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70 lines
2.7 KiB
70 lines
2.7 KiB
// sha.h - written and placed in the public domain by Wei Dai
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//! \file
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//! \headerfile sha.h
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//! \brief Classes for SHA-1 and SHA-2 family of message digests
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#ifndef CRYPTOPP_SHA_H
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#define CRYPTOPP_SHA_H
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#include "config.h"
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#include "iterhash.h"
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NAMESPACE_BEGIN(CryptoPP)
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/// <a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a>
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class CRYPTOPP_DLL SHA1 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA1>
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{
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public:
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static void CRYPTOPP_API InitState(HashWordType *state);
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static void CRYPTOPP_API Transform(word32 *digest, const word32 *data);
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static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-1";}
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};
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typedef SHA1 SHA; // for backwards compatibility
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//! implements the SHA-256 standard
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class CRYPTOPP_DLL SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256, 32, true>
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{
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public:
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#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X32_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE) && !defined(CRYPTOPP_DISABLE_SHA_ASM)
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size_t HashMultipleBlocks(const word32 *input, size_t length);
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#endif
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static void CRYPTOPP_API InitState(HashWordType *state);
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static void CRYPTOPP_API Transform(word32 *digest, const word32 *data);
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static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-256";}
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};
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//! implements the SHA-224 standard
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class CRYPTOPP_DLL SHA224 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA224, 28, true>
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{
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public:
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#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X32_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE) && !defined(CRYPTOPP_DISABLE_SHA_ASM)
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size_t HashMultipleBlocks(const word32 *input, size_t length);
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#endif
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static void CRYPTOPP_API InitState(HashWordType *state);
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static void CRYPTOPP_API Transform(word32 *digest, const word32 *data) {SHA256::Transform(digest, data);}
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static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-224";}
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};
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//! implements the SHA-512 standard
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class CRYPTOPP_DLL SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512, 64, (CRYPTOPP_BOOL_X86|CRYPTOPP_BOOL_X32)>
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{
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public:
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static void CRYPTOPP_API InitState(HashWordType *state);
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static void CRYPTOPP_API Transform(word64 *digest, const word64 *data);
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static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-512";}
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};
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//! implements the SHA-384 standard
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class CRYPTOPP_DLL SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48, (CRYPTOPP_BOOL_X86|CRYPTOPP_BOOL_X32)>
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{
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public:
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static void CRYPTOPP_API InitState(HashWordType *state);
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static void CRYPTOPP_API Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);}
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static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-384";}
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};
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NAMESPACE_END
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#endif
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