2 *************************************************************************
4 * 5F., No.36, Taiyuan St., Jhubei City,
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
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. *
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. *
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. *
25 *************************************************************************
34 -------- ---------- ----------------------------------------------
35 Name Date Modification logs
41 // EAPOL Key descripter frame format related length
42 #define LEN_KEY_DESC_NONCE 32
43 #define LEN_KEY_DESC_IV 16
44 #define LEN_KEY_DESC_RSC 8
45 #define LEN_KEY_DESC_ID 8
46 #define LEN_KEY_DESC_REPLAY 8
47 #define LEN_KEY_DESC_MIC 16
49 // The length is the EAPoL-Key frame except key data field.
50 // Please refer to 802.11i-2004 ,Figure 43u in p.78
51 #define LEN_EAPOL_KEY_MSG (sizeof(KEY_DESCRIPTER) - MAX_LEN_OF_RSNIE)
54 #define EAP_CODE_REQUEST 1
55 #define EAP_CODE_RESPONSE 2
56 #define EAP_CODE_SUCCESS 3
57 #define EAP_CODE_FAILURE 4
59 // EAPOL frame Protocol Version
63 // EAPOL-KEY Descriptor Type
64 #define WPA1_KEY_DESC 0xfe
65 #define WPA2_KEY_DESC 0x02
67 // Key Descriptor Version of Key Information
68 #define DESC_TYPE_TKIP 1
69 #define DESC_TYPE_AES 2
71 #define LEN_MSG1_2WAY 0x7f
72 #define MAX_LEN_OF_EAP_HS 256
74 #define LEN_MASTER_KEY 32
78 #define LEN_EAP_MICK 16
79 #define LEN_EAP_KEY ((LEN_EAP_EK)+(LEN_EAP_MICK))
82 #define LEN_TKIP_EK 16
83 #define LEN_TKIP_RXMICK 8
84 #define LEN_TKIP_TXMICK 8
86 #define LEN_AES_KEY LEN_AES_EK
87 #define LEN_TKIP_KEY ((LEN_TKIP_EK)+(LEN_TKIP_RXMICK)+(LEN_TKIP_TXMICK))
88 #define TKIP_AP_TXMICK_OFFSET ((LEN_EAP_KEY)+(LEN_TKIP_EK))
89 #define TKIP_AP_RXMICK_OFFSET (TKIP_AP_TXMICK_OFFSET+LEN_TKIP_TXMICK)
90 #define TKIP_GTK_LENGTH ((LEN_TKIP_EK)+(LEN_TKIP_RXMICK)+(LEN_TKIP_TXMICK))
91 #define LEN_PTK ((LEN_EAP_KEY)+(LEN_TKIP_KEY))
92 #define MIN_LEN_OF_GTK 5
94 #define LEN_PMK_NAME 16
97 // RSN IE Length definition
98 #define MAX_LEN_OF_RSNIE 255
99 #define MIN_LEN_OF_RSNIE 8
101 #define KEY_LIFETIME 3600
106 #define EAPOLLogoff 2
108 #define EAPOLASFAlert 4
109 #define EAPTtypeMax 5
111 #define EAPOL_MSG_INVALID 0
112 #define EAPOL_PAIR_MSG_1 1
113 #define EAPOL_PAIR_MSG_2 2
114 #define EAPOL_PAIR_MSG_3 3
115 #define EAPOL_PAIR_MSG_4 4
116 #define EAPOL_GROUP_MSG_1 5
117 #define EAPOL_GROUP_MSG_2 6
119 #define PAIRWISEKEY 1
122 // Retry timer counter initial value
123 #define PEER_MSG1_RETRY_TIMER_CTR 0
124 #define PEER_MSG3_RETRY_TIMER_CTR 10
