release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/rt2860/rtmp_ckipmic.h

   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; 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 program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************
  26
  27         Module Name:
  28         rtmp_ckipmic.h
  29
  30         Abstract:
  31
  32         Revision History:
  33         Who                     When                    What
  34         --------        ----------              ----------------------------------------------
  35         Name            Date                    Modification logs
  36 */
  37 #ifndef __RTMP_CKIPMIC_H__
  38 #define __RTMP_CKIPMIC_H__
  39
  40 struct rt_mic_context {
  41         /* --- MMH context                            */
  42         u8 CK[16];              /* the key                                    */
  43         u8 coefficient[16];     /* current aes counter mode coefficients      */
  44         unsigned long long accum;       /* accumulated mic, reduced to u32 in final() */
  45         u32 position;           /* current position (byte offset) in message  */
  46         u8 part[4];             /* for conversion of message to u32 for mmh   */
  47 };
  48
  49 void xor_128(u8 *a, u8 *b, u8 *out);
  50
  51 u8 RTMPCkipSbox(u8 a);
  52
  53 void xor_32(u8 *a, u8 *b, u8 *out);
  54
  55 void next_key(u8 *key, int round);
  56
  57 void byte_sub(u8 *in, u8 *out);
  58
  59 void shift_row(u8 *in, u8 *out);
  60
  61 void mix_column(u8 *in, u8 *out);
  62
  63 #endif /*__RTMP_CKIPMIC_H__ */