59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
#ifndef CRYPTOPP_SHA_H
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#define CRYPTOPP_SHA_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 SHA : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA>
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{
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public:
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static void InitState(HashWordType *state);
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static void Transform(word32 *digest, const word32 *data);
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static const char *StaticAlgorithmName() {return "SHA-1";}
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};
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typedef SHA SHA1;
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//! implements the SHA-256 standard
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class SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256>
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{
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public:
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static void InitState(HashWordType *state);
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static void Transform(word32 *digest, const word32 *data);
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static const char *StaticAlgorithmName() {return "SHA-256";}
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protected:
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static const word32 K[64];
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};
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#ifdef WORD64_AVAILABLE
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//! implements the SHA-512 standard
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class SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512>
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{
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public:
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static void InitState(HashWordType *state);
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static void Transform(word64 *digest, const word64 *data);
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static const char *StaticAlgorithmName() {return "SHA-512";}
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protected:
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static const word64 K[80];
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};
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//! implements the SHA-384 standard
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class SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48>
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{
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public:
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static void InitState(HashWordType *state);
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static void Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);}
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static const char *StaticAlgorithmName() {return "SHA-384";}
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};
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#endif
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NAMESPACE_END
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#endif
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