drivers/staging/vt6656/rc4.h

   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 <linux/types.h>
  34
  35 typedef struct {
  36     unsigned int ux;
  37     unsigned int uy;
  38     u8 abystate[256];
  39 } RC4Ext, *PRC4Ext;
  40
  41 void rc4_init(PRC4Ext pRC4, u8 * pbyKey, unsigned int cbKey_len);
  42 unsigned int rc4_byte(PRC4Ext pRC4);
  43 void rc4_encrypt(PRC4Ext pRC4, u8 * pbyDest, u8 * pbySrc,
  44                  unsigned int cbData_len);
  45
  46 #endif /* __RC4_H__ */