1 /*
2 * WPA definitions shared between hostapd and wpa_supplicant
3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #ifndef WPA_COMMON_H
10 #define WPA_COMMON_H
11
12 /* IEEE 802.11i */
13 #define PMKID_LEN 16
14 #define PMK_LEN 32
15 #define PMK_LEN_SUITE_B_192 48
16 #define PMK_LEN_MAX 48
17 #define WPA_REPLAY_COUNTER_LEN 8
18 #define WPA_NONCE_LEN 32
19 #define WPA_KEY_RSC_LEN 8
20 #define WPA_GMK_LEN 32
21 #define WPA_GTK_MAX_LEN 32
22
23 #define WPA_ALLOWED_PAIRWISE_CIPHERS \
24 (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP | WPA_CIPHER_NONE | \
25 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256)
26 #define WPA_ALLOWED_GROUP_CIPHERS \
27 (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP | \
28 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256 | \
29 WPA_CIPHER_GTK_NOT_USED)
30
31 #define WPA_SELECTOR_LEN 4
32 #define WPA_VERSION 1
33 #define RSN_SELECTOR_LEN 4
34 #define RSN_VERSION 1
35
36 #define RSN_SELECTOR(a, b, c, d) \
37 ((((u32) (a)) << 24) | (((u32) (b)) << 16) | (((u32) (c)) << 8) | \
38 (u32) (d))
39
40 #define WPA_AUTH_KEY_MGMT_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0)
41 #define WPA_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 1)
42 #define WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 2)
43 #define WPA_AUTH_KEY_MGMT_CCKM RSN_SELECTOR(0x00, 0x40, 0x96, 0)
44 #define WPA_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0)
45 #define WPA_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x50, 0xf2, 2)
46 #define WPA_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x50, 0xf2, 4)
47
48
49 #define RSN_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 1)
50 #define RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 2)
51 #ifdef CONFIG_IEEE80211R
52 #define RSN_AUTH_KEY_MGMT_FT_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 3)
53 #define RSN_AUTH_KEY_MGMT_FT_PSK RSN_SELECTOR(0x00, 0x0f, 0xac, 4)
54 #endif /* CONFIG_IEEE80211R */
55 #define RSN_AUTH_KEY_MGMT_802_1X_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 5)
56 #define RSN_AUTH_KEY_MGMT_PSK_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 6)
57 #define RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE RSN_SELECTOR(0x00, 0x0f, 0xac, 7)
58 #define RSN_AUTH_KEY_MGMT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 8)
59 #define RSN_AUTH_KEY_MGMT_FT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 9)
60 #define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B RSN_SELECTOR(0x00, 0x0f, 0xac, 11)
61 #define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192 RSN_SELECTOR(0x00, 0x0f, 0xac, 12)
62 #define RSN_AUTH_KEY_MGMT_FT_802_1X_SUITE_B_192 \
63 RSN_SELECTOR(0x00, 0x0f, 0xac, 13)
64 #define RSN_AUTH_KEY_MGMT_CCKM RSN_SELECTOR(0x00, 0x40, 0x96, 0x00)
65 #define RSN_AUTH_KEY_MGMT_OSEN RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x01)
66
67 #define RSN_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x0f, 0xac, 0)
68 #define RSN_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x0f, 0xac, 2)
69 #if 0
70 #define RSN_CIPHER_SUITE_WRAP RSN_SELECTOR(0x00, 0x0f, 0xac, 3)
71 #endif
72 #define RSN_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 4)
73 #define RSN_CIPHER_SUITE_AES_128_CMAC RSN_SELECTOR(0x00, 0x0f, 0xac, 6)
74 #define RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED RSN_SELECTOR(0x00, 0x0f, 0xac, 7)
75 #define RSN_CIPHER_SUITE_GCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 8)
76 #define RSN_CIPHER_SUITE_GCMP_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 9)
77 #define RSN_CIPHER_SUITE_CCMP_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 10)
78 #define RSN_CIPHER_SUITE_BIP_GMAC_128 RSN_SELECTOR(0x00, 0x0f, 0xac, 11)
79 #define RSN_CIPHER_SUITE_BIP_GMAC_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 12)
80 #define RSN_CIPHER_SUITE_BIP_CMAC_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 13)
81
82 /* EAPOL-Key Key Data Encapsulation
83 * GroupKey and PeerKey require encryption, otherwise, encryption is optional.
