diff options
Diffstat (limited to 'sha.h')
| -rw-r--r-- | sha.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/sha.h b/sha.h deleted file mode 100644 index 4e56b56d9c..0000000000 --- a/sha.h +++ /dev/null @@ -1,177 +0,0 @@ -// This file is public domain
-// SHA routines extracted as a standalone file from:
-// Crypto++: a C++ Class Library of Cryptographic Schemes
-// Version 5.5.2 (9/24/2007)
-// http://www.cryptopp.com
-#ifndef CRYPTOPP_SHA_H
-#define CRYPTOPP_SHA_H
-#include <stdlib.h>
-
-namespace CryptoPP
-{
-
-//
-// Dependencies
-//
-
-typedef unsigned char byte;
-typedef unsigned short word16;
-typedef unsigned int word32;
-#if defined(_MSC_VER) || defined(__BORLANDC__)
-typedef unsigned __int64 word64;
-#else
-typedef unsigned long long word64;
-#endif
-
-template <class T> inline T rotlFixed(T x, unsigned int y)
-{
- assert(y < sizeof(T)*8);
- return T((x<<y) | (x>>(sizeof(T)*8-y)));
-}
-
-template <class T> inline T rotrFixed(T x, unsigned int y)
-{
- assert(y < sizeof(T)*8);
- return T((x>>y) | (x<<(sizeof(T)*8-y)));
-}
-
-// ************** endian reversal ***************
-
-#ifdef _MSC_VER
- #if _MSC_VER >= 1400
- #define CRYPTOPP_FAST_ROTATE(x) 1
- #elif _MSC_VER >= 1300
- #define CRYPTOPP_FAST_ROTATE(x) ((x) == 32 | (x) == 64)
- #else
- #define CRYPTOPP_FAST_ROTATE(x) ((x) == 32)
- #endif
-#elif (defined(__MWERKS__) && TARGET_CPU_PPC) || \
- (defined(__GNUC__) && (defined(_ARCH_PWR2) || defined(_ARCH_PWR) || defined(_ARCH_PPC) || defined(_ARCH_PPC64) || defined(_ARCH_COM)))
- #define CRYPTOPP_FAST_ROTATE(x) ((x) == 32)
-#elif defined(__GNUC__) && (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86) // depend on GCC's peephole optimization to generate rotate instructions
- #define CRYPTOPP_FAST_ROTATE(x) 1
-#else
- #define CRYPTOPP_FAST_ROTATE(x) 0
-#endif
-
-inline byte ByteReverse(byte value)
-{
- return value;
-}
-
-inline word16 ByteReverse(word16 value)
-{
-#ifdef CRYPTOPP_BYTESWAP_AVAILABLE
- return bswap_16(value);
-#elif defined(_MSC_VER) && _MSC_VER >= 1300
- return _byteswap_ushort(value);
-#else
- return rotlFixed(value, 8U);
-#endif
-}
-
-inline word32 ByteReverse(word32 value)
-{
-#if defined(__GNUC__)
- __asm__ ("bswap %0" : "=r" (value) : "0" (value));
- return value;
-#elif defined(CRYPTOPP_BYTESWAP_AVAILABLE)
- return bswap_32(value);
-#elif defined(__MWERKS__) && TARGET_CPU_PPC
- return (word32)__lwbrx(&value,0);
-#elif _MSC_VER >= 1400 || (_MSC_VER >= 1300 && !defined(_DLL))
- return _byteswap_ulong(value);
-#elif CRYPTOPP_FAST_ROTATE(32)
- // 5 instructions with rotate instruction, 9 without
- return (rotrFixed(value, 8U) & 0xff00ff00) | (rotlFixed(value, 8U) & 0x00ff00ff);
-#else
- // 6 instructions with rotate instruction, 8 without
- value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
- return rotlFixed(value, 16U);
-#endif
-}
-
-#ifdef WORD64_AVAILABLE
-inline word64 ByteReverse(word64 value)
-{
-#if defined(__GNUC__) && defined(__x86_64__)
- __asm__ ("bswap %0" : "=r" (value) : "0" (value));
- return value;
-#elif defined(CRYPTOPP_BYTESWAP_AVAILABLE)
- return bswap_64(value);
-#elif defined(_MSC_VER) && _MSC_VER >= 1300
- return _byteswap_uint64(value);
-#elif defined(CRYPTOPP_SLOW_WORD64)
- return (word64(ByteReverse(word32(value))) << 32) | ByteReverse(word32(value>>32));
-#else
- value = ((value & W64LIT(0xFF00FF00FF00FF00)) >> 8) | ((value & W64LIT(0x00FF00FF00FF00FF)) << 8);
- value = ((value & W64LIT(0xFFFF0000FFFF0000)) >> 16) | ((value & W64LIT(0x0000FFFF0000FFFF)) << 16);
- return rotlFixed(value, 32U);
-#endif
-}
-#endif
-
-
-//
-// SHA
-//
-
-// http://www.weidai.com/scan-mirror/md.html#SHA-1
-class SHA1
-{
-public:
- typedef word32 HashWordType;
- static void InitState(word32 *state);
- static void Transform(word32 *digest, const word32 *data);
- static const char * StaticAlgorithmName() {return "SHA-1";}
-};
-
-typedef SHA1 SHA; // for backwards compatibility
-
-// implements the SHA-256 standard
-class SHA256
-{
-public:
- typedef word32 HashWordType;
- static void InitState(word32 *state);
- static void Transform(word32 *digest, const word32 *data);
- static const char * StaticAlgorithmName() {return "SHA-256";}
-};
-
-// implements the SHA-224 standard
-class SHA224
-{
-public:
- typedef word32 HashWordType;
- static void InitState(word32 *state);
- static void Transform(word32 *digest, const word32 *data) {SHA256::Transform(digest, data);}
- static const char * StaticAlgorithmName() {return "SHA-224";}
-};
-
-#ifdef WORD64_AVAILABLE
-
-// implements the SHA-512 standard
-class SHA512
-{
-public:
- typedef word64 HashWordType;
- static void InitState(word64 *state);
- static void Transform(word64 *digest, const word64 *data);
- static const char * StaticAlgorithmName() {return "SHA-512";}
-};
-
-// implements the SHA-384 standard
-class SHA384
-{
-public:
- typedef word64 HashWordType;
- static void InitState(word64 *state);
- static void Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);}
- static const char * StaticAlgorithmName() {return "SHA-384";}
-};
-
-#endif
-
-}
-
-#endif
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