Remove cryptoppwin submodule (#754)

third_party/cryptoppwin/include/cryptopp/ccm.h

@@ -0,0 +1,123 @@
+// 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