From dc25573ed79a0d55c5a24b20474aa8504a758a2c Mon Sep 17 00:00:00 2001 From: David Monniaux Date: Sat, 2 Feb 2019 12:03:44 +0100 Subject: BearSSL --- test/monniaux/BearSSL/src/rsa/rsa_i15_pkcs1_vrfy.c | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 test/monniaux/BearSSL/src/rsa/rsa_i15_pkcs1_vrfy.c (limited to 'test/monniaux/BearSSL/src/rsa/rsa_i15_pkcs1_vrfy.c') diff --git a/test/monniaux/BearSSL/src/rsa/rsa_i15_pkcs1_vrfy.c b/test/monniaux/BearSSL/src/rsa/rsa_i15_pkcs1_vrfy.c new file mode 100644 index 00000000..2c351849 --- /dev/null +++ b/test/monniaux/BearSSL/src/rsa/rsa_i15_pkcs1_vrfy.c @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2017 Thomas Pornin + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "inner.h" + +/* see bearssl_rsa.h */ +uint32_t +br_rsa_i15_pkcs1_vrfy(const unsigned char *x, size_t xlen, + const unsigned char *hash_oid, size_t hash_len, + const br_rsa_public_key *pk, unsigned char *hash_out) +{ + unsigned char sig[BR_MAX_RSA_SIZE >> 3]; + + if (xlen > (sizeof sig)) { + return 0; + } + memcpy(sig, x, xlen); + if (!br_rsa_i15_public(sig, xlen, pk)) { + return 0; + } + return br_rsa_pkcs1_sig_unpad(sig, xlen, hash_oid, hash_len, hash_out); +} -- cgit