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      1 /*
      2  * WPA definitions shared between hostapd and wpa_supplicant
      3  * Copyright (c) 2002-2015, Jouni Malinen <j (at) 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 #define RSN_AUTH_KEY_MGMT_FT_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 3)
     52 #define RSN_AUTH_KEY_MGMT_FT_PSK RSN_SELECTOR(0x00, 0x0f, 0xac, 4)
     53 #define RSN_AUTH_KEY_MGMT_802_1X_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 5)
     54 #define RSN_AUTH_KEY_MGMT_PSK_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 6)
     55 #define RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE RSN_SELECTOR(0x00, 0x0f, 0xac, 7)
     56 #define RSN_AUTH_KEY_MGMT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 8)
     57 #define RSN_AUTH_KEY_MGMT_FT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 9)
     58 #define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B RSN_SELECTOR(0x00, 0x0f, 0xac, 11)
     59 #define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192 RSN_SELECTOR(0x00, 0x0f, 0xac, 12)
     60 #define RSN_AUTH_KEY_MGMT_FT_802_1X_SUITE_B_192 \
     61 RSN_SELECTOR(0x00, 0x0f, 0xac, 13)
     62 #define RSN_AUTH_KEY_MGMT_FILS_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 14)
     63 #define RSN_AUTH_KEY_MGMT_FILS_SHA384 RSN_SELECTOR(0x00, 0x0f, 0xac, 15)
     64 #define RSN_AUTH_KEY_MGMT_FT_FILS_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 16)
     65 #define RSN_AUTH_KEY_MGMT_FT_FILS_SHA384 RSN_SELECTOR(0x00, 0x0f, 0xac, 17)
     66 #define RSN_AUTH_KEY_MGMT_CCKM RSN_SELECTOR(0x00, 0x40, 0x96, 0x00)
     67 #define RSN_AUTH_KEY_MGMT_OSEN RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x01)
     68 
     69 #define RSN_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x0f, 0xac, 0)
     70 #define RSN_CIPHER_SUITE_WEP40 RSN_SELECTOR(0x00, 0x0f, 0xac, 1)
     71 #define RSN_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x0f, 0xac, 2)
     72 #if 0
     73 #define RSN_CIPHER_SUITE_WRAP RSN_SELECTOR(0x00, 0x0f, 0xac, 3)
     74 #endif
     75 #define RSN_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 4)
     76 #define RSN_CIPHER_SUITE_WEP104 RSN_SELECTOR(0x00, 0x0f, 0xac, 5)
     77 #define RSN_CIPHER_SUITE_AES_128_CMAC RSN_SELECTOR(0x00, 0x0f, 0xac, 6)
     78 #define RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED RSN_SELECTOR(0x00, 0x0f, 0xac, 7)
     79 #define RSN_CIPHER_SUITE_GCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 8)
     80 #define RSN_CIPHER_SUITE_GCMP_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 9)
     81 #define RSN_CIPHER_SUITE_CCMP_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 10)
     82 #define RSN_CIPHER_SUITE_BIP_GMAC_128 RSN_SELECTOR(0x00, 0x0f, 0xac, 11)
     83 #define RSN_CIPHER_SUITE_BIP_GMAC_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 12)
     84 #define RSN_CIPHER_SUITE_BIP_CMAC_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 13)
     85 #define RSN_CIPHER_SUITE_SMS4 RSN_SELECTOR(0x00, 0x14, 0x72, 1)
     86 #define RSN_CIPHER_SUITE_CKIP RSN_SELECTOR(0x00, 0x40, 0x96, 0)
     87 #define RSN_CIPHER_SUITE_CKIP_CMIC RSN_SELECTOR(0x00, 0x40, 0x96, 1)
     88 #define RSN_CIPHER_SUITE_CMIC RSN_SELECTOR(0x00, 0x40, 0x96, 2)
     89 /* KRK is defined for nl80211 use only */
     90 #define RSN_CIPHER_SUITE_KRK RSN_SELECTOR(0x00, 0x40, 0x96, 255)
     91 
     92 /* EAPOL-Key Key Data Encapsulation
     93  * GroupKey and PeerKey require encryption, otherwise, encryption is optional.
