release/src/router/mysql/extra/yassl/taocrypt/include/ripemd.hpp

   1 /*
   2    Copyright (C) 2000-2007 MySQL AB
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; version 2 of the License.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program; see the file COPYING. If not, write to the
  15    Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  16    MA  02110-1301  USA.
  17 */
  18
  19 /* ripemd.hpp provides RIPEMD digest support
  20 */
  21
  22 #ifndef TAO_CRYPT_RIPEMD_HPP
  23 #define TAO_CRYPT_RIPEMD_HPP
  24
  25 #include "hash.hpp"
  26
  27
  28 #if defined(TAOCRYPT_X86ASM_AVAILABLE) && defined(TAO_ASM)
  29     #define DO_RIPEMD_ASM
  30 #endif
  31
  32 namespace TaoCrypt {
  33
  34
  35 // RIPEMD160 digest
  36 class RIPEMD160 : public HASHwithTransform {
  37 public:
  38     enum { BLOCK_SIZE = 64, DIGEST_SIZE = 20, PAD_SIZE = 56,
  39            TAO_BYTE_ORDER = LittleEndianOrder };   // in Bytes
  40     RIPEMD160() : HASHwithTransform(DIGEST_SIZE / sizeof(word32), BLOCK_SIZE)
  41                 { Init(); }
  42     ByteOrder getByteOrder()  const { return ByteOrder(TAO_BYTE_ORDER); }
  43     word32    getBlockSize()  const { return BLOCK_SIZE; }
  44     word32    getDigestSize() const { return DIGEST_SIZE; }
  45     word32    getPadSize()    const { return PAD_SIZE; }
  46
  47     RIPEMD160(const RIPEMD160&);
  48     RIPEMD160& operator= (const RIPEMD160&);
  49
  50 #ifdef DO_RIPEMD_ASM
  51     void Update(const byte*, word32);
  52 #endif
  53     void Init();
  54     void Swap(RIPEMD160&);
  55 private:
  56     void Transform();
  57     void AsmTransform(const byte* data, word32 times);
  58 };
  59
  60 inline void swap(RIPEMD160& a, RIPEMD160& b)
  61 {
  62     a.Swap(b);
  63 }
  64
  65
  66 } // namespace
  67
  68 #endif // TAO_CRYPT_RIPEMD_HPP
  69