ext-cryptopp/sha.h
2009-03-13 02:55:23 +00:00

64 lines
2.4 KiB
C++

#ifndef CRYPTOPP_SHA_H
#define CRYPTOPP_SHA_H
#include "iterhash.h"
NAMESPACE_BEGIN(CryptoPP)
/// <a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a>
class CRYPTOPP_DLL SHA1 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA1>
{
public:
static void CRYPTOPP_API InitState(HashWordType *state);
static void CRYPTOPP_API Transform(word32 *digest, const word32 *data);
static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-1";}
};
typedef SHA1 SHA; // for backwards compatibility
//! implements the SHA-256 standard
class CRYPTOPP_DLL SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256, 32, true>
{
public:
#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE)
size_t HashMultipleBlocks(const word32 *input, size_t length);
#endif
static void CRYPTOPP_API InitState(HashWordType *state);
static void CRYPTOPP_API Transform(word32 *digest, const word32 *data);
static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-256";}
};
//! implements the SHA-224 standard
class CRYPTOPP_DLL SHA224 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA224, 28, true>
{
public:
#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE)
size_t HashMultipleBlocks(const word32 *input, size_t length);
#endif
static void CRYPTOPP_API InitState(HashWordType *state);
static void CRYPTOPP_API Transform(word32 *digest, const word32 *data) {SHA256::Transform(digest, data);}
static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-224";}
};
//! implements the SHA-512 standard
class CRYPTOPP_DLL SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512, 64, CRYPTOPP_BOOL_X86>
{
public:
static void CRYPTOPP_API InitState(HashWordType *state);
static void CRYPTOPP_API Transform(word64 *digest, const word64 *data);
static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-512";}
};
//! implements the SHA-384 standard
class CRYPTOPP_DLL SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48, CRYPTOPP_BOOL_X86>
{
public:
static void CRYPTOPP_API InitState(HashWordType *state);
static void CRYPTOPP_API Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);}
static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-384";}
};
NAMESPACE_END
#endif