/*************************************************************************** *   Copyright (C) 2005-2006 by Tarek Saidi                                * *   tarek.saidi@arcor.de                                                  * *                                                                         * *   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; either version 2 of the License, or     * *   (at your option) any later version.                                   * *                                                                         * *   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; if not, write to the                         * *   Free Software Foundation, Inc.,                                       * *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             * ***************************************************************************/#ifndef _ARCFOUR_H_#define _ARCFOUR_H_#ifndef byte#define byte unsigned char#endifclass CArcFour{public: void encrypt(const byte* src, byte* dst,int length); inline void decrypt(const byte* src, byte* dst,int length){encrypt(src,dst,length);} //just for readability void setKey(byte* key, int length); QByteArray RawKey;private: void prepareKey(); typedef struct rc4_key{         byte state[256];         byte x;           byte y;}rc4_key; rc4_key key;};#endif