1 /* 2 * WPA definitions shared between hostapd and wpa_supplicant 3 * Copyright (c) 2002-2018, 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 #include "common/defs.h" 13 14 /* IEEE 802.11i */ 15 #define PMKID_LEN 16 16 #define PMK_LEN 32 17 #define PMK_LEN_SUITE_B_192 48 18 #define PMK_LEN_MAX 64 19 #define WPA_REPLAY_COUNTER_LEN 8 20 #define RSN_PN_LEN 6 21 #define WPA_NONCE_LEN 32 22 #define WPA_KEY_RSC_LEN 8 23 #define WPA_GMK_LEN 32 24 #define WPA_GTK_MAX_LEN 32 25 #define WPA_PASN_PMK_LEN 32 26 #define WPA_PASN_MAX_MIC_LEN 24 27 #define WPA_MAX_RSNXE_LEN 4 28 29 #define OWE_DH_GROUP 19 30 31 #ifdef CONFIG_NO_TKIP 32 #define WPA_ALLOWED_PAIRWISE_CIPHERS \ 33 (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_NONE | \ 34 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256) 35 #define WPA_ALLOWED_GROUP_CIPHERS \ 36 (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | \ 37 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256 | \ 38 WPA_CIPHER_GTK_NOT_USED) 39 #else /* CONFIG_NO_TKIP */ 40 #define WPA_ALLOWED_PAIRWISE_CIPHERS \ 41 (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP | WPA_CIPHER_NONE | \ 42 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256) 43 #define WPA_ALLOWED_GROUP_CIPHERS \ 44 (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP | \ 45 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256 | \ 46 WPA_CIPHER_GTK_NOT_USED) 47 #endif /* CONFIG_NO_TKIP */ 48 #define WPA_ALLOWED_GROUP_MGMT_CIPHERS \ 49 (WPA_CIPHER_AES_128_CMAC | WPA_CIPHER_BIP_GMAC_128 | WPA_CIPHER_BIP_GMAC_256 | \ 50 WPA_CIPHER_BIP_CMAC_256) 51 52 #define WPA_SELECTOR_LEN 4 53 #define WPA_VERSION 1 54 #define RSN_SELECTOR_LEN 4 55 #define RSN_VERSION 1 56 57 #define RSN_SELECTOR(a, b, c, d) \ 58 ((((u32) (a)) << 24) | (((u32) (b)) << 16) | (((u32) (c)) << 8) | \ 59 (u32) (d)) 60 61 #define WPA_AUTH_KEY_MGMT_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0) 62 #define WPA_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 1) 63 #define WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 2) 64 #define WPA_AUTH_KEY_MGMT_CCKM RSN_SELECTOR(0x00, 0x40, 0x96, 0) 65 #define WPA_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0) 66 #define WPA_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x50, 0xf2, 2) 67 #define WPA_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x50, 0xf2, 4) 68 69 70 #define RSN_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 1) 71 #define RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 2) 72 #define RSN_AUTH_KEY_MGMT_FT_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 3) 73 #define RSN_AUTH_KEY_MGMT_FT_PSK RSN_SELECTOR(0x00, 0x0f, 0xac, 4) 74 #define RSN_AUTH_KEY_MGMT_802_1X_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 5) 75 #define RSN_AUTH_KEY_MGMT_PSK_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 6) 76 #define RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE RSN_SELECTOR(0x00, 0x0f, 0xac, 7) 77 #define RSN_AUTH_KEY_MGMT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 8) 78 #define RSN_AUTH_KEY_MGMT_FT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 9) 79 #define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B RSN_SELECTOR(0x00, 0x0f, 0xac, 11) 80 #define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192 RSN_SELECTOR(0x00, 0x0f, 0xac, 12) 81 #define RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384 RSN_SELECTOR(0x00, 0x0f, 0xac, 13) 82 #define RSN_AUTH_KEY_MGMT_FILS_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 14) 83 #define RSN_AUTH_KEY_MGMT_FILS_SHA384 RSN_SELECTOR(0x00, 0x0f, 0xac, 15) 84 #define