227 	const EC_KEY	*ec;  in es256_sk_create()  local
246 	if ((ec = EVP_PKEY_get0_EC_KEY(k)) == NULL ||  in es256_sk_create()
247 	    (d = EC_KEY_get0_private_key(ec)) == NULL ||  in es256_sk_create()
272 	EC_KEY		*ec = NULL;  in es256_pk_to_EVP_PKEY()  local
295 	if ((ec = EC_KEY_new_by_curve_name(es256_nid)) == NULL ||  in es256_pk_to_EVP_PKEY()
296 	    (g = EC_KEY_get0_group(ec)) == NULL) {  in es256_pk_to_EVP_PKEY()
303 	    EC_KEY_set_public_key(ec, q) == 0) {  in es256_pk_to_EVP_PKEY()
309 	    EVP_PKEY_assign_EC_KEY(pkey, ec) == 0) {  in es256_pk_to_EVP_PKEY()
314 	ec = NULL; /* at this point, ec belongs to evp */  in es256_pk_to_EVP_PKEY()
323 	if (ec != NULL)  in es256_pk_to_EVP_PKEY()
324 		EC_KEY_free(ec);  in es256_pk_to_EVP_PKEY()
337 es256_pk_from_EC_KEY(es256_pk_t *pk, const EC_KEY *ec)  in es256_pk_from_EC_KEY()  argument
350 	if ((q = EC_KEY_get0_public_key(ec)) == NULL ||  in es256_pk_from_EC_KEY()
399 	const EC_KEY *ec;  in es256_pk_from_EVP_PKEY()  local
402 	    (ec = get0_EC_KEY(pkey)) == NULL)  in es256_pk_from_EVP_PKEY()
405 	return (es256_pk_from_EC_KEY(pk, ec));  in es256_pk_from_EVP_PKEY()
412 	EC_KEY		*ec = NULL;  in es256_sk_to_EVP_PKEY()  local
428 	if ((ec = EC_KEY_new_by_curve_name(es256_nid)) == NULL ||  in es256_sk_to_EVP_PKEY()
429 	    EC_KEY_set_private_key(ec, d) == 0) {  in es256_sk_to_EVP_PKEY()
435 	    EVP_PKEY_assign_EC_KEY(pkey, ec) == 0) {  in es256_sk_to_EVP_PKEY()
440 	ec = NULL; /* at this point, ec belongs to evp */  in es256_sk_to_EVP_PKEY()
449 	if (ec != NULL)  in es256_sk_to_EVP_PKEY()
450 		EC_KEY_free(ec);  in es256_sk_to_EVP_PKEY()
464 	EC_KEY		*ec = NULL;  in es256_derive_pk()  local
470 	    (ec = EC_KEY_new_by_curve_name(es256_nid)) == NULL ||  in es256_derive_pk()
471 	    (g = EC_KEY_get0_group(ec)) == NULL ||  in es256_derive_pk()
478 	    EC_KEY_set_public_key(ec, q) == 0 ||  in es256_derive_pk()
479 	    es256_pk_from_EC_KEY(pk, ec) != FIDO_OK) {  in es256_derive_pk()
490 	if (ec != NULL)  in es256_derive_pk()
491 		EC_KEY_free(ec);  in es256_derive_pk()