Lines Matching +full:mic +full:- +full:pos
2 * WPA Supplicant - IEEE 802.11r - Fast BSS Transition
3 * Copyright (c) 2006-2018, Jouni Malinen <j@w1.fi>
41 const u8 *anonce = key->key_nonce; in wpa_derive_ptk_ft()
42 int use_sha384 = wpa_key_mgmt_sha384(sm->key_mgmt); in wpa_derive_ptk_ft()
47 if (sm->xxkey_len > 0) { in wpa_derive_ptk_ft()
48 mpmk = sm->xxkey; in wpa_derive_ptk_ft()
49 mpmk_len = sm->xxkey_len; in wpa_derive_ptk_ft()
50 } else if (sm->cur_pmksa) { in wpa_derive_ptk_ft()
51 mpmk = sm->cur_pmksa->pmk; in wpa_derive_ptk_ft()
52 mpmk_len = sm->cur_pmksa->pmk_len; in wpa_derive_ptk_ft()
56 return -1; in wpa_derive_ptk_ft()
59 if (wpa_key_mgmt_sae_ext_key(sm->key_mgmt)) in wpa_derive_ptk_ft()
60 sm->pmk_r0_len = mpmk_len; in wpa_derive_ptk_ft()
62 sm->pmk_r0_len = use_sha384 ? SHA384_MAC_LEN : PMK_LEN; in wpa_derive_ptk_ft()
63 if (wpa_derive_pmk_r0(mpmk, mpmk_len, sm->ssid, in wpa_derive_ptk_ft()
64 sm->ssid_len, sm->mobility_domain, in wpa_derive_ptk_ft()
65 sm->r0kh_id, sm->r0kh_id_len, sm->own_addr, in wpa_derive_ptk_ft()
66 sm->pmk_r0, sm->pmk_r0_name, sm->key_mgmt) < 0) in wpa_derive_ptk_ft()
67 return -1; in wpa_derive_ptk_ft()
68 sm->pmk_r1_len = sm->pmk_r0_len; in wpa_derive_ptk_ft()
69 if (wpa_derive_pmk_r1(sm->pmk_r0, sm->pmk_r0_len, sm->pmk_r0_name, in wpa_derive_ptk_ft()
70 sm->r1kh_id, sm->own_addr, sm->pmk_r1, in wpa_derive_ptk_ft()
71 sm->pmk_r1_name) < 0) in wpa_derive_ptk_ft()
72 return -1; in wpa_derive_ptk_ft()
76 if (sm->force_kdk_derivation || in wpa_derive_ptk_ft()
77 (sm->secure_ltf && in wpa_derive_ptk_ft()
78 ieee802_11_rsnx_capab(sm->ap_rsnxe, WLAN_RSNX_CAPAB_SECURE_LTF))) in wpa_derive_ptk_ft()
83 ret = wpa_pmk_r1_to_ptk(sm->pmk_r1, sm->pmk_r1_len, sm->snonce, in wpa_derive_ptk_ft()
84 anonce, sm->own_addr, wpa_sm_get_auth_addr(sm), in wpa_derive_ptk_ft()
85 sm->pmk_r1_name, ptk, ptk_name, sm->key_mgmt, in wpa_derive_ptk_ft()
86 sm->pairwise_cipher, kdk_len); in wpa_derive_ptk_ft()
92 os_memcpy(sm->key_mobility_domain, sm->mobility_domain, in wpa_derive_ptk_ft()
96 if (sm->secure_ltf && in wpa_derive_ptk_ft()
97 ieee802_11_rsnx_capab(sm->ap_rsnxe, WLAN_RSNX_CAPAB_SECURE_LTF)) in wpa_derive_ptk_ft()
98 ret = wpa_ltf_keyseed(ptk, sm->key_mgmt, sm->pairwise_cipher); in wpa_derive_ptk_ft()
106 * wpa_sm_set_ft_params - Set FT (IEEE 802.11r) parameters
110 * Returns: 0 on success, -1 on failure
120 os_free(sm->assoc_resp_ies); in wpa_sm_set_ft_params()
121 sm->assoc_resp_ies = NULL; in wpa_sm_set_ft_params()
122 sm->assoc_resp_ies_len = 0; in wpa_sm_set_ft_params()
123 os_memset(sm->mobility_domain, 0, MOBILITY_DOMAIN_ID_LEN); in wpa_sm_set_ft_params()
124 os_memset(sm->r0kh_id, 0, FT_R0KH_ID_MAX_LEN); in wpa_sm_set_ft_params()
125 sm->r0kh_id_len = 0; in wpa_sm_set_ft_params()
126 os_memset(sm->r1kh_id, 0, FT_R1KH_ID_LEN); in wpa_sm_set_ft_params()
130 if (wpa_ft_parse_ies(ies, ies_len, &ft, sm->key_mgmt, false) < 0) in wpa_sm_set_ft_params()
131 return -1; in wpa_sm_set_ft_params()
135 return -1; in wpa_sm_set_ft_params()
140 os_memcpy(sm->mobility_domain, ft.mdie, MOBILITY_DOMAIN_ID_LEN); in wpa_sm_set_ft_params()
141 sm->mdie_ft_capab = ft.mdie[MOBILITY_DOMAIN_ID_LEN]; in wpa_sm_set_ft_params()
143 sm->mdie_ft_capab); in wpa_sm_set_ft_params()
146 wpa_hexdump(MSG_DEBUG, "FT: R0KH-ID", in wpa_sm_set_ft_params()
148 os_memcpy(sm->r0kh_id, ft.r0kh_id, ft.r0kh_id_len); in wpa_sm_set_ft_params()
149 sm->r0kh_id_len = ft.r0kh_id_len; in wpa_sm_set_ft_params()
151 /* FIX: When should R0KH-ID be cleared? We need to keep the in wpa_sm_set_ft_params()
152 * old R0KH-ID in order to be able to use this during FT. */ in wpa_sm_set_ft_params()
154 * os_memset(sm->r0kh_id, 0, FT_R0KH_ID_LEN); in wpa_sm_set_ft_params()
155 * sm->r0kh_id_len = 0; in wpa_sm_set_ft_params()
160 wpa_hexdump(MSG_DEBUG, "FT: R1KH-ID", in wpa_sm_set_ft_params()
162 os_memcpy(sm->r1kh_id, ft.r1kh_id, FT_R1KH_ID_LEN); in wpa_sm_set_ft_params()
164 os_memset(sm->r1kh_id, 0, FT_R1KH_ID_LEN); in wpa_sm_set_ft_params()