RSN_AUTH_KEY_MGMT_FT_FILS_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 16) 85 #define RSN_AUTH_KEY_MGMT_FT_FILS_SHA384 RSN_SELECTOR(0x00, 0x0f, 0xac, 17) 86 #define RSN_AUTH_KEY_MGMT_OWE RSN_SELECTOR(0x00, 0x0f, 0xac, 18) 87 #define RSN_AUTH_KEY_MGMT_FT_PSK_SHA384 RSN_SELECTOR(0x00, 0x0f, 0xac, 19) 88 #define RSN_AUTH_KEY_MGMT_PSK_SHA384 RSN_SELECTOR(0x00, 0x0f, 0xac, 20) 89 #define RSN_AUTH_KEY_MGMT_PASN RSN_SELECTOR(0x00, 0x0f, 0xac, 21) 90 #define RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384_UNRESTRICTED \ 91 RSN_SELECTOR(0x00, 0x0f, 0xac, 22) 92 #define RSN_AUTH_KEY_MGMT_802_1X_SHA384 RSN_SELECTOR(0x00, 0x0f, 0xac, 23) 93 #define RSN_AUTH_KEY_MGMT_SAE_EXT_KEY RSN_SELECTOR(0x00, 0x0f, 0xac, 24) 94 #define RSN_AUTH_KEY_MGMT_FT_SAE_EXT_KEY RSN_SELECTOR(0x00, 0x0f, 0xac, 25) 95 96 #define RSN_AUTH_KEY_MGMT_CCKM RSN_SELECTOR(0x00, 0x40, 0x96, 0x00) 97 #define RSN_AUTH_KEY_MGMT_OSEN RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x01) 98 #define RSN_AUTH_KEY_MGMT_DPP RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x02) 99 100 #define RSN_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x0f, 0xac, 0) 101 #define RSN_CIPHER_SUITE_WEP40 RSN_SELECTOR(0x00, 0x0f, 0xac, 1) 102 #define RSN_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x0f, 0xac, 2) 103 #if 0 104 #define RSN_CIPHER_SUITE_WRAP RSN_SELECTOR(0x00, 0x0f, 0xac, 3) 105 #endif 106 #define RSN_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 4) 107 #define RSN_CIPHER_SUITE_WEP104 RSN_SELECTOR(0x00, 0x0f, 0xac, 5) 108 #define RSN_CIPHER_SUITE_AES_128_CMAC RSN_SELECTOR(0x00, 0x0f, 0xac, 6) 109 #define RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED RSN_SELECTOR(0x00, 0x0f, 0xac, 7) 110 #define RSN_CIPHER_SUITE_GCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 8) 111 #define RSN_CIPHER_SUITE_GCMP_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 9) 112 #define RSN_CIPHER_SUITE_CCMP_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 10) 113 #define RSN_CIPHER_SUITE_BIP_GMAC_128 RSN_SELECTOR(0x00, 0x0f, 0xac, 11) 114 #define RSN_CIPHER_SUITE_BIP_GMAC_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 12) 115 #define RSN_CIPHER_SUITE_BIP_CMAC_256 RSN_SELECTOR(0x00, 0x0f, 0xac, 13) 116 #define RSN_CIPHER_SUITE_SMS4 RSN_SELECTOR(0x00, 0x14, 0x72, 1) 117 #define RSN_CIPHER_SUITE_CKIP RSN_SELECTOR(0x00, 0x40, 0x96, 0) 118 #define RSN_CIPHER_SUITE_CKIP_CMIC RSN_SELECTOR(0x00, 0x40, 0x96, 1) 119 #define RSN_CIPHER_SUITE_CMIC RSN_SELECTOR(0x00, 0x40, 0x96, 2) 120 /* KRK is defined for nl80211 use only */ 121 #define RSN_CIPHER_SUITE_KRK RSN_SELECTOR(0x00, 0x40, 0x96, 255) 122 123 /* EAPOL-Key Key Data Encapsulation 124 * GroupKey and PeerKey require encryption, otherwise, encryption is optional. 125 */ 126 #define RSN_KEY_DATA_GROUPKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 1) 127 #if 0 128 #define RSN_KEY_DATA_STAKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 2) 129 #endif 130 #define RSN_KEY_DATA_MAC_ADDR RSN_SELECTOR(0x00, 0x0f, 0xac, 3) 131 #define RSN_KEY_DATA_PMKID RSN_SELECTOR(0x00, 0x0f, 0xac, 4) 132 #define RSN_KEY_DATA_IGTK RSN_SELECTOR(0x00, 0x0f, 0xac, 9) 133 #define RSN_KEY_DATA_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 10) 134 #define RSN_KEY_DATA_MULTIBAND_GTK RSN_SELECTOR(0x00, 0x0f, 0xac, 11) 135 #define RSN_KEY_DATA_MULTIBAND_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 12) 136 #define RSN_KEY_DATA_OCI RSN_SELECTOR(0x00, 0x0f, 0xac, 13) 137 #define RSN_KEY_DATA_BIGTK RSN_SELECTOR(0x00, 0x0f, 0xac, 14) 138 #define RSN_KEY_DATA_MLO_GTK RSN_SELECTOR(0x00, 0x0f, 0xac, 16) 139 #define RSN_KEY_DATA_MLO_IGTK