1 /* 2 * Copyright (c) 2018 Thomas Pornin <pornin@bolet.org> 3 * 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: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 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 22 * SOFTWARE. 23 */ 24 25 #include "inner.h" 26 27 #if BR_INT128 || BR_UMUL128 28 29 /* see bearssl_rsa.h */ 30 uint32_t 31 br_rsa_i62_pss_sign(const br_prng_class **rng, 32 const br_hash_class *hf_data, const br_hash_class *hf_mgf1, 33 const unsigned char *hash, size_t salt_len, 34 const br_rsa_private_key *sk, unsigned char *x) 35 { 36 if (!br_rsa_pss_sig_pad(rng, hf_data, hf_mgf1, hash, 37 salt_len, sk->n_bitlen, x)) 38 { 39 return 0; 40 } 41 return br_rsa_i62_private(x, sk); 42 } 43 44 /* see bearssl_rsa.h */ 45 br_rsa_pss_sign 46 br_rsa_i62_pss_sign_get(void) 47 { 48 return &br_rsa_i62_pss_sign; 49 } 50 51 #else 52 53 /* see bearssl_rsa.h */ 54 br_rsa_pss_sign 55 br_rsa_i62_pss_sign_get(void) 56 { 57 return 0; 58 } 59 60 #endif 61