuthenticationCode
template <class T_HashWordType, class T_Endianness, unsigned int T_BlockSize, unsigned int T_StateSize, class T_Transform, unsigned int T_DigestSize = 0, bool T_StateAligned = false>
class CRYPTOPP_NO_VTABLE IteratedHashWithStaticTransform
: public ClonableImpl<T_Transform, AlgorithmImpl<IteratedHash<T_HashWordType, T_Endianness, T_BlockSize>, T_Transform> >
{
public:
CRYPTOPP_CONSTANT(DIGESTSIZE = T_DigestSize ? T_DigestSize : T_StateSize);
virtual ~IteratedHashWithStaticTransform() {}
/// \brief Provides the digest size of the hash
/// \return the digest size of the hash, in bytes
/// \details DigestSize() returns <tt>DIGESTSIZE</tt>.
unsigned int DigestSize() const {return DIGESTSIZE;}
protected:
// https://github.com/weidai11/cryptopp/issues/147#issuecomment-766231864
IteratedHashWithStaticTransform() {IteratedHashWithStaticTransform::Init();}
void HashEndianCorrectedBlock(const T_HashWordType *data) {T_Transform::Transform(this->m_state, data);}
void Init() {T_Transform::InitState(this->m_state);}
enum { Blocks = T_BlockSize/sizeof(T_HashWordType) };
T_HashWordType* StateBuf() {return this->m_state;}
FixedSizeAlignedSecBlock<T_HashWordType, Blocks, T_StateAligned> m_state;
};
#if !defined(__GNUC__) && !defined(__clang__)
CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word64, HashTransformation>;
CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word64, MessageAuthenticationCode>;
CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word32, HashTransformation>;
CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word32, MessageAuthenticationCode>;
#endif
NAMESPACE_END
#if CRYPTOPP_MSC_VERSION
# pragma warning(pop)
#endif
#endif

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// kalyna.h - written and placed in the public domain by Jeffrey Walton
// Based on public domain code by Keru Kuro.
/// \file kalyna.h
/// \brief Classes for the Kalyna block cipher
/// \details The Crypto++ implementation relied upon three sources. First was Oliynykov, Gorbenko, Kazymyrov,
/// Ruzhentsev, Kuznetsov, Gorbenko, Dyrda, Dolgov, Pushkaryov, Mordvinov and Kaidalov's "A New Encryption
/// Standard of Ukraine: The Kalyna Block Cipher" (http://eprint.iacr.org/2015/650.pdf). Second was Roman
/// Oliynykov and Oleksandr Kazymyrov's GitHub with the reference implementation
/// (http://github.com/Roman-Oliynykov/Kalyna-reference). The third resource was Keru Kuro's implementation
/// of Kalyna in CppCrypto (http://sourceforge.net/projects/cppcrypto/). Kuro has an outstanding
/// implementation that performed better than the reference implementation and our initial attempts.
#ifndef CRYPTOPP_KALYNA_H
#define CRYPTOPP_KALYNA_H
#include "config.h"
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Kalyna-128 block cipher information
/// \since Crypto++ 6.0
struct CRYPTOPP_NO_VTABLE Kalyna128_Info : public FixedBlockSize<16>, VariableKeyLength<16, 16, 32>
{
static const char* StaticAlgorithmName()
{
// Format is Cipher-Blocksize(Keylength)
return "Kalyna-128";
}
};
/// \brief Kalyna-256 block cipher information
/// \since Crypto++ 6.0
struct CRYPTOPP_NO_VTABLE Kalyna256_Info : public FixedBlockSize<32>, VariableKeyLength<32, 32, 64>
{
static const char* StaticAlgorithmName()
{
// Format is Cipher-Blocksize(Keylength)
return "Kalyna-256";
}
};
/// \brief Kalyna-512 block cipher information
/// \since Crypto++ 6.0
struct CRYPTOPP_NO_VTABLE Kalyna512_Info : public FixedBlockSize<64>, FixedKeyLength<64>
{
static const char* StaticAlgorithmName()
{
// Format is Cipher-Blocksize(Keylength)
return "Kalyna-512";
}
};
/// \brief Kalyna block cipher base class
/// \since Crypto++ 6.0
class CRYPTOPP_NO_VTABLE Kalyna_Base
{
public:
virtual ~Kalyna_Base() {}
protected:
typedef SecBlock<word64, AllocatorWithCleanup<word64, true> > AlignedSecBlock64;
mutable AlignedSecBlock64 m_wspace; // work space
AlignedSecBlock64 m_mkey; // master key
AlignedSecBlock64 m_rkeys; // round keys
unsigned int m_kl, m_nb, m_nk; // number 64-bit blocks and keys
};
/// \brief Kalyna 128-bit block cipher
/// \details Kalyna128 provides 128-bit block size. The valid key sizes are 128-bit and 256-bit.
/// \since Crypto++ 6.0
class Kalyna128 : public Kalyna128_Info, public BlockCipherDocumentation
{
public:
class CRYPTOPP_NO_VTABLE Base : public Kalyna_Base, public BlockCipherImpl<Kalyna128_Info>
{
public:
/// \brief Provides the name of this algorithm
/// \return the standard algorithm name
/// \details If the object is unkeyed, then the generic name "Kalyna" is returned
/// to the caller. If the algorithm is keyed, then a two or three part name is
/// returned to the caller. The name follows DSTU 7624:2014, where block size is
/// provided first and then key length. The library uses a dash to identify block size
/// and parenthesis to identify key length. For example, Kalyna-128(256) is Kalyna
/// with a 128-bit block size and a 256-bit key length. If a mode is associated
/// with the object, then it follows as expected. For example, Kalyna-128(256)/ECB.
/// DSTU is a little more complex with more parameters, dashes, underscores, but the
/// library does not use the delimiters or full convention.
std::string AlgorithmName() const {
return std::string("Kalyna-128") + "(" + IntToString(m_kl*8) + ")";
}
/// \brief Provides input and output data alignment for optimal performance.
