00001 #ifndef CRYPTOPP_SHA_H
00002 #define CRYPTOPP_SHA_H
00003
00004 #include "iterhash.h"
00005
00006 NAMESPACE_BEGIN(CryptoPP)
00007
00008
00009 class CRYPTOPP_DLL SHA : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA>
00010 {
00011 public:
00012 static void InitState(HashWordType *state);
00013 static void Transform(word32 *digest, const word32 *data);
00014 static const char *StaticAlgorithmName() {return "SHA-1";}
00015 };
00016
00017 typedef SHA SHA1;
00018
00019
00020 class SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256>
00021 {
00022 public:
00023 static void InitState(HashWordType *state);
00024 static void Transform(word32 *digest, const word32 *data);
00025 static const char *StaticAlgorithmName() {return "SHA-256";}
00026
00027 protected:
00028 static const word32 K[64];
00029 };
00030
00031 #ifdef WORD64_AVAILABLE
00032
00033
00034 class SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512>
00035 {
00036 public:
00037 static void InitState(HashWordType *state);
00038 static void Transform(word64 *digest, const word64 *data);
00039 static const char *StaticAlgorithmName() {return "SHA-512";}
00040
00041 protected:
00042 static const word64 K[80];
00043 };
00044
00045
00046 class SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48>
00047 {
00048 public:
00049 static void InitState(HashWordType *state);
00050 static void Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);}
00051 static const char *StaticAlgorithmName() {return "SHA-384";}
00052 };
00053
00054 #endif
00055
00056 NAMESPACE_END
00057
00058 #endif