166 os_free(sm->assoc_resp_ies); in wpa_sm_set_ft_params()
167 sm->assoc_resp_ies = os_malloc(ft.mdie_len + 2 + ft.ftie_len + 2); in wpa_sm_set_ft_params()
168 if (sm->assoc_resp_ies) { in wpa_sm_set_ft_params()
169 u8 *pos = sm->assoc_resp_ies; in wpa_sm_set_ft_params() local
171 os_memcpy(pos, ft.mdie - 2, ft.mdie_len + 2); in wpa_sm_set_ft_params()
172 pos += ft.mdie_len + 2; in wpa_sm_set_ft_params()
175 os_memcpy(pos, ft.ftie - 2, ft.ftie_len + 2); in wpa_sm_set_ft_params()
176 pos += ft.ftie_len + 2; in wpa_sm_set_ft_params()
178 sm->assoc_resp_ies_len = pos - sm->assoc_resp_ies; in wpa_sm_set_ft_params()
181 sm->assoc_resp_ies, sm->assoc_resp_ies_len); in wpa_sm_set_ft_params()
190 * wpa_ft_gen_req_ies - Generate FT (IEEE 802.11r) IEs for Auth/ReAssoc Request
195 * @kck: KCK for MIC or %NULL if no MIC is used
198 * @ric_ies: Optional IE(s), e.g., WMM TSPEC(s), for RIC-Request or %NULL
214 u8 *buf, *pos, *ftie_len, *ftie_pos, *fte_mic, *elem_count; in wpa_ft_gen_req_ies() local
224 sm->ft_completed = 0; in wpa_ft_gen_req_ies()
225 sm->ft_reassoc_completed = 0; in wpa_ft_gen_req_ies()
229 2 + sm->r0kh_id_len + ric_ies_len + 100; in wpa_ft_gen_req_ies()
233 pos = buf; in wpa_ft_gen_req_ies()
236 rsnie = (struct rsn_ie_hdr *) pos; in wpa_ft_gen_req_ies()
237 rsnie->elem_id = WLAN_EID_RSN; in wpa_ft_gen_req_ies()
238 WPA_PUT_LE16(rsnie->version, RSN_VERSION); in wpa_ft_gen_req_ies()
239 pos = (u8 *) (rsnie + 1); in wpa_ft_gen_req_ies()
242 if (!wpa_cipher_valid_group(sm->group_cipher)) { in wpa_ft_gen_req_ies()
244 sm->group_cipher); in wpa_ft_gen_req_ies()
248 RSN_SELECTOR_PUT(pos, wpa_cipher_to_suite(WPA_PROTO_RSN, in wpa_ft_gen_req_ies()
249 sm->group_cipher)); in wpa_ft_gen_req_ies()
250 pos += RSN_SELECTOR_LEN; in wpa_ft_gen_req_ies()
253 WPA_PUT_LE16(pos, 1); in wpa_ft_gen_req_ies()
254 pos += 2; in wpa_ft_gen_req_ies()
257 if (!wpa_cipher_valid_pairwise(sm->pairwise_cipher)) { in wpa_ft_gen_req_ies()
259 sm->pairwise_cipher); in wpa_ft_gen_req_ies()
263 RSN_SELECTOR_PUT(pos, wpa_cipher_to_suite(WPA_PROTO_RSN, in wpa_ft_gen_req_ies()
264 sm->pairwise_cipher)); in wpa_ft_gen_req_ies()
265 pos += RSN_SELECTOR_LEN; in wpa_ft_gen_req_ies()
268 WPA_PUT_LE16(pos, 1); in wpa_ft_gen_req_ies()
269 pos += 2; in wpa_ft_gen_req_ies()
272 if (sm->key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X) in wpa_ft_gen_req_ies()
273 RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X); in wpa_ft_gen_req_ies()
275 else if (sm->key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X_SHA384) in wpa_ft_gen_req_ies()
276 RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384); in wpa_ft_gen_req_ies()
278 else if (sm->key_mgmt == WPA_KEY_MGMT_FT_PSK) in wpa_ft_gen_req_ies()
279 RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_PSK); in wpa_ft_gen_req_ies()
280 else if (sm->key_mgmt == WPA_KEY_MGMT_FT_SAE) in wpa_ft_gen_req_ies()
281 RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_SAE); in wpa_ft_gen_req_ies()
282 else if (sm->key_mgmt == WPA_KEY_MGMT_FT_SAE_EXT_KEY) in wpa_ft_gen_req_ies()
283 RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_SAE_EXT_KEY); in wpa_ft_gen_req_ies()
285 else if (sm->key_mgmt == WPA_KEY_MGMT_FT_FILS_SHA256) in wpa_ft_gen_req_ies()
286 RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_FILS_SHA256); in wpa_ft_gen_req_ies()
287 else if (sm->key_mgmt == WPA_KEY_MGMT_FT_FILS_SHA384) in wpa_ft_gen_req_ies()
288 RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_FILS_SHA384); in wpa_ft_gen_req_ies()
292 sm->key_mgmt); in wpa_ft_gen_req_ies()
296 pos += RSN_SELECTOR_LEN; in wpa_ft_gen_req_ies()
299 WPA_PUT_LE16(pos, rsn_supp_capab(sm)); in wpa_ft_gen_req_ies()
300 pos += 2; in wpa_ft_gen_req_ies()
303 WPA_PUT_LE16(pos, 1); in wpa_ft_gen_req_ies()
304 pos += 2; in wpa_ft_gen_req_ies()
307 os_memcpy(pos, pmk_name, WPA_PMK_NAME_LEN); in wpa_ft_gen_req_ies()
308 pos += WPA_PMK_NAME_LEN; in wpa_ft_gen_req_ies()
311 switch (sm->mgmt_group_cipher) { in wpa_ft_gen_req_ies()