/// \return the input data alignment that provides optimal performance
/// \sa GetAlignment() and OptimalBlockSize()
unsigned int OptimalDataAlignment() const {
return GetAlignmentOf<word64>();
}
protected:
void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
protected:
void SetKey_22(const word64 key[2]);
void SetKey_24(const word64 key[4]);
void ProcessBlock_22(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
void ProcessBlock_24(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
/// \brief Kalyna 256-bit block cipher
/// \details Kalyna256 provides 256-bit block size. The valid key sizes are 256-bit and 512-bit.
/// \since Crypto++ 6.0
class Kalyna256 : public Kalyna256_Info, public BlockCipherDocumentation
{
public:
class CRYPTOPP_NO_VTABLE Base : public Kalyna_Base, public BlockCipherImpl<Kalyna256_Info>
{
public:
/// \brief Provides the name of this algorithm
/// \return the standard algorithm name
/// \details If the object is unkeyed, then the generic name "Kalyna" is returned
/// to the caller. If the algorithm is keyed, then a two or three part name is
/// returned to the caller. The name follows DSTU 7624:2014, where block size is
/// provided first and then key length. The library uses a dash to identify block size
/// and parenthesis to identify key length. For example, Kalyna-128(256) is Kalyna
/// with a 128-bit block size and a 256-bit key length. If a mode is associated
/// with the object, then it follows as expected. For example, Kalyna-128(256)/ECB.
/// DSTU is a little more complex with more parameters, dashes, underscores, but the
/// library does not use the delimiters or full convention.
std::string AlgorithmName() const {
return std::string("Kalyna-256") + "(" + IntToString(m_kl*8) + ")";
}
/// \brief Provides input and output data alignment for optimal performance.
/// \return the input data alignment that provides optimal performance
/// \sa GetAlignment() and OptimalBlockSize()
unsigned int OptimalDataAlignment() const {
return GetAlignmentOf<word64>();
}
protected:
void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
protected:
void SetKey_44(const word64 key[4]);
void SetKey_48(const word64 key[8]);
void ProcessBlock_44(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
void ProcessBlock_48(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
/// \brief Kalyna 512-bit block cipher
/// \details Kalyna512 provides 512-bit block size. The valid key size is 512-bit.
/// \since Crypto++ 6.0
class Kalyna512 : public Kalyna512_Info, public BlockCipherDocumentation
{
public:
class CRYPTOPP_NO_VTABLE Base : public Kalyna_Base, public BlockCipherImpl<Kalyna512_Info>
{
public:
/// \brief Provides the name of this algorithm
/// \return the standard algorithm name
/// \details If the object is unkeyed, then the generic name "Kalyna" is returned
/// to the caller. If the algorithm is keyed, then a two or three part name is
/// returned to the caller. The name follows DSTU 7624:2014, where block size is
/// provided first and then key length. The library uses a dash to identify block size
/// and parenthesis to identify key length. For example, Kalyna-128(256) is Kalyna
/// with a 128-bit block size and a 256-bit key length. If a mode is associated
/// with the object, then it follows as expected. For example, Kalyna-128(256)/ECB.
/// DSTU is a little more complex with more parameters, dashes, underscores, but the
/// library does not use the delimiters or full convention.
std::string AlgorithmName() const {
return std::string("Kalyna-512") + "(" + IntToString(m_kl*8) + ")";
}
/// \brief Provides input and output data alignment for optimal performance.
/// \return the input data alignment that provides optimal performance
/// \sa GetAlignment() and OptimalBlockSize()
unsigned int OptimalDataAlignment() const {
return GetAlignmentOf<word64>();
}
protected:
void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
protected:
void SetKey_88(const word64 key[8]);
void ProcessBlock_88(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
typedef Kalyna128::Encryption Kalyna128Encryption;
typedef Kalyna128::Decryption Kalyna128Decryption;
typedef Kalyna256::Encryption Kalyna256Encryption;
typedef Kalyna256::Decryption Kalyna256Decryption;
typedef Kalyna512::Encryption Kalyna512Encryption;
typedef Kalyna512::Decryption Kalyna512Decryption;
NAMESPACE_END
#endif // CRYPTOPP_KALYNA_H

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// keccak.h - originally written and placed in the public domain by Wei Dai
/// \file keccak.h
/// \brief Classes for Keccak message digests
/// \details The Crypto++ Keccak implementation uses F1600 with XOF d=0x01.
/// FIPS 202 conformance (XOF d=0x06) is available in SHA3 classes.
/// \details Keccak will likely change in the future to accommodate extensibility of the
/// round function and the XOF functions.
/// \sa <a href="http://en.wikipedia.org/wiki/Keccak">Keccak</a>
/// \since Crypto++ 5.6.4
#ifndef CRYPTOPP_KECCAK_H
#define CRYPTOPP_KECCAK_H
#include "cryptlib.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Keccak message digest base class
/// \details The Crypto++ Keccak implementation uses F1600 with XOF d=0x01.
/// FIPS 202 conformance (XOF d=0x06) is available in SHA3 classes.
/// \details Keccak is the base class for Keccak_224, Keccak_256, Keccak_384 and Keccak_512.
/// Library users should instantiate a derived class, and only use Keccak
/// as a base class reference or pointer.
/// \details Keccak will likely change in the future to accommodate extensibility of the
/// round function and the XOF functions.
/// \details Perform the following to specify a different digest size. The class will use F1600,
/// XOF d=0x01, and a new value for <tt>r()</tt> (which will be <tt>200-2*24 = 152</tt>).
/// <pre> Keccack_192 : public Keccack
/// {
/// public:
/// CRYPTOPP_CONSTANT(DIGESTSIZE = 24);
/// Keccack_192() : Keccack(DIGESTSIZE) {}
/// };
/// </pre>
///
/// \sa SHA3, Keccak_224, Keccak_256, Keccak_384 and Keccak_512.
/// \since Crypto++ 5.6.4
class Keccak : public HashTransformation
{
protected:
/// \brief Construct a Keccak
/// \param digestSize the digest size, in bytes
/// \details Keccak is the base class for Keccak_224, Keccak_256, Keccak_384 and Keccak_512.
/// Library users should instantiate a derived class, and only use Keccak
/// as a base class reference or pointer.