RSN_SELECTOR(0x00, 0x0f, 0xac, 17) 140 #define RSN_KEY_DATA_MLO_BIGTK RSN_SELECTOR(0x00, 0x0f, 0xac, 18) 141 #define RSN_KEY_DATA_MLO_LINK RSN_SELECTOR(0x00, 0x0f, 0xac, 19) 142 143 #define WFA_KEY_DATA_IP_ADDR_REQ RSN_SELECTOR(0x50, 0x6f, 0x9a, 4) 144 #define WFA_KEY_DATA_IP_ADDR_ALLOC RSN_SELECTOR(0x50, 0x6f, 0x9a, 5) 145 #define WFA_KEY_DATA_TRANSITION_DISABLE RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x20) 146 #define WFA_KEY_DATA_DPP RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x21) 147 148 #ifndef WPA_OUI_TYPE 149 #define WPA_OUI_TYPE RSN_SELECTOR(0x00, 0x50, 0xf2, 1) 150 #endif 151 152 #define RSN_SELECTOR_PUT(a, val) WPA_PUT_BE32((u8 *) (a), (val)) 153 #define RSN_SELECTOR_GET(a) WPA_GET_BE32((const u8 *) (a)) 154 155 #define RSN_NUM_REPLAY_COUNTERS_1 0 156 #define RSN_NUM_REPLAY_COUNTERS_2 1 157 #define RSN_NUM_REPLAY_COUNTERS_4 2 158 #define RSN_NUM_REPLAY_COUNTERS_16 3 159 160 161 #ifdef _MSC_VER 162 #pragma pack(push, 1) 163 #endif /* _MSC_VER */ 164 165 #define WPA_IGTK_LEN 16 166 #define WPA_IGTK_MAX_LEN 32 167 #define WPA_BIGTK_LEN 16 168 #define WPA_BIGTK_MAX_LEN 32 169 170 171 /* IEEE 802.11, 7.3.2.25.3 RSN Capabilities */ 172 #define WPA_CAPABILITY_PREAUTH BIT(0) 173 #define WPA_CAPABILITY_NO_PAIRWISE BIT(1) 174 /* B2-B3: PTKSA Replay Counter */ 175 /* B4-B5: GTKSA Replay Counter */ 176 #define WPA_CAPABILITY_MFPR BIT(6) 177 #define WPA_CAPABILITY_MFPC BIT(7) 178 /* B8: Reserved */ 179 #define WPA_CAPABILITY_PEERKEY_ENABLED BIT(9) 180 #define WPA_CAPABILITY_SPP_A_MSDU_CAPABLE BIT(10) 181 #define WPA_CAPABILITY_SPP_A_MSDU_REQUIRED BIT(11) 182 #define WPA_CAPABILITY_PBAC BIT(12) 183 #define WPA_CAPABILITY_EXT_KEY_ID_FOR_UNICAST BIT(13) 184 #define WPA_CAPABILITY_OCVC BIT(14) 185 /* B15: Reserved */ 186 187 188 /* IEEE 802.11r */ 189 #define MOBILITY_DOMAIN_ID_LEN 2 190 #define FT_R0KH_ID_MAX_LEN 48 191 #define FT_R1KH_ID_LEN 6 192 #define WPA_PMK_NAME_LEN 16 193 194 /* FTE - MIC Control - RSNXE Used */ 195 #define FTE_MIC_CTRL_RSNXE_USED BIT(0) 196 #define FTE_MIC_CTRL_MIC_LEN_MASK (BIT(1) | BIT(2) | BIT(3)) 197 #define FTE_MIC_CTRL_MIC_LEN_SHIFT 1 198 199 /* FTE - MIC Length subfield values */ 200 enum ft_mic_len_subfield { 201 FTE_MIC_LEN_16 = 0, 202 FTE_MIC_LEN_24 = 1, 203 FTE_MIC_LEN_32 = 2, 204 }; 205 206 207 /* IEEE 802.11, 8.5.2 EAPOL-Key frames */ 208 #define WPA_KEY_INFO_TYPE_MASK ((u16) (BIT(0) | BIT(1) | BIT(2))) 209 #define WPA_KEY_INFO_TYPE_AKM_DEFINED 0 210 #define WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 BIT(0) 211 #define WPA_KEY_INFO_TYPE_HMAC_SHA1_AES BIT(1) 212 #define WPA_KEY_INFO_TYPE_AES_128_CMAC 3 213 #define WPA_KEY_INFO_KEY_TYPE BIT(3) /* 1 = Pairwise, 0 = Group key */ 214 /* bit4..5 is used in WPA, but is reserved in IEEE 802.11i/RSN */ 215 #define WPA_KEY_INFO_KEY_INDEX_MASK (BIT(4) | BIT(5)) 216 #define WPA_KEY_INFO_KEY_INDEX_SHIFT 4 217 #define WPA_KEY_INFO_INSTALL BIT(6) /* pairwise */ 218 #define WPA_KEY_INFO_TXRX BIT(6) /* group */ 219 #define WPA_KEY_INFO_ACK BIT(7) 220 #define WPA_KEY_INFO_MIC BIT(8) 221 #define WPA_KEY_INFO_SECURE BIT(9) 222 #define WPA_KEY_INFO_ERROR BIT(10) 223 #define WPA_KEY_INFO_REQUEST BIT(11) 224 #define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12) /* IEEE 802.11i/RSN only */ 225 #define WPA_KEY_INFO_SMK_MESSAGE BIT(13) 226 227 228 struct wpa_eapol_key { 229 u8 type; 230 /* Note: key_info, key_length, and key_data_length are unaligned */ 231 u8 key_info[2]; /* big endian */ 232 u8 key_length[2]; /* big endian */ 233 u8 replay_counter[WPA_REPLAY_COUNTER_LEN]; 234 u8 key_nonce[WPA_NONCE_LEN]; 235 u8 key_iv[16]; 236 u8 key_rsc[WPA_KEY_RSC_LEN]; 