2 * EAP peer method: EAP-EKE (RFC 6124)
3 * Copyright (c) 2013, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "crypto/random.h"
13 #include "eap_peer/eap_i.h"
14 #include "eap_common/eap_eke_common.h"
18 IDENTITY, COMMIT, CONFIRM, SUCCESS, FAILURE
21 u8 emsk[EAP_EMSK_LEN];
26 u8 dh_priv[EAP_EKE_MAX_DH_LEN];
27 struct eap_eke_session sess;
28 u8 nonce_p[EAP_EKE_MAX_NONCE_LEN];
29 u8 nonce_s[EAP_EKE_MAX_NONCE_LEN];
31 u8 dhgroup; /* forced DH group or 0 to allow all supported */
32 u8 encr; /* forced encryption algorithm or 0 to allow all supported */
33 u8 prf; /* forced PRF or 0 to allow all supported */
34 u8 mac; /* forced MAC or 0 to allow all supported */
38 static const char * eap_eke_state_txt(int state)
57 static void eap_eke_state(struct eap_eke_data *data, int state)
59 wpa_printf(MSG_DEBUG, "EAP-EKE: %s -> %s",
60 eap_eke_state_txt(data->state), eap_eke_state_txt(state));
65 static void eap_eke_deinit(struct eap_sm *sm, void *priv);
68 static void * eap_eke_init(struct eap_sm *sm)
70 struct eap_eke_data *data;
71 const u8 *identity, *password;
72 size_t identity_len, password_len;
75 password = eap_get_config_password(sm, &password_len);
77 wpa_printf(MSG_INFO, "EAP-EKE: No password configured");
81 data = os_zalloc(sizeof(*data));
84 eap_eke_state(data, IDENTITY);
86 identity = eap_get_config_identity(sm, &identity_len);
88 data->peerid = os_memdup(identity, identity_len);
89 if (data->peerid == NULL) {
90 eap_eke_deinit(sm, data);
93 data->peerid_len = identity_len;
96 phase1 = eap_get_config_phase1(sm);
100 pos = os_strstr(phase1, "dhgroup=");
102 data->dhgroup = atoi(pos + 8);
103 wpa_printf(MSG_DEBUG, "EAP-EKE: Forced dhgroup %u",
107 pos = os_strstr(phase1, "encr=");
109 data->encr = atoi(pos + 5);
110 wpa_printf(MSG_DEBUG, "EAP-EKE: Forced encr %u",
114 pos = os_strstr(phase1, "prf=");
116 data->prf = atoi(pos + 4);
117 wpa_printf(MSG_DEBUG, "EAP-EKE: Forced prf %u",
121 pos = os_strstr(phase1, "mac=");
123 data->mac = atoi(pos + 4);
124 wpa_printf(MSG_DEBUG, "EAP-EKE: Forced mac %u",
133 static void eap_eke_deinit(struct eap_sm *sm, void *priv)
135 struct eap_eke_data *data = priv;
136 eap_eke_session_clean(&data->sess);
137 os_free(data->serverid);
138 os_free(data->peerid);
139 wpabuf_free(data->msgs);
140 bin_clear_free(data, sizeof(*data));
144 static struct wpabuf * eap_eke_build_msg(struct eap_eke_data *data, int id,
145 size_t length, u8 eke_exch)
152 msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_EKE, plen,
153 EAP_CODE_RESPONSE, id);
155 wpa_printf(MSG_ERROR, "EAP-EKE: Failed to allocate memory");
159 wpabuf_put_u8(msg, eke_exch);
165 static int eap_eke_supp_dhgroup(u8 dhgroup)
167 return dhgroup == EAP_EKE_DHGROUP_EKE_2 ||
168 dhgroup == EAP_EKE_DHGROUP_EKE_5 ||
169 dhgroup == EAP_EKE_DHGROUP_EKE_14 ||
170 dhgroup == EAP_EKE_DHGROUP_EKE_15 ||
171 dhgroup == EAP_EKE_DHGROUP_EKE_16;
175 static int eap_eke_supp_encr(u8 encr)
177 return encr == EAP_EKE_ENCR_AES128_CBC;
181 static int eap_eke_supp_prf(u8 prf)