/// \details This constructor was moved to protected at Crypto++ 8.1
/// because users were attempting to create Keccak objects with it.
/// \since Crypto++ 5.6.4
Keccak(unsigned int digestSize) : m_digestSize(digestSize) {Restart();}
public:
unsigned int DigestSize() const {return m_digestSize;}
unsigned int OptimalDataAlignment() const {return GetAlignmentOf<word64>();}
void Update(const byte *input, size_t length);
void Restart();
void TruncatedFinal(byte *hash, size_t size);
protected:
inline unsigned int r() const {return BlockSize();}
FixedSizeSecBlock<word64, 25> m_state;
unsigned int m_digestSize, m_counter;
};
/// \brief Keccak message digest template
/// \tparam T_DigestSize the size of the digest, in bytes
/// \since Crypto++ 6.0
template<unsigned int T_DigestSize>
class Keccak_Final : public Keccak
{
public:
CRYPTOPP_CONSTANT(DIGESTSIZE = T_DigestSize);
CRYPTOPP_CONSTANT(BLOCKSIZE = 200 - 2 * DIGESTSIZE);
static std::string StaticAlgorithmName()
{ return "Keccak-" + IntToString(DIGESTSIZE * 8); }
/// \brief Construct a Keccak-X message digest
Keccak_Final() : Keccak(DIGESTSIZE) {}
/// \brief Provides the block size of the compression function
/// \return block size of the compression function, in bytes
/// \details BlockSize() will return 0 if the hash is not block based
/// or does not have an equivalent block size. For example, Keccak
/// and SHA-3 do not have a block size, but they do have an equivalent
/// block size called rate expressed as <tt>r</tt>.
unsigned int BlockSize() const { return BLOCKSIZE; }
std::string AlgorithmName() const { return StaticAlgorithmName(); }
private:
#if !defined(__BORLANDC__)
// ensure there was no underflow in the math
CRYPTOPP_COMPILE_ASSERT(BLOCKSIZE < 200);
#endif
};
/// \brief Keccak-224 message digest
/// \since Crypto++ 5.6.4
DOCUMENTED_TYPEDEF(Keccak_Final<28>, Keccak_224);
/// \brief Keccak-256 message digest
/// \since Crypto++ 5.6.4
DOCUMENTED_TYPEDEF(Keccak_Final<32>, Keccak_256);
/// \brief Keccak-384 message digest
/// \since Crypto++ 5.6.4
DOCUMENTED_TYPEDEF(Keccak_Final<48>, Keccak_384);
/// \brief Keccak-512 message digest
/// \since Crypto++ 5.6.4
DOCUMENTED_TYPEDEF(Keccak_Final<64>, Keccak_512);
NAMESPACE_END
#endif

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// lea.h - written and placed in the public domain by Kim Sung Hee and Jeffrey Walton
// Based on "LEA: A 128-Bit Block Cipher for Fast Encryption on Common
// Processors" by Deukjo Hong, Jung-Keun Lee, Dong-Chan Kim, Daesung Kwon,
// Kwon Ho Ryu, and Dong-Geon Lee.
/// \file lea.h
/// \brief Classes for the LEA block cipher
/// \since Crypto++ 8.0
#ifndef CRYPTOPP_LEA_H
#define CRYPTOPP_LEA_H
#include "config.h"
#include "seckey.h"
#include "secblock.h"
#include "algparam.h"
#if (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARMV8)
# ifndef CRYPTOPP_DISABLE_LEA_SIMD
# define CRYPTOPP_LEA_ADVANCED_PROCESS_BLOCKS 1
# endif
#endif
// Yet another SunStudio/SunCC workaround. Failed self tests
// in SSE code paths on i386 for SunStudio 12.3 and below.
#if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x5120)
# undef CRYPTOPP_LEA_ADVANCED_PROCESS_BLOCKS
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief LEA block cipher information
/// \since Crypto++ 8.0
struct LEA_Info : public FixedBlockSize<16>, public VariableKeyLength<16,16,32,8>
{
/// \brief The algorithm name
/// \return the algorithm name
/// \details StaticAlgorithmName returns the algorithm's name as a static
/// member function.
static const std::string StaticAlgorithmName()
{
// Format is Cipher-Blocksize
return "LEA-128";
}
};
/// \brief LEA 128-bit block cipher
/// \details LEA provides 128-bit block size. The valid key size is 128-bits, 192-bits and 256-bits.
/// \note Crypto++ provides a byte oriented implementation
/// \sa <a href="http://www.cryptopp.com/wiki/LEA">LEA</a>,
/// <a href="https://seed.kisa.or.kr/html/egovframework/iwt/ds/ko/ref/LEA%20A%20128-Bit%20Block%20Cipher%20for%20Fast%20Encryption%20on%20Common%20Processors-English.pdf">
/// LEA: A 128-Bit Block Cipher for Fast Encryption on Common Processors</a>
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE LEA : public LEA_Info, public BlockCipherDocumentation
{
public:
/// \brief LEA block cipher transformation functions
/// \details Provides implementation common to encryption and decryption
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<LEA_Info>
{
protected:
void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);
std::string AlgorithmProvider() const;
SecBlock<word32> m_rkey;
mutable SecBlock<word32> m_temp;
unsigned int m_rounds;
};
/// \brief Encryption transformation
/// \details Enc provides implementation for encryption transformation. All key and block
/// sizes are supported.
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_LEA_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
/// \brief Decryption transformation
/// \details Dec provides implementation for decryption transformation. All key and block
/// sizes are supported.
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_LEA_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
typedef LEA::Encryption LEAEncryption;
typedef LEA::Decryption LEADecryption;
NAMESPACE_END
#endif // CRYPTOPP_LEA_H

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// lsh.h - written and placed in the public domain by Jeffrey Walton
// Based on the specification and source code provided by
// Korea Internet & Security Agency (KISA) website. Also
// see https://seed.kisa.or.kr/kisa/algorithm/EgovLSHInfo.do
// and https://seed.kisa.or.kr/kisa/Board/22/detailView.do.
// We are hitting some sort of GCC bug in the LSH AVX2 code path.