237 u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */ 238 /* variable length Key MIC field */ 239 /* big endian 2-octet Key Data Length field */ 240 /* followed by Key Data Length bytes of Key Data */ 241 } STRUCT_PACKED; 242 243 #define WPA_EAPOL_KEY_MIC_MAX_LEN 32 244 #define WPA_KCK_MAX_LEN 32 245 #define WPA_KEK_MAX_LEN 64 246 #define WPA_TK_MAX_LEN 32 247 #define WPA_KDK_MAX_LEN 32 248 #define FILS_ICK_MAX_LEN 48 249 #define FILS_FT_MAX_LEN 48 250 #define WPA_PASN_KCK_LEN 32 251 #define WPA_PASN_MIC_MAX_LEN 24 252 #define WPA_LTF_KEYSEED_MAX_LEN 48 253 254 /** 255 * struct wpa_ptk - WPA Pairwise Transient Key 256 * IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy 257 */ 258 struct wpa_ptk { 259 u8 kck[WPA_KCK_MAX_LEN]; /* EAPOL-Key Key Confirmation Key (KCK) */ 260 u8 kek[WPA_KEK_MAX_LEN]; /* EAPOL-Key Key Encryption Key (KEK) */ 261 u8 tk[WPA_TK_MAX_LEN]; /* Temporal Key (TK) */ 262 u8 kck2[WPA_KCK_MAX_LEN]; /* FT reasoc Key Confirmation Key (KCK2) */ 263 u8 kek2[WPA_KEK_MAX_LEN]; /* FT reassoc Key Encryption Key (KEK2) */ 264 u8 kdk[WPA_KDK_MAX_LEN]; /* Key Derivation Key */ 265 u8 ltf_keyseed[WPA_LTF_KEYSEED_MAX_LEN]; /* LTF Key seed */ 266 size_t kck_len; 267 size_t kek_len; 268 size_t tk_len; 269 size_t kck2_len; 270 size_t kek2_len; 271 size_t kdk_len; 272 size_t ltf_keyseed_len; 273 int installed; /* 1 if key has already been installed to driver */ 274 }; 275 276 struct wpa_gtk { 277 u8 gtk[WPA_GTK_MAX_LEN]; 278 size_t gtk_len; 279 }; 280 281 struct wpa_igtk { 282 u8 igtk[WPA_IGTK_MAX_LEN]; 283 size_t igtk_len; 284 }; 285 286 struct wpa_bigtk { 287 u8 bigtk[WPA_BIGTK_MAX_LEN]; 288 size_t bigtk_len; 289 }; 290 291 /* WPA IE version 1 292 * 00-50-f2:1 (OUI:OUI type) 293 * 0x01 0x00 (version; little endian) 294 * (all following fields are optional:) 295 * Group Suite Selector (4 octets) (default: TKIP) 296 * Pairwise Suite Count (2 octets, little endian) (default: 1) 297 * Pairwise Suite List (4 * n octets) (default: TKIP) 298 * Authenticated Key Management Suite Count (2 octets, little endian) 299 * (default: 1) 300 * Authenticated Key Management Suite List (4 * n octets) 301 * (default: unspec 802.1X) 302 * WPA Capabilities (2 octets, little endian) (default: 0) 303 */ 304 305 struct wpa_ie_hdr { 306 u8 elem_id; 307 u8 len; 308 u8 oui[4]; /* 24-bit OUI followed by 8-bit OUI type */ 309 u8 version[2]; /* little endian */ 310 } STRUCT_PACKED; 311 312 313 /* 1/4: PMKID 314 * 2/4: RSN IE 315 * 3/4: one or two RSN IEs + GTK IE (encrypted) 316 * 4/4: empty 317 * 1/2: GTK IE (encrypted) 318 * 2/2: empty 319 */ 320 321 /* RSN IE version 1 322 * 0x01 0x00 (version; little endian) 323 * (all following fields are optional:) 324 * Group Suite Selector (4 octets) (default: CCMP) 325 * Pairwise Suite Count (2 octets, little endian) (default: 1) 326 * Pairwise Suite List (4 * n octets) (default: CCMP) 327 * Authenticated Key Management Suite Count (2 octets, little endian) 328 * (default: 1) 329 * Authenticated Key Management Suite List (4 * n octets) 330 * (default: unspec 802.1X) 331 * RSN Capabilities (2 octets, little endian) (default: 0) 332 * PMKID Count (2 octets) (default: 0) 333 * PMKID List (16 * n octets) 334 * Management Group Cipher Suite (4 octets) (default: AES-128-CMAC) 335 */ 336 337 struct rsn_ie_hdr { 338 u8 elem_id; /* WLAN_EID_RSN */ 339 u8 len; 340 u8 version[2]; /* little endian */ 341 } STRUCT_PACKED; 342 343 344 #define KDE_HDR_LEN (1 + 1 + RSN_SELECTOR_LEN) 345 346 struct rsn_error_kde { 347 be16 mui; 348 be16 error_type; 349 } STRUCT_PACKED; 350 351 #define WPA_IGTK_KDE_PREFIX_LEN (2 + RSN_PN_LEN) 352 struct wpa_igtk_kde { 