313 RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC); in wpa_ft_gen_req_ies()
314 pos += RSN_SELECTOR_LEN; in wpa_ft_gen_req_ies()
317 RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_BIP_GMAC_128); in wpa_ft_gen_req_ies()
318 pos += RSN_SELECTOR_LEN; in wpa_ft_gen_req_ies()
321 RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_BIP_GMAC_256); in wpa_ft_gen_req_ies()
322 pos += RSN_SELECTOR_LEN; in wpa_ft_gen_req_ies()
325 RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_BIP_CMAC_256); in wpa_ft_gen_req_ies()
326 pos += RSN_SELECTOR_LEN; in wpa_ft_gen_req_ies()
330 rsnie->len = (pos - (u8 *) rsnie) - 2; in wpa_ft_gen_req_ies()
333 mdie_len = wpa_ft_add_mdie(sm, pos, buf_len - (pos - buf), ap_mdie); in wpa_ft_gen_req_ies()
338 mdie = (struct rsn_mdie *) (pos + 2); in wpa_ft_gen_req_ies()
339 pos += mdie_len; in wpa_ft_gen_req_ies()
341 /* FTIE[SNonce, [R1KH-ID,] R0KH-ID ] */ in wpa_ft_gen_req_ies()
342 ftie_pos = pos; in wpa_ft_gen_req_ies()
343 *pos++ = WLAN_EID_FAST_BSS_TRANSITION; in wpa_ft_gen_req_ies()
344 ftie_len = pos++; in wpa_ft_gen_req_ies()
345 rsnxe_used = wpa_key_mgmt_sae(sm->key_mgmt) && anonce && in wpa_ft_gen_req_ies()
346 (sm->sae_pwe == SAE_PWE_HASH_TO_ELEMENT || in wpa_ft_gen_req_ies()
347 sm->sae_pwe == SAE_PWE_BOTH); in wpa_ft_gen_req_ies()
349 if (anonce && sm->ft_rsnxe_used) { in wpa_ft_gen_req_ies()
350 rsnxe_used = sm->ft_rsnxe_used == 1; in wpa_ft_gen_req_ies()
356 if (sm->key_mgmt == WPA_KEY_MGMT_FT_SAE_EXT_KEY && in wpa_ft_gen_req_ies()
357 sm->pmk_r0_len == SHA512_MAC_LEN) { in wpa_ft_gen_req_ies()
360 ftie = (struct rsn_ftie_sha512 *) pos; in wpa_ft_gen_req_ies()
362 ftie->mic_control[0] = mic_control; in wpa_ft_gen_req_ies()
363 fte_mic = ftie->mic; in wpa_ft_gen_req_ies()
364 elem_count = &ftie->mic_control[1]; in wpa_ft_gen_req_ies()
365 pos += sizeof(*ftie); in wpa_ft_gen_req_ies()
366 os_memcpy(ftie->snonce, sm->snonce, WPA_NONCE_LEN); in wpa_ft_gen_req_ies()
368 os_memcpy(ftie->anonce, anonce, WPA_NONCE_LEN); in wpa_ft_gen_req_ies()
369 } else if ((sm->key_mgmt == WPA_KEY_MGMT_FT_SAE_EXT_KEY && in wpa_ft_gen_req_ies()
370 sm->pmk_r0_len == SHA384_MAC_LEN) || in wpa_ft_gen_req_ies()
371 wpa_key_mgmt_sha384(sm->key_mgmt)) { in wpa_ft_gen_req_ies()
374 ftie = (struct rsn_ftie_sha384 *) pos; in wpa_ft_gen_req_ies()
376 ftie->mic_control[0] = mic_control; in wpa_ft_gen_req_ies()
377 fte_mic = ftie->mic; in wpa_ft_gen_req_ies()
378 elem_count = &ftie->mic_control[1]; in wpa_ft_gen_req_ies()
379 pos += sizeof(*ftie); in wpa_ft_gen_req_ies()
380 os_memcpy(ftie->snonce, sm->snonce, WPA_NONCE_LEN); in wpa_ft_gen_req_ies()
382 os_memcpy(ftie->anonce, anonce, WPA_NONCE_LEN); in wpa_ft_gen_req_ies()
386 ftie = (struct rsn_ftie *) pos; in wpa_ft_gen_req_ies()
388 ftie->mic_control[0] = mic_control; in wpa_ft_gen_req_ies()
389 fte_mic = ftie->mic; in wpa_ft_gen_req_ies()
390 elem_count = &ftie->mic_control[1]; in wpa_ft_gen_req_ies()
391 pos += sizeof(*ftie); in wpa_ft_gen_req_ies()
392 os_memcpy(ftie->snonce, sm->snonce, WPA_NONCE_LEN); in wpa_ft_gen_req_ies()
394 os_memcpy(ftie->anonce, anonce, WPA_NONCE_LEN); in wpa_ft_gen_req_ies()
397 /* R1KH-ID sub-element in third FT message */ in wpa_ft_gen_req_ies()
398 *pos++ = FTIE_SUBELEM_R1KH_ID; in wpa_ft_gen_req_ies()
399 *pos++ = FT_R1KH_ID_LEN; in wpa_ft_gen_req_ies()
400 os_memcpy(pos, sm->r1kh_id, FT_R1KH_ID_LEN); in wpa_ft_gen_req_ies()
401 pos += FT_R1KH_ID_LEN; in wpa_ft_gen_req_ies()
403 /* R0KH-ID sub-element */ in wpa_ft_gen_req_ies()
404 *pos++ = FTIE_SUBELEM_R0KH_ID; in wpa_ft_gen_req_ies()
405 *pos++ = sm->r0kh_id_len; in wpa_ft_gen_req_ies()
406 os_memcpy(pos, sm->r0kh_id, sm->r0kh_id_len); in wpa_ft_gen_req_ies()
407 pos += sm->r0kh_id_len; in wpa_ft_gen_req_ies()
410 /* OCI sub-element in the third FT message */ in wpa_ft_gen_req_ies()
420 if (sm->oci_freq_override_ft_assoc) { in wpa_ft_gen_req_ies()
422 "TEST: Override OCI KDE frequency %d -> %d MHz", in wpa_ft_gen_req_ies()
423 ci.frequency, sm->oci_freq_override_ft_assoc); in wpa_ft_gen_req_ies()
