release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/vt6656/key.h

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *
  20  * File: key.h
  21  *
  22  * Purpose: Implement functions for 802.11i Key management
  23  *
  24  * Author: Jerry Chen
  25  *
  26  * Date: May 29, 2003
  27  *
  28  */
  29
  30 #ifndef __KEY_H__
  31 #define __KEY_H__
  32
  33 #include "ttype.h"
  34 #include "tether.h"
  35 #include "80211mgr.h"
  36
  37 /*---------------------  Export Definitions -------------------------*/
  38 #define MAX_GROUP_KEY       4
  39 #define MAX_KEY_TABLE       11
  40 #define MAX_KEY_LEN         32
  41 #define AES_KEY_LEN         16
  42
  43
  44 #define AUTHENTICATOR_KEY   0x10000000
  45 #define USE_KEYRSC          0x20000000
  46 #define PAIRWISE_KEY        0x40000000
  47 #define TRANSMIT_KEY        0x80000000
  48
  49 #define GROUP_KEY           0x00000000
  50
  51 #define KEY_CTL_WEP         0x00
  52 #define KEY_CTL_NONE        0x01
  53 #define KEY_CTL_TKIP        0x02
  54 #define KEY_CTL_CCMP        0x03
  55 #define KEY_CTL_INVALID     0xFF
  56
  57
  58 typedef struct tagSKeyItem
  59 {
  60     BOOL        bKeyValid;
  61     unsigned long       uKeyLength;
  62     BYTE        abyKey[MAX_KEY_LEN];
  63     QWORD       KeyRSC;
  64     DWORD       dwTSC47_16;
  65     WORD        wTSC15_0;
  66     BYTE        byCipherSuite;
  67     BYTE        byReserved0;
  68     DWORD       dwKeyIndex;
  69     void *pvKeyTable;
  70 } SKeyItem, *PSKeyItem; //64
  71
  72 typedef struct tagSKeyTable
  73 {
  74     BYTE        abyBSSID[ETH_ALEN];  /* 6 */
  75     BYTE        byReserved0[2];              //8
  76     SKeyItem    PairwiseKey;
  77     SKeyItem    GroupKey[MAX_GROUP_KEY]; //64*5 = 320, 320+8=328
  78     DWORD       dwGTKeyIndex;            // GroupTransmitKey Index
  79     BOOL        bInUse;
  80     WORD        wKeyCtl;
  81     BOOL        bSoftWEP;
  82     BYTE        byReserved1[6];
  83 } SKeyTable, *PSKeyTable; //352
  84
  85 typedef struct tagSKeyManagement
  86 {
  87     SKeyTable   KeyTable[MAX_KEY_TABLE];
  88 } SKeyManagement, *PSKeyManagement;
  89
  90 /*---------------------  Export Types  ------------------------------*/
  91
  92 /*---------------------  Export Macros ------------------------------*/
  93
  94 /*---------------------  Export Classes  ----------------------------*/
  95
  96 /*---------------------  Export Variables  --------------------------*/
  97
  98 /*---------------------  Export Functions  --------------------------*/
  99
 100 void KeyvInitTable(void *pDeviceHandler, PSKeyManagement pTable);
 101
 102 BOOL KeybGetKey(PSKeyManagement pTable, PBYTE pbyBSSID, DWORD dwKeyIndex,
 103                 PSKeyItem *pKey);
 104
 105 BOOL KeybSetKey(
 106     void *pDeviceHandler,
 107     PSKeyManagement pTable,
 108     PBYTE           pbyBSSID,
 109     DWORD           dwKeyIndex,
 110     unsigned long           uKeyLength,
 111     PQWORD          pKeyRSC,
 112     PBYTE           pbyKey,
 113     BYTE            byKeyDecMode
 114     );
 115
 116 BOOL KeybRemoveKey(
 117     void *pDeviceHandler,
 118     PSKeyManagement pTable,
 119     PBYTE           pbyBSSID,
 120     DWORD           dwKeyIndex
 121     );
 122
 123 BOOL KeybRemoveAllKey(
 124     void *pDeviceHandler,
 125     PSKeyManagement pTable,
 126     PBYTE           pbyBSSID
 127     );
 128
 129 void KeyvRemoveWEPKey(
 130     void *pDeviceHandler,
 131     PSKeyManagement pTable,
 132     DWORD           dwKeyIndex
 133     );
 134
 135 void KeyvRemoveAllWEPKey(
 136     void *pDeviceHandler,
 137     PSKeyManagement pTable
 138     );
 139
 140 BOOL KeybGetTransmitKey(PSKeyManagement pTable, PBYTE pbyBSSID, DWORD dwKeyType,
 141                         PSKeyItem *pKey);
 142
 143 BOOL KeybCheckPairewiseKey(PSKeyManagement pTable, PSKeyItem *pKey);
 144
 145 BOOL KeybSetDefaultKey(
 146     void *pDeviceHandler,
 147     PSKeyManagement pTable,
 148     DWORD           dwKeyIndex,
 149     unsigned long           uKeyLength,
 150     PQWORD          pKeyRSC,
 151     PBYTE           pbyKey,
 152     BYTE            byKeyDecMode
 153     );
 154
 155 BOOL KeybSetAllGroupKey(
 156     void *pDeviceHandler,
 157     PSKeyManagement pTable,
 158     DWORD           dwKeyIndex,
 159     unsigned long           uKeyLength,
 160     PQWORD          pKeyRSC,
 161     PBYTE           pbyKey,
 162     BYTE            byKeyDecMode
 163     );
 164
 165 #endif /* __KEY_H__ */