2 * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2017 BaishanCloud. All rights reserved.
5 * Licensed under the OpenSSL license (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
11 #include <openssl/bn.h>
14 void rsa_multip_info_free_ex(RSA_PRIME_INFO *pinfo)
16 /* free pp and pinfo only */
17 BN_clear_free(pinfo->pp);
21 void rsa_multip_info_free(RSA_PRIME_INFO *pinfo)
23 /* free a RSA_PRIME_INFO structure */
24 BN_clear_free(pinfo->r);
25 BN_clear_free(pinfo->d);
26 BN_clear_free(pinfo->t);
27 rsa_multip_info_free_ex(pinfo);
30 RSA_PRIME_INFO *rsa_multip_info_new(void)
32 RSA_PRIME_INFO *pinfo;
34 /* create a RSA_PRIME_INFO structure */
35 pinfo = