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/*
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA.
*/
/* ripemd.hpp provides RIPEMD digest support
*/
#ifndef TAO_CRYPT_RIPEMD_HPP
#define TAO_CRYPT_RIPEMD_HPP
#include "hash.hpp"
#if defined(TAOCRYPT_X86ASM_AVAILABLE) && defined(TAO_ASM)
#define DO_RIPEMD_ASM
#endif
namespace TaoCrypt {
// RIPEMD160 digest
class RIPEMD160 : public HASHwithTransform {
public:
enum { BLOCK_SIZE = 64, DIGEST_SIZE = 20, PAD_SIZE = 56,
TAO_BYTE_ORDER = LittleEndianOrder }; // in Bytes
RIPEMD160() : HASHwithTransform(DIGEST_SIZE / sizeof(word32), BLOCK_SIZE)
{ Init(); }
ByteOrder getByteOrder() const { return ByteOrder(TAO_BYTE_ORDER); }
word32 getBlockSize() const { return BLOCK_SIZE; }
word32 getDigestSize() const { return DIGEST_SIZE; }
word32 getPadSize() const { return PAD_SIZE; }
RIPEMD160(const RIPEMD160&);
RIPEMD160& operator= (const RIPEMD160&);
#ifdef DO_RIPEMD_ASM
void Update(const byte*, word32);
#endif
void Init();
void Swap(RIPEMD160&);
private:
void Transform();
void AsmTransform(const byte* data, word32 times);
};
inline void swap(RIPEMD160& a, RIPEMD160& b)
{
a.Swap(b);
}
} // namespace
#endif // TAO_CRYPT_RIPEMD_HPP
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