src/cryptopp/sha.h

   1 #ifndef CRYPTOPP_SHA_H
   2 #define CRYPTOPP_SHA_H
   3
   4 #include "iterhash.h"
   5
   6 NAMESPACE_BEGIN(CryptoPP)
   7
   8 /// <a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a>
   9 class CRYPTOPP_DLL SHA1 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA1>
  10 {
  11 public:
  12         static void CRYPTOPP_API InitState(HashWordType *state);
  13         static void CRYPTOPP_API Transform(word32 *digest, const word32 *data);
  14         static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-1";}
  15 };
  16
  17 typedef SHA1 SHA;       // for backwards compatibility
  18
  19 //! implements the SHA-256 standard
  20 class CRYPTOPP_DLL SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256, 32, true>
  21 {
  22 public:
  23 #if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE)
  24         size_t HashMultipleBlocks(const word32 *input, size_t length);
  25 #endif
  26         static void CRYPTOPP_API InitState(HashWordType *state);
  27         static void CRYPTOPP_API Transform(word32 *digest, const word32 *data);
  28         static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-256";}
  29 };
  30
  31 //! implements the SHA-224 standard
  32 class CRYPTOPP_DLL SHA224 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA224, 28, true>
  33 {
  34 public:
  35 #if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE)
  36         size_t HashMultipleBlocks(const word32 *input, size_t length);
  37 #endif
  38         static void CRYPTOPP_API InitState(HashWordType *state);
  39         static void CRYPTOPP_API Transform(word32 *digest, const word32 *data) {SHA256::Transform(digest, data);}
  40         static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-224";}
  41 };
  42
  43 //! implements the SHA-512 standard
  44 class CRYPTOPP_DLL SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512, 64, CRYPTOPP_BOOL_X86>
  45 {
  46 public:
  47         static void CRYPTOPP_API InitState(HashWordType *state);
  48         static void CRYPTOPP_API Transform(word64 *digest, const word64 *data);
  49         static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-512";}
  50 };
  51
  52 //! implements the SHA-384 standard
  53 class CRYPTOPP_DLL SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48, CRYPTOPP_BOOL_X86>
  54 {
  55 public:
  56         static void CRYPTOPP_API InitState(HashWordType *state);
  57         static void CRYPTOPP_API Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);}
  58         static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-384";}
  59 };
  60
  61 NAMESPACE_END
  62
  63 #endif