mirror of
https://github.com/MariaDB/server.git
synced 2025-01-23 23:34:34 +01:00
751d00c47e
- Replace SawTooth copyright header with MySQL's - Bug#19209 Test 'rpl_openssl' hangs on Windows - Spurious "2013 Connection to server lost" errors fixed yaSSL doesn't close socket anymore, that is left to the application
94 lines
2.5 KiB
C++
94 lines
2.5 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.
|
|
*/
|
|
|
|
/* twofish.hpp defines Twofish
|
|
*/
|
|
|
|
|
|
#ifndef TAO_CRYPT_TWOFISH_HPP
|
|
#define TAO_CRYPT_TWOFISH_HPP
|
|
|
|
#include "misc.hpp"
|
|
#include "modes.hpp"
|
|
#ifdef USE_SYS_STL
|
|
#include <algorithm>
|
|
#else
|
|
#include "algorithm.hpp"
|
|
#endif
|
|
|
|
|
|
namespace STL = STL_NAMESPACE;
|
|
|
|
|
|
#if defined(TAOCRYPT_X86ASM_AVAILABLE) && defined(TAO_ASM)
|
|
#define DO_TWOFISH_ASM
|
|
#endif
|
|
|
|
namespace TaoCrypt {
|
|
|
|
enum { TWOFISH_BLOCK_SIZE = 16 };
|
|
|
|
|
|
// Twofish encryption and decryption, see
|
|
class Twofish : public Mode_BASE {
|
|
public:
|
|
enum { BLOCK_SIZE = TWOFISH_BLOCK_SIZE };
|
|
|
|
Twofish(CipherDir DIR, Mode MODE)
|
|
: Mode_BASE(BLOCK_SIZE, DIR, MODE) {}
|
|
|
|
#ifdef DO_TWOFISH_ASM
|
|
void Process(byte*, const byte*, word32);
|
|
#endif
|
|
void SetKey(const byte* key, word32 sz, CipherDir fake = ENCRYPTION);
|
|
void SetIV(const byte* iv) { memcpy(r_, iv, BLOCK_SIZE); }
|
|
private:
|
|
static const byte q_[2][256];
|
|
static const word32 mds_[4][256];
|
|
|
|
word32 k_[40];
|
|
word32 s_[4][256];
|
|
|
|
static word32 h0(word32 x, const word32 *key, unsigned int kLen);
|
|
static word32 h(word32 x, const word32 *key, unsigned int kLen);
|
|
|
|
void ProcessAndXorBlock(const byte*, const byte*, byte*) const;
|
|
|
|
void encrypt(const byte*, const byte*, byte*) const;
|
|
void decrypt(const byte*, const byte*, byte*) const;
|
|
|
|
void AsmEncrypt(const byte* inBlock, byte* outBlock) const;
|
|
void AsmDecrypt(const byte* inBlock, byte* outBlock) const;
|
|
|
|
Twofish(const Twofish&); // hide copy
|
|
Twofish& operator=(const Twofish&); // and assign
|
|
};
|
|
|
|
|
|
typedef BlockCipher<ENCRYPTION, Twofish, ECB> Twofish_ECB_Encryption;
|
|
typedef BlockCipher<DECRYPTION, Twofish, ECB> Twofish_ECB_Decryption;
|
|
|
|
typedef BlockCipher<ENCRYPTION, Twofish, CBC> Twofish_CBC_Encryption;
|
|
typedef BlockCipher<DECRYPTION, Twofish, CBC> Twofish_CBC_Decryption;
|
|
|
|
|
|
|
|
} // naemspace
|
|
|
|
#endif // TAO_CRYPT_TWOFISH_HPP
|
|
|