// Clang is OK on the AVX2 code path. We believe it is GCC Issue
// 82735, https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82735. It
// makes using zeroupper a little tricky.
/// \file lsh.h
/// \brief Classes for the LSH hash functions
/// \since Crypto++ 8.6
/// \sa <A HREF="https://seed.kisa.or.kr/kisa/algorithm/EgovLSHInfo.do">LSH</A>
/// on the Korea Internet & Security Agency (KISA) website.
#ifndef CRYPTOPP_LSH_H
#define CRYPTOPP_LSH_H
#include "cryptlib.h"
#include "secblock.h"
// Enable SSE2 and AVX2 for 64-bit machines.
// 32-bit machines slow down with SSE2.
#if (CRYPTOPP_BOOL_X32) || (CRYPTOPP_BOOL_X64)
# define CRYPTOPP_ENABLE_64BIT_SSE 1
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief LSH-224 and LSH-256 hash base class
/// \details LSH256_Base is the base class for both LSH-224 and LSH-256
/// \since Crypto++ 8.6
class LSH256_Base : public HashTransformation
{
public:
/// \brief Block size, in bytes
/// \details LSH_256 uses LSH256_MSG_BLK_BYTE_LEN for block size, which is 128
CRYPTOPP_CONSTANT(BLOCKSIZE = 128);
virtual ~LSH256_Base() {}
unsigned int BlockSize() const { return BLOCKSIZE; }
unsigned int DigestSize() const { return m_digestSize; }
unsigned int OptimalDataAlignment() const { return GetAlignmentOf<word32>(); }
void Restart();
void Update(const byte *input, size_t size);
void TruncatedFinal(byte *hash, size_t size);
std::string AlgorithmProvider() const;
protected:
LSH256_Base(unsigned int algType, unsigned int digestSize)
: m_digestSize(digestSize) { m_state[80] = algType; }
protected:
// Working state is:
// * cv_l = 8 32-bit words
// * cv_r = 8 32-bit words
// * submsg_e_l = 8 32-bit words
// * submsg_e_r = 8 32-bit words
// * submsg_o_l = 8 32-bit words
// * submsg_o_r = 8 32-bit words
// * last_block = 32 32-bit words (128 bytes)
// * algType
// * remainingBitLength
FixedSizeSecBlock<word32, 80+2> m_state;
// word32 m_algType, m_remainingBitLength;
word32 m_digestSize;
};
/// \brief LSH-224 hash function
/// \sa <A HREF="https://seed.kisa.or.kr/kisa/algorithm/EgovLSHInfo.do">LSH</A>
/// on the Korea Internet & Security Agency (KISA) website.
/// \since Crypto++ 8.6
class LSH224 : public LSH256_Base
{
public:
/// \brief Digest size, in bytes
/// \details LSH_256 uses LSH_GET_HASHBYTE(algType) for digest size, which is 28
CRYPTOPP_CONSTANT(DIGESTSIZE = 28);
/// \brief Block size, in bytes
/// \details LSH_256 uses LSH256_MSG_BLK_BYTE_LEN for block size, which is 128
CRYPTOPP_CONSTANT(BLOCKSIZE = LSH256_Base::BLOCKSIZE);
/// \brief The algorithm's name
/// \return the standard algorithm name
/// \details The standard algorithm name can be a name like <tt>AES</tt> or <tt>AES/GCM</tt>.
/// Some algorithms do not have standard names yet. For example, there is no standard
/// algorithm name for Shoup's ECIES.
/// \note StaticAlgorithmName is not universally implemented yet.
static std::string StaticAlgorithmName() { return "LSH-224"; }
/// \brief Construct a LSH-224
/// \details LSH_TYPE_224 is the magic value 0x000001C defined in lsh.cpp.
LSH224() : LSH256_Base(0x000001C, DIGESTSIZE) { Restart(); }
std::string AlgorithmName() const { return StaticAlgorithmName(); }
};
/// \brief LSH-256 hash function
/// \sa <A HREF="https://seed.kisa.or.kr/kisa/algorithm/EgovLSHInfo.do">LSH</A>
/// on the Korea Internet & Security Agency (KISA) website.
/// \since Crypto++ 8.6
class LSH256 : public LSH256_Base
{
public:
/// \brief Digest size, in bytes
/// \details LSH_256 uses LSH_GET_HASHBYTE(algType) for digest size, which is 32
CRYPTOPP_CONSTANT(DIGESTSIZE = 32);
/// \brief Block size, in bytes
/// \details LSH_256 uses LSH256_MSG_BLK_BYTE_LEN for block size, which is 128
CRYPTOPP_CONSTANT(BLOCKSIZE = LSH256_Base::BLOCKSIZE);
/// \brief The algorithm's name
/// \return the standard algorithm name
/// \details The standard algorithm name can be a name like <tt>AES</tt> or <tt>AES/GCM</tt>.
/// Some algorithms do not have standard names yet. For example, there is no standard
/// algorithm name for Shoup's ECIES.
/// \note StaticAlgorithmName is not universally implemented yet.
static std::string StaticAlgorithmName() { return "LSH-256"; }
/// \brief Construct a LSH-256
/// \details LSH_TYPE_256 is the magic value 0x0000020 defined in lsh.cpp.