183 return prf == EAP_EKE_PRF_HMAC_SHA1 ||
184 prf == EAP_EKE_PRF_HMAC_SHA2_256;
188 static int eap_eke_supp_mac(u8 mac)
190 return mac == EAP_EKE_MAC_HMAC_SHA1 ||
191 mac == EAP_EKE_MAC_HMAC_SHA2_256;
195 static struct wpabuf * eap_eke_build_fail(struct eap_eke_data *data,
196 struct eap_method_ret *ret,
197 u8 id, u32 failure_code)
201 wpa_printf(MSG_DEBUG, "EAP-EKE: Sending EAP-EKE-Failure/Response - code=0x%x",
204 resp = eap_eke_build_msg(data, id, 4, EAP_EKE_FAILURE);
206 wpabuf_put_be32(resp, failure_code);
208 os_memset(data->dh_priv, 0, sizeof(data->dh_priv));
209 eap_eke_session_clean(&data->sess);
211 eap_eke_state(data, FAILURE);
212 ret->methodState = METHOD_DONE;
213 ret->decision = DECISION_FAIL;
214 ret->allowNotifications = FALSE;
220 static struct wpabuf * eap_eke_process_id(struct eap_eke_data *data,
221 struct eap_method_ret *ret,
222 const struct wpabuf *reqData,
227 unsigned num_prop, i;
229 const u8 *prop = NULL;
231 u8 id = eap_get_id(reqData);
233 if (data->state != IDENTITY) {
234 return eap_eke_build_fail(data, ret, id,
235 EAP_EKE_FAIL_PROTO_ERROR);
238 wpa_printf(MSG_DEBUG, "EAP-EKE: Received EAP-EKE-ID/Request");
240 if (payload_len < 2 + 4) {
241 wpa_printf(MSG_DEBUG, "EAP-EKE: Too short ID/Request Data");
242 return eap_eke_build_fail(data, ret, id,
243 EAP_EKE_FAIL_PROTO_ERROR);
247 end = payload + payload_len;
250 pos++; /* Ignore Reserved field */
252 if (pos + num_prop * 4 > end) {
253 wpa_printf(MSG_DEBUG, "EAP-EKE: Too short ID/Request Data (num_prop=%u)",
255 return eap_eke_build_fail(data, ret, id,
256 EAP_EKE_FAIL_PROTO_ERROR);
259 for (i = 0; i < num_prop; i++) {
262 wpa_printf(MSG_DEBUG, "EAP-EKE: Proposal #%u: dh=%u encr=%u prf=%u mac=%u",
263 i, pos[0], pos[1], pos[2], pos[3]);
266 if ((data->dhgroup && data->dhgroup != *tmp) ||
267 !eap_eke_supp_dhgroup(*tmp))
270 if ((data->encr && data->encr != *tmp) ||
271 !eap_eke_supp_encr(*tmp))
274 if ((data->prf && data->prf != *tmp) ||
275 !eap_eke_supp_prf(*tmp))
278 if ((data->mac && data->mac != *tmp) ||
279 !eap_eke_supp_mac(*tmp))
283 if (eap_eke_session_init(&data->sess, prop[0], prop[1], prop[2],
289 wpa_printf(MSG_DEBUG, "EAP-EKE: Selected proposal");
294 wpa_printf(MSG_DEBUG, "EAP-EKE: No acceptable proposal found");
295 return eap_eke_build_fail(data, ret, id,
296 EAP_EKE_FAIL_NO_PROPOSAL_CHOSEN);
299 pos += (num_prop - i - 1) * 4;
302 wpa_printf(MSG_DEBUG, "EAP-EKE: Too short ID/Request Data to include IDType/Identity");
303 return eap_eke_build_fail(data, ret, id,
304 EAP_EKE_FAIL_PROTO_ERROR);
308 wpa_printf(MSG_DEBUG, "EAP-EKE: Server IDType %u", idtype);
309 wpa_hexdump_ascii(MSG_DEBUG, "EAP-EKE: Server Identity",
311 os_free(data->serverid);
312 data->serverid = os_memdup(pos, end - pos);
313 if (data->serverid == NULL) {
314 return eap_eke_build_fail(data, ret, id,
315 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
317 data->serverid_len = end - pos;
319 wpa_printf(MSG_DEBUG, "EAP-EKE: Sending EAP-EKE-ID/Response");