424 ci.frequency = sm->oci_freq_override_ft_assoc; in wpa_ft_gen_req_ies()
428 *pos++ = FTIE_SUBELEM_OCI; in wpa_ft_gen_req_ies()
429 *pos++ = OCV_OCI_LEN; in wpa_ft_gen_req_ies()
430 if (ocv_insert_oci(&ci, &pos) < 0) { in wpa_ft_gen_req_ies()
436 *ftie_len = pos - ftie_len - 1; in wpa_ft_gen_req_ies()
440 os_memcpy(pos, ric_ies, ric_ies_len); in wpa_ft_gen_req_ies()
441 pos += ric_ies_len; in wpa_ft_gen_req_ies()
457 * IEEE Std 802.11r-2008, 11A.8.4 in wpa_ft_gen_req_ies()
458 * MIC shall be calculated over: in wpa_ft_gen_req_ies()
459 * non-AP STA MAC address in wpa_ft_gen_req_ies()
464 * FTIE (with MIC field set to 0) in wpa_ft_gen_req_ies()
465 * RIC-Request (if present) in wpa_ft_gen_req_ies()
472 if (wpa_ft_mic(sm->key_mgmt, kck, kck_len, in wpa_ft_gen_req_ies()
473 sm->own_addr, target_ap, 5, in wpa_ft_gen_req_ies()
474 ((u8 *) mdie) - 2, 2 + sizeof(*mdie), in wpa_ft_gen_req_ies()
476 (u8 *) rsnie, 2 + rsnie->len, ric_ies, in wpa_ft_gen_req_ies()
480 wpa_printf(MSG_INFO, "FT: Failed to calculate MIC"); in wpa_ft_gen_req_ies()
486 *len = pos - buf; in wpa_ft_gen_req_ies()
500 if (!wpa_cipher_valid_pairwise(sm->pairwise_cipher)) { in wpa_ft_install_ptk()
502 sm->pairwise_cipher); in wpa_ft_install_ptk()
503 return -1; in wpa_ft_install_ptk()
506 alg = wpa_cipher_to_alg(sm->pairwise_cipher); in wpa_ft_install_ptk()
507 keylen = wpa_cipher_key_len(sm->pairwise_cipher); in wpa_ft_install_ptk()
510 if (wpa_sm_set_key(sm, -1, alg, bssid, 0, 1, null_rsc, sizeof(null_rsc), in wpa_ft_install_ptk()
511 (u8 *) sm->ptk.tk, keylen, in wpa_ft_install_ptk()
514 return -1; in wpa_ft_install_ptk()
516 sm->tk_set = true; in wpa_ft_install_ptk()
518 wpa_sm_store_ptk(sm, bssid, sm->pairwise_cipher, in wpa_ft_install_ptk()
519 sm->dot11RSNAConfigPMKLifetime, &sm->ptk); in wpa_ft_install_ptk()
525 * wpa_ft_prepare_auth_request - Generate over-the-air auth request
528 * Returns: 0 on success, -1 on failure
536 if (random_get_bytes(sm->snonce, WPA_NONCE_LEN)) { in wpa_ft_prepare_auth_request()
538 return -1; in wpa_ft_prepare_auth_request()
541 ft_ies = wpa_ft_gen_req_ies(sm, &ft_ies_len, NULL, sm->pmk_r0_name, in wpa_ft_prepare_auth_request()
542 NULL, 0, sm->bssid, NULL, 0, mdie, 0); in wpa_ft_prepare_auth_request()
544 wpa_sm_update_ft_ies(sm, sm->mobility_domain, in wpa_ft_prepare_auth_request()
556 u8 *pos = buf; in wpa_ft_add_mdie() local
566 *pos++ = WLAN_EID_MOBILITY_DOMAIN; in wpa_ft_add_mdie()
567 *pos++ = sizeof(*mdie); in wpa_ft_add_mdie()
568 mdie = (struct rsn_mdie *) pos; in wpa_ft_add_mdie()
569 os_memcpy(mdie->mobility_domain, sm->mobility_domain, in wpa_ft_add_mdie()
571 mdie->ft_capab = ap_mdie && ap_mdie[1] >= 3 ? ap_mdie[4] : in wpa_ft_add_mdie()
572 sm->mdie_ft_capab; in wpa_ft_add_mdie()
580 return sm->mobility_domain; in wpa_sm_get_ft_md()
593 int ret = -1, res; in wpa_ft_process_response()
604 if (!sm->over_the_ds_in_progress) { in wpa_ft_process_response()
605 wpa_printf(MSG_DEBUG, "FT: No over-the-DS in progress " in wpa_ft_process_response()
606 "- drop FT Action Response"); in wpa_ft_process_response()
610 if (!ether_addr_equal(target_ap, sm->target_ap)) { in wpa_ft_process_response()
611 wpa_printf(MSG_DEBUG, "FT: No over-the-DS in progress " in wpa_ft_process_response()
612 "with this Target AP - drop FT Action " in wpa_ft_process_response()
618 if (!wpa_key_mgmt_ft(sm->key_mgmt)) { in wpa_ft_process_response()
624 if (wpa_ft_parse_ies(ies, ies_len, &parse, sm->key_mgmt, in wpa_ft_process_response()
632 os_memcmp(mdie->mobility_domain, sm->mobility_domain, in wpa_ft_process_response()
643 if (os_memcmp(parse.fte_snonce, sm->snonce, WPA_NONCE_LEN) != 0) { in wpa_ft_process_response()
648 sm->snonce, WPA_NONCE_LEN); in wpa_ft_process_response()
653 wpa_printf(MSG_DEBUG, "FT: No R0KH-ID subelem in FTIE"); in wpa_ft_process_response()
657 if (parse.r0kh_id_len != sm->r0kh_id_len || in wpa_ft_process_response()
658 os_memcmp_const(parse.r0kh_id, sm->r0kh_id, parse.r0kh_id_len) != 0) in wpa_ft_process_response()
