119 		username = sim_get_username(sm->identity, sm->identity_len);  in eap_sim_build_start()
129 		wpa_printf(MSG_DEBUG, "   No identity request");  in eap_sim_build_start()
132 		 * RFC 4186, Chap. 4.2.4 recommends that identity from EAP is  in eap_sim_build_start()
133 		 * ignored and the SIM/Start is used to request the identity.  in eap_sim_build_start()
145 		 * already know the identity of the peer, there is no need to  in eap_sim_build_start()
146 		 * request any identity in this case.  in eap_sim_build_start()
148 	} else if (sm->identity && sm->identity_len > 0 &&  in eap_sim_build_start()
149 		   sm->identity[0] == EAP_SIM_REAUTH_ID_PREFIX) {  in eap_sim_build_start()
288 	eap_sim_derive_keys_reauth(data->counter, sm->identity,  in eap_sim_build_reauth()
453 	const u8 *identity;  in eap_sim_process_start()  local
463 		 * Special case for AT_COUNTER_TOO_SMALL recovery - no identity  in eap_sim_process_start()
470 	    (!attr->identity || attr->identity_len == 0))  in eap_sim_process_start()
474 	 * Unless explicitly configured otherwise, we always request identity  in eap_sim_process_start()
477 	if (!attr->identity || attr->identity_len == 0) {  in eap_sim_process_start()
479 			   "identity");  in eap_sim_process_start()
486 	os_free(sm->identity);  in eap_sim_process_start()
487 	sm->identity = new_identity;  in eap_sim_process_start()
488 	os_memcpy(sm->identity, attr->identity, attr->identity_len);  in eap_sim_process_start()
493 		identity = (const u8 *) sm->sim_aka_permanent;  in eap_sim_process_start()
496 		identity = sm->identity;  in eap_sim_process_start()
499 	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM: Identity",  in eap_sim_process_start()
500 			  identity, identity_len);  in eap_sim_process_start()
501 	username = sim_get_username(identity, identity_len);  in eap_sim_process_start()
513 				   "identity - request full auth identity");  in eap_sim_process_start()
524 				   "EAP-SIM: Permanent identity recognized - skip new Identity query");  in eap_sim_process_start()
558 				   "identity - request permanent identity");  in eap_sim_process_start()
570 	} else if (sm->identity_len > 1 && sm->identity[0] == '\0') {  in eap_sim_process_start()
581 				   "EAP-SIM: Received encrypted identity, but no IMSI privacy key configured to decrypt it");  in eap_sim_process_start()
585 		enc_id = (char *) &sm->identity[1];  in eap_sim_process_start()
586 		end = (char *) &sm->identity[sm->identity_len];  in eap_sim_process_start()
594 				  "EAP-SIM: Encrypted permanent identity",  in eap_sim_process_start()
599 				   "EAP-SIM: Could not base64 decode encrypted identity");  in eap_sim_process_start()
603 			    "EAP-SIM: Decoded encrypted permanent identity",  in eap_sim_process_start()
614 				   "EAP-SIM: Failed to decrypt encrypted identity");  in eap_sim_process_start()
617 		wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM: Decrypted permanent identity",  in eap_sim_process_start()
629 		os_free(sm->identity);  in eap_sim_process_start()
630 		sm->identity = new_id;  in eap_sim_process_start()
680 	while (identity_len > 0 && sm->identity[identity_len - 1] == '\0') {  in eap_sim_process_start()
682 			   "character from identity");  in eap_sim_process_start()
685 	wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM: Identity for MK derivation",  in eap_sim_process_start()
686 			  sm->identity, identity_len);  in eap_sim_process_start()
690 	eap_sim_derive_mk(sm->identity, identity_len, attr->nonce_mt,  in eap_sim_process_start()