321 resp = eap_eke_build_msg(data, id,
322 2 + 4 + 1 + data->peerid_len,
325 return eap_eke_build_fail(data, ret, id,
326 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
329 wpabuf_put_u8(resp, 1); /* NumProposals */
330 wpabuf_put_u8(resp, 0); /* Reserved */
331 wpabuf_put_data(resp, prop, 4); /* Selected Proposal */
332 wpabuf_put_u8(resp, EAP_EKE_ID_NAI);
334 wpabuf_put_data(resp, data->peerid, data->peerid_len);
336 wpabuf_free(data->msgs);
337 data->msgs = wpabuf_alloc(wpabuf_len(reqData) + wpabuf_len(resp));
338 if (data->msgs == NULL) {
340 return eap_eke_build_fail(data, ret, id,
341 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
343 wpabuf_put_buf(data->msgs, reqData);
344 wpabuf_put_buf(data->msgs, resp);
346 eap_eke_state(data, COMMIT);
352 static struct wpabuf * eap_eke_process_commit(struct eap_sm *sm,
353 struct eap_eke_data *data,
354 struct eap_method_ret *ret,
355 const struct wpabuf *reqData,
360 const u8 *pos, *end, *dhcomp;
363 u8 key[EAP_EKE_MAX_KEY_LEN];
364 u8 pub[EAP_EKE_MAX_DH_LEN];
367 u8 id = eap_get_id(reqData);
369 if (data->state != COMMIT) {
370 wpa_printf(MSG_DEBUG, "EAP-EKE: EAP-EKE-Commit/Request received in unexpected state (%d)", data->state);
371 return eap_eke_build_fail(data, ret, id,
372 EAP_EKE_FAIL_PROTO_ERROR);
375 wpa_printf(MSG_DEBUG, "EAP-EKE: Received EAP-EKE-Commit/Request");
377 password = eap_get_config_password(sm, &password_len);
378 if (password == NULL) {
379 wpa_printf(MSG_INFO, "EAP-EKE: No password configured!");
380 return eap_eke_build_fail(data, ret, id,
381 EAP_EKE_FAIL_PASSWD_NOT_FOUND);
385 end = payload + payload_len;
387 if (pos + data->sess.dhcomp_len > end) {
388 wpa_printf(MSG_DEBUG, "EAP-EKE: Too short EAP-EKE-Commit");
389 return eap_eke_build_fail(data, ret, id,
390 EAP_EKE_FAIL_PROTO_ERROR);
393 wpa_hexdump(MSG_DEBUG, "EAP-EKE: DHComponent_S",
394 pos, data->sess.dhcomp_len);
396 pos += data->sess.dhcomp_len;
397 wpa_hexdump(MSG_DEBUG, "EAP-EKE: CBValue", pos, end - pos);
400 * temp = prf(0+, password)
401 * key = prf+(temp, ID_S | ID_P)
403 if (eap_eke_derive_key(&data->sess, password, password_len,
404 data->serverid, data->serverid_len,
405 data->peerid, data->peerid_len, key) < 0) {
406 wpa_printf(MSG_INFO, "EAP-EKE: Failed to derive key");
407 return eap_eke_build_fail(data, ret, id,
408 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
412 * y_p = g ^ x_p (mod p)
413 * x_p = random number 2 .. p-1
415 if (eap_eke_dh_init(data->sess.dhgroup, data->dh_priv, pub) < 0) {
416 wpa_printf(MSG_INFO, "EAP-EKE: Failed to initialize DH");
417 os_memset(key, 0, sizeof(key));
418 return eap_eke_build_fail(data, ret, id,
419 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
422 if (eap_eke_shared_secret(&data->sess, key, data->dh_priv, dhcomp) < 0)
424 wpa_printf(MSG_INFO, "EAP-EKE: Failed to derive shared secret");
425 os_memset(key, 0, sizeof(key));
426 return eap_eke_build_fail(data, ret, id,
427 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