     94  */
     95 #define RSN_KEY_DATA_GROUPKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 1)
     96 #if 0
     97 #define RSN_KEY_DATA_STAKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 2)
     98 #endif
     99 #define RSN_KEY_DATA_MAC_ADDR RSN_SELECTOR(0x00, 0x0f, 0xac, 3)
    100 #define RSN_KEY_DATA_PMKID RSN_SELECTOR(0x00, 0x0f, 0xac, 4)
    101 #ifdef CONFIG_PEERKEY
    102 #define RSN_KEY_DATA_SMK RSN_SELECTOR(0x00, 0x0f, 0xac, 5)
    103 #define RSN_KEY_DATA_NONCE RSN_SELECTOR(0x00, 0x0f, 0xac, 6)
    104 #define RSN_KEY_DATA_LIFETIME RSN_SELECTOR(0x00, 0x0f, 0xac, 7)
    105 #define RSN_KEY_DATA_ERROR RSN_SELECTOR(0x00, 0x0f, 0xac, 8)
    106 #endif /* CONFIG_PEERKEY */
    107 #ifdef CONFIG_IEEE80211W
    108 #define RSN_KEY_DATA_IGTK RSN_SELECTOR(0x00, 0x0f, 0xac, 9)
    109 #endif /* CONFIG_IEEE80211W */
    110 #define RSN_KEY_DATA_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 10)
    111 #define RSN_KEY_DATA_MULTIBAND_GTK RSN_SELECTOR(0x00, 0x0f, 0xac, 11)
    112 #define RSN_KEY_DATA_MULTIBAND_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 12)
    113 
    114 #define WFA_KEY_DATA_IP_ADDR_REQ RSN_SELECTOR(0x50, 0x6f, 0x9a, 4)
    115 #define WFA_KEY_DATA_IP_ADDR_ALLOC RSN_SELECTOR(0x50, 0x6f, 0x9a, 5)
    116 
    117 #define WPA_OUI_TYPE RSN_SELECTOR(0x00, 0x50, 0xf2, 1)
    118 
    119 #define RSN_SELECTOR_PUT(a, val) WPA_PUT_BE32((u8 *) (a), (val))
    120 #define RSN_SELECTOR_GET(a) WPA_GET_BE32((const u8 *) (a))
    121 
    122 #define RSN_NUM_REPLAY_COUNTERS_1 0
    123 #define RSN_NUM_REPLAY_COUNTERS_2 1
    124 #define RSN_NUM_REPLAY_COUNTERS_4 2
    125 #define RSN_NUM_REPLAY_COUNTERS_16 3
    126 
    127 
    128 #ifdef _MSC_VER
    129 #pragma pack(push, 1)
    130 #endif /* _MSC_VER */
    131 
    132 #ifdef CONFIG_IEEE80211W
    133 #define WPA_IGTK_LEN 16
    134 #define WPA_IGTK_MAX_LEN 32
    135 #endif /* CONFIG_IEEE80211W */
    136 
    137 
    138 /* IEEE 802.11, 7.3.2.25.3 RSN Capabilities */
    139 #define WPA_CAPABILITY_PREAUTH BIT(0)
    140 #define WPA_CAPABILITY_NO_PAIRWISE BIT(1)
    141 /* B2-B3: PTKSA Replay Counter */
    142 /* B4-B5: GTKSA Replay Counter */
    143 #define WPA_CAPABILITY_MFPR BIT(6)
    144 #define WPA_CAPABILITY_MFPC BIT(7)
    145 /* B8: Reserved */
    146 #define WPA_CAPABILITY_PEERKEY_ENABLED BIT(9)
    147 #define WPA_CAPABILITY_SPP_A_MSDU_CAPABLE BIT(10)
    148 #define WPA_CAPABILITY_SPP_A_MSDU_REQUIRED BIT(11)
    149 #define WPA_CAPABILITY_PBAC BIT(12)
    150 #define WPA_CAPABILITY_EXT_KEY_ID_FOR_UNICAST BIT(13)
    151 /* B14-B15: Reserved */
    152 
    153 
    154 /* IEEE 802.11r */
    155 #define MOBILITY_DOMAIN_ID_LEN 2
    156 #define FT_R0KH_ID_MAX_LEN 48
    157 #define FT_R1KH_ID_LEN 6
    158 #define WPA_PMK_NAME_LEN 16
    159 
    160 
    161 /* IEEE 802.11, 8.5.2 EAPOL-Key frames */
    162 #define WPA_KEY_INFO_TYPE_MASK ((u16) (BIT(0) | BIT(1) | BIT(2)))
