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   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 typedef struct  _MIC_CONTEXT    {
  41         /* --- MMH context                            */
  42         UCHAR           CK[16];                         /* the key                                    */
  43         UCHAR           coefficient[16];        /* current aes counter mode coefficients      */
  44         ULONGLONG       accum;                          /* accumulated mic, reduced to u32 in final() */
  45         UINT            position;                       /* current position (byte offset) in message  */
  46         UCHAR           part[4];                        /* for conversion of message to u32 for mmh   */
  47 }       MIC_CONTEXT, *PMIC_CONTEXT;
  48
  49 VOID    CKIP_key_permute(
  50         OUT     UCHAR   *PK,                    /* output permuted key */
  51         IN      UCHAR   *CK,                    /* input CKIP key */
  52         IN      UCHAR   toDsFromDs,             /* input toDs/FromDs bits */
  53         IN      UCHAR   *piv);                  /* input pointer to IV */
  54
  55 VOID    RTMPCkipMicInit(
  56         IN      PMIC_CONTEXT            pContext,
  57         IN      PUCHAR                          CK);
  58
  59 VOID RTMPMicUpdate(
  60     IN  PMIC_CONTEXT        pContext,
  61     IN  PUCHAR              pOctets,
  62     IN  INT                 len);
  63
  64 ULONG RTMPMicGetCoefficient(
  65     IN  PMIC_CONTEXT         pContext);
  66
  67 VOID xor_128(
  68     IN  PUCHAR              a,
  69     IN  PUCHAR              b,
  70     OUT PUCHAR              out);
  71
  72 UCHAR RTMPCkipSbox(
  73     IN  UCHAR               a);
  74
  75 VOID xor_32(
  76     IN  PUCHAR              a,
  77     IN  PUCHAR              b,
  78     OUT PUCHAR              out);
  79
  80 VOID next_key(
  81     IN  PUCHAR              key,
  82     IN  INT                 round);
  83
  84 VOID byte_sub(
  85     IN  PUCHAR              in,
  86     OUT PUCHAR              out);
  87
  88 VOID shift_row(
  89     IN  PUCHAR              in,
  90     OUT PUCHAR              out);
  91
  92 VOID mix_column(
  93     IN  PUCHAR              in,
  94     OUT PUCHAR              out);
  95
  96 VOID RTMPAesEncrypt(
  97     IN  PUCHAR              key,
  98     IN  PUCHAR              data,
  99     IN  PUCHAR              ciphertext);
 100
 101 VOID RTMPMicFinal(
 102     IN  PMIC_CONTEXT        pContext,
 103     OUT UCHAR               digest[4]);
 104
 105 VOID RTMPCkipInsertCMIC(
 106     IN  PRTMP_ADAPTER   pAd,
 107     OUT PUCHAR          pMIC,
 108     IN  PUCHAR          p80211hdr,
 109     IN  PNDIS_PACKET    pPacket,
 110     IN  PCIPHER_KEY     pKey,
 111     IN  PUCHAR          mic_snap);
 112
 113 #endif //__RTMP_CKIPMIC_H__