2 * Copyright (c) 2018 Thomas Pornin <pornin@bolet.org>
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 /* see bearssl_rsa.h */
29 br_rsa_i15_pss_vrfy(const unsigned char *x
, size_t xlen
,
30 const br_hash_class
*hf_data
, const br_hash_class
*hf_mgf1
,
31 const void *hash
, size_t salt_len
, const br_rsa_public_key
*pk
)
33 unsigned char sig
[BR_MAX_RSA_SIZE
>> 3];
35 if (xlen
> (sizeof sig
)) {
39 if (!br_rsa_i15_public(sig
, xlen
, pk
)) {
42 return br_rsa_pss_sig_unpad(hf_data
, hf_mgf1
,
43 hash
, salt_len
, pk
, sig
);