84 */
85 #define RSN_KEY_DATA_GROUPKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 1)
86 #if 0
87 #define RSN_KEY_DATA_STAKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 2)
88 #endif
89 #define RSN_KEY_DATA_MAC_ADDR RSN_SELECTOR(0x00, 0x0f, 0xac, 3)
90 #define RSN_KEY_DATA_PMKID RSN_SELECTOR(0x00, 0x0f, 0xac, 4)
91 #ifdef CONFIG_PEERKEY
92 #define RSN_KEY_DATA_SMK RSN_SELECTOR(0x00, 0x0f, 0xac, 5)
93 #define RSN_KEY_DATA_NONCE RSN_SELECTOR(0x00, 0x0f, 0xac, 6)
94 #define RSN_KEY_DATA_LIFETIME RSN_SELECTOR(0x00, 0x0f, 0xac, 7)
95 #define RSN_KEY_DATA_ERROR RSN_SELECTOR(0x00, 0x0f, 0xac, 8)
96 #endif /* CONFIG_PEERKEY */
97 #ifdef CONFIG_IEEE80211W
98 #define RSN_KEY_DATA_IGTK RSN_SELECTOR(0x00, 0x0f, 0xac, 9)
99 #endif /* CONFIG_IEEE80211W */
100 #define RSN_KEY_DATA_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 10)
101 #define RSN_KEY_DATA_MULTIBAND_GTK RSN_SELECTOR(0x00, 0x0f, 0xac, 11)
102 #define RSN_KEY_DATA_MULTIBAND_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 12)
103
104 #define WFA_KEY_DATA_IP_ADDR_REQ RSN_SELECTOR(0x50, 0x6f, 0x9a, 4)
105 #define WFA_KEY_DATA_IP_ADDR_ALLOC RSN_SELECTOR(0x50, 0x6f, 0x9a, 5)
106
107 #define WPA_OUI_TYPE RSN_SELECTOR(0x00, 0x50, 0xf2, 1)
108
109 #define RSN_SELECTOR_PUT(a, val) WPA_PUT_BE32((u8 *) (a), (val))
110 #define RSN_SELECTOR_GET(a) WPA_GET_BE32((const u8 *) (a))
111
112 #define RSN_NUM_REPLAY_COUNTERS_1 0
113 #define RSN_NUM_REPLAY_COUNTERS_2 1
114 #define RSN_NUM_REPLAY_COUNTERS_4 2
115 #define RSN_NUM_REPLAY_COUNTERS_16 3
116
117
118 #ifdef _MSC_VER
119 #pragma pack(push, 1)
120 #endif /* _MSC_VER */
121
122 #ifdef CONFIG_IEEE80211W
123 #define WPA_IGTK_LEN 16
124 #define WPA_IGTK_MAX_LEN 32
125 #endif /* CONFIG_IEEE80211W */
126
127
128 /* IEEE 802.11, 7.3.2.25.3 RSN Capabilities */
129 #define WPA_CAPABILITY_PREAUTH BIT(0)
130 #define WPA_CAPABILITY_NO_PAIRWISE BIT(1)
131 /* B2-B3: PTKSA Replay Counter */
132 /* B4-B5: GTKSA Replay Counter */
133 #define WPA_CAPABILITY_MFPR BIT(6)
134 #define WPA_CAPABILITY_MFPC BIT(7)
135 /* B8: Reserved */
136 #define WPA_CAPABILITY_PEERKEY_ENABLED BIT(9)
137 #define WPA_CAPABILITY_SPP_A_MSDU_CAPABLE BIT(10)
138 #define WPA_CAPABILITY_SPP_A_MSDU_REQUIRED BIT(11)
139 #define WPA_CAPABILITY_PBAC BIT(12)
140 #define WPA_CAPABILITY_EXT_KEY_ID_FOR_UNICAST BIT(13)
141 /* B14-B15: Reserved */
142
143
144 /* IEEE 802.11r */
145 #define MOBILITY_DOMAIN_ID_LEN 2
146 #define FT_R0KH_ID_MAX_LEN 48
147 #define FT_R1KH_ID_LEN 6
148 #define WPA_PMK_NAME_LEN 16
149
150
151 /* IEEE 802.11, 8.5.2 EAPOL-Key frames */
152 #define WPA_KEY_INFO_TYPE_MASK ((u16) (BIT(0) | BIT(1) | BIT(2)))
153 #define WPA_KEY_INFO_TYPE_AKM_DEFINED 0
154 #define WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 BIT(0)
155 #define WPA_KEY_INFO_TYPE_HMAC_SHA1_AES BIT(1)
156 #define WPA_KEY_INFO_TYPE_AES_128_CMAC 3
157 #define WPA_KEY_INFO_KEY_TYPE BIT(3) /* 1 = Pairwise, 0 = Group key */
158 /* bit4..5 is used in WPA, but is reserved in IEEE 802.11i/RSN */
159 #define WPA_KEY_INFO_KEY_INDEX_MASK (BIT(4) | BIT(5))
160 #define WPA_KEY_INFO_KEY_INDEX_SHIFT 4
161 #define WPA_KEY_INFO_INSTALL BIT(6) /* pairwise */