660 wpa_printf(MSG_DEBUG, "FT: R0KH-ID in FTIE did not match with " in wpa_ft_process_response()
661 "the current R0KH-ID"); in wpa_ft_process_response()
662 wpa_hexdump(MSG_DEBUG, "FT: R0KH-ID in FTIE", in wpa_ft_process_response()
664 wpa_hexdump(MSG_DEBUG, "FT: The current R0KH-ID", in wpa_ft_process_response()
665 sm->r0kh_id, sm->r0kh_id_len); in wpa_ft_process_response()
670 wpa_printf(MSG_DEBUG, "FT: No R1KH-ID subelem in FTIE"); in wpa_ft_process_response()
675 os_memcmp_const(parse.rsn_pmkid, sm->pmk_r0_name, WPA_PMK_NAME_LEN)) in wpa_ft_process_response()
682 if (sm->mfp == 2 && !(parse.rsn_capab & WPA_CAPABILITY_MFPC)) { in wpa_ft_process_response()
688 os_memcpy(sm->r1kh_id, parse.r1kh_id, FT_R1KH_ID_LEN); in wpa_ft_process_response()
689 wpa_hexdump(MSG_DEBUG, "FT: R1KH-ID", sm->r1kh_id, FT_R1KH_ID_LEN); in wpa_ft_process_response()
690 wpa_hexdump(MSG_DEBUG, "FT: SNonce", sm->snonce, WPA_NONCE_LEN); in wpa_ft_process_response()
692 os_memcpy(sm->anonce, parse.fte_anonce, WPA_NONCE_LEN); in wpa_ft_process_response()
693 if (wpa_derive_pmk_r1(sm->pmk_r0, sm->pmk_r0_len, sm->pmk_r0_name, in wpa_ft_process_response()
694 sm->r1kh_id, sm->own_addr, sm->pmk_r1, in wpa_ft_process_response()
695 sm->pmk_r1_name) < 0) in wpa_ft_process_response()
697 sm->pmk_r1_len = sm->pmk_r0_len; in wpa_ft_process_response()
703 if (sm->force_kdk_derivation || in wpa_ft_process_response()
704 (sm->secure_ltf && in wpa_ft_process_response()
705 ieee802_11_rsnx_capab(sm->ap_rsnxe, WLAN_RSNX_CAPAB_SECURE_LTF))) in wpa_ft_process_response()
711 if (wpa_pmk_r1_to_ptk(sm->pmk_r1, sm->pmk_r1_len, sm->snonce, in wpa_ft_process_response()
712 parse.fte_anonce, sm->own_addr, bssid, in wpa_ft_process_response()
713 sm->pmk_r1_name, &sm->ptk, ptk_name, sm->key_mgmt, in wpa_ft_process_response()
714 sm->pairwise_cipher, in wpa_ft_process_response()
718 os_memcpy(sm->key_mobility_domain, sm->mobility_domain, in wpa_ft_process_response()
722 if (sm->secure_ltf && in wpa_ft_process_response()
723 ieee802_11_rsnx_capab(sm->ap_rsnxe, WLAN_RSNX_CAPAB_SECURE_LTF) && in wpa_ft_process_response()
724 wpa_ltf_keyseed(&sm->ptk, sm->key_mgmt, sm->pairwise_cipher)) { in wpa_ft_process_response()
730 if (wpa_key_mgmt_fils(sm->key_mgmt)) { in wpa_ft_process_response()
731 kck = sm->ptk.kck2; in wpa_ft_process_response()
732 kck_len = sm->ptk.kck2_len; in wpa_ft_process_response()
734 kck = sm->ptk.kck; in wpa_ft_process_response()
735 kck_len = sm->ptk.kck_len; in wpa_ft_process_response()
738 sm->pmk_r1_name, in wpa_ft_process_response()
741 parse.mdie ? parse.mdie - 2 : NULL, in wpa_ft_process_response()
742 !sm->ap_rsnxe); in wpa_ft_process_response()
744 wpa_sm_update_ft_ies(sm, sm->mobility_domain, in wpa_ft_process_response()
759 "association - try again after reassociation"); in wpa_ft_process_response()
760 sm->set_ptk_after_assoc = 1; in wpa_ft_process_response()
762 sm->set_ptk_after_assoc = 0; in wpa_ft_process_response()
764 sm->ft_completed = 1; in wpa_ft_process_response()
767 * The caller is expected trigger re-association with the in wpa_ft_process_response()
770 os_memcpy(sm->bssid, target_ap, ETH_ALEN); in wpa_ft_process_response()
785 if (!wpa_key_mgmt_ft(sm->key_mgmt)) in wpa_ft_is_completed()
788 return sm->ft_completed; in wpa_ft_is_completed()
795 sm->ft_completed = 0; in wpa_reset_ft_completed()
809 if (wpa_key_mgmt_fils(sm->key_mgmt)) { in wpa_ft_process_gtk_subelem()
810 kek = sm->ptk.kek2; in wpa_ft_process_gtk_subelem()
811 kek_len = sm->ptk.kek2_len; in wpa_ft_process_gtk_subelem()
813 kek = sm->ptk.kek; in wpa_ft_process_gtk_subelem()
814 kek_len = sm->ptk.kek_len; in wpa_ft_process_gtk_subelem()
825 if (gtk_elem_len < 11 + 24 || (gtk_elem_len - 11) % 8 || in wpa_ft_process_gtk_subelem()
826 gtk_elem_len - 19 > sizeof(gtk)) { in wpa_ft_process_gtk_subelem()
827 wpa_printf(MSG_DEBUG, "FT: Invalid GTK sub-elem " in wpa_ft_process_gtk_subelem()
829 return -1; in wpa_ft_process_gtk_subelem()
