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author | Mattes D <github@xoft.cz> | 2014-01-25 22:05:16 +0100 |
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committer | Mattes D <github@xoft.cz> | 2014-01-25 22:05:16 +0100 |
commit | 437a9c8d1f13cc7770a95534dbf71b78685edfe7 (patch) | |
tree | 68b0e13a46f3936bb772106c0ca8d8e74aba2b8e /lib/cryptopp/crc.h | |
parent | Merge pull request #581 from worktycho/strerror (diff) | |
parent | ProtoProxy: Modified to use PolarSSL. (diff) | |
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Diffstat (limited to 'lib/cryptopp/crc.h')
-rw-r--r-- | lib/cryptopp/crc.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/lib/cryptopp/crc.h b/lib/cryptopp/crc.h deleted file mode 100644 index f75ea384c..000000000 --- a/lib/cryptopp/crc.h +++ /dev/null @@ -1,42 +0,0 @@ -#ifndef CRYPTOPP_CRC32_H -#define CRYPTOPP_CRC32_H - -#include "cryptlib.h" - -NAMESPACE_BEGIN(CryptoPP) - -const word32 CRC32_NEGL = 0xffffffffL; - -#ifdef IS_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 - -//! CRC Checksum Calculation -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;} - static const char * StaticAlgorithmName() {return "CRC32";} - std::string AlgorithmName() const {return StaticAlgorithmName();} - - void UpdateByte(byte b) {m_crc = m_tab[CRC32_INDEX(m_crc) ^ b] ^ CRC32_SHIFTED(m_crc);} - byte GetCrcByte(size_t i) const {return ((byte *)&(m_crc))[i];} - -private: - void Reset() {m_crc = CRC32_NEGL;} - - static const word32 m_tab[256]; - word32 m_crc; -}; - -NAMESPACE_END - -#endif |