rbutil/ipodpatcher/arc4.h

   1 /*
   2    arc4.h - based on matrixssl-1-8-3-open
   3
   4 */
   5
   6 /*
   7  *  Copyright (c) PeerSec Networks, 2002-2007. All Rights Reserved.
   8  *  The latest version of this code is available at http://www.matrixssl.org
   9  *
  10  *  This software is open source; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This General Public License does NOT permit incorporating this software
  16  *  into proprietary programs.  If you are unable to comply with the GPL, a
  17  *  commercial license for this software may be purchased from PeerSec Networks
  18  *  at http://www.peersec.com
  19  *
  20  *  This program is distributed in WITHOUT ANY WARRANTY; without even the
  21  *  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  22  *  See the GNU General Public License for more details.
  23  *
  24  *  You should have received a copy of the GNU General Public License
  25  *  along with this program; if not, write to the Free Software
  26  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  27  *  http://www.gnu.org/copyleft/gpl.html
  28  */
  29 /*****************************************************************************/
  30
  31 #ifndef _ARC4_H
  32
  33 #include <stdint.h>
  34
  35 struct rc4_key_t
  36 {
  37     unsigned char   state[256];
  38     uint32_t  byteCount;
  39     unsigned char   x;
  40     unsigned char   y;
  41 };
  42
  43 void matrixArc4Init(struct rc4_key_t *ctx, unsigned char *key, int32_t keylen);
  44 int32_t matrixArc4(struct rc4_key_t *ctx, unsigned char *in,
  45                    unsigned char *out, int32_t len);
  46
  47 #endif