~ubuntu-branches/debian/squeeze/pycryptopp/squeeze

#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