430 if (eap_eke_derive_ke_ki(&data->sess,
431 data->serverid, data->serverid_len,
432 data->peerid, data->peerid_len) < 0) {
433 wpa_printf(MSG_INFO, "EAP-EKE: Failed to derive Ke/Ki");
434 os_memset(key, 0, sizeof(key));
435 return eap_eke_build_fail(data, ret, id,
436 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
439 wpa_printf(MSG_DEBUG, "EAP-EKE: Sending EAP-EKE-Commit/Response");
441 resp = eap_eke_build_msg(data, id,
442 data->sess.dhcomp_len + data->sess.pnonce_len,
445 os_memset(key, 0, sizeof(key));
446 return eap_eke_build_fail(data, ret, id,
447 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
450 /* DHComponent_P = Encr(key, y_p) */
451 rpos = wpabuf_put(resp, data->sess.dhcomp_len);
452 if (eap_eke_dhcomp(&data->sess, key, pub, rpos) < 0) {
454 wpa_printf(MSG_INFO, "EAP-EKE: Failed to build DHComponent_P");
455 os_memset(key, 0, sizeof(key));
456 return eap_eke_build_fail(data, ret, id,
457 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
459 os_memset(key, 0, sizeof(key));
461 wpa_hexdump(MSG_DEBUG, "EAP-EKE: DHComponent_P",
462 rpos, data->sess.dhcomp_len);
464 if (random_get_bytes(data->nonce_p, data->sess.nonce_len)) {
466 return eap_eke_build_fail(data, ret, id,
467 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
469 wpa_hexdump_key(MSG_DEBUG, "EAP-EKE: Nonce_P",
470 data->nonce_p, data->sess.nonce_len);
471 prot_len = wpabuf_tailroom(resp);
472 if (eap_eke_prot(&data->sess, data->nonce_p, data->sess.nonce_len,
473 wpabuf_put(resp, 0), &prot_len) < 0) {
475 return eap_eke_build_fail(data, ret, id,
476 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
478 wpa_hexdump(MSG_DEBUG, "EAP-EKE: PNonce_P",
479 wpabuf_put(resp, 0), prot_len);
480 wpabuf_put(resp, prot_len);
484 if (wpabuf_resize(&data->msgs, wpabuf_len(reqData) + wpabuf_len(resp))
487 return eap_eke_build_fail(data, ret, id,
488 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
490 wpabuf_put_buf(data->msgs, reqData);
491 wpabuf_put_buf(data->msgs, resp);
493 eap_eke_state(data, CONFIRM);
499 static struct wpabuf * eap_eke_process_confirm(struct eap_eke_data *data,
500 struct eap_method_ret *ret,
501 const struct wpabuf *reqData,
508 u8 nonces[2 * EAP_EKE_MAX_NONCE_LEN];
509 u8 auth_s[EAP_EKE_MAX_HASH_LEN];
512 u8 id = eap_get_id(reqData);
514 if (data->state != CONFIRM) {
515 wpa_printf(MSG_DEBUG, "EAP-EKE: EAP-EKE-Confirm/Request received in unexpected state (%d)",
517 return eap_eke_build_fail(data, ret, id,
518 EAP_EKE_FAIL_PROTO_ERROR);
521 wpa_printf(MSG_DEBUG, "EAP-EKE: Received EAP-EKE-Confirm/Request");
524 end = payload + payload_len;
526 if (pos + data->sess.pnonce_ps_len + data->sess.prf_len > end) {
527 wpa_printf(MSG_DEBUG, "EAP-EKE: Too short EAP-EKE-Confirm");
528 return eap_eke_build_fail(data, ret, id,
529 EAP_EKE_FAIL_PROTO_ERROR);
532 decrypt_len = sizeof(nonces);
533 if (eap_eke_decrypt_prot(&data->sess, pos, data->sess.pnonce_ps_len,
534 nonces, &decrypt_len) < 0) {
535 wpa_printf(MSG_INFO, "EAP-EKE: Failed to decrypt PNonce_PS");