831 gtk_len = gtk_elem_len - 19; in wpa_ft_process_gtk_subelem()
833 wpa_printf(MSG_WARNING, "FT: AES unwrap failed - could not " in wpa_ft_process_gtk_subelem()
835 return -1; in wpa_ft_process_gtk_subelem()
838 keylen = wpa_cipher_key_len(sm->group_cipher); in wpa_ft_process_gtk_subelem()
839 rsc_len = wpa_cipher_rsc_len(sm->group_cipher); in wpa_ft_process_gtk_subelem()
840 alg = wpa_cipher_to_alg(sm->group_cipher); in wpa_ft_process_gtk_subelem()
843 sm->group_cipher); in wpa_ft_process_gtk_subelem()
844 return -1; in wpa_ft_process_gtk_subelem()
849 return -1; in wpa_ft_process_gtk_subelem()
860 return -1; in wpa_ft_process_gtk_subelem()
864 if (sm->group_cipher == WPA_CIPHER_TKIP) { in wpa_ft_process_gtk_subelem()
865 /* Swap Tx/Rx keys for Michael MIC */ in wpa_ft_process_gtk_subelem()
871 if (wpa_sm_set_key(sm, -1, alg, broadcast_ether_addr, keyidx, 0, in wpa_ft_process_gtk_subelem()
876 return -1; in wpa_ft_process_gtk_subelem()
892 if (wpa_key_mgmt_fils(sm->key_mgmt)) { in wpa_ft_process_igtk_subelem()
893 kek = sm->ptk.kek2; in wpa_ft_process_igtk_subelem()
894 kek_len = sm->ptk.kek2_len; in wpa_ft_process_igtk_subelem()
896 kek = sm->ptk.kek; in wpa_ft_process_igtk_subelem()
897 kek_len = sm->ptk.kek_len; in wpa_ft_process_igtk_subelem()
900 if (sm->mgmt_group_cipher != WPA_CIPHER_AES_128_CMAC && in wpa_ft_process_igtk_subelem()
901 sm->mgmt_group_cipher != WPA_CIPHER_BIP_GMAC_128 && in wpa_ft_process_igtk_subelem()
902 sm->mgmt_group_cipher != WPA_CIPHER_BIP_GMAC_256 && in wpa_ft_process_igtk_subelem()
903 sm->mgmt_group_cipher != WPA_CIPHER_BIP_CMAC_256) in wpa_ft_process_igtk_subelem()
914 igtk_len = wpa_cipher_key_len(sm->mgmt_group_cipher); in wpa_ft_process_igtk_subelem()
916 wpa_printf(MSG_DEBUG, "FT: Invalid IGTK sub-elem " in wpa_ft_process_igtk_subelem()
918 return -1; in wpa_ft_process_igtk_subelem()
921 wpa_printf(MSG_DEBUG, "FT: Invalid IGTK sub-elem Key Length " in wpa_ft_process_igtk_subelem()
923 return -1; in wpa_ft_process_igtk_subelem()
927 wpa_printf(MSG_WARNING, "FT: AES unwrap failed - could not " in wpa_ft_process_igtk_subelem()
929 return -1; in wpa_ft_process_igtk_subelem()
938 if (wpa_sm_set_key(sm, -1, wpa_cipher_to_alg(sm->mgmt_group_cipher), in wpa_ft_process_igtk_subelem()
945 return -1; in wpa_ft_process_igtk_subelem()
962 if (!sm->beacon_prot || !bigtk_elem || in wpa_ft_process_bigtk_subelem()
963 (sm->mgmt_group_cipher != WPA_CIPHER_AES_128_CMAC && in wpa_ft_process_bigtk_subelem()
964 sm->mgmt_group_cipher != WPA_CIPHER_BIP_GMAC_128 && in wpa_ft_process_bigtk_subelem()
965 sm->mgmt_group_cipher != WPA_CIPHER_BIP_GMAC_256 && in wpa_ft_process_bigtk_subelem()
966 sm->mgmt_group_cipher != WPA_CIPHER_BIP_CMAC_256)) in wpa_ft_process_bigtk_subelem()
969 if (wpa_key_mgmt_fils(sm->key_mgmt)) { in wpa_ft_process_bigtk_subelem()
970 kek = sm->ptk.kek2; in wpa_ft_process_bigtk_subelem()
971 kek_len = sm->ptk.kek2_len; in wpa_ft_process_bigtk_subelem()
973 kek = sm->ptk.kek; in wpa_ft_process_bigtk_subelem()
974 kek_len = sm->ptk.kek_len; in wpa_ft_process_bigtk_subelem()
980 bigtk_len = wpa_cipher_key_len(sm->mgmt_group_cipher); in wpa_ft_process_bigtk_subelem()
983 "FT: Invalid BIGTK sub-elem length %lu", in wpa_ft_process_bigtk_subelem()
985 return -1; in wpa_ft_process_bigtk_subelem()
989 "FT: Invalid BIGTK sub-elem Key Length %d", in wpa_ft_process_bigtk_subelem()
991 return -1; in wpa_ft_process_bigtk_subelem()
996 "FT: AES unwrap failed - could not decrypt BIGTK"); in wpa_ft_process_bigtk_subelem()
997 return -1; in wpa_ft_process_bigtk_subelem()
1006 if (wpa_sm_set_key(sm, -1, wpa_cipher_to_alg(sm->mgmt_group_cipher), in wpa_ft_process_bigtk_subelem()
1013 return -1; in wpa_ft_process_bigtk_subelem()
1027 u8 mic[WPA_EAPOL_KEY_MIC_MAX_LEN]; in wpa_ft_validate_reassoc_resp() local
1032 int ret = -1; in wpa_ft_validate_reassoc_resp()
1038 if (!wpa_key_mgmt_ft(sm->key_mgmt)) { in wpa_ft_validate_reassoc_resp()
1044 if (sm->ft_reassoc_completed) { in wpa_ft_validate_reassoc_resp()
