/* 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. * * 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"#include "algorithm.hpp"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_(DIR), mode_(MODE) {}    void Process(byte*, const byte*, word32);    void SetKey(const byte* key, word32 sz, CipherDir fake = ENCRYPTION);    void SetIV(const byte* iv) { memcpy(r_, iv, BLOCK_SIZE); }private:    CipherDir dir_;    Mode      mode_;	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