353 u8 keyid[2]; 354 u8 pn[RSN_PN_LEN]; 355 u8 igtk[WPA_IGTK_MAX_LEN]; 356 } STRUCT_PACKED; 357 358 #define WPA_BIGTK_KDE_PREFIX_LEN (2 + RSN_PN_LEN) 359 struct wpa_bigtk_kde { 360 u8 keyid[2]; 361 u8 pn[RSN_PN_LEN]; 362 u8 bigtk[WPA_BIGTK_MAX_LEN]; 363 } STRUCT_PACKED; 364 365 #define RSN_MLO_GTK_KDE_PREFIX_LENGTH (1 + RSN_PN_LEN) 366 #define RSN_MLO_GTK_KDE_PREFIX0_KEY_ID_MASK 0x03 367 #define RSN_MLO_GTK_KDE_PREFIX0_TX 0x04 368 #define RSN_MLO_GTK_KDE_PREFIX0_LINK_ID_SHIFT 4 369 #define RSN_MLO_GTK_KDE_PREFIX0_LINK_ID_MASK 0xF0 370 371 #define RSN_MLO_IGTK_KDE_PREFIX_LENGTH (2 + RSN_PN_LEN + 1) 372 #define RSN_MLO_IGTK_KDE_PREFIX8_LINK_ID_SHIFT 4 373 #define RSN_MLO_IGTK_KDE_PREFIX8_LINK_ID_MASK 0xF0 374 struct rsn_mlo_igtk_kde { 375 u8 keyid[2]; 376 u8 pn[RSN_PN_LEN]; 377 u8 prefix8; 378 u8 igtk[WPA_IGTK_MAX_LEN]; 379 } STRUCT_PACKED; 380 381 #define RSN_MLO_BIGTK_KDE_PREFIX_LENGTH (2 + RSN_PN_LEN + 1) 382 #define RSN_MLO_BIGTK_KDE_PREFIX8_LINK_ID_SHIFT 4 383 #define RSN_MLO_BIGTK_KDE_PREFIX8_LINK_ID_MASK 0xF0 384 struct rsn_mlo_bigtk_kde { 385 u8 keyid[2]; 386 u8 pn[RSN_PN_LEN]; 387 u8 prefix8; 388 u8 bigtk[WPA_BIGTK_MAX_LEN]; 389 } STRUCT_PACKED; 390 391 #define RSN_MLO_LINK_KDE_FIXED_LENGTH (1 + ETH_ALEN) 392 #define RSN_MLO_LINK_KDE_LINK_INFO_INDEX 0 393 #define RSN_MLO_LINK_KDE_LI_LINK_ID_SHIFT 0 394 #define RSN_MLO_LINK_KDE_LI_LINK_ID_MASK 0x0F 395 #define RSN_MLO_LINK_KDE_LI_RSNE_INFO 0x10 396 #define RSN_MLO_LINK_KDE_LI_RSNXE_INFO 0x20 397 #define RSN_MLO_LINK_KDE_LINK_MAC_INDEX 1 398 399 struct rsn_mdie { 400 u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN]; 401 u8 ft_capab; 402 } STRUCT_PACKED; 403 404 #define RSN_FT_CAPAB_FT_OVER_DS BIT(0) 405 #define RSN_FT_CAPAB_FT_RESOURCE_REQ_SUPP BIT(1) 406 407 struct rsn_ftie { 408 u8 mic_control[2]; 409 u8 mic[16]; 410 u8 anonce[WPA_NONCE_LEN]; 411 u8 snonce[WPA_NONCE_LEN]; 412 /* followed by optional parameters */ 413 } STRUCT_PACKED; 414 415 struct rsn_ftie_sha384 { 416 u8 mic_control[2]; 417 u8 mic[24]; 418 u8 anonce[WPA_NONCE_LEN]; 419 u8 snonce[WPA_NONCE_LEN]; 420 /* followed by optional parameters */ 421 } STRUCT_PACKED; 422 423 struct rsn_ftie_sha512 { 424 u8 mic_control[2]; 425 u8 mic[32]; 426 u8 anonce[WPA_NONCE_LEN]; 427 u8 snonce[WPA_NONCE_LEN]; 428 /* followed by optional parameters */ 429 } STRUCT_PACKED; 430 431 #define FTIE_SUBELEM_R1KH_ID 1 432 #define FTIE_SUBELEM_GTK 2 433 #define FTIE_SUBELEM_R0KH_ID 3 434 #define FTIE_SUBELEM_IGTK 4 435 #define FTIE_SUBELEM_OCI 5 436 #define FTIE_SUBELEM_BIGTK 6 437 #define FTIE_SUBELEM_MLO_GTK 8 438 #define FTIE_SUBELEM_MLO_IGTK 9 439 #define FTIE_SUBELEM_MLO_BIGTK 10 440 441 struct rsn_rdie { 442 u8 id; 443 u8 descr_count; 444 le16 status_code; 445 } STRUCT_PACKED; 446 447 /* WFA Transition Disable KDE (using OUI_WFA) */ 448 /* Transition Disable Bitmap bits */ 449 #define TRANSITION_DISABLE_WPA3_PERSONAL BIT(0) 450 #define TRANSITION_DISABLE_SAE_PK BIT(1) 451 #define TRANSITION_DISABLE_WPA3_ENTERPRISE BIT(2) 452 #define TRANSITION_DISABLE_ENHANCED_OPEN BIT(3) 453 454 /* DPP KDE Flags */ 455 #define DPP_KDE_PFS_ALLOWED BIT(0) 456 #define DPP_KDE_PFS_REQUIRED BIT(1) 457 458 #ifdef _MSC_VER 459 #pragma pack(pop) 460 #endif /* _MSC_VER */ 461 462 463 int wpa_eapol_key_mic(const u8 *key, size_t key_len, int akmp, int ver, 464 const u8 *buf, size_t len, u8 *mic); 465 int wpa_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const char *label, 466 const u8 *addr1, const u8 *addr2, 467 const u8 *nonce1, const u8 *nonce2, 468 struct wpa_ptk *ptk, int akmp, int cipher, 469 const u8 *z, size_t z_len, size_t kdk_len); 470 int fils_rmsk_to_pmk(int