    163 #define WPA_KEY_INFO_TYPE_AKM_DEFINED 0
    164 #define WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 BIT(0)
    165 #define WPA_KEY_INFO_TYPE_HMAC_SHA1_AES BIT(1)
    166 #define WPA_KEY_INFO_TYPE_AES_128_CMAC 3
    167 #define WPA_KEY_INFO_KEY_TYPE BIT(3) /* 1 = Pairwise, 0 = Group key */
    168 /* bit4..5 is used in WPA, but is reserved in IEEE 802.11i/RSN */
    169 #define WPA_KEY_INFO_KEY_INDEX_MASK (BIT(4) | BIT(5))
    170 #define WPA_KEY_INFO_KEY_INDEX_SHIFT 4
    171 #define WPA_KEY_INFO_INSTALL BIT(6) /* pairwise */
    172 #define WPA_KEY_INFO_TXRX BIT(6) /* group */
    173 #define WPA_KEY_INFO_ACK BIT(7)
    174 #define WPA_KEY_INFO_MIC BIT(8)
    175 #define WPA_KEY_INFO_SECURE BIT(9)
    176 #define WPA_KEY_INFO_ERROR BIT(10)
    177 #define WPA_KEY_INFO_REQUEST BIT(11)
    178 #define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12) /* IEEE 802.11i/RSN only */
    179 #define WPA_KEY_INFO_SMK_MESSAGE BIT(13)
    180 
    181 
    182 struct wpa_eapol_key {
    183 	u8 type;
    184 	/* Note: key_info, key_length, and key_data_length are unaligned */
    185 	u8 key_info[2]; /* big endian */
    186 	u8 key_length[2]; /* big endian */
    187 	u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
    188 	u8 key_nonce[WPA_NONCE_LEN];
    189 	u8 key_iv[16];
    190 	u8 key_rsc[WPA_KEY_RSC_LEN];
    191 	u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */
    192 	/* variable length Key MIC field */
    193 	/* big endian 2-octet Key Data Length field */
    194 	/* followed by Key Data Length bytes of Key Data */
    195 } STRUCT_PACKED;
    196 
    197 #define WPA_EAPOL_KEY_MIC_MAX_LEN 24
    198 #define WPA_KCK_MAX_LEN 24
    199 #define WPA_KEK_MAX_LEN 64
    200 #define WPA_TK_MAX_LEN 32
    201 #define FILS_ICK_MAX_LEN 48
    202 
    203 /**
    204  * struct wpa_ptk - WPA Pairwise Transient Key
    205  * IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy
    206  */
    207 struct wpa_ptk {
    208 	u8 kck[WPA_KCK_MAX_LEN]; /* EAPOL-Key Key Confirmation Key (KCK) */
    209 	u8 kek[WPA_KEK_MAX_LEN]; /* EAPOL-Key Key Encryption Key (KEK) */
    210 	u8 tk[WPA_TK_MAX_LEN]; /* Temporal Key (TK) */
    211 	size_t kck_len;
    212 	size_t kek_len;
    213 	size_t tk_len;
    214 };
    215 
    216 
    217 /* WPA IE version 1
    218  * 00-50-f2:1 (OUI:OUI type)
    219  * 0x01 0x00 (version; little endian)
    220  * (all following fields are optional:)
    221  * Group Suite Selector (4 octets) (default: TKIP)
    222  * Pairwise Suite Count (2 octets, little endian) (default: 1)
    223  * Pairwise Suite List (4 * n octets) (default: TKIP)
    224  * Authenticated Key Management Suite Count (2 octets, little endian)
    225  *    (default: 1)
    226  * Authenticated Key Management Suite List (4 * n octets)
    227  *    (default: unspec 802.1X)
    228  * WPA Capabilities (2 octets, little endian) (default: 0)
    229  */
    230 
    231 struct wpa_ie_hdr {
    232 	u8 elem_id;
    233 	u8 len;
    234 	u8 oui[4]; /* 24-bit OUI followed by 8-bit OUI type */
    235 	u8 version[2]; /* little endian */
    236 } STRUCT_PACKED;
    237 
    238 
    239 /* 1/4: PMKID
    240  * 2/4: RSN IE
    241  * 3/4: one or two RSN IEs + GTK IE (encrypted)
    242  * 4/4: empty
    243  * 1/2: GTK IE (encrypted)
    244  * 2/2: empty
    245  */
    246 
    247 /* RSN IE version 1
    248  * 0x01 0x00 (version; little endian)
    249  * (all following fields are optional:)
    250  * Group Suite Selector (4 octets) (default: CCMP)
    251  * Pairwise Suite Count (2 octets, little endian) (default: 1)
    252  * Pairwise Suite List (4 * n octets) (default: CCMP)
    253  * Authenticated Key Management Suite Count (2 octets, little endian)
    254  *    (default: 1)
    255  * Authenticated Key Management Suite List (4 * n octets)
    256  *    (default: unspec 802.1X)
    257  * RSN Capabilities (2 octets, little endian) (default: 0)
    258  * PMKID Count (2 octets) (default: 0)
    259  * PMKID List (16 * n octets)
    260  * Management Group Cipher Suite (4 octets) (default: AES-128-CMAC)
    261  */
    262 
    263 struct rsn_ie_hdr {
    264 	u8 elem_id; /* WLAN_EID_RSN */
    265 	u8 len;
    266 	u8 version[2]; /* little endian */
    267 } STRUCT_PACKED;
    268 
    269 
    270 #ifdef CONFIG_PEERKEY
    271 enum {
    272 	STK_MUI_4WAY_STA_AP = 1,
    273 	STK_MUI_4WAY_STAT_STA = 2,
    274 	STK_MUI_GTK = 3,
    275 	STK_MUI_SMK = 4
    276 };
    277 
    278 enum {
    279 	STK_ERR_STA_NR = 1,
    280 	STK_ERR_STA_NRSN = 2,
    281 	STK_ERR_CPHR_NS = 3,
    282 	STK_ERR_NO_STSL = 4
    283 };
    284 #endif /* CONFIG_PEERKEY */
    285 
    286 struct rsn_error_kde {
    287 	be16 mui;
    288 	be16 error_type;
    289 } STRUCT_PACKED;
    290 
    291 #ifdef CONFIG_IEEE80211W
    292 #define WPA_IGTK_KDE_PREFIX_LEN (2 + 6)
    293 struct wpa_igtk_kde {
    294 	u8 keyid[2];
    295 	u8 pn[6];
    296 	u8 igtk[WPA_IGTK_MAX_LEN];
    297 } STRUCT_PACKED;
    298 #endif /* CONFIG_IEEE80211W */
    299 
    300 struct rsn_mdie {
    301 	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
    302 	u8 ft_capab;
    303 } STRUCT_PACKED;
    304 
    305 #define RSN_FT_CAPAB_FT_OVER_DS BIT(0)
    306 #define RSN_FT_CAPAB_FT_RESOURCE_REQ_SUPP BIT(1)
    307 
    308 struct rsn_ftie {
    309 	u8 mic_control[2];
    310 	u8 mic[16];
    311 	u8 anonce[WPA_NONCE_LEN];
    312 	u8 snonce[WPA_NONCE_LEN];
    313 	/* followed by optional parameters */
    314 } STRUCT_PACKED;
    315 
    316 #define FTIE_SUBELEM_R1KH_ID 1
    317 #define FTIE_SUBELEM_GTK 2
    318 #define FTIE_SUBELEM_R0KH_ID 3
    319 #define FTIE_SUBELEM_IGTK 4
    320 
    321 struct rsn_rdie {
    322 	u8 id;
    323 	u8 descr_count;
    324 	le16 status_code;
    325 } STRUCT_PACKED;
    326 
    327 
    328 #ifdef _MSC_VER
    329 #pragma pack(pop)
    330 #endif /* _MSC_VER */
