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