LSH256() : LSH256_Base(0x0000020, DIGESTSIZE) { Restart(); }
std::string AlgorithmName() const { return StaticAlgorithmName(); }
};
/// \brief LSH-384 and LSH-512 hash base class
/// \details LSH512_Base is the base class for both LSH-384 and LSH-512
/// \since Crypto++ 8.6
class LSH512_Base : public HashTransformation
{
public:
/// \brief Block size, in bytes
/// \details LSH_512 uses LSH512_MSG_BLK_BYTE_LEN for block size, which is 256
CRYPTOPP_CONSTANT(BLOCKSIZE = 256);
virtual ~LSH512_Base() {}
unsigned int BlockSize() const { return BLOCKSIZE; }
unsigned int DigestSize() const { return m_digestSize; }
unsigned int OptimalDataAlignment() const { return GetAlignmentOf<word64>(); }
void Restart();
void Update(const byte *input, size_t size);
void TruncatedFinal(byte *hash, size_t size);
std::string AlgorithmProvider() const;
protected:
LSH512_Base(unsigned int algType, unsigned int digestSize)
: m_digestSize(digestSize) { m_state[80] = algType; }
protected:
// Working state is:
// * cv_l = 8 64-bit words
// * cv_r = 8 64-bit words
// * submsg_e_l = 8 64-bit words
// * submsg_e_r = 8 64-bit words
// * submsg_o_l = 8 64-bit words
// * submsg_o_r = 8 64-bit words
// * last_block = 32 64-bit words (256 bytes)
// * algType
// * remainingBitLength
FixedSizeSecBlock<word64, 80+2> m_state;
// word32 m_algType, m_remainingBitLength;
word32 m_digestSize;
};
/// \brief LSH-384 hash function
/// \sa <A HREF="https://seed.kisa.or.kr/kisa/algorithm/EgovLSHInfo.do">LSH</A>
/// on the Korea Internet & Security Agency (KISA) website.
/// \since Crypto++ 8.6
class LSH384 : public LSH512_Base
{
public:
/// \brief Digest size, in bytes
/// \details LSH_512 uses LSH_GET_HASHBYTE(algType) for digest size, which is 48
CRYPTOPP_CONSTANT(DIGESTSIZE = 48);
/// \brief Block size, in bytes
/// \details LSH_512 uses LSH512_MSG_BLK_BYTE_LEN for block size, which is 256
CRYPTOPP_CONSTANT(BLOCKSIZE = LSH512_Base::BLOCKSIZE);
/// \brief The algorithm's name
/// \return the standard algorithm name
/// \details The standard algorithm name can be a name like <tt>AES</tt> or <tt>AES/GCM</tt>.
/// Some algorithms do not have standard names yet. For example, there is no standard
/// algorithm name for Shoup's ECIES.
/// \note StaticAlgorithmName is not universally implemented yet.
static std::string StaticAlgorithmName() { return "LSH-384"; }
/// \brief Construct a LSH-384
/// \details LSH_TYPE_384 is the magic value 0x0010030 defined in lsh.cpp.
LSH384() : LSH512_Base(0x0010030, DIGESTSIZE) { Restart(); }
std::string AlgorithmName() const { return StaticAlgorithmName(); }
};
/// \brief LSH-512 hash function
/// \sa <A HREF="https://seed.kisa.or.kr/kisa/algorithm/EgovLSHInfo.do">LSH</A>
/// on the Korea Internet & Security Agency (KISA) website.
/// \since Crypto++ 8.6
class LSH512 : public LSH512_Base
{
public:
/// \brief Digest size, in bytes
/// \details LSH_512 uses LSH_GET_HASHBYTE(algType) for digest size, which is 64
CRYPTOPP_CONSTANT(DIGESTSIZE = 64);
/// \brief Block size, in bytes
/// \details LSH_512 uses LSH512_MSG_BLK_BYTE_LEN for block size, which is 256
CRYPTOPP_CONSTANT(BLOCKSIZE = LSH512_Base::BLOCKSIZE);
/// \brief The algorithm's name
/// \return the standard algorithm name
/// \details The standard algorithm name can be a name like <tt>AES</tt> or <tt>AES/GCM</tt>.
/// Some algorithms do not have standard names yet. For example, there is no standard
/// algorithm name for Shoup's ECIES.
/// \note StaticAlgorithmName is not universally implemented yet.
static std::string StaticAlgorithmName() { return "LSH-512"; }
/// \brief Construct a LSH-512
/// \details LSH_TYPE_512 is the magic value 0x0010040 defined in lsh.cpp.
LSH512() : LSH512_Base(0x0010040, DIGESTSIZE) { Restart(); }
std::string AlgorithmName() const { return StaticAlgorithmName(); }
};
/// \brief LSH-512-256 hash function
/// \sa <A HREF="https://seed.kisa.or.kr/kisa/algorithm/EgovLSHInfo.do">LSH</A>
/// on the Korea Internet & Security Agency (KISA) website.
/// \since Crypto++ 8.6
class LSH512_256 : public LSH512_Base
{
public:
/// \brief Digest size, in bytes
/// \details LSH_512 uses LSH_GET_HASHBYTE(algType) for digest size, which is 32
CRYPTOPP_CONSTANT(DIGESTSIZE = 32);
/// \brief Block size, in bytes
/// \details LSH_512 uses LSH512_MSG_BLK_BYTE_LEN for block size, which is 256
CRYPTOPP_CONSTANT(BLOCKSIZE = LSH512_Base::BLOCKSIZE);
/// \brief The algorithm's name
/// \return the standard algorithm name
/// \details The standard algorithm name can be a name like <tt>AES</tt> or <tt>AES/GCM</tt>.
/// Some algorithms do not have standard names yet. For example, there is no standard
/// algorithm name for Shoup's ECIES.
/// \note StaticAlgorithmName is not universally implemented yet.
static std::string StaticAlgorithmName() { return "LSH-512-256"; }
/// \brief Construct a LSH-512-256
/// \details LSH_TYPE_512_256 is the magic value 0x0010020 defined in lsh.cpp.
