Remove cryptoppwin submodule (#754)

third_party/cryptoppwin/include/cryptopp/threefish.h

@@ -0,0 +1,201 @@
+// threefish.h - written and placed in the public domain by Jeffrey Walton
+//               Based on public domain code by Keru Kuro. Kuro's code is
+//               available at http://cppcrypto.sourceforge.net/.
+
+/// \file Threefish.h
+/// \brief Classes for the Threefish block cipher
+/// \since Crypto++ 6.0
+
+#ifndef CRYPTOPP_THREEFISH_H
+#define CRYPTOPP_THREEFISH_H
+
+#include "config.h"
+#include "seckey.h"
+#include "secblock.h"
+#include "algparam.h"
+#include "argnames.h"
+#include "stdcpp.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+/// \brief Threefish block cipher information
+/// \tparam BS block size of the cipher, in bytes
+/// \since Crypto++ 6.0
+template <unsigned int BS>
+struct Threefish_Info : public FixedBlockSize<BS>, FixedKeyLength<BS>
+{
+    static const std::string StaticAlgorithmName()
+    {
+        // Format is Cipher-Blocksize(Keylength)
+        return "Threefish-" + IntToString(BS*8) + "(" + IntToString(BS*8) + ")";
+    }
+};
+
+/// \brief Threefish block cipher base class
+/// \tparam BS block size of the cipher, in bytes
+/// \details User code should use Threefish256, Threefish512, Threefish1024
+/// \sa Threefish256, Threefish512, Threefish1024, <a href="http://www.cryptopp.com/wiki/Threefish">Threefish</a>
+/// \since Crypto++ 6.0
+template <unsigned int BS>
+struct CRYPTOPP_NO_VTABLE Threefish_Base
+{
+	virtual ~Threefish_Base() {}
+
+    void SetTweak(const NameValuePairs &params)
+    {
+        m_tweak.New(3);
+        ConstByteArrayParameter t;
+        if (params.GetValue(Name::Tweak(), t))
+        {
+            // Tweak size is fixed at 16 for Threefish
+            CRYPTOPP_ASSERT(t.size() == 16);
+            GetUserKey(LITTLE_ENDIAN_ORDER, m_tweak.begin(), 2, t.begin(), 16);
+            m_tweak[2] = m_tweak[0] ^ m_tweak[1];
+        }
+        else
+        {
+            std::memset(m_tweak.begin(), 0x00, 24);
+        }
+    }
+
+    typedef SecBlock<word64, AllocatorWithCleanup<word64, true> > AlignedSecBlock64;
+    mutable AlignedSecBlock64 m_wspace;   // workspace
+    AlignedSecBlock64         m_rkey;     // keys
+    AlignedSecBlock64         m_tweak;
+};
+
+/// \brief Threefish 256-bit block cipher
+/// \details Threefish256 provides 256-bit block size. The valid key size is 256-bit.
+/// \note Crypto++ provides a byte oriented implementation
+/// \sa Threefish512, Threefish1024, <a href="http://www.cryptopp.com/wiki/Threefish">Threefish</a>
+/// \since Crypto++ 6.0
+class CRYPTOPP_NO_VTABLE Threefish256 : public Threefish_Info<32>, public BlockCipherDocumentation
+{
+public:
+    /// \brief Threefish block cipher transformation functions
+    /// \details Provides implementation common to encryption and decryption
+    /// \since Crypto++ 6.0
+    class CRYPTOPP_NO_VTABLE Base : public Threefish_Base<32>, public BlockCipherImpl<Threefish_Info<32> >
+    {
+    protected:
+        void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);
+    };
+
+    /// \brief Encryption transformation
+    /// \details Enc provides implementation for encryption transformation. All key and block
+    ///   sizes are supported.
+    /// \since Crypto++ 6.0
+    class CRYPTOPP_NO_VTABLE Enc : public Base
+    {
+    protected:
+        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++ 6.0
+    class CRYPTOPP_NO_VTABLE Dec : public Base
+    {
+    protected:
+        void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+    };
+
+    typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+    typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef Threefish256::Encryption Threefish256Encryption;
+typedef Threefish256::Decryption Threefish256Decryption;
+
+/// \brief Threefish 512-bit block cipher
+/// \details Threefish512 provides 512-bit block size. The valid key size is 512-bit.
+/// \note Crypto++ provides a byte oriented implementation
+/// \sa Threefish256, Threefish1024, <a href="http://www.cryptopp.com/wiki/Threefish">Threefish</a>
+/// \since Crypto++ 6.0
+class CRYPTOPP_NO_VTABLE Threefish512 : public Threefish_Info<64>, public BlockCipherDocumentation
+{
+public:
+    /// \brief Threefish block cipher transformation functions
+    /// \details Provides implementation common to encryption and decryption
+    /// \since Crypto++ 6.0
+    class CRYPTOPP_NO_VTABLE Base : public Threefish_Base<64>, public BlockCipherImpl<Threefish_Info<64> >
+    {
+    protected:
+        void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);
+    };
+
+    /// \brief Encryption transformation
+    /// \details Enc provides implementation for encryption transformation. All key and block
+    ///   sizes are supported.
+    /// \since Crypto++ 6.0
+    class CRYPTOPP_NO_VTABLE Enc : public Base
+    {
+    protected:
+        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++ 6.0
+    class CRYPTOPP_NO_VTABLE Dec : public Base
+    {
+    protected:
+        void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+    };
+
+    typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+    typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef Threefish512::Encryption Threefish512Encryption;
+typedef Threefish512::Decryption Threefish512Decryption;
+
+/// \brief Threefish 1024-bit block cipher
+/// \details Threefish1024 provides 1024-bit block size. The valid key size is 1024-bit.
+/// \note Crypto++ provides a byte oriented implementation
+/// \sa Threefish256, Threefish512, <a href="http://www.cryptopp.com/wiki/Threefish">Threefish</a>
+/// \since Crypto++ 6.0
+class CRYPTOPP_NO_VTABLE Threefish1024 : public Threefish_Info<128>, public BlockCipherDocumentation
+{
+public:
+    /// \brief Threefish block cipher transformation functions
+    /// \details Provides implementation common to encryption and decryption
+    /// \since Crypto++ 6.0
+    class CRYPTOPP_NO_VTABLE Base : public Threefish_Base<128>, public BlockCipherImpl<Threefish_Info<128> >
+    {
+    protected:
+        void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);
+    };
+
+    /// \brief Encryption transformation
+    /// \details Enc provides implementation for encryption transformation. All key and block
+    ///   sizes are supported.
+    /// \since Crypto++ 6.0
+    class CRYPTOPP_NO_VTABLE Enc : public Base
+    {
+    protected:
+        void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+    };
+
+    /// \brief Encryption transformation
+    /// \details Dec provides implementation for decryption transformation. All key and block
+    ///   sizes are supported.
+    /// \since Crypto++ 6.0
+    class CRYPTOPP_NO_VTABLE Dec : public Base
+    {
+    protected:
+        void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+    };
+
+    typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+    typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef Threefish1024::Encryption Threefish1024Encryption;
+typedef Threefish1024::Decryption Threefish1024Decryption;
+
+NAMESPACE_END
+
+#endif  // CRYPTOPP_THREEFISH_H