mirror of
https://github.com/MariaDB/server.git
synced 2025-01-23 23:34:34 +01:00
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
/*
|
|
Copyright (C) 2000-2007 MySQL AB
|
|
|
|
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.
|
|
*/
|
|
|
|
/* hash.hpp provides a base for digest types
|
|
*/
|
|
|
|
|
|
#ifndef TAO_CRYPT_HASH_HPP
|
|
#define TAO_CRYPT_HASH_HPP
|
|
|
|
#include "misc.hpp"
|
|
|
|
namespace TaoCrypt {
|
|
|
|
|
|
// HASH
|
|
class HASH : public virtual_base {
|
|
public:
|
|
virtual ~HASH() {}
|
|
|
|
virtual void Update(const byte*, word32) = 0;
|
|
virtual void Final(byte*) = 0;
|
|
|
|
virtual void Init() = 0;
|
|
|
|
virtual word32 getBlockSize() const = 0;
|
|
virtual word32 getDigestSize() const = 0;
|
|
};
|
|
|
|
|
|
// HASH with Transform
|
|
class HASHwithTransform : public HASH {
|
|
public:
|
|
HASHwithTransform(word32 digSz, word32 buffSz);
|
|
virtual ~HASHwithTransform() {}
|
|
virtual ByteOrder getByteOrder() const = 0;
|
|
virtual word32 getPadSize() const = 0;
|
|
|
|
virtual void Update(const byte*, word32);
|
|
virtual void Final(byte*);
|
|
|
|
word32 GetBitCountLo() const { return loLen_ << 3; }
|
|
word32 GetBitCountHi() const { return (loLen_ >> (8*sizeof(loLen_) - 3)) +
|
|
(hiLen_ << 3); }
|
|
enum { MaxDigestSz = 8, MaxBufferSz = 64 };
|
|
protected:
|
|
typedef word32 HashLengthType;
|
|
word32 buffLen_; // in bytes
|
|
HashLengthType loLen_; // length in bytes
|
|
HashLengthType hiLen_; // length in bytes
|
|
word32 digest_[MaxDigestSz];
|
|
word32 buffer_[MaxBufferSz / sizeof(word32)];
|
|
|
|
virtual void Transform() = 0;
|
|
|
|
void AddLength(word32);
|
|
};
|
|
|
|
|
|
#ifdef WORD64_AVAILABLE
|
|
|
|
// 64-bit HASH with Transform
|
|
class HASH64withTransform : public HASH {
|
|
public:
|
|
HASH64withTransform(word32 digSz, word32 buffSz);
|
|
virtual ~HASH64withTransform() {}
|
|
virtual ByteOrder getByteOrder() const = 0;
|
|
virtual word32 getPadSize() const = 0;
|
|
|
|
virtual void Update(const byte*, word32);
|
|
virtual void Final(byte*);
|
|
|
|
word32 GetBitCountLo() const { return loLen_ << 3; }
|
|
word32 GetBitCountHi() const { return (loLen_ >> (8*sizeof(loLen_) - 3)) +
|
|
(hiLen_ << 3); }
|
|
enum { MaxDigestSz = 8, MaxBufferSz = 128 };
|
|
protected:
|
|
typedef word32 HashLengthType;
|
|
word32 buffLen_; // in bytes
|
|
HashLengthType loLen_; // length in bytes
|
|
HashLengthType hiLen_; // length in bytes
|
|
word64 digest_[MaxDigestSz];
|
|
word64 buffer_[MaxBufferSz / sizeof(word64)];
|
|
|
|
virtual void Transform() = 0;
|
|
|
|
void AddLength(word32);
|
|
};
|
|
|
|
#endif // WORD64_AVAILABLE
|
|
|
|
|
|
} // namespace
|
|
|
|
#endif // TAO_CRYPT_HASH_HPP
|