mirror of
https://github.com/MariaDB/server.git
synced 2025-01-23 07:14:17 +01:00
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/* blowfish.hpp
|
|
*
|
|
* Copyright (C) 2003 Sawtooth Consulting Ltd.
|
|
*
|
|
* This file is part of yaSSL.
|
|
*
|
|
* yaSSL 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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* There are special exceptions to the terms and conditions of the GPL as it
|
|
* is applied to yaSSL. View the full text of the exception in the file
|
|
* FLOSS-EXCEPTIONS in the directory of this software distribution.
|
|
*
|
|
* yaSSL 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; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
|
*/
|
|
|
|
/* blowfish.hpp defines Blowfish
|
|
*/
|
|
|
|
|
|
#ifndef TAO_CRYPT_BLOWFISH_HPP
|
|
#define TAO_CRYPT_BLOWFISH_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_BLOWFISH_ASM
|
|
#endif
|
|
|
|
|
|
namespace TaoCrypt {
|
|
|
|
enum { BLOWFISH_BLOCK_SIZE = 8 };
|
|
|
|
|
|
// Blowfish encryption and decryption, see
|
|
class Blowfish : public Mode_BASE {
|
|
public:
|
|
enum { BLOCK_SIZE = BLOWFISH_BLOCK_SIZE, ROUNDS = 16 };
|
|
|
|
Blowfish(CipherDir DIR, Mode MODE)
|
|
: Mode_BASE(BLOCK_SIZE, DIR, MODE) {}
|
|
|
|
#ifdef DO_BLOWFISH_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 word32 p_init_[ROUNDS + 2];
|
|
static const word32 s_init_[4 * 256];
|
|
|
|
word32 pbox_[ROUNDS + 2];
|
|
word32 sbox_[4 * 256];
|
|
|
|
void crypt_block(const word32 in[2], word32 out[2]) const;
|
|
void AsmProcess(const byte* in, byte* out) const;
|
|
void ProcessAndXorBlock(const byte*, const byte*, byte*) const;
|
|
|
|
Blowfish(const Blowfish&); // hide copy
|
|
Blowfish& operator=(const Blowfish&); // and assign
|
|
};
|
|
|
|
|
|
typedef BlockCipher<ENCRYPTION, Blowfish, ECB> Blowfish_ECB_Encryption;
|
|
typedef BlockCipher<DECRYPTION, Blowfish, ECB> Blowfish_ECB_Decryption;
|
|
|
|
typedef BlockCipher<ENCRYPTION, Blowfish, CBC> Blowfish_CBC_Encryption;
|
|
typedef BlockCipher<DECRYPTION, Blowfish, CBC> Blowfish_CBC_Decryption;
|
|
|
|
|
|
|
|
} // naemspace
|
|
|
|
#endif // TAO_CRYPT_BLOWFISH_HPP
|
|
|