125 #define GROUP_MSG1_RETRY_TIMER_CTR 20
127 //#ifdef CONFIG_AP_SUPPORT
128 // WPA mechanism retry timer interval
129 #define PEER_MSG1_RETRY_EXEC_INTV 1000 // 1 sec
130 #define PEER_MSG3_RETRY_EXEC_INTV 3000 // 3 sec
131 #define GROUP_KEY_UPDATE_EXEC_INTV 1000 // 1 sec
132 #define PEER_GROUP_KEY_UPDATE_INIV 2000 // 2 sec
134 #define ENQUEUE_EAPOL_START_TIMER 200 // 200 ms
136 // group rekey interval
139 #define DISABLE_REKEY 2
142 #define MAX_REKEY_INTER 0x3ffffff
143 //#endif // CONFIG_AP_SUPPORT //
145 #define GROUP_SUITE 0
146 #define PAIRWISE_SUITE 1
150 #define EAPOL_START_DISABLE 0
151 #define EAPOL_START_PSK 1
152 #define EAPOL_START_1X 2
154 #define MIX_CIPHER_WPA_TKIP_ON(x) (((x) & 0x08) != 0)
155 #define MIX_CIPHER_WPA_AES_ON(x) (((x) & 0x04) != 0)
156 #define MIX_CIPHER_WPA2_TKIP_ON(x) (((x) & 0x02) != 0)
157 #define MIX_CIPHER_WPA2_AES_ON(x) (((x) & 0x01) != 0)
160 #define ROUND_UP(__x, __y) \
161 (((ULONG)((__x)+((__y)-1))) & ((ULONG)~((__y)-1)))
164 #define SET_UINT16_TO_ARRARY(_V, _LEN) \
166 _V[0] = (_LEN & 0xFF00) >> 8; \
167 _V[1] = (_LEN & 0xFF); \
170 #define INC_UINT16_TO_ARRARY(_V, _LEN) \
174 var_len = (_V[0]<<8) | (_V[1]); \
177 _V[0] = (var_len & 0xFF00) >> 8; \
178 _V[1] = (var_len & 0xFF); \
181 #define CONV_ARRARY_TO_UINT16(_V) ((_V[0]<<8) | (_V[1]))
183 #define ADD_ONE_To_64BIT_VAR(_V) \
185 UCHAR cnt = LEN_KEY_DESC_REPLAY; \
192 }while (_V[cnt] == 0); \
195 #define IS_WPA_CAPABILITY(a) (((a) >= Ndis802_11AuthModeWPA) && ((a) <= Ndis802_11AuthModeWPA1PSKWPA2PSK))
197 // EAPOL Key Information definition within Key descriptor format
198 typedef struct PACKED _KEY_INFO
{
203 UCHAR EKD_DL
:1; // EKD for AP; DL for STA
210 } KEY_INFO
, *PKEY_INFO
;
212 // EAPOL Key descriptor format
213 typedef struct PACKED _KEY_DESCRIPTER
{
217 UCHAR ReplayCounter
[LEN_KEY_DESC_REPLAY
];
218 UCHAR KeyNonce
[LEN_KEY_DESC_NONCE
];
219 UCHAR KeyIv
[LEN_KEY_DESC_IV
];
220 UCHAR KeyRsc
[LEN_KEY_DESC_RSC
];
221 UCHAR KeyId
[LEN_KEY_DESC_ID
];
222 UCHAR KeyMic
[LEN_KEY_DESC_MIC
];
224 UCHAR KeyData
[MAX_LEN_OF_RSNIE
];
225 } KEY_DESCRIPTER
, *PKEY_DESCRIPTER
;
227 typedef struct PACKED _EAPOL_PACKET
{
231 KEY_DESCRIPTER KeyDesc
;
232 } EAPOL_PACKET
, *PEAPOL_PACKET
;
234 //802.11i D10 page 83
235 typedef struct PACKED _GTK_ENCAP
{
240 UCHAR GTK
[TKIP_GTK_LENGTH
];
241 } GTK_ENCAP
, *PGTK_ENCAP
;
243 typedef struct PACKED _KDE_ENCAP
{
249 } KDE_ENCAP
, *PKDE_ENCAP
;
252 typedef struct PACKED _RSNIE
{
263 typedef struct PACKED _RSNIE2
{
273 typedef struct PACKED _RSNIE_AUTH
{
278 } RSNIE_AUTH
, *PRSNIE_AUTH
;
280 typedef union PACKED _RSN_CAPABILITIES
