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 13 /* IEEE 802.11i */ 14 #define PMKID_LEN 16 15 #define PMK_LEN 32 16 #define PMK_LEN_SUITE_B_192 48 17 #define PMK_LEN_MAX 48 18 #define WPA_REPLAY_COUNTER_LEN 8 19 #define WPA_NONCE_LEN 32 20 #define WPA_KEY_RSC_LEN 8 21 #define WPA_GMK_LEN 32 22 #define WPA_GTK_MAX_LEN 32 23 24 #define WPA_ALLOWED_PAIRWISE_CIPHERS \ 25 (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP | WPA_CIPHER_NONE | \ 26 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256) 27 #define WPA_ALLOWED_GROUP_CIPHERS \ 28 (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP | \ 29 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256 | \ 30 WPA_CIPHER_GTK_NOT_USED) 31 32 #define WPA_SELECTOR_LEN 4 33 #define WPA_VERSION 1 34 #define RSN_SELECTOR_LEN 4 35 #define RSN_VERSION 1 36 37 #define RSN_SELECTOR(a, b, c, d) \ 38 ((((u32) (a)) << 24) | (((u32) (b)) << 16) | (((u32) (c)) << 8) | \ 39 (u32) (d)) 40 41 #define WPA_AUTH_KEY_MGMT_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0) 42 #define WPA_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 1) 43 #define WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 2) 44 #define WPA_AUTH_KEY_MGMT_CCKM RSN_SELECTOR(0x00, 0x40, 0x96, 0) 45 #define WPA_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0) 46 #define WPA_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x50, 0xf2, 2) 47 #define WPA_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x50, 0xf2, 4) 48 49 50 #define RSN_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 1) 51 #define RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 2) 52 #ifdef CONFIG_IEEE80211R 53 #define RSN_AUTH_KEY_MGMT_FT_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 3) 54 #define RSN_AUTH_KEY_MGMT_FT_PSK RSN_SELECTOR(0x00, 0x0f, 0xac, 4) 55 #endif /* CONFIG_IEEE80211R */ 56 #define RSN_AUTH_KEY_MGMT_802_1X_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 5) 57 #define RSN_AUTH_KEY_MGMT_PSK_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 6) 58 #define RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE RSN_SELECTOR(0x00, 0x0f, 0xac, 7) 59 #define RSN_AUTH_KEY_MGMT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 8) 60 #define RSN_AUTH_KEY_MGMT_FT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 9) 61 #define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B RSN_SELECTOR(0x00, 0x0f, 0xac, 11) 62 #define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192 RSN_SELECTOR(0x00, 0x0f, 0xac, 12) 63 #define RSN_AUTH_KEY_MGMT_FT_802_1X_SUITE_B_192 \ 64 RSN_SELECTOR(0x00, 0x0f, 0xac, 13) 65 #define RSN_AUTH_KEY_MGMT_CCKM RSN_SELECTOR(0x00, 0x40, 0x96, 0x00) 66 #define RSN_AUTH_KEY_MGMT_OSEN RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x01) 67 68 #define RSN_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x0f, 0xac, 0) 69 #define RSN_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x0f, 0xac, 2) 70 #if 0 71 #define RSN_CIPHER_SUITE_WRAP RSN_SELECTOR(0x00, 0x0f, 0xac, 3) 72 #endif 73 #define RSN_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 4) 74 #define RSN_CIPHER_SUITE_AES_128_CMAC RSN_SELECTOR(0x00, 0x0f, 0xac, 6) 75 #define RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED RSN_SELECTOR(0x00, 0x0f, 0xac, 7) 76 #define