1/* 2 * File: rc4.h 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Purpose: 19 * 20 * Functions: 21 * 22 * Revision History: 23 * 24 * Author: Kyle Hsu 25 * 26 * Date: Sep 4, 2002 27 * 28 */ 29 30#ifndef __RC4_H__ 31#define __RC4_H__ 32 33#include "ttype.h" 34 35/*--------------------- Export Definitions -------------------------*/ 36/*--------------------- Export Types ------------------------------*/ 37typedef struct { 38 unsigned int ux; 39 unsigned int uy; 40 BYTE abystate[256]; 41} RC4Ext, *PRC4Ext; 42 43void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, unsigned int cbKey_len); 44unsigned int rc4_byte(PRC4Ext pRC4); 45void rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest, PBYTE pbySrc, 46 unsigned int cbData_len); 47 48#endif /* __RC4_H__ */ 49