    331 
    332 
    333 int wpa_eapol_key_mic(const u8 *key, size_t key_len, int akmp, int ver,
    334 		      const u8 *buf, size_t len, u8 *mic);
    335 int wpa_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const char *label,
    336 		   const u8 *addr1, const u8 *addr2,
    337 		   const u8 *nonce1, const u8 *nonce2,
    338 		   struct wpa_ptk *ptk, int akmp, int cipher);
    339 int fils_rmsk_to_pmk(int akmp, const u8 *rmsk, size_t rmsk_len,
    340 		     const u8 *snonce, const u8 *anonce, const u8 *dh_ss,
    341 		     size_t dh_ss_len, u8 *pmk, size_t *pmk_len);
    342 int fils_pmkid_erp(int akmp, const u8 *reauth, size_t reauth_len,
    343 		   u8 *pmkid);
    344 int fils_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const u8 *spa, const u8 *aa,
    345 		    const u8 *snonce, const u8 *anonce, struct wpa_ptk *ptk,
    346 		    u8 *ick, size_t *ick_len, int akmp, int cipher);
    347 int fils_key_auth_sk(const u8 *ick, size_t ick_len, const u8 *snonce,
    348 		     const u8 *anonce, const u8 *sta_addr, const u8 *bssid,
    349 		     const u8 *g_sta, size_t g_sta_len,
    350 		     const u8 *g_ap, size_t g_ap_len,
    351 		     int akmp, u8 *key_auth_sta, u8 *key_auth_ap,
    352 		     size_t *key_auth_len);
    353 
    354 #ifdef CONFIG_IEEE80211R
    355 int wpa_ft_mic(const u8 *kck, size_t kck_len, const u8 *sta_addr,
    356 	       const u8 *ap_addr, u8 transaction_seqnum,
    357 	       const u8 *mdie, size_t mdie_len,
    358 	       const u8 *ftie, size_t ftie_len,
    359 	       const u8 *rsnie, size_t rsnie_len,
    360 	       const u8 *ric, size_t ric_len, u8 *mic);
    361 int wpa_derive_pmk_r0(const u8 *xxkey, size_t xxkey_len,
    362 		      const u8 *ssid, size_t ssid_len,
    363 		      const u8 *mdid, const u8 *r0kh_id, size_t r0kh_id_len,
    364 		      const u8 *s0kh_id, u8 *pmk_r0, u8 *pmk_r0_name);
    365 int wpa_derive_pmk_r1_name(const u8 *pmk_r0_name, const u8 *r1kh_id,
    366 			   const u8 *s1kh_id, u8 *pmk_r1_name);
    367 int wpa_derive_pmk_r1(const u8 *pmk_r0, const u8 *pmk_r0_name,
    368 		      const u8 *r1kh_id, const u8 *s1kh_id,
    369 		      u8 *pmk_r1, u8 *pmk_r1_name);
    370 int wpa_pmk_r1_to_ptk(const u8 *pmk_r1, const u8 *snonce, const u8 *anonce,
    371 		      const u8 *sta_addr, const u8 *bssid,
    372 		      const u8 *pmk_r1_name,
    373 		      struct wpa_ptk *ptk, u8 *ptk_name, int akmp, int cipher);
    374 #endif /* CONFIG_IEEE80211R */
    375 
    376 struct wpa_ie_data {
    377 	int proto;
    378 	int pairwise_cipher;
    379 	int group_cipher;
    380 	int key_mgmt;
    381 	int capabilities;
    382 	size_t num_pmkid;
    383 	const u8 *pmkid;
    384 	int mgmt_group_cipher;
    385 };
    386 
    387 
    388 int wpa_parse_wpa_ie_rsn(const u8 *rsn_ie, size_t rsn_ie_len,
    389 			 struct wpa_ie_data *data);
    390 int wpa_parse_wpa_ie_wpa(const u8 *wpa_ie, size_t wpa_ie_len,