RSN_CIPHER_SUITE_GCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 8) 77 #define RSN_CIPHER_SUITE_GCMP_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 9) 78 #define RSN_CIPHER_SUITE_CCMP_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 10) 79 #define RSN_CIPHER_SUITE_BIP_GMAC_128 RSN_SELECTOR(0x00, 0x0f, 0xac, 11) 80 #define RSN_CIPHER_SUITE_BIP_GMAC_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 12) 81 #define RSN_CIPHER_SUITE_BIP_CMAC_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 13) 82 83 /* EAPOL-Key Key Data Encapsulation 84 * GroupKey and PeerKey require encryption, otherwise, encryption is optional. 85 */ 86 #define RSN_KEY_DATA_GROUPKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 1) 87 #if 0 88 #define RSN_KEY_DATA_STAKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 2) 89 #endif 90 #define RSN_KEY_DATA_MAC_ADDR RSN_SELECTOR(0x00, 0x0f, 0xac, 3) 91 #define RSN_KEY_DATA_PMKID RSN_SELECTOR(0x00, 0x0f, 0xac, 4) 92 #ifdef CONFIG_PEERKEY 93 #define RSN_KEY_DATA_SMK RSN_SELECTOR(0x00, 0x0f, 0xac, 5) 94 #define RSN_KEY_DATA_NONCE RSN_SELECTOR(0x00, 0x0f, 0xac, 6) 95 #define RSN_KEY_DATA_LIFETIME RSN_SELECTOR(0x00, 0x0f, 0xac, 7) 96 #define RSN_KEY_DATA_ERROR RSN_SELECTOR(0x00, 0x0f, 0xac, 8) 97 #endif /* CONFIG_PEERKEY */ 98 #ifdef CONFIG_IEEE80211W 99 #define RSN_KEY_DATA_IGTK RSN_SELECTOR(0x00, 0x0f, 0xac, 9) 100 #endif /* CONFIG_IEEE80211W */ 101 #define RSN_KEY_DATA_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 10) 102 #define RSN_KEY_DATA_MULTIBAND_GTK RSN_SELECTOR(0x00, 0x0f, 0xac, 11) 103 #define RSN_KEY_DATA_MULTIBAND_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 12) 104 105 #define WFA_KEY_DATA_IP_ADDR_REQ RSN_SELECTOR(0x50, 0x6f, 0x9a, 4) 106 #define WFA_KEY_DATA_IP_ADDR_ALLOC RSN_SELECTOR(0x50, 0x6f, 0x9a, 5) 107 108 #ifndef WPA_OUI_TYPE 109 #define WPA_OUI_TYPE RSN_SELECTOR(0x00, 0x50, 0xf2, 1) 110 #endif 111 112 #define RSN_SELECTOR_PUT(a, val) WPA_PUT_BE32((u8 *) (a), (val)) 113 #define RSN_SELECTOR_GET(a) WPA_GET_BE32((const u8 *) (a)) 114 115 #define RSN_NUM_REPLAY_COUNTERS_1 0 116 #define RSN_NUM_REPLAY_COUNTERS_2 1 117 #define RSN_NUM_REPLAY_COUNTERS_4 2 118 #define RSN_NUM_REPLAY_COUNTERS_16 3 119 120 121 #ifdef _MSC_VER 122 #pragma pack(push, 1) 123 #endif /* _MSC_VER */ 124 125 #ifdef CONFIG_IEEE80211W 126 #define WPA_IGTK_LEN 16 127 #define WPA_IGTK_MAX_LEN 32 128 #endif /* CONFIG_IEEE80211W */ 129 130 131 /* IEEE 802.11, 7.3.2.25.3 RSN Capabilities */ 132 #define WPA_CAPABILITY_PREAUTH BIT(0) 133 #define WPA_CAPABILITY_NO_PAIRWISE BIT(1) 134 /* B2-B3: PTKSA Replay Counter */ 135 /* B4-B5: GTKSA Replay Counter */ 136 #define WPA_CAPABILITY_MFPR BIT(6) 137 #define WPA_CAPABILITY_MFPC BIT(7) 138 /* B8: Reserved */ 139 #define WPA_CAPABILITY_PEERKEY_ENABLED BIT(9) 140 #define WPA_CAPABILITY_SPP_A_MSDU_CAPABLE BIT(10) 141 #define WPA_CAPABILITY_SPP_A_MSDU_REQUIRED BIT(11) 142 #define WPA_CAPABILITY_PBAC BIT(12) 143 #define WPA_CAPABILITY_EXT_KEY_ID_FOR_UNICAST BIT(13) 144 /* B14-B15: Reserved */ 145 146 147 /* IEEE 802.11r */ 148 #define MOBILITY_DOMAIN_ID_LEN 2 149 #define FT_R0KH_ID_MAX_LEN 48 150 #define FT_R1KH_ID_LEN 6 151 #define WPA_PMK_NAME_LEN 16 152 153 154 /* IEEE 802.11, 8.5.2 EAPOL-Key frames */ 155 #define WPA_KEY_INFO_TYPE_MASK ((u16) (BIT(0) | BIT(1) | BIT(2))) 156 #define WPA_KEY_INFO_TYPE_AKM_DEFINED 0 157 #define WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 BIT(0) 158 #define WPA_KEY_INFO_TYPE_HMAC_SHA1_AES BIT(1) 159 #define WPA_KEY_INFO_TYPE_AES_128_CMAC 3 160 #define WPA_KEY_INFO_KEY_TYPE BIT(3) /* 1 = Pairwise, 0 = Group key */ 161 /* bit4..5 is used in WPA, but is reserved in IEEE 802.11i/RSN */ 162 #define WPA_KEY_INFO_KEY_INDEX_MASK (BIT(4) | BIT(5)) 163 #define WPA_KEY_INFO_KEY_INDEX_SHIFT 4 164 #define WPA_KEY_INFO_INSTALL BIT(6) /* pairwise */ 165 #define WPA_KEY_INFO_TXRX BIT(6) /* group */ 166 #define WPA_KEY_INFO_ACK BIT(7) 167 #define WPA_KEY_INFO_MIC BIT(8) 168 #define WPA_KEY_INFO_SECURE BIT(9) 169 #define WPA_KEY_INFO_ERROR BIT(10) 170 #define WPA_KEY_INFO_REQUEST BIT(11) 171 #define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12) /* IEEE 802.11i/RSN only */ 172 #define WPA_KEY_INFO_SMK_MESSAGE BIT(13) 173 174 175 struct wpa_eapol_key { 176 u8 type; 177 /* Note: key_info, key_length, and key_data_length are unaligned */ 178 u8 key_info[2]; /* big endian */ 179 u8 key_length[2]; /* big endian */ 180 u8 replay_counter[WPA_REPLAY_COUNTER_LEN]; 181 u8 key_nonce[WPA_NONCE_LEN]; 182 u8 key_iv[16]; 183 u8 key_rsc[WPA_KEY_RSC_LEN]; 184 u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */ 185 u8 key_mic[16]; 186 u8 key_data_length[2]; /* big endian */ 187 /* followed by key_data_length bytes of key_data */ 188 } STRUCT_PACKED; 189 190 struct wpa_eapol_key_192 { 191 u8 type; 192 /* Note: key_info, key_length, and key_data_length are unaligned */ 193 u8 key_info[2]; /* big endian */ 194 u8 key_length[2]; /* big endian */ 195 u8 replay_counter[WPA_REPLAY_COUNTER_LEN]; 196 u8 key_nonce[WPA_NONCE_LEN]; 197 u8 key_iv[16]; 198 u8 key_rsc[WPA_KEY_RSC_LEN]; 199 u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */ 200 u8 key_mic[24]; 201 u8 key_data_length[2]; /* big endian */ 202 /* followed by key_data_length bytes of key_data */ 203 } STRUCT_PACKED; 204 205 #define WPA_EAPOL_KEY_MIC_MAX_LEN 24 206 #define WPA_KCK_MAX_LEN 24 207 #define WPA_KEK_MAX_LEN 32 208 #define WPA_TK_MAX_LEN 32 209 210 /** 211 * struct wpa_ptk - WPA Pairwise Transient Key 212 * IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy 213 */ 214 struct wpa_ptk { 215 u8 kck[WPA_KCK_MAX_LEN]; /* EAPOL-Key Key Confirmation Key (KCK) */ 216 u8 kek[WPA_KEK_MAX_LEN]; /* EAPOL-Key Key Encryption Key (KEK) */ 217 u8 tk[WPA_TK_MAX_LEN]; /* Temporal Key (TK) */ 218 size_t kck_len; 219 size_t kek_len; 220 size_t tk_len; 221 }; 222 223 224 /* WPA IE version 1 225 * 00-50-f2:1 (OUI:OUI type) 226 * 0x01 0x00 (version; little endian) 227 * (all following fields are optional:) 228 * Group Suite Selector (4 octets) (default: TKIP) 229 * Pairwise Suite Count (2 octets, little endian) (default: 1) 230 * Pairwise Suite List (4 * n octets) (default: TKIP) 231 * Authenticated Key Management Suite Count (2 octets, little endian) 232 * (default: 1) 233 * Authenticated Key Management Suite List (4 * n octets) 234 * (default: unspec 802.1X) 235 * WPA Capabilities (2 octets, little endian) (default: 0) 236 */ 237 238 struct wpa_ie_hdr { 239 u8 elem_id; 240 u8 len; 241 u8 oui[4]; /* 24-bit OUI followed by 8-bit OUI type */ 242 u8 version[2]; /* little endian */ 243 } STRUCT_PACKED; 244 245 246 /* 1/4: PMKID 247 * 2/4: RSN IE 248 * 3/4: one or two RSN IEs + GTK IE (encrypted) 249 * 4/4: empty 250 * 1/2: GTK IE (encrypted) 251 * 2/2: empty 252 */ 253 254 /* RSN IE version 1 255 * 0x01 0x00 (version; little endian) 256 * (all following fields are optional:) 257 * Group Suite Selector (4 octets) (default: CCMP) 258 * Pairwise Suite Count (2 octets, little endian) (default: 1) 259 * Pairwise Suite List (4 * n octets) (default: CCMP) 260 * Authenticated Key Management Suite Count (2 octets, little endian) 261 * (default: 1) 262 * Authenticated Key Management Suite List (4 * n octets) 263 * (default: unspec 802.1X) 264 * RSN Capabilities (2 octets, little endian) (default: 0) 265 * PMKID Count (2 octets) (default: 0) 266 * PMKID List (16 * n octets) 267 * Management Group Cipher Suite (4 octets) (default: AES-128-CMAC) 268 */ 269 270 struct rsn_ie_hdr { 271 u8 elem_id; /* WLAN_EID_RSN */ 272 u8 len; 273 u8 version[2]; /* little endian */ 274 } STRUCT_PACKED; 275 276 277 #ifdef CONFIG_PEERKEY 278 enum { 279 STK_MUI_4WAY_STA_AP = 1, 280 STK_MUI_4WAY_STAT_STA = 2, 281 STK_MUI_GTK = 3, 282 STK_MUI_SMK = 4 283 }; 284 285 enum { 286 STK_ERR_STA_NR = 1, 287 STK_ERR_STA_NRSN = 2, 288 STK_ERR_CPHR_NS = 3, 289 STK_ERR_NO_STSL = 4 290 }; 291 #endif /* CONFIG_PEERKEY */ 292 293 struct rsn_error_kde { 294 be16 mui; 295 be16 error_type; 296 } STRUCT_PACKED; 297 298 #ifdef CONFIG_IEEE80211W 299 #define WPA_IGTK_KDE_PREFIX_LEN (2 + 6) 300 struct wpa_igtk_kde { 301 u8 keyid[2]; 302 u8 pn[6]; 303 u8 igtk[WPA_IGTK_MAX_LEN]; 304 } STRUCT_PACKED; 305 #endif /* CONFIG_IEEE80211W */ 306 307 struct rsn_mdie { 308 u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN]; 309 u8 ft_capab; 310 } STRUCT_PACKED; 311 312 #define RSN_FT_CAPAB_FT_OVER_DS BIT(0) 313 #define RSN_FT_CAPAB_FT_RESOURCE_REQ_SUPP BIT(1) 314 315 struct rsn_ftie { 316 u8 mic_control[2]; 317 u8 mic[16]; 318 u8 anonce[WPA_NONCE_LEN]; 319 u8 snonce[WPA_NONCE_LEN]; 320 /* followed by optional parameters */ 321 } STRUCT_PACKED; 322 323 #define FTIE_SUBELEM_R1KH_ID 1 324 #define FTIE_SUBELEM_GTK 2 325 #define FTIE_SUBELEM_R0KH_ID 3 326 #define FTIE_SUBELEM_IGTK 4 327 328 struct rsn_rdie { 329 u8 id; 330 u8 descr_count; 331 le16 status_code; 332 } STRUCT_PACKED; 333 334 335 #ifdef _MSC_VER 336 #pragma pack(pop) 337 #endif /* _MSC_VER */ 338 339 340 int wpa_eapol_key_mic(const u8 *key, size_t key_len, int akmp, int ver, 341 const u8 *buf, size_t len, u8 *mic); 342 int wpa_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const char *label, 343 const u8 *addr1, const u8 *addr2, 344 const u8 *nonce1, const u8 *nonce2, 345 struct wpa_ptk *ptk, int akmp, int cipher); 346 347 #ifdef CONFIG_IEEE80211R 348 int wpa_ft_mic(const u8 *kck, size_t kck_len, const u8 *sta_addr, 349 const u8 *ap_addr, u8 transaction_seqnum, 350 const u8 *mdie, size_t mdie_len, 351 const u8 *ftie, size_t ftie_len, 352 const u8 *rsnie, size_t rsnie_len, 353 const u8 *ric, size_t ric_len, u8 *mic); 354 void wpa_derive_pmk_r0(const u8 *xxkey, size_t xxkey_len, 355 const u8 *ssid, size_t ssid_len, 356 const u8 *mdid, const u8 *r0kh_id, size_t r0kh_id_len, 357 const u8 *s0kh_id, u8 *pmk_r0, u8 *pmk_r0_name); 358 void wpa_derive_pmk_r1_name(const u8 *pmk_r0_name, const u8 *r1kh_id, 359 const u8 *s1kh_id, u8 *pmk_r1_name); 360 void wpa_derive_pmk_r1(const u8 *pmk_r0, const u8 *pmk_r0_name, 361 const u8 *r1kh_id, const u8 *s1kh_id, 362 u8 *pmk_r1, u8 *pmk_r1_name); 363 int wpa_pmk_r1_to_ptk(const u8 *pmk_r1, const u8 *snonce, const u8 *anonce, 364 const u8 *sta_addr, const u8 *bssid, 365 const u8 *pmk_r1_name, 366 struct wpa_ptk *ptk, u8 *ptk_name, int akmp, int cipher); 367 #endif /* CONFIG_IEEE80211R */ 368 369 struct wpa_ie_data { 370 int proto; 371 int pairwise_cipher; 372 int group_cipher; 373 int key_mgmt; 374 int capabilities; 375 size_t num_pmkid; 376 const u8 *pmkid; 377 int mgmt_group_cipher; 378 }; 379 380 381 int wpa_parse_wpa_ie_rsn(const u8 *rsn_ie, size_t rsn_ie_len, 382 struct wpa_ie_data *data); 383 int wpa_parse_wpa_ie_wpa(const u8 *wpa_ie, size_t wpa_ie_len, 384 struct wpa_ie_data *data); 385 386 void rsn_pmkid(const u8 *pmk, size_t pmk_len, const u8 *aa, const u8 *spa, 387 u8 *pmkid, int use_sha256); 388 #ifdef CONFIG_SUITEB 389 int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa, 390 const u8 *spa, u8 *pmkid); 391 #else /* CONFIG_SUITEB */ 392 static inline int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa, 393 const u8 *spa, u8 *pmkid) 394 { 395 return -1; 396 } 397 #endif /* CONFIG_SUITEB */ 398 #ifdef CONFIG_SUITEB192 399 int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len, const u8 *aa, 400 const u8 *spa, u8 *pmkid); 401 #else /* CONFIG_SUITEB192 */ 402 static inline int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len, 403 const u8 *aa, const u8 *spa, u8 *pmkid) 404 { 405 return -1; 406 } 407 #endif /* CONFIG_SUITEB192 */ 408 409 const char * wpa_cipher_txt(int cipher); 410 const char * wpa_key_mgmt_txt(int key_mgmt, int proto); 411 u32 wpa_akm_to_suite(int akm); 412 int wpa_compare_rsn_ie(int ft_initial_assoc, 413 const u8 *ie1, size_t ie1len, 414 const u8 *ie2, size_t ie2len); 415 int wpa_insert_pmkid(u8 *ies, size_t *ies_len, const u8 *pmkid); 416 417 struct wpa_ft_ies { 418 const u8 *mdie; 419 size_t mdie_len; 420 const u8 *ftie; 421 size_t ftie_len; 422 const u8 *r1kh_id; 423 const u8 *gtk; 424 size_t gtk_len; 425 const u8 *r0kh_id; 426 size_t r0kh_id_len; 427 const u8 *rsn; 428 size_t rsn_len; 429 const u8 *rsn_pmkid; 430 const u8 *tie; 431 size_t tie_len; 432 const u8 *igtk; 433 size_t igtk_len; 434 const u8 *ric; 435 size_t ric_len; 436 }; 437 438 int wpa_ft_parse_ies(const u8 *ies, size_t ies_len, struct wpa_ft_ies *parse); 439 440 int wpa_cipher_key_len(int cipher); 441 int wpa_cipher_rsc_len(int cipher); 442 int wpa_cipher_to_alg(int cipher); 443 int wpa_cipher_valid_group(int cipher); 444 int wpa_cipher_valid_pairwise(int cipher); 445 int wpa_cipher_valid_mgmt_group(int cipher); 446 u32 wpa_cipher_to_suite(int proto, int cipher); 447 int rsn_cipher_put_suites(u8 *pos, int ciphers); 448 int wpa_cipher_put_suites(u8 *pos, int ciphers); 449 int wpa_pick_pairwise_cipher(int ciphers, int none_allowed); 450 int wpa_pick_group_cipher(int ciphers); 451 int wpa_parse_cipher(const char *value); 452 int wpa_write_ciphers(char *start, char *end, int ciphers, const char *delim); 453 int wpa_select_ap_group_cipher(int wpa, int wpa_pairwise, int rsn_pairwise); 454 unsigned int wpa_mic_len(int akmp); 455 456 #endif /* WPA_COMMON_H */ 457