162 #define WPA_KEY_INFO_TXRX BIT(6) /* group */
163 #define WPA_KEY_INFO_ACK BIT(7)
164 #define WPA_KEY_INFO_MIC BIT(8)
165 #define WPA_KEY_INFO_SECURE BIT(9)
166 #define WPA_KEY_INFO_ERROR BIT(10)
167 #define WPA_KEY_INFO_REQUEST BIT(11)
168 #define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12) /* IEEE 802.11i/RSN only */
169 #define WPA_KEY_INFO_SMK_MESSAGE BIT(13)
170
171
172 struct wpa_eapol_key {
173 u8 type;
174 /* Note: key_info, key_length, and key_data_length are unaligned */
175 u8 key_info[2]; /* big endian */
176 u8 key_length[2]; /* big endian */
177 u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
178 u8 key_nonce[WPA_NONCE_LEN];
179 u8 key_iv[16];
180 u8 key_rsc[WPA_KEY_RSC_LEN];
181 u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */
182 u8 key_mic[16];
183 u8 key_data_length[2]; /* big endian */
184 /* followed by key_data_length bytes of key_data */
185 } STRUCT_PACKED;
186
187 struct wpa_eapol_key_192 {
188 u8 type;
189 /* Note: key_info, key_length, and key_data_length are unaligned */
190 u8 key_info[2]; /* big endian */
191 u8 key_length[2]; /* big endian */
192 u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
193 u8 key_nonce[WPA_NONCE_LEN];
194 u8 key_iv[16];
195 u8 key_rsc[WPA_KEY_RSC_LEN];
196 u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */
197 u8 key_mic[24];
198 u8 key_data_length[2]; /* big endian */
199 /* followed by key_data_length bytes of key_data */
200 } STRUCT_PACKED;
201
202 #define WPA_EAPOL_KEY_MIC_MAX_LEN 24
203 #define WPA_KCK_MAX_LEN 24
204 #define WPA_KEK_MAX_LEN 32
205 #define WPA_TK_MAX_LEN 32
206
207 /**
208 * struct wpa_ptk - WPA Pairwise Transient Key
209 * IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy
210 */
211 struct wpa_ptk {
212 u8 kck[WPA_KCK_MAX_LEN]; /* EAPOL-Key Key Confirmation Key (KCK) */
213 u8 kek[WPA_KEK_MAX_LEN]; /* EAPOL-Key Key Encryption Key (KEK) */
214 u8 tk[WPA_TK_MAX_LEN]; /* Temporal Key (TK) */
215 size_t kck_len;
216 size_t kek_len;
217 size_t tk_len;
218 };
219
220
221 /* WPA IE version 1
222 * 00-50-f2:1 (OUI:OUI type)
223 * 0x01 0x00 (version; little endian)
224 * (all following fields are optional:)
225 * Group Suite Selector (4 octets) (default: TKIP)
226 * Pairwise Suite Count (2 octets, little endian) (default: 1)
227 * Pairwise Suite List (4 * n octets) (default: TKIP)
228 * Authenticated Key Management Suite Count (2 octets, little endian)
229 * (default: 1)
230 * Authenticated Key Management Suite List (4 * n octets)
231 * (default: unspec 802.1X)
232 * WPA Capabilities (2 octets, little endian) (default: 0)
233 */
234
235 struct wpa_ie_hdr {
236 u8 elem_id;
237 u8 len;
238 u8 oui[4]; /* 24-bit OUI followed by 8-bit OUI type */
239 u8 version[2]; /* little endian */
240 } STRUCT_PACKED;
241
242
243 /* 1/4: PMKID
244 * 2/4: RSN IE
245 * 3/4: one or two RSN IEs + GTK IE (encrypted)
246 * 4/4: empty
247 * 1/2: GTK IE (encrypted)
248 * 2/2: empty
249 */
250
251 /* RSN IE version 1
252 * 0x01 0x00 (version; little endian)
253 * (all following fields are optional:)
254 * Group Suite Selector (4 octets) (default: CCMP)
255 * Pairwise Suite Count (2 octets, little endian) (default: 1)
