1  /*
 2   * Copyright (c) 2017 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_pkcs1_sign(const unsigned char *hash_oid,
32  	const unsigned char *hash, size_t hash_len,
33  	const br_rsa_private_key *sk, unsigned char *x)
34  {
35  	if (!br_rsa_pkcs1_sig_pad(hash_oid, hash, hash_len, sk->n_bitlen, x)) {
36  		return 0;
37  	}
38  	return br_rsa_i62_private(x, sk);
39  }
40  
41  /* see bearssl_rsa.h */
42  br_rsa_pkcs1_sign
43  br_rsa_i62_pkcs1_sign_get(void)
44  {
45  	return &br_rsa_i62_pkcs1_sign;
46  }
47  
48  #else
49  
50  /* see bearssl_rsa.h */
51  br_rsa_pkcs1_sign
52  br_rsa_i62_pkcs1_sign_get(void)
53  {
54  	return 0;
55  }
56  
57  #endif