diff options
Diffstat (limited to 'CryptoPP/vmac.h')
-rw-r--r-- | CryptoPP/vmac.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/CryptoPP/vmac.h b/CryptoPP/vmac.h deleted file mode 100644 index 07240173c..000000000 --- a/CryptoPP/vmac.h +++ /dev/null @@ -1,68 +0,0 @@ -#ifndef CRYPTOPP_VMAC_H -#define CRYPTOPP_VMAC_H - -#include "iterhash.h" -#include "seckey.h" - -NAMESPACE_BEGIN(CryptoPP) - -/// . -class VMAC_Base : public IteratedHashBase<word64, MessageAuthenticationCode> -{ -public: - std::string AlgorithmName() const {return std::string("VMAC(") + GetCipher().AlgorithmName() + ")-" + IntToString(DigestSize()*8);} - unsigned int IVSize() const {return GetCipher().BlockSize();} - unsigned int MinIVLength() const {return 1;} - void Resynchronize(const byte *nonce, int length=-1); - void GetNextIV(RandomNumberGenerator &rng, byte *IV); - unsigned int DigestSize() const {return m_is128 ? 16 : 8;}; - void UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs ¶ms); - void TruncatedFinal(byte *mac, size_t size); - unsigned int BlockSize() const {return m_L1KeyLength;} - ByteOrder GetByteOrder() const {return LITTLE_ENDIAN_ORDER;} - -protected: - virtual BlockCipher & AccessCipher() =0; - virtual int DefaultDigestSize() const =0; - const BlockCipher & GetCipher() const {return const_cast<VMAC_Base *>(this)->AccessCipher();} - void HashEndianCorrectedBlock(const word64 *data); - size_t HashMultipleBlocks(const word64 *input, size_t length); - void Init() {} - word64* StateBuf() {return NULL;} - word64* DataBuf() {return (word64 *)m_data();} - - void VHASH_Update_SSE2(const word64 *data, size_t blocksRemainingInWord64, int tagPart); -#if !(defined(_MSC_VER) && _MSC_VER < 1300) // can't use function template here with VC6 - template <bool T_128BitTag> -#endif - void VHASH_Update_Template(const word64 *data, size_t blockRemainingInWord128); - void VHASH_Update(const word64 *data, size_t blocksRemainingInWord128); - - CRYPTOPP_BLOCK_1(polyState, word64, 4*(m_is128+1)) - CRYPTOPP_BLOCK_2(nhKey, word64, m_L1KeyLength/sizeof(word64) + 2*m_is128) - CRYPTOPP_BLOCK_3(data, byte, m_L1KeyLength) - CRYPTOPP_BLOCK_4(l3Key, word64, 2*(m_is128+1)) - CRYPTOPP_BLOCK_5(nonce, byte, IVSize()) - CRYPTOPP_BLOCK_6(pad, byte, IVSize()) - CRYPTOPP_BLOCKS_END(6) - - bool m_is128, m_padCached, m_isFirstBlock; - int m_L1KeyLength; -}; - -/// <a href="http://www.cryptolounge.org/wiki/VMAC">VMAC</a> -template <class T_BlockCipher, int T_DigestBitSize = 128> -class VMAC : public SimpleKeyingInterfaceImpl<VMAC_Base, SameKeyLengthAs<T_BlockCipher, SimpleKeyingInterface::UNIQUE_IV, T_BlockCipher::BLOCKSIZE> > -{ -public: - static std::string StaticAlgorithmName() {return std::string("VMAC(") + T_BlockCipher::StaticAlgorithmName() + ")-" + IntToString(T_DigestBitSize);} - -private: - BlockCipher & AccessCipher() {return m_cipher;} - int DefaultDigestSize() const {return T_DigestBitSize/8;} - typename T_BlockCipher::Encryption m_cipher; -}; - -NAMESPACE_END - -#endif |