LSH512_256() : LSH512_Base(0x0010020, DIGESTSIZE) { Restart(); }
std::string AlgorithmName() const { return StaticAlgorithmName(); }
};
NAMESPACE_END
#endif // CRYPTOPP_LSH_H

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// lubyrack.h - originally written and placed in the public domain by Wei Dai
/// \file lubyrack.h
/// \brief Classes for the Luby-Rackoff block cipher
#ifndef CRYPTOPP_LUBYRACK_H
#define CRYPTOPP_LUBYRACK_H
#include "simple.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief Luby-Rackoff block cipher information
template <class T>
struct LR_Info : public VariableKeyLength<16, 0, 2*(INT_MAX/2), 2>, public FixedBlockSize<2*T::DIGESTSIZE>
{
static std::string StaticAlgorithmName() {return std::string("LR/")+T::StaticAlgorithmName();}
};
/// \brief Luby-Rackoff block cipher
template <class T>
class LR : public LR_Info<T>, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<LR_Info<T> >
{
public:
// VC60 workaround: have to define these functions within class definition
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params)
{
this->AssertValidKeyLength(length);
L = length/2;
buffer.New(2*S);
digest.New(S);
key.Assign(userKey, 2*L);
}
protected:
CRYPTOPP_CONSTANT(S=T::DIGESTSIZE);
unsigned int L; // key length / 2
SecByteBlock key;
mutable T hm;
mutable SecByteBlock buffer, digest;
};
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
#define KL this->key
#define KR this->key+this->L
#define BL this->buffer
#define BR this->buffer+this->S
#define IL inBlock
#define IR inBlock+this->S
#define OL outBlock
#define OR outBlock+this->S
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
this->hm.Update(KL, this->L);
this->hm.Update(IL, this->S);
this->hm.Final(BR);
xorbuf(BR, IR, this->S);
this->hm.Update(KR, this->L);
this->hm.Update(BR, this->S);
this->hm.Final(BL);
xorbuf(BL, IL, this->S);
this->hm.Update(KL, this->L);
this->hm.Update(BL, this->S);
this->hm.Final(this->digest);
xorbuf(BR, this->digest, this->S);
this->hm.Update(KR, this->L);
this->hm.Update(OR, this->S);
this->hm.Final(this->digest);
xorbuf(BL, this->digest, this->S);
if (xorBlock)
xorbuf(outBlock, xorBlock, this->buffer, 2*this->S);
else
memcpy_s(outBlock, 2*this->S, this->buffer, 2*this->S);
}
};
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
this->hm.Update(KR, this->L);
this->hm.Update(IR, this->S);
this->hm.Final(BL);
xorbuf(BL, IL, this->S);
this->hm.Update(KL, this->L);
this->hm.Update(BL, this->S);
this->hm.Final(BR);
xorbuf(BR, IR, this->S);
this->hm.Update(KR, this->L);
this->hm.Update(BR, this->S);
this->hm.Final(this->digest);
xorbuf(BL, this->digest, this->S);
this->hm.Update(KL, this->L);
this->hm.Update(OL, this->S);
this->hm.Final(this->digest);
xorbuf(BR, this->digest, this->S);
if (xorBlock)
xorbuf(outBlock, xorBlock, this->buffer, 2*this->S);
else
std::memcpy(outBlock, this->buffer, 2*this->S);
}
#undef KL
#undef KR
#undef BL
#undef BR
#undef IL
#undef IR
#undef OL
#undef OR
};
public:
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
NAMESPACE_END
#endif

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// luc.h - originally written and placed in the public domain by Wei Dai
/// \file luc.h
/// \brief Classes for the LUC cryptosystem
/// \details This class is here for historical and pedagogical interest. It has no practical advantages over other
/// trapdoor functions and probably shouldn't be used in production software. The discrete log based LUC schemes
/// defined later in this .h file may be of more practical interest.
/// \since Crypto++ 2.1
#ifndef CRYPTOPP_LUC_H
#define CRYPTOPP_LUC_H
#include "cryptlib.h"
#include "gfpcrypt.h"
#include "integer.h"
#include "algebra.h"
#include "secblock.h"
#if CRYPTOPP_MSC_VERSION
# pragma warning(push)
# pragma warning(disable: 4127 4189)
#endif
#include "pkcspad.h"
#include "integer.h"
#include "oaep.h"
#include "dh.h"
#include <limits.h>
NAMESPACE_BEGIN(CryptoPP)
/// \brief The LUC function.
/// \details This class is here for historical and pedagogical interest. It has no practical advantages over other
/// trapdoor functions and probably shouldn't be used in production software. The discrete log based LUC schemes
/// defined later in this .h file may be of more practical interest.
/// \since Crypto++ 2.1
class LUCFunction : public TrapdoorFunction, public PublicKey
{
typedef LUCFunction ThisClass;
public:
virtual ~LUCFunction() {}
/// \brief Initialize a LUC public key with {n,e}
/// \param n the modulus
/// \param e the public exponent
void Initialize(const Integer &n, const Integer &e)
{m_n = n; m_e = e;}
void BERDecode(BufferedTransformation &bt);
void DEREncode(BufferedTransformation &bt) const;
Integer ApplyFunction(const Integer &x) const;
Integer PreimageBound() const {return m_n;}
Integer ImageBound() const {return m_n;}
bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
void AssignFrom(const NameValuePairs &source);
// non-derived interface
const Integer & GetModulus() const {return m_n;}
const Integer & GetPublicExponent() const {return m_e;}
void SetModulus(const Integer &n) {m_n = n;}
void SetPublicExponent(const Integer &e) {m_e = e;}
protected:
Integer m_n, m_e;
};
/// \brief The LUC inverse function.
/// \details This class is here for historical and pedagogical interest. It has no practical advantages over other
/// trapdoor functions and probably shouldn't be used in production software. The discrete log based LUC schemes
/// defined later in this .h file may be of more practical interest.
/// \since Crypto++ 2.1
class InvertibleLUCFunction : public LUCFunction, public TrapdoorFunctionInverse, public PrivateKey
{
typedef InvertibleLUCFunction ThisClass;
public:
virtual ~InvertibleLUCFunction() {}
/// \brief Create a LUC private key
/// \param rng a RandomNumberGenerator derived class
/// \param modulusBits the size of the modulus, in bits
/// \param eStart the desired starting public exponent
/// \details Initialize() creates a new keypair using a starting public exponent of 17.