536 return eap_eke_build_fail(data, ret, id,
537 EAP_EKE_FAIL_AUTHENTICATION_FAIL);
539 if (decrypt_len != (size_t) 2 * data->sess.nonce_len) {
540 wpa_printf(MSG_INFO, "EAP-EKE: PNonce_PS protected data length does not match length of Nonce_P and Nonce_S");
541 return eap_eke_build_fail(data, ret, id,
542 EAP_EKE_FAIL_AUTHENTICATION_FAIL);
544 wpa_hexdump_key(MSG_DEBUG, "EAP-EKE: Received Nonce_P | Nonce_S",
545 nonces, 2 * data->sess.nonce_len);
546 if (os_memcmp(data->nonce_p, nonces, data->sess.nonce_len) != 0) {
547 wpa_printf(MSG_INFO, "EAP-EKE: Received Nonce_P does not match transmitted Nonce_P");
548 return eap_eke_build_fail(data, ret, id,
549 EAP_EKE_FAIL_AUTHENTICATION_FAIL);
552 os_memcpy(data->nonce_s, nonces + data->sess.nonce_len,
553 data->sess.nonce_len);
554 wpa_hexdump_key(MSG_DEBUG, "EAP-EKE: Nonce_S",
555 data->nonce_s, data->sess.nonce_len);
557 if (eap_eke_derive_ka(&data->sess, data->serverid, data->serverid_len,
558 data->peerid, data->peerid_len,
559 data->nonce_p, data->nonce_s) < 0) {
560 return eap_eke_build_fail(data, ret, id,
561 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
564 if (eap_eke_auth(&data->sess, "EAP-EKE server", data->msgs, auth_s) < 0)
566 return eap_eke_build_fail(data, ret, id,
567 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
569 wpa_hexdump(MSG_DEBUG, "EAP-EKE: Auth_S", auth_s, data->sess.prf_len);
570 if (os_memcmp_const(auth_s, pos + data->sess.pnonce_ps_len,
571 data->sess.prf_len) != 0) {
572 wpa_printf(MSG_INFO, "EAP-EKE: Auth_S does not match");
573 return eap_eke_build_fail(data, ret, id,
574 EAP_EKE_FAIL_AUTHENTICATION_FAIL);
577 wpa_printf(MSG_DEBUG, "EAP-EKE: Sending EAP-EKE-Confirm/Response");
579 resp = eap_eke_build_msg(data, id,
580 data->sess.pnonce_len + data->sess.prf_len,
583 return eap_eke_build_fail(data, ret, id,
584 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
587 prot_len = wpabuf_tailroom(resp);
588 if (eap_eke_prot(&data->sess, data->nonce_s, data->sess.nonce_len,
589 wpabuf_put(resp, 0), &prot_len) < 0) {
591 return eap_eke_build_fail(data, ret, id,
592 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
594 wpabuf_put(resp, prot_len);
596 auth = wpabuf_put(resp, data->sess.prf_len);
597 if (eap_eke_auth(&data->sess, "EAP-EKE peer", data->msgs, auth) < 0) {
599 return eap_eke_build_fail(data, ret, id,
600 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
602 wpa_hexdump(MSG_DEBUG, "EAP-EKE: Auth_P", auth, data->sess.prf_len);
604 if (eap_eke_derive_msk(&data->sess, data->serverid, data->serverid_len,
605 data->peerid, data->peerid_len,
606 data->nonce_s, data->nonce_p,
607 data->msk, data->emsk) < 0) {
608 wpa_printf(MSG_INFO, "EAP-EKE: Failed to derive MSK/EMSK");
610 return eap_eke_build_fail(data, ret, id,
611 EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
614 os_memset(data->dh_priv, 0, sizeof(data->dh_priv));
615 eap_eke_session_clean(&data->sess);
617 eap_eke_state(data, SUCCESS);
618 ret->methodState = METHOD_MAY_CONT;