{
283 USHORT No_Pairwise
:1;
284 USHORT PTKSA_R_Counter
:2;
285 USHORT GTKSA_R_Counter
:2;
289 } RSN_CAPABILITIES
, *PRSN_CAPABILITIES
;
291 typedef struct PACKED _EAP_HDR
{
297 UCHAR length
[2]; // including code and identifier, followed by length-2 octets of data
298 } EAP_HDR
, *PEAP_HDR
;
300 // For supplicant state machine states. 802.11i Draft 4.1, p. 97
302 typedef enum _WpaState
{
312 // The definition of the cipher combination
314 // bit3 bit2 bit1 bit0
315 // +------------+------------+
317 // +------+-----+------+-----+
318 // | TKIP | AES | TKIP | AES |
319 // | 0 | 1 | 1 | 0 | -> 0x06
320 // | 0 | 1 | 1 | 1 | -> 0x07
321 // | 1 | 0 | 0 | 1 | -> 0x09
322 // | 1 | 0 | 1 | 1 | -> 0x0B
323 // | 1 | 1 | 0 | 1 | -> 0x0D
324 // | 1 | 1 | 1 | 0 | -> 0x0E
325 // | 1 | 1 | 1 | 1 | -> 0x0F
326 // +------+-----+------+-----+
328 typedef enum _WpaMixPairCipher
{
329 MIX_CIPHER_NOTUSE
= 0x00,
330 WPA_NONE_WPA2_TKIPAES
= 0x03, // WPA2-TKIPAES
331 WPA_AES_WPA2_TKIP
= 0x06,
332 WPA_AES_WPA2_TKIPAES
= 0x07,
333 WPA_TKIP_WPA2_AES
= 0x09,
334 WPA_TKIP_WPA2_TKIPAES
= 0x0B,
335 WPA_TKIPAES_WPA2_NONE
= 0x0C, // WPA-TKIPAES
336 WPA_TKIPAES_WPA2_AES
= 0x0D,
337 WPA_TKIPAES_WPA2_TKIP
= 0x0E,
338 WPA_TKIPAES_WPA2_TKIPAES
= 0x0F,
339 } WPA_MIX_PAIR_CIPHER
;
341 typedef struct PACKED _RSN_IE_HEADER_STRUCT
{
344 USHORT Version
; // Little endian format
345 } RSN_IE_HEADER_STRUCT
, *PRSN_IE_HEADER_STRUCT
;
347 // Cipher suite selector types
348 typedef struct PACKED _CIPHER_SUITE_STRUCT
{
351 } CIPHER_SUITE_STRUCT
, *PCIPHER_SUITE_STRUCT
;
353 // Authentication and Key Management suite selector
354 typedef struct PACKED _AKM_SUITE_STRUCT
{
357 } AKM_SUITE_STRUCT
, *PAKM_SUITE_STRUCT
;
360 typedef struct PACKED _RSN_CAPABILITY
{
362 USHORT GTKSAReplayCnt
:2;
363 USHORT PTKSAReplayCnt
:2;
366 } RSN_CAPABILITY
, *PRSN_CAPABILITY
;
368 /*========================================
369 The prototype is defined in cmm_wpa.c
370 ========================================*/
371 BOOLEAN
WpaMsgTypeSubst(IN UCHAR EAPType
, OUT INT
* MsgType
);
373 VOID
PRF(IN UCHAR
* key
,
377 IN UCHAR
* data
, IN INT data_len
, OUT UCHAR
* output
, IN INT len
);
379 int PasswordHash(char *password
,
380 unsigned char *ssid
, int ssidlength
, unsigned char *output
);
382 PUINT8
GetSuiteFromRSNIE(IN PUINT8 rsnie
,
383 IN UINT rsnie_len
, IN UINT8 type
, OUT UINT8
* count
);
385 VOID
WpaShowAllsuite(IN PUINT8 rsnie
, IN UINT rsnie_len
);
387 VOID
RTMPInsertRSNIE(IN PUCHAR pFrameBuf
,
388 OUT PULONG pFrameLen
,
391 IN PUINT8 pmkid_ptr
, IN UINT8 pmkid_len
);