/// \details This function overload of Initialize() creates a new keypair because it
/// takes a RandomNumberGenerator() as a parameter. If you have an existing keypair,
/// then use one of the other Initialize() overloads.
void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits, const Integer &eStart=17);
/// \brief Initialize a LUC private key with {n,e,p,q,dp,dq,u}
/// \param n modulus
/// \param e public exponent
/// \param p first prime factor
/// \param q second prime factor
/// \param u q<sup>-1</sup> mod p
/// \details This Initialize() function overload initializes a private key from existing parameters.
void Initialize(const Integer &n, const Integer &e, const Integer &p, const Integer &q, const Integer &u)
{m_n = n; m_e = e; m_p = p; m_q = q; m_u = u;}
void BERDecode(BufferedTransformation &bt);
void DEREncode(BufferedTransformation &bt) const;
Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const;
bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
void AssignFrom(const NameValuePairs &source);
/*! parameters: (ModulusSize, PublicExponent (default 17)) */
void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg);
// non-derived interface
const Integer& GetPrime1() const {return m_p;}
const Integer& GetPrime2() const {return m_q;}
const Integer& GetMultiplicativeInverseOfPrime2ModPrime1() const {return m_u;}
void SetPrime1(const Integer &p) {m_p = p;}
void SetPrime2(const Integer &q) {m_q = q;}
void SetMultiplicativeInverseOfPrime2ModPrime1(const Integer &u) {m_u = u;}
protected:
Integer m_p, m_q, m_u;
};
/// \brief LUC cryptosystem
/// \since Crypto++ 2.1
struct LUC
{
static std::string StaticAlgorithmName() {return "LUC";}
typedef LUCFunction PublicKey;
typedef InvertibleLUCFunction PrivateKey;
};
/// \brief LUC encryption scheme
/// \tparam STANDARD signature standard
/// \details This class is here for historical and pedagogical interest. It has no practical advantages over other
/// trapdoor functions and probably shouldn't be used in production software. The discrete log based LUC schemes
/// defined later in this .h file may be of more practical interest.
/// \since Crypto++ 2.1
template <class STANDARD>
struct LUCES : public TF_ES<LUC, STANDARD>
{
};
/// \brief LUC signature scheme with appendix
/// \tparam STANDARD signature standard
/// \tparam H hash transformation
/// \details This class is here for historical and pedagogical interest. It has no practical advantages over other
/// trapdoor functions and probably shouldn't be used in production software. The discrete log based LUC schemes
/// defined later in this .h file may be of more practical interest.
/// \since Crypto++ 2.1
template <class STANDARD, class H>
struct LUCSS : public TF_SS<LUC, STANDARD, H>
{
};
// analogous to the RSA schemes defined in PKCS #1 v2.0
typedef LUCES<OAEP<SHA1> >::Decryptor LUCES_OAEP_SHA_Decryptor;
typedef LUCES<OAEP<SHA1> >::Encryptor LUCES_OAEP_SHA_Encryptor;
typedef LUCSS<PKCS1v15, SHA1>::Signer LUCSSA_PKCS1v15_SHA_Signer;
typedef LUCSS<PKCS1v15, SHA1>::Verifier LUCSSA_PKCS1v15_SHA_Verifier;
// ********************************************************
/// \brief LUC GroupParameters precomputation
/// \details No actual precomputation is performed
/// \since Crypto++ 2.1
class DL_GroupPrecomputation_LUC : public DL_GroupPrecomputation<Integer>
{
public:
virtual ~DL_GroupPrecomputation_LUC() {}
const AbstractGroup<Element> & GetGroup() const {CRYPTOPP_ASSERT(false); throw 0;}
Element BERDecodeElement(BufferedTransformation &bt) const {return Integer(bt);}
void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {v.DEREncode(bt);}
// non-inherited
void SetModulus(const Integer &v) {m_p = v;}
const Integer & GetModulus() const {return m_p;}
private:
Integer m_p;
};
/// \brief LUC Precomputation
/// \since Crypto++ 2.1
class DL_BasePrecomputation_LUC : public DL_FixedBasePrecomputation<Integer>
{
public:
virtual ~DL_BasePrecomputation_LUC() {}
// DL_FixedBasePrecomputation
bool IsInitialized() const {return m_g.NotZero();}
void SetBase(const DL_GroupPrecomputation<Element> &group, const Integer &base)
{CRYPTOPP_UNUSED(group); m_g = base;}
const Integer & GetBase(const DL_GroupPrecomputation<Element> &group) const
{CRYPTOPP_UNUSED(group); return m_g;}
void Precompute(const DL_GroupPrecomputation<Element> &group, unsigned int maxExpBits, unsigned int storage)
{CRYPTOPP_UNUSED(group); CRYPTOPP_UNUSED(maxExpBits); CRYPTOPP_UNUSED(storage);}
void Load(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation)
{CRYPTOPP_UNUSED(group); CRYPTOPP_UNUSED(storedPrecomputation);}
void Save(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) const
{CRYPTOPP_UNUSED(group); CRYPTOPP_UNUSED(storedPrecomputation);}
Integer Exponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent) const;
Integer CascadeExponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent, const DL_FixedBasePrecomputation<Integer> &pc2, const Integer &exponent2) const
{
CRYPTOPP_UNUSED(group); CRYPTOPP_UNUSED(exponent); CRYPTOPP_UNUSED(pc2); CRYPTOPP_UNUSED(exponent2);
// shouldn't be called
throw NotImplemented("DL_BasePrecomputation_LUC: CascadeExponentiate not implemented");
}
private:
Integer m_g;
};
/// \brief LUC GroupParameters specialization
/// \since Crypto++ 2.1
class DL_GroupParameters_LUC : public DL_GroupParameters_IntegerBasedImpl<DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC>
{
public:
virtual ~DL_GroupParameters_LUC() {}
// DL_GroupParameters
bool IsIdentity(const Integer &element) const {return element == Integer::Two();}
void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const;
Element MultiplyElements(const Element &a, const Element &b) const
{
CRYPTOPP_UNUSED(a); CRYPTOPP_UNUSED(b);
throw NotImplemented("LUC_GroupParameters: MultiplyElements can not be implemented");
}
Element CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const
{
CRYPTOPP_UNUSED(element1); CRYPTOPP_UNUSED(exponent1); CRYPTOPP_UNUSED(element2); CRYPTOPP_UNUSED(exponent2);
throw NotImplemented("LUC_GroupParameters: MultiplyElements can not be implemented");
}
// NameValuePairs interface
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
{
return GetValueHelper<DL_GroupParameters_IntegerBased>(this, name, valueType, pValue).Assignable();
}
private:
int GetFieldType() const {return 2;}
};
/// \brief GF(p) group parameters that default to safe primes
/// \since Crypto++ 2.1
class DL_GroupParameters_LUC_DefaultSafePrime : public DL_GroupParameters_LUC
{
public:
typedef NoCofactorMultiplication DefaultCofactorOption;
protected:
unsigned int GetDefaultSubgroupOrderSize(unsigned int modulusSize) const {return modulusSize-1;}
};
/// \brief LUC HMP signature algorithm
/// \since Crypto++ 2.1
class DL_Algorithm_LUC_HMP : public DL_ElgamalLikeSignatureAlgorithm<Integer>
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "LUC-HMP";}
virtual ~DL_Algorithm_LUC_HMP() {}
void Sign(const DL_GroupParameters<Integer> &params, const Integer &x, const Integer &k, const Integer &e, Integer &r, Integer &s) const;
bool Verify(const DL_GroupParameters<Integer> &params, const DL_PublicKey<Integer> &publicKey, const Integer &e, const Integer &r, const Integer &s) const;
size_t RLen(const DL_GroupParameters<Integer> &params) const
{return params.GetGroupOrder().ByteCount();}
};
/// \brief LUC signature keys
/// \since Crypto++ 2.1
struct DL_SignatureKeys_LUC
{
typedef DL_GroupParameters_LUC GroupParameters;
typedef DL_PublicKey_GFP<GroupParameters> PublicKey;
typedef DL_PrivateKey_GFP<GroupParameters> PrivateKey;
};
/// \brief LUC-HMP, based on "Digital signature schemes based on Lucas functions" by Patrick Horster, Markus Michels, Holger Petersen
/// \tparam H hash transformation
/// \details This class is here for historical and pedagogical interest. It has no practical advantages over other
/// trapdoor functions and probably shouldn't be used in production software. The discrete log based LUC schemes
/// defined later in this .h file may be of more practical interest.
