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key.h
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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  unsigned char abyKey[MAX_KEY_LEN];
63  QWORD KeyRSC;
64  unsigned long dwTSC47_16;
65  unsigned short wTSC15_0;
66  unsigned char byCipherSuite;
67  unsigned char byReserved0;
68  unsigned long dwKeyIndex;
69  void *pvKeyTable;
70 } SKeyItem, *PSKeyItem; //64
71 
72 typedef struct tagSKeyTable
73 {
74  unsigned char abyBSSID[ETH_ALEN]; //6
75  unsigned char byReserved0[2]; //8
76  SKeyItem PairwiseKey;
77  SKeyItem GroupKey[MAX_GROUP_KEY]; //64*5 = 320, 320+8=328
78  unsigned long dwGTKeyIndex; // GroupTransmitKey Index
79  bool bInUse;
80  //2006-1116-01,<Modify> by NomadZhao
81  //unsigned short wKeyCtl;
82  //bool bSoftWEP;
83  bool bSoftWEP;
84  unsigned short wKeyCtl; // for address of wKeyCtl at align 4
85 
86  unsigned char byReserved1[6];
87 } SKeyTable, *PSKeyTable; //348
88 
89 typedef struct tagSKeyManagement
90 {
91  SKeyTable KeyTable[MAX_KEY_TABLE];
92 } SKeyManagement, * PSKeyManagement;
93 
94 /*--------------------- Export Types ------------------------------*/
95 
96 /*--------------------- Export Macros ------------------------------*/
97 
98 /*--------------------- Export Classes ----------------------------*/
99 
100 /*--------------------- Export Variables --------------------------*/
101 
102 /*--------------------- Export Functions --------------------------*/
103 
104 void KeyvInitTable(PSKeyManagement pTable, unsigned long dwIoBase);
105 
106 bool KeybGetKey(
107  PSKeyManagement pTable,
108  unsigned char *pbyBSSID,
109  unsigned long dwKeyIndex,
110  PSKeyItem *pKey
111  );
112 
113 bool KeybSetKey(
114  PSKeyManagement pTable,
115  unsigned char *pbyBSSID,
116  unsigned long dwKeyIndex,
117  unsigned long uKeyLength,
118  PQWORD pKeyRSC,
119  unsigned char *pbyKey,
120  unsigned char byKeyDecMode,
121  unsigned long dwIoBase,
122  unsigned char byLocalID
123  );
124 
125 bool KeybSetDefaultKey(
126  PSKeyManagement pTable,
127  unsigned long dwKeyIndex,
128  unsigned long uKeyLength,
129  PQWORD pKeyRSC,
130  unsigned char *pbyKey,
131  unsigned char byKeyDecMode,
132  unsigned long dwIoBase,
133  unsigned char byLocalID
134  );
135 
136 bool KeybRemoveKey(
137  PSKeyManagement pTable,
138  unsigned char *pbyBSSID,
139  unsigned long dwKeyIndex,
140  unsigned long dwIoBase
141  );
142 
143 bool KeybGetTransmitKey(
144  PSKeyManagement pTable,
145  unsigned char *pbyBSSID,
146  unsigned long dwKeyType,
147  PSKeyItem *pKey
148  );
149 
150 bool KeybCheckPairewiseKey(
151  PSKeyManagement pTable,
152  PSKeyItem *pKey
153  );
154 
155 bool KeybRemoveAllKey(
156  PSKeyManagement pTable,
157  unsigned char *pbyBSSID,
158  unsigned long dwIoBase
159  );
160 
161 void KeyvRemoveWEPKey(
162  PSKeyManagement pTable,
163  unsigned long dwKeyIndex,
164  unsigned long dwIoBase
165  );
166 
167 void KeyvRemoveAllWEPKey(
168  PSKeyManagement pTable,
169  unsigned long dwIoBase
170  );
171 
172 bool KeybSetAllGroupKey (
173  PSKeyManagement pTable,
174  unsigned long dwKeyIndex,
175  unsigned long uKeyLength,
176  PQWORD pKeyRSC,
177  unsigned char *pbyKey,
178  unsigned char byKeyDecMode,
179  unsigned long dwIoBase,
180  unsigned char byLocalID
181  );
182 
183 #endif // __KEY_H__
184 
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