    391 			 struct wpa_ie_data *data);
    392 
    393 void rsn_pmkid(const u8 *pmk, size_t pmk_len, const u8 *aa, const u8 *spa,
    394 	       u8 *pmkid, int use_sha256);
    395 #ifdef CONFIG_SUITEB
    396 int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa,
    397 		       const u8 *spa, u8 *pmkid);
    398 #else /* CONFIG_SUITEB */
    399 static inline int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa,
    400 				    const u8 *spa, u8 *pmkid)
    401 {
    402 	return -1;
    403 }
    404 #endif /* CONFIG_SUITEB */
    405 #ifdef CONFIG_SUITEB192
    406 int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len, const u8 *aa,
    407 			  const u8 *spa, u8 *pmkid);
    408 #else /* CONFIG_SUITEB192 */
    409 static inline int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len,
    410 					const u8 *aa, const u8 *spa, u8 *pmkid)
    411 {
    412 	return -1;
    413 }
    414 #endif /* CONFIG_SUITEB192 */
    415 
    416 const char * wpa_cipher_txt(int cipher);
    417 const char * wpa_key_mgmt_txt(int key_mgmt, int proto);
    418 u32 wpa_akm_to_suite(int akm);
    419 int wpa_compare_rsn_ie(int ft_initial_assoc,
    420 		       const u8 *ie1, size_t ie1len,
    421 		       const u8 *ie2, size_t ie2len);
    422 int wpa_insert_pmkid(u8 *ies, size_t *ies_len, const u8 *pmkid);
    423 
    424 struct wpa_ft_ies {
    425 	const u8 *mdie;
    426 	size_t mdie_len;
    427 	const u8 *ftie;
    428 	size_t ftie_len;
    429 	const u8 *r1kh_id;
    430 	const u8 *gtk;
    431 	size_t gtk_len;
    432 	const u8 *r0kh_id;
    433 	size_t r0kh_id_len;
    434 	const u8 *rsn;
    435 	size_t rsn_len;
    436 	const u8 *rsn_pmkid;
    437 	const u8 *tie;
    438 	size_t tie_len;
    439 	const u8 *igtk;
    440 	size_t igtk_len;
    441 	const u8 *ric;
    442 	size_t ric_len;
    443 	int key_mgmt;
    444 	int pairwise_cipher;
    445 };
    446 
    447 int wpa_ft_parse_ies(const u8 *ies, size_t ies_len, struct wpa_ft_ies *parse);
    448 
    449 int wpa_cipher_key_len(int cipher);
    450 int wpa_cipher_rsc_len(int cipher);
    451 enum wpa_alg wpa_cipher_to_alg(int cipher);
    452 int wpa_cipher_valid_group(int cipher);
    453 int wpa_cipher_valid_pairwise(int cipher);
    454 int wpa_cipher_valid_mgmt_group(int cipher);
    455 u32 wpa_cipher_to_suite(int proto, int cipher);
    456 int rsn_cipher_put_suites(u8 *pos, int ciphers);
    457 int wpa_cipher_put_suites(u8 *pos, int ciphers);
    458 int wpa_pick_pairwise_cipher(int ciphers, int none_allowed);
    459 int wpa_pick_group_cipher(int ciphers);
    460 int wpa_parse_cipher(const char *value);
    461 int wpa_write_ciphers(char *start, char *end, int ciphers, const char *delim);
    462 int wpa_select_ap_group_cipher(int wpa, int wpa_pairwise, int rsn_pairwise);
    463 unsigned int wpa_mic_len(int akmp);
    464 int fils_domain_name_hash(const char *domain, u8 *hash);
    465 
    466 #endif /* WPA_COMMON_H */
    467