619 ret->decision = DECISION_COND_SUCC;
620 ret->allowNotifications = FALSE;
626 static struct wpabuf * eap_eke_process_failure(struct eap_eke_data *data,
627 struct eap_method_ret *ret,
628 const struct wpabuf *reqData,
632 wpa_printf(MSG_DEBUG, "EAP-EKE: Received EAP-EKE-Failure/Request");
634 if (payload_len < 4) {
635 wpa_printf(MSG_DEBUG, "EAP-EKE: Too short EAP-EKE-Failure");
638 code = WPA_GET_BE32(payload);
639 wpa_printf(MSG_INFO, "EAP-EKE: Failure-Code 0x%x", code);
642 return eap_eke_build_fail(data, ret, eap_get_id(reqData),
643 EAP_EKE_FAIL_NO_ERROR);
647 static struct wpabuf * eap_eke_process(struct eap_sm *sm, void *priv,
648 struct eap_method_ret *ret,
649 const struct wpabuf *reqData)
651 struct eap_eke_data *data = priv;
657 pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_EKE, reqData, &len);
658 if (pos == NULL || len < 1) {
666 wpa_printf(MSG_DEBUG, "EAP-EKE: Received frame: exch %d", eke_exch);
667 wpa_hexdump(MSG_DEBUG, "EAP-EKE: Received Data", pos, end - pos);
670 ret->methodState = METHOD_MAY_CONT;
671 ret->decision = DECISION_FAIL;
672 ret->allowNotifications = TRUE;
676 resp = eap_eke_process_id(data, ret, reqData, pos, end - pos);
679 resp = eap_eke_process_commit(sm, data, ret, reqData,
682 case EAP_EKE_CONFIRM:
683 resp = eap_eke_process_confirm(data, ret, reqData,
686 case EAP_EKE_FAILURE:
687 resp = eap_eke_process_failure(data, ret, reqData,
691 wpa_printf(MSG_DEBUG, "EAP-EKE: Ignoring message with unknown EKE-Exch %d", eke_exch);
696 if (ret->methodState == METHOD_DONE)
697 ret->allowNotifications = FALSE;
703 static Boolean eap_eke_isKeyAvailable(struct eap_sm *sm, void *priv)
705 struct eap_eke_data *data = priv;
706 return data->state == SUCCESS;
710 static u8 * eap_eke_getKey(struct eap_sm *sm, void *priv, size_t *len)
712 struct eap_eke_data *data = priv;
715 if (data->state != SUCCESS)
718 key = os_memdup(data->msk, EAP_MSK_LEN);
727 static u8 * eap_eke_get_emsk(struct eap_sm *sm, void *priv, size_t *len)
729 struct eap_eke_data *data = priv;
732 if (data->state != SUCCESS)
735 key = os_memdup(data->emsk, EAP_EMSK_LEN);
744 static u8 * eap_eke_get_session_id(struct eap_sm *sm, void *priv, size_t *len)
746 struct eap_eke_data *data = priv;
750 if (data->state != SUCCESS)
753 sid_len = 1 + 2 * data->sess.nonce_len;
754 sid = os_malloc(sid_len);
757 sid[0] = EAP_TYPE_EKE;
758 os_memcpy(sid + 1, data->nonce_p, data->sess.nonce_len);
759 os_memcpy(sid + 1 + data->sess.nonce_len, data->nonce_s,
760 data->sess.nonce_len);
767 int eap_peer_eke_register(void)
769 struct eap_method *eap;
771 eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
772 EAP_VENDOR_IETF, EAP_TYPE_EKE, "EKE");
776 eap->init = eap_eke_init;
777 eap->deinit = eap_eke_deinit;
778 eap->process = eap_eke_process;
779 eap->isKeyAvailable = eap_eke_isKeyAvailable;
780 eap->getKey = eap_eke_getKey;
781 eap->get_emsk = eap_eke_get_emsk;
782 eap->getSessionId = eap_eke_get_session_id;
784 return eap_peer_method_register(eap);