1045 …"FT: Reassociation has already been completed for this FT protocol instance - ignore unexpected re… in wpa_ft_validate_reassoc_resp()
1049 if (wpa_ft_parse_ies(ies, ies_len, &parse, sm->key_mgmt, true) < 0) { in wpa_ft_validate_reassoc_resp()
1056 os_memcmp(mdie->mobility_domain, sm->mobility_domain, in wpa_ft_validate_reassoc_resp()
1062 if (sm->key_mgmt == WPA_KEY_MGMT_FT_SAE_EXT_KEY && in wpa_ft_validate_reassoc_resp()
1063 sm->pmk_r1_len == SHA512_MAC_LEN) in wpa_ft_validate_reassoc_resp()
1065 else if ((sm->key_mgmt == WPA_KEY_MGMT_FT_SAE_EXT_KEY && in wpa_ft_validate_reassoc_resp()
1066 sm->pmk_r1_len == SHA384_MAC_LEN) || in wpa_ft_validate_reassoc_resp()
1067 wpa_key_mgmt_sha384(sm->key_mgmt)) in wpa_ft_validate_reassoc_resp()
1080 if (os_memcmp(parse.fte_snonce, sm->snonce, WPA_NONCE_LEN) != 0) { in wpa_ft_validate_reassoc_resp()
1085 sm->snonce, WPA_NONCE_LEN); in wpa_ft_validate_reassoc_resp()
1089 if (os_memcmp(parse.fte_anonce, sm->anonce, WPA_NONCE_LEN) != 0) { in wpa_ft_validate_reassoc_resp()
1094 sm->anonce, WPA_NONCE_LEN); in wpa_ft_validate_reassoc_resp()
1099 wpa_printf(MSG_DEBUG, "FT: No R0KH-ID subelem in FTIE"); in wpa_ft_validate_reassoc_resp()
1103 if (parse.r0kh_id_len != sm->r0kh_id_len || in wpa_ft_validate_reassoc_resp()
1104 os_memcmp_const(parse.r0kh_id, sm->r0kh_id, parse.r0kh_id_len) != 0) in wpa_ft_validate_reassoc_resp()
1106 wpa_printf(MSG_DEBUG, "FT: R0KH-ID in FTIE did not match with " in wpa_ft_validate_reassoc_resp()
1107 "the current R0KH-ID"); in wpa_ft_validate_reassoc_resp()
1108 wpa_hexdump(MSG_DEBUG, "FT: R0KH-ID in FTIE", in wpa_ft_validate_reassoc_resp()
1110 wpa_hexdump(MSG_DEBUG, "FT: The current R0KH-ID", in wpa_ft_validate_reassoc_resp()
1111 sm->r0kh_id, sm->r0kh_id_len); in wpa_ft_validate_reassoc_resp()
1116 wpa_printf(MSG_DEBUG, "FT: No R1KH-ID subelem in FTIE"); in wpa_ft_validate_reassoc_resp()
1120 if (os_memcmp_const(parse.r1kh_id, sm->r1kh_id, FT_R1KH_ID_LEN) != 0) { in wpa_ft_validate_reassoc_resp()
1121 wpa_printf(MSG_DEBUG, "FT: Unknown R1KH-ID used in " in wpa_ft_validate_reassoc_resp()
1127 os_memcmp_const(parse.rsn_pmkid, sm->pmk_r1_name, WPA_PMK_NAME_LEN)) in wpa_ft_validate_reassoc_resp()
1140 wpa_printf(MSG_DEBUG, "FT: Unexpected IE count in MIC " in wpa_ft_validate_reassoc_resp()
1146 if (wpa_key_mgmt_fils(sm->key_mgmt)) { in wpa_ft_validate_reassoc_resp()
1147 kck = sm->ptk.kck2; in wpa_ft_validate_reassoc_resp()
1148 kck_len = sm->ptk.kck2_len; in wpa_ft_validate_reassoc_resp()
1150 kck = sm->ptk.kck; in wpa_ft_validate_reassoc_resp()
1151 kck_len = sm->ptk.kck_len; in wpa_ft_validate_reassoc_resp()
1154 if (wpa_ft_mic(sm->key_mgmt, kck, kck_len, sm->own_addr, src_addr, 6, in wpa_ft_validate_reassoc_resp()
1155 parse.mdie - 2, parse.mdie_len + 2, in wpa_ft_validate_reassoc_resp()
1156 parse.ftie - 2, parse.ftie_len + 2, in wpa_ft_validate_reassoc_resp()
1157 parse.rsn - 2, parse.rsn_len + 2, in wpa_ft_validate_reassoc_resp()
1159 parse.rsnxe ? parse.rsnxe - 2 : NULL, in wpa_ft_validate_reassoc_resp()
1162 mic) < 0) { in wpa_ft_validate_reassoc_resp()
1163 wpa_printf(MSG_DEBUG, "FT: Failed to calculate MIC"); in wpa_ft_validate_reassoc_resp()
1167 if (os_memcmp_const(mic, parse.fte_mic, mic_len) != 0) { in wpa_ft_validate_reassoc_resp()
1168 wpa_printf(MSG_DEBUG, "FT: Invalid MIC in FTIE"); in wpa_ft_validate_reassoc_resp()
1169 wpa_hexdump(MSG_MSGDUMP, "FT: Received MIC", in wpa_ft_validate_reassoc_resp()
1171 wpa_hexdump(MSG_MSGDUMP, "FT: Calculated MIC", mic, mic_len); in wpa_ft_validate_reassoc_resp()
1175 if (parse.fte_rsnxe_used && !sm->ap_rsnxe) { in wpa_ft_validate_reassoc_resp()
1181 if (!sm->ap_rsn_ie) { in wpa_ft_validate_reassoc_resp()
1182 wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, in wpa_ft_validate_reassoc_resp()
1183 "FT: No RSNE for this AP known - trying to get from scan results"); in wpa_ft_validate_reassoc_resp()
1185 wpa_msg(sm->ctx->msg_ctx, MSG_WARNING, in wpa_ft_validate_reassoc_resp()
1189 wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, in wpa_ft_validate_reassoc_resp()