akmp, const u8 *rmsk, size_t rmsk_len, 471 const u8 *snonce, const u8 *anonce, const u8 *dh_ss, 472 size_t dh_ss_len, u8 *pmk, size_t *pmk_len); 473 int fils_pmkid_erp(int akmp, const u8 *reauth, size_t reauth_len, 474 u8 *pmkid); 475 int fils_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const u8 *spa, const u8 *aa, 476 const u8 *snonce, const u8 *anonce, const u8 *dhss, 477 size_t dhss_len, struct wpa_ptk *ptk, 478 u8 *ick, size_t *ick_len, int akmp, int cipher, 479 u8 *fils_ft, size_t *fils_ft_len, size_t kdk_len); 480 int fils_key_auth_sk(const u8 *ick, size_t ick_len, const u8 *snonce, 481 const u8 *anonce, const u8 *sta_addr, const u8 *bssid, 482 const u8 *g_sta, size_t g_sta_len, 483 const u8 *g_ap, size_t g_ap_len, 484 int akmp, u8 *key_auth_sta, u8 *key_auth_ap, 485 size_t *key_auth_len); 486 487 #ifdef CONFIG_IEEE80211R 488 int wpa_ft_mic(int key_mgmt, const u8 *kck, size_t kck_len, const u8 *sta_addr, 489 const u8 *ap_addr, u8 transaction_seqnum, 490 const u8 *mdie, size_t mdie_len, 491 const u8 *ftie, size_t ftie_len, 492 const u8 *rsnie, size_t rsnie_len, 493 const u8 *ric, size_t ric_len, 494 const u8 *rsnxe, size_t rsnxe_len, 495 const struct wpabuf *extra, 496 u8 *mic); 497 int wpa_derive_pmk_r0(const u8 *xxkey, size_t xxkey_len, 498 const u8 *ssid, size_t ssid_len, 499 const u8 *mdid, const u8 *r0kh_id, size_t r0kh_id_len, 500 const u8 *s0kh_id, u8 *pmk_r0, u8 *pmk_r0_name, 501 int key_mgmt); 502 int wpa_derive_pmk_r1_name(const u8 *pmk_r0_name, const u8 *r1kh_id, 503 const u8 *s1kh_id, u8 *pmk_r1_name, 504 size_t pmk_r1_len); 505 int wpa_derive_pmk_r1(const u8 *pmk_r0, size_t pmk_r0_len, 506 const u8 *pmk_r0_name, 507 const u8 *r1kh_id, const u8 *s1kh_id, 508 u8 *pmk_r1, u8 *pmk_r1_name); 509 int wpa_pmk_r1_to_ptk(const u8 *pmk_r1, size_t pmk_r1_len, const u8 *snonce, 510 const u8 *anonce, const u8 *sta_addr, const u8 *bssid, 511 const u8 *pmk_r1_name, 512 struct wpa_ptk *ptk, u8 *ptk_name, int akmp, int cipher, 513 size_t kdk_len); 514 #endif /* CONFIG_IEEE80211R */ 515 516 struct wpa_ie_data { 517 int proto; 518 int pairwise_cipher; 519 int has_pairwise; 520 int group_cipher; 521 int has_group; 522 int key_mgmt; 523 int capabilities; 524 size_t num_pmkid; 525 const u8 *pmkid; 526 int mgmt_group_cipher; 527 }; 528 529 530 int wpa_parse_wpa_ie_rsn(const u8 *rsn_ie, size_t rsn_ie_len, 531 struct wpa_ie_data *data); 532 int wpa_parse_wpa_ie_wpa(const u8 *wpa_ie, size_t wpa_ie_len, 533 struct wpa_ie_data *data); 534 int wpa_default_rsn_cipher(int freq); 535 536 void rsn_pmkid(const u8 *pmk, size_t pmk_len, const u8 *aa, const u8 *spa, 537 u8 *pmkid, int akmp); 538 #ifdef CONFIG_SUITEB 539 int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa, 540 const u8 *spa, u8 *pmkid); 541 #else /* CONFIG_SUITEB */ 542 static inline int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa, 543 const u8 *spa, u8 *pmkid) 544 { 545 return -1; 546 } 547 #endif /* CONFIG_SUITEB */ 548 #ifdef CONFIG_SUITEB192 549 int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len, const u8 *aa, 550 const u8 *spa, u8 *pmkid); 551 #else /* CONFIG_SUITEB192 */ 552 static inline int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len, 553 const u8 *aa, const u8 *spa, u8 *pmkid) 554 { 555 return -1; 556 } 557 #endif /* CONFIG_SUITEB192 */ 558 559 const char * wpa_cipher_txt(int cipher); 560 const char * wpa_key_mgmt_txt(int key_mgmt, int proto); 561 u32 wpa_akm_to_suite(int akm); 562 int wpa_compare_rsn_ie(int ft_initial_assoc, 563 const u8 *ie1, size_t ie1len, 564 const u8 *ie2, size_t ie2len); 565 int wpa_insert_pmkid(u8 *ies, size_t *ies_len, const u8 *pmkid, bool replace); 566 567 struct wpa_ft_ies { 568 const u8 *mdie; 569 size_t mdie_len; 570 const u8 *ftie; 571 size_t ftie_len; 572 const u8 *r1kh_id; 573 const u8 *gtk; 574 size_t gtk_len; 575 const u8 *r0kh_id; 576 size_t r0kh_id_len; 577 const u8 *fte_anonce; 578 const u8 *fte_snonce; 579 bool fte_rsnxe_used; 580 unsigned int fte_elem_count; 581 const u8 *fte_mic; 582 size_t fte_mic_len; 583 const u8 *rsn; 584 size_t rsn_len; 585 u16 rsn_capab; 586 const u8 *rsn_pmkid; 587 const u8 *tie; 588 size_t tie_len; 589 const u8 *igtk; 590 size_t igtk_len; 591 const u8 *bigtk; 592 size_t bigtk_len; 593 #ifdef CONFIG_OCV 594 const u8 *oci; 595 size_t oci_len; 596 #endif /* CONFIG_OCV */ 597 const u8 *ric; 598 size_t ric_len; 599 int key_mgmt; 600 int pairwise_cipher; 601 const u8 *rsnxe; 602 size_t rsnxe_len; 603 u16 valid_mlo_gtks; /* bitmap of valid link GTK subelements */ 604 const u8 *mlo_gtk[MAX_NUM_MLD_LINKS]; 605 size_t mlo_gtk_len[MAX_NUM_MLD_LINKS]; 606 u16 valid_mlo_igtks; /* bitmap of valid link IGTK subelements */ 607 const u8 *mlo_igtk[MAX_NUM_MLD_LINKS]; 608 size_t mlo_igtk_len[MAX_NUM_MLD_LINKS]; 609 u16 valid_mlo_bigtks; /* bitmap of valid link BIGTK subelements */ 610 const u8 *mlo_bigtk[MAX_NUM_MLD_LINKS]; 611 size_t mlo_bigtk_len[MAX_NUM_MLD_LINKS]; 612 613 struct wpabuf *fte_buf; 614 }; 615 616 /* IEEE P802.11az/D2.6 - 9.4.2.303 PASN Parameters element */ 617 #define WPA_PASN_CTRL_COMEBACK_INFO_PRESENT BIT(0) 618 #define WPA_PASN_CTRL_GROUP_AND_KEY_PRESENT BIT(1) 619 620 #define WPA_PASN_WRAPPED_DATA_NO 0 621 #define WPA_PASN_WRAPPED_DATA_FT 1 622 #define WPA_PASN_WRAPPED_DATA_FILS_SK 2 623 #define WPA_PASN_WRAPPED_DATA_SAE 3 624 625 struct pasn_parameter_ie { 626 u8 id; 627 u8 len; 628 u8 id_ext; 629 u8 control; /* WPA_PASN_CTRL_* */ 630 u8 wrapped_data_format; /* WPA_PASN_WRAPPED_DATA_* */ 631 } STRUCT_PACKED; 632 633 struct wpa_pasn_params_data { 634 u8 wrapped_data_format; 635 u16 after; 636 u8 comeback_len; 637 const u8 *comeback; 638 u16 group; 639 u8 pubkey_len; 640 const u8 *pubkey; 641 }; 642 643 /* See RFC 5480 section 2.2 */ 644 #define WPA_PASN_PUBKEY_COMPRESSED_0 0x02 645 #define WPA_PASN_PUBKEY_COMPRESSED_1 0x03 646 #define WPA_PASN_PUBKEY_UNCOMPRESSED 0x04 647 648 int wpa_ft_parse_ies(const u8 *ies, size_t ies_len, struct wpa_ft_ies *parse, 649 int key_mgmt, bool reassoc_resp); 650 void wpa_ft_parse_ies_free(struct wpa_ft_ies *parse); 651 652 struct wpa_eapol_ie_parse { 653 const u8 *wpa_ie; 654 size_t wpa_ie_len; 655 const u8 *rsn_ie; 656 size_t rsn_ie_len; 657 const u8 *pmkid; 658 const u8 *key_id; 659 const u8 *gtk; 660 size_t gtk_len; 661 const u8 *mac_addr; 662 const u8 *igtk; 663 size_t igtk_len; 664 const u8 *bigtk; 665 size_t bigtk_len; 666 const u8 *mdie; 667 size_t mdie_len; 668 const u8 *ftie; 669 size_t ftie_len; 670 const u8 *ip_addr_req; 671 const u8 *ip_addr_alloc; 672 const u8 *transition_disable; 673 size_t transition_disable_len; 674 const u8 *dpp_kde; 675 size_t dpp_kde_len; 676 const u8 *oci; 677 size_t oci_len; 678 const u8 *osen; 679 size_t osen_len; 680 const u8 *rsnxe; 681 size_t rsnxe_len; 682 const u8 *reassoc_deadline; 683 const u8 *key_lifetime; 684 const u8 *lnkid; 685 size_t lnkid_len; 686 const u8 *ext_capab; 687 size_t ext_capab_len; 688 const u8 *supp_rates; 689 size_t supp_rates_len; 690 const u8 *ext_supp_rates; 691 size_t ext_supp_rates_len; 692 const u8 *ht_capabilities; 693 const u8 *vht_capabilities; 694 const u8 *he_capabilities; 695 size_t he_capab_len; 696 const u8 *he_6ghz_capabilities; 697 const u8 *eht_capabilities; 698 size_t eht_capab_len; 699 const u8 *supp_channels; 700 size_t