/// \since Crypto++ 2.1
template <class H>
struct LUC_HMP : public DL_SS<DL_SignatureKeys_LUC, DL_Algorithm_LUC_HMP, DL_SignatureMessageEncodingMethod_DSA, H>
{
};
/// \brief LUC encryption keys
/// \since Crypto++ 2.1
struct DL_CryptoKeys_LUC
{
typedef DL_GroupParameters_LUC_DefaultSafePrime GroupParameters;
typedef DL_PublicKey_GFP<GroupParameters> PublicKey;
typedef DL_PrivateKey_GFP<GroupParameters> PrivateKey;
};
/// \brief LUC Integrated Encryption Scheme
/// \tparam COFACTOR_OPTION cofactor multiplication option
/// \tparam HASH HashTransformation derived class used for key drivation and MAC computation
/// \tparam DHAES_MODE flag indicating if the MAC includes additional context parameters such as <em>u·V</em>, <em>v·U</em> and label
/// \tparam LABEL_OCTETS flag indicating if the label size is specified in octets or bits
/// \sa CofactorMultiplicationOption
/// \since Crypto++ 2.1, Crypto++ 5.7 for Bouncy Castle and Botan compatibility
template <class HASH = SHA1, class COFACTOR_OPTION = NoCofactorMultiplication, bool DHAES_MODE = true, bool LABEL_OCTETS = false>
struct LUC_IES
: public DL_ES<
DL_CryptoKeys_LUC,
DL_KeyAgreementAlgorithm_DH<Integer, COFACTOR_OPTION>,
DL_KeyDerivationAlgorithm_P1363<Integer, DHAES_MODE, P1363_KDF2<HASH> >,
DL_EncryptionAlgorithm_Xor<HMAC<HASH>, DHAES_MODE, LABEL_OCTETS>,
LUC_IES<> >
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "LUC-IES";} // non-standard name
};
// ********************************************************
/// \brief LUC-DH
typedef DH_Domain<DL_GroupParameters_LUC_DefaultSafePrime> LUC_DH;
NAMESPACE_END
#if CRYPTOPP_MSC_VERSION
# pragma warning(pop)
#endif
#endif

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// mars.h - originally written and placed in the public domain by Wei Dai
/// \file mars.h
/// \brief Classes for the MARS block cipher (IBM AES submission)
/// \since Crypto++ 3.0
#ifndef CRYPTOPP_MARS_H
#define CRYPTOPP_MARS_H
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
/// \brief MARS block cipher information
/// \since Crypto++ 3.0
struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 8>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MARS";}
};
/// \brief MARS block cipher
/// \sa <a href="http://www.cryptopp.com/wiki/MARS">MARS</a>
/// \since Crypto++ 3.0
class MARS : public MARS_Info, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<MARS_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
protected:
static const word32 Sbox[512];
FixedSizeSecBlock<word32, 40> m_k;
};
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
typedef MARS::Encryption MARSEncryption;
typedef MARS::Decryption MARSDecryption;
NAMESPACE_END
#endif

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// md2.h - originally written and placed in the public domain by Wei Dai
/// \file md2.h
/// \brief Classes for the MD2 message digest
/// \since Crypto++ 3.0
#ifndef CRYPTOPP_MD2_H
#define CRYPTOPP_MD2_H
#include "cryptlib.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
namespace Weak1 {
/// \brief MD2 message digest
/// \sa <a href="http://www.cryptolounge.org/wiki/MD2">MD2</a>
/// \since Crypto++ 3.0
class MD2 : public HashTransformation
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MD2";}
MD2();
void Update(const byte *input, size_t length);
void TruncatedFinal(byte *hash, size_t size);
unsigned int DigestSize() const {return DIGESTSIZE;}
unsigned int BlockSize() const {return BLOCKSIZE;}
std::string AlgorithmName() const {return StaticAlgorithmName();}
CRYPTOPP_CONSTANT(DIGESTSIZE = 16);
CRYPTOPP_CONSTANT(BLOCKSIZE = 16);
private:
void Transform();
void Init();
SecByteBlock m_X, m_C, m_buf;
unsigned int m_count;
};
}
#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1
namespace Weak {using namespace Weak1;} // import Weak1 into CryptoPP::Weak
#else
using namespace Weak1; // import Weak1 into CryptoPP with warning
#ifdef __GNUC__
#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning."
#else
#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning.")
#endif
#endif
NAMESPACE_END
#endif

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