1193 if (sm->ap_rsn_ie && in wpa_ft_validate_reassoc_resp()
1194 wpa_compare_rsn_ie(wpa_key_mgmt_ft(sm->key_mgmt), in wpa_ft_validate_reassoc_resp()
1195 sm->ap_rsn_ie, sm->ap_rsn_ie_len, in wpa_ft_validate_reassoc_resp()
1196 parse.rsn - 2, parse.rsn_len + 2)) { in wpa_ft_validate_reassoc_resp()
1197 wpa_msg(sm->ctx->msg_ctx, MSG_INFO, in wpa_ft_validate_reassoc_resp()
1200 sm->ap_rsn_ie, sm->ap_rsn_ie_len); in wpa_ft_validate_reassoc_resp()
1203 parse.rsn ? parse.rsn - 2 : NULL, in wpa_ft_validate_reassoc_resp()
1208 own_rsnxe_used = wpa_key_mgmt_sae(sm->key_mgmt) && in wpa_ft_validate_reassoc_resp()
1209 (sm->sae_pwe == SAE_PWE_HASH_TO_ELEMENT || in wpa_ft_validate_reassoc_resp()
1210 sm->sae_pwe == SAE_PWE_BOTH); in wpa_ft_validate_reassoc_resp()
1211 if ((sm->ap_rsnxe && !parse.rsnxe && own_rsnxe_used) || in wpa_ft_validate_reassoc_resp()
1212 (!sm->ap_rsnxe && parse.rsnxe) || in wpa_ft_validate_reassoc_resp()
1213 (sm->ap_rsnxe && parse.rsnxe && in wpa_ft_validate_reassoc_resp()
1214 (sm->ap_rsnxe_len != 2 + parse.rsnxe_len || in wpa_ft_validate_reassoc_resp()
1215 os_memcmp(sm->ap_rsnxe, parse.rsnxe - 2, in wpa_ft_validate_reassoc_resp()
1216 sm->ap_rsnxe_len) != 0))) { in wpa_ft_validate_reassoc_resp()
1217 wpa_msg(sm->ctx->msg_ctx, MSG_INFO, in wpa_ft_validate_reassoc_resp()
1220 sm->ap_rsnxe, sm->ap_rsnxe_len); in wpa_ft_validate_reassoc_resp()
1223 parse.rsnxe ? parse.rsnxe - 2 : NULL, in wpa_ft_validate_reassoc_resp()
1241 wpa_msg(sm->ctx->msg_ctx, MSG_INFO, OCV_FAILURE in wpa_ft_validate_reassoc_resp()
1242 "addr=" MACSTR " frame=ft-assoc error=%s", in wpa_ft_validate_reassoc_resp()
1249 sm->ft_reassoc_completed = 1; in wpa_ft_validate_reassoc_resp()
1256 if (sm->set_ptk_after_assoc) { in wpa_ft_validate_reassoc_resp()
1261 sm->set_ptk_after_assoc = 0; in wpa_ft_validate_reassoc_resp()
1281 * wpa_ft_start_over_ds - Generate over-the-DS auth request
1287 * Returns: 0 on success, -1 on failure
1297 wpa_printf(MSG_DEBUG, "FT: Cannot use over-the DS with " MACSTR in wpa_ft_start_over_ds()
1298 " - no keys matching the mobility domain", in wpa_ft_start_over_ds()
1300 return -1; in wpa_ft_start_over_ds()
1303 wpa_printf(MSG_DEBUG, "FT: Request over-the-DS with " MACSTR, in wpa_ft_start_over_ds()
1307 if (random_get_bytes(sm->snonce, WPA_NONCE_LEN)) { in wpa_ft_start_over_ds()
1309 return -1; in wpa_ft_start_over_ds()
1312 ft_ies = wpa_ft_gen_req_ies(sm, &ft_ies_len, NULL, sm->pmk_r0_name, in wpa_ft_start_over_ds()
1315 sm->over_the_ds_in_progress = 1; in wpa_ft_start_over_ds()
1316 os_memcpy(sm->target_ap, target_ap, ETH_ALEN); in wpa_ft_start_over_ds()
1332 for (i = 0; i < sm->n_pasn_r1kh; i++) in wpa_ft_pasn_get_r1kh()
1333 if (ether_addr_equal(sm->pasn_r1kh[i].bssid, bssid)) in wpa_ft_pasn_get_r1kh()
1334 return &sm->pasn_r1kh[i]; in wpa_ft_pasn_get_r1kh()
1347 tmp = os_realloc_array(sm->pasn_r1kh, sm->n_pasn_r1kh + 1, in wpa_ft_pasn_store_r1kh()
1354 sm->pasn_r1kh = tmp; in wpa_ft_pasn_store_r1kh()
1355 tmp = &sm->pasn_r1kh[sm->n_pasn_r1kh]; in wpa_ft_pasn_store_r1kh()
1360 os_memcpy(tmp->bssid, bssid, ETH_ALEN); in wpa_ft_pasn_store_r1kh()
1361 os_memcpy(tmp->r1kh_id, sm->r1kh_id, FT_R1KH_ID_LEN); in wpa_ft_pasn_store_r1kh()
1363 sm->n_pasn_r1kh++; in wpa_ft_pasn_store_r1kh()
1372 if (sm->key_mgmt != (unsigned int) akmp) { in wpa_pasn_ft_derive_pmk_r1()
1375 sm->key_mgmt, akmp); in wpa_pasn_ft_derive_pmk_r1()
1376 return -1; in wpa_pasn_ft_derive_pmk_r1()
1382 "PASN: FT: Cannot find R1KH-ID for " MACSTR, in wpa_pasn_ft_derive_pmk_r1()
1384 return -1; in wpa_pasn_ft_derive_pmk_r1()
1392 if (wpa_derive_pmk_r1(sm->pmk_r0, sm->pmk_r0_len, sm->pmk_r0_name, in wpa_pasn_ft_derive_pmk_r1()
1393 r1kh_entry->r1kh_id, sm->own_addr, pmk_r1, in wpa_pasn_ft_derive_pmk_r1()
1395 return -1; in wpa_pasn_ft_derive_pmk_r1()
1397 *pmk_r1_len = sm->pmk_r0_len; in wpa_pasn_ft_derive_pmk_r1()
1399 wpa_hexdump_key(MSG_DEBUG, "PASN: FT: PMK-R1", pmk_r1, sm->pmk_r0_len); in wpa_pasn_ft_derive_pmk_r1()