supp_channels_len; 701 const u8 *supp_oper_classes; 702 size_t supp_oper_classes_len; 703 const u8 *ssid; 704 size_t ssid_len; 705 u8 qosinfo; 706 u16 aid; 707 const u8 *wmm; 708 size_t wmm_len; 709 u16 valid_mlo_gtks; /* bitmap of valid link GTK KDEs */ 710 const u8 *mlo_gtk[MAX_NUM_MLD_LINKS]; 711 size_t mlo_gtk_len[MAX_NUM_MLD_LINKS]; 712 u16 valid_mlo_igtks; /* bitmap of valid link IGTK KDEs */ 713 const u8 *mlo_igtk[MAX_NUM_MLD_LINKS]; 714 size_t mlo_igtk_len[MAX_NUM_MLD_LINKS]; 715 u16 valid_mlo_bigtks; /* bitmap of valid link BIGTK KDEs */ 716 const u8 *mlo_bigtk[MAX_NUM_MLD_LINKS]; 717 size_t mlo_bigtk_len[MAX_NUM_MLD_LINKS]; 718 u16 valid_mlo_links; /* bitmap of valid MLO link KDEs */ 719 const u8 *mlo_link[MAX_NUM_MLD_LINKS]; 720 size_t mlo_link_len[MAX_NUM_MLD_LINKS]; 721 }; 722 723 int wpa_parse_kde_ies(const u8 *buf, size_t len, struct wpa_eapol_ie_parse *ie); 724 static inline int wpa_supplicant_parse_ies(const u8 *buf, size_t len, 725 struct wpa_eapol_ie_parse *ie) 726 { 727 return wpa_parse_kde_ies(buf, len, ie); 728 } 729 730 731 int wpa_cipher_key_len(int cipher); 732 int wpa_cipher_rsc_len(int cipher); 733 enum wpa_alg wpa_cipher_to_alg(int cipher); 734 int wpa_cipher_valid_group(int cipher); 735 int wpa_cipher_valid_pairwise(int cipher); 736 int wpa_cipher_valid_mgmt_group(int cipher); 737 u32 wpa_cipher_to_suite(int proto, int cipher); 738 int rsn_cipher_put_suites(u8 *pos, int ciphers); 739 int wpa_cipher_put_suites(u8 *pos, int ciphers); 740 int wpa_pick_pairwise_cipher(int ciphers, int none_allowed); 741 int wpa_pick_group_cipher(int ciphers); 742 int wpa_parse_cipher(const char *value); 743 int wpa_write_ciphers(char *start, char *end, int ciphers, const char *delim); 744 int wpa_select_ap_group_cipher(int wpa, int wpa_pairwise, int rsn_pairwise); 745 unsigned int wpa_mic_len(int akmp, size_t pmk_len); 746 int wpa_use_akm_defined(int akmp); 747 int wpa_use_cmac(int akmp); 748 int wpa_use_aes_key_wrap(int akmp); 749 int fils_domain_name_hash(const char *domain, u8 *hash); 750 751 bool pasn_use_sha384(int akmp, int cipher); 752 int pasn_pmk_to_ptk(const u8 *pmk, size_t pmk_len, 753 const u8 *spa, const u8 *bssid, 754 const u8 *dhss, size_t dhss_len, 755 struct wpa_ptk *ptk, int akmp, int cipher, 756 size_t kdk_len); 757 758 u8 pasn_mic_len(int akmp, int cipher); 759 760 int pasn_mic(const u8 *kck, int akmp, int cipher, 761 const u8 *addr1, const u8 *addr2, 762 const u8 *data, size_t data_len, 763 const u8 *frame, size_t frame_len, u8 *mic); 764 765 int wpa_ltf_keyseed(struct wpa_ptk *ptk, int akmp, int cipher); 766 767 int pasn_auth_frame_hash(int akmp, int cipher, const u8 *data, size_t len, 768 u8 *hash); 769 770 void wpa_pasn_build_auth_header(struct wpabuf *buf, const u8 *bssid, 771 const u8 *src, const u8 *dst, 772 u8 trans_seq, u16 status); 773 774 int wpa_pasn_add_rsne(struct wpabuf *buf, const u8 *pmkid, 775 int akmp, int cipher); 776 777 void wpa_pasn_add_parameter_ie(struct wpabuf *buf, u16 pasn_group, 778 u8 wrapped_data_format, 779 const struct wpabuf *pubkey, bool compressed, 780 const struct wpabuf *comeback, int after); 781 782 int wpa_pasn_add_wrapped_data(struct wpabuf *buf, 783 struct wpabuf *wrapped_data_buf); 784 785 int wpa_pasn_validate_rsne(const struct wpa_ie_data *data); 786 int wpa_pasn_parse_parameter_ie(const u8 *data, u8 len, bool from_ap, 787 struct wpa_pasn_params_data *pasn_params); 788 789 void wpa_pasn_add_rsnxe(struct wpabuf *buf, u16 capab); 790 int wpa_pasn_add_extra_ies(struct wpabuf *buf, const u8 *extra_ies, size_t len); 791 792 #endif /* WPA_COMMON_H */ 793
Indexes created Tue Feb 24 01:34:59 UTC 2026