256 * Pairwise Suite List (4 * n octets) (default: CCMP)
257 * Authenticated Key Management Suite Count (2 octets, little endian)
258 * (default: 1)
259 * Authenticated Key Management Suite List (4 * n octets)
260 * (default: unspec 802.1X)
261 * RSN Capabilities (2 octets, little endian) (default: 0)
262 * PMKID Count (2 octets) (default: 0)
263 * PMKID List (16 * n octets)
264 * Management Group Cipher Suite (4 octets) (default: AES-128-CMAC)
265 */
266
267 struct rsn_ie_hdr {
268 u8 elem_id; /* WLAN_EID_RSN */
269 u8 len;
270 u8 version[2]; /* little endian */
271 } STRUCT_PACKED;
272
273
274 #ifdef CONFIG_PEERKEY
275 enum {
276 STK_MUI_4WAY_STA_AP = 1,
277 STK_MUI_4WAY_STAT_STA = 2,
278 STK_MUI_GTK = 3,
279 STK_MUI_SMK = 4
280 };
281
282 enum {
283 STK_ERR_STA_NR = 1,
284 STK_ERR_STA_NRSN = 2,
285 STK_ERR_CPHR_NS = 3,
286 STK_ERR_NO_STSL = 4
287 };
288 #endif /* CONFIG_PEERKEY */
289
290 struct rsn_error_kde {
291 be16 mui;
292 be16 error_type;
293 } STRUCT_PACKED;
294
295 #ifdef CONFIG_IEEE80211W
296 #define WPA_IGTK_KDE_PREFIX_LEN (2 + 6)
297 struct wpa_igtk_kde {
298 u8 keyid[2];
299 u8 pn[6];
300 u8 igtk[WPA_IGTK_MAX_LEN];
301 } STRUCT_PACKED;
302 #endif /* CONFIG_IEEE80211W */
303
304 struct rsn_mdie {
305 u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
306 u8 ft_capab;
307 } STRUCT_PACKED;
308
309 #define RSN_FT_CAPAB_FT_OVER_DS BIT(0)
310 #define RSN_FT_CAPAB_FT_RESOURCE_REQ_SUPP BIT(1)
311
312 struct rsn_ftie {
313 u8 mic_control[2];
314 u8 mic[16];
315 u8 anonce[WPA_NONCE_LEN];
316 u8 snonce[WPA_NONCE_LEN];
317 /* followed by optional parameters */
318 } STRUCT_PACKED;
319
320 #define FTIE_SUBELEM_R1KH_ID 1
321 #define FTIE_SUBELEM_GTK 2
322 #define FTIE_SUBELEM_R0KH_ID 3
323 #define FTIE_SUBELEM_IGTK 4
324
325 struct rsn_rdie {
326 u8 id;
327 u8 descr_count;
328 le16 status_code;
329 } STRUCT_PACKED;
330
331
332 #ifdef _MSC_VER
333 #pragma pack(pop)
334 #endif /* _MSC_VER */
335
336
337 int wpa_eapol_key_mic(const u8 *key, size_t key_len, int akmp, int ver,
338 const u8 *buf, size_t len, u8 *mic);
339 int wpa_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const char *label,
340 const u8 *addr1, const u8 *addr2,
341 const u8 *nonce1, const u8 *nonce2,
342 struct wpa_ptk *ptk, int akmp, int cipher);
343
344 #ifdef CONFIG_IEEE80211R
345 int wpa_ft_mic(const u8 *kck, size_t kck_len, const u8 *sta_addr,
346 const u8 *ap_addr, u8 transaction_seqnum,
347 const u8 *mdie, size_t mdie_len,
348 const u8 *ftie, size_t ftie_len,
349 const u8 *rsnie, size_t rsnie_len,
350 const u8 *ric, size_t ric_len, u8 *mic);
351 void wpa_derive_pmk_r0(const u8 *xxkey, size_t xxkey_len,
352 const u8 *ssid, size_t ssid_len,
353 const u8 *mdid, const u8 *r0kh_id, size_t r0kh_id_len,
354 const u8 *s0kh_id, u8 *pmk_r0, u8 *pmk_r0_name);
355 void wpa_derive_pmk_r1_name(const u8 *pmk_r0_name, const u8 *r1kh_id,
356 const u8 *s1kh_id, u8 *pmk_r1_name);
357 void wpa_derive_pmk_r1(const u8 *pmk_r0, const u8 *pmk_r0_name,
358 const u8 *r1kh_id, const u8 *s1kh_id,
359 u8 *pmk_r1, u8 *pmk_r1_name);
360 int wpa_pmk_r1_to_ptk(const u8 *pmk_r1, const u8 *snonce, const u8 *anonce,
361 const u8 *sta_addr, const u8 *bssid,
