371 			   struct ikev2_keys *keys, int initiator,  in ikev2_derive_auth_data()  argument
380 	const u8 *SK_p = initiator ? keys->SK_pi : keys->SK_pr;  in ikev2_derive_auth_data()
394 	if (ikev2_prf_hash(prf->id, SK_p, keys->SK_prf_len,  in ikev2_derive_auth_data()
429 			   struct ikev2_keys *keys, int initiator,  in ikev2_decrypt_payload()  argument
440 	const u8 *SK_e = initiator ? keys->SK_ei : keys->SK_er;  in ikev2_decrypt_payload()
441 	const u8 *SK_a = initiator ? keys->SK_ai : keys->SK_ar;  in ikev2_decrypt_payload()
476 	if (ikev2_integ_hash(integ_id, SK_a, keys->SK_integ_len,  in ikev2_decrypt_payload()
499 	if (ikev2_encr_decrypt(encr_alg->id, SK_e, keys->SK_encr_len, iv, pos,  in ikev2_decrypt_payload()
530 int ikev2_build_encrypted(int encr_id, int integ_id, struct ikev2_keys *keys,  in ikev2_build_encrypted()  argument
540 	const u8 *SK_e = initiator ? keys->SK_ei : keys->SK_er;  in ikev2_build_encrypted()
541 	const u8 *SK_a = initiator ? keys->SK_ai : keys->SK_ar;  in ikev2_build_encrypted()
586 	if (ikev2_encr_encrypt(encr_alg->id, SK_e, keys->SK_encr_len, iv,  in ikev2_build_encrypted()
600 	return ikev2_integ_hash(integ_id, SK_a, keys->SK_integ_len,  in ikev2_build_encrypted()
608 int ikev2_keys_set(struct ikev2_keys *keys)  in ikev2_keys_set()  argument
610 	return keys->SK_d && keys->SK_ai && keys->SK_ar && keys->SK_ei &&  in ikev2_keys_set()
611 		keys->SK_er && keys->SK_pi && keys->SK_pr;  in ikev2_keys_set()
615 void ikev2_free_keys(struct ikev2_keys *keys)  in ikev2_free_keys()  argument
617 	os_free(keys->SK_d);  in ikev2_free_keys()
618 	os_free(keys->SK_ai);  in ikev2_free_keys()
619 	os_free(keys->SK_ar);  in ikev2_free_keys()
620 	os_free(keys->SK_ei);  in ikev2_free_keys()
621 	os_free(keys->SK_er);  in ikev2_free_keys()
622 	os_free(keys->SK_pi);  in ikev2_free_keys()
623 	os_free(keys->SK_pr);  in ikev2_free_keys()
624 	keys->SK_d = keys->SK_ai = keys->SK_ar = keys->SK_ei = keys->SK_er =  in ikev2_free_keys()
625 		keys->SK_pi = keys->SK_pr = NULL;  in ikev2_free_keys()
633 			 struct ikev2_keys *keys)  in ikev2_derive_sk_keys()  argument
642 	ikev2_free_keys(keys);  in ikev2_derive_sk_keys()
643 	keys->SK_d_len = prf->key_len;  in ikev2_derive_sk_keys()
644 	keys->SK_integ_len = integ->key_len;  in ikev2_derive_sk_keys()
645 	keys->SK_encr_len = encr->key_len;  in ikev2_derive_sk_keys()
646 	keys->SK_prf_len = prf->key_len;  in ikev2_derive_sk_keys()
648 	keybuf_len = keys->SK_d_len + 2 * keys->SK_integ_len +  in ikev2_derive_sk_keys()
649 		2 * keys->SK_encr_len + 2 * keys->SK_prf_len;  in ikev2_derive_sk_keys()
662 	keys->SK_d = os_malloc(keys->SK_d_len);  in ikev2_derive_sk_keys()
663 	if (keys->SK_d) {  in ikev2_derive_sk_keys()
664 		os_memcpy(keys->SK_d, pos, keys->SK_d_len);  in ikev2_derive_sk_keys()
666 				keys->SK_d, keys->SK_d_len);  in ikev2_derive_sk_keys()
668 	pos += keys->SK_d_len;  in ikev2_derive_sk_keys()
670 	keys->SK_ai = os_malloc(keys->SK_integ_len);  in ikev2_derive_sk_keys()
671 	if (keys->SK_ai) {  in ikev2_derive_sk_keys()
672 		os_memcpy(keys->SK_ai, pos, keys->SK_integ_len);  in ikev2_derive_sk_keys()
674 				keys->SK_ai, keys->SK_integ_len);  in ikev2_derive_sk_keys()
676 	pos += keys->SK_integ_len;  in ikev2_derive_sk_keys()
678 	keys->SK_ar = os_malloc(keys->SK_integ_len);  in ikev2_derive_sk_keys()
679 	if (keys->SK_ar) {  in ikev2_derive_sk_keys()
680 		os_memcpy(keys->SK_ar, pos, keys->SK_integ_len);  in ikev2_derive_sk_keys()
682 				keys->SK_ar, keys->SK_integ_len);  in ikev2_derive_sk_keys()
684 	pos += keys->SK_integ_len;  in ikev2_derive_sk_keys()
686 	keys->SK_ei = os_malloc(keys->SK_encr_len);  in ikev2_derive_sk_keys()
687 	if (keys->SK_ei) {  in ikev2_derive_sk_keys()
688 		os_memcpy(keys->SK_ei, pos, keys->SK_encr_len);  in ikev2_derive_sk_keys()
690 				keys->SK_ei, keys->SK_encr_len);  in ikev2_derive_sk_keys()
692 	pos += keys->SK_encr_len;  in ikev2_derive_sk_keys()
694 	keys->SK_er = os_malloc(keys->SK_encr_len);  in ikev2_derive_sk_keys()
695 	if (keys->SK_er) {  in ikev2_derive_sk_keys()
696 		os_memcpy(keys->SK_er, pos, keys->SK_encr_len);  in ikev2_derive_sk_keys()
698 				keys->SK_er, keys->SK_encr_len);  in ikev2_derive_sk_keys()
700 	pos += keys->SK_encr_len;  in ikev2_derive_sk_keys()
702 	keys->SK_pi = os_malloc(keys->SK_prf_len);  in ikev2_derive_sk_keys()
703 	if (keys->SK_pi) {  in ikev2_derive_sk_keys()
704 		os_memcpy(keys->SK_pi, pos, keys->SK_prf_len);  in ikev2_derive_sk_keys()
706 				keys->SK_pi, keys->SK_prf_len);  in ikev2_derive_sk_keys()
708 	pos += keys->SK_prf_len;  in ikev2_derive_sk_keys()
710 	keys->SK_pr = os_malloc(keys->SK_prf_len);  in ikev2_derive_sk_keys()
711 	if (keys->SK_pr) {  in ikev2_derive_sk_keys()
712 		os_memcpy(keys->SK_pr, pos, keys->SK_prf_len);  in ikev2_derive_sk_keys()
714 				keys->SK_pr, keys->SK_prf_len);  in ikev2_derive_sk_keys()
719 	if (!ikev2_keys_set(keys)) {  in ikev2_derive_sk_keys()
720 		ikev2_free_keys(keys);  in ikev2_derive_sk_keys()