362 const u8 *pmk_r1_name,
363 struct wpa_ptk *ptk, u8 *ptk_name, int akmp, int cipher);
364 #endif /* CONFIG_IEEE80211R */
365
366 struct wpa_ie_data {
367 int proto;
368 int pairwise_cipher;
369 int group_cipher;
370 int key_mgmt;
371 int capabilities;
372 size_t num_pmkid;
373 const u8 *pmkid;
374 int mgmt_group_cipher;
375 };
376
377
378 int wpa_parse_wpa_ie_rsn(const u8 *rsn_ie, size_t rsn_ie_len,
379 struct wpa_ie_data *data);
380 int wpa_parse_wpa_ie_wpa(const u8 *wpa_ie, size_t wpa_ie_len,
381 struct wpa_ie_data *data);
382
383 void rsn_pmkid(const u8 *pmk, size_t pmk_len, const u8 *aa, const u8 *spa,
384 u8 *pmkid, int use_sha256);
385 #ifdef CONFIG_SUITEB
386 int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa,
387 const u8 *spa, u8 *pmkid);
388 #else /* CONFIG_SUITEB */
rsn_pmkid_suite_b(const u8 * kck,size_t kck_len,const u8 * aa,const u8 * spa,u8 * pmkid)389 static inline int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa,
390 const u8 *spa, u8 *pmkid)
391 {
392 return -1;
393 }
394 #endif /* CONFIG_SUITEB */
395 #ifdef CONFIG_SUITEB192
396 int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len, const u8 *aa,
397 const u8 *spa, u8 *pmkid);
398 #else /* CONFIG_SUITEB192 */
rsn_pmkid_suite_b_192(const u8 * kck,size_t kck_len,const u8 * aa,const u8 * spa,u8 * pmkid)399 static inline int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len,
400 const u8 *aa, const u8 *spa, u8 *pmkid)
401 {
402 return -1;
403 }
404 #endif /* CONFIG_SUITEB192 */
405
406 const char * wpa_cipher_txt(int cipher);
407 const char * wpa_key_mgmt_txt(int key_mgmt, int proto);
408 u32 wpa_akm_to_suite(int akm);
409 int wpa_compare_rsn_ie(int ft_initial_assoc,
410 const u8 *ie1, size_t ie1len,
411 const u8 *ie2, size_t ie2len);
412 int wpa_insert_pmkid(u8 *ies, size_t *ies_len, const u8 *pmkid);
413
414 struct wpa_ft_ies {
415 const u8 *mdie;
416 size_t mdie_len;
417 const u8 *ftie;
418 size_t ftie_len;
419 const u8 *r1kh_id;
420 const u8 *gtk;
421 size_t gtk_len;
422 const u8 *r0kh_id;
423 size_t r0kh_id_len;
424 const u8 *rsn;
425 size_t rsn_len;
426 const u8 *rsn_pmkid;
427 const u8 *tie;
428 size_t tie_len;
429 const u8 *igtk;
430 size_t igtk_len;
431 const u8 *ric;
432 size_t ric_len;
433 };
434
435 int wpa_ft_parse_ies(const u8 *ies, size_t ies_len, struct wpa_ft_ies *parse);
436
437 int wpa_cipher_key_len(int cipher);
438 int wpa_cipher_rsc_len(int cipher);
439 int wpa_cipher_to_alg(int cipher);
440 int wpa_cipher_valid_group(int cipher);
441 int wpa_cipher_valid_pairwise(int cipher);
442 int wpa_cipher_valid_mgmt_group(int cipher);
443 u32 wpa_cipher_to_suite(int proto, int cipher);
444 int rsn_cipher_put_suites(u8 *pos, int ciphers);
445 int wpa_cipher_put_suites(u8 *pos, int ciphers);
446 int wpa_pick_pairwise_cipher(int ciphers, int none_allowed);
447 int wpa_pick_group_cipher(int ciphers);
448 int wpa_parse_cipher(const char *value);
449 int wpa_write_ciphers(char *start, char *end, int ciphers, const char *delim);
450 int wpa_select_ap_group_cipher(int wpa, int wpa_pairwise, int rsn_pairwise);
451 unsigned int wpa_mic_len(int akmp);
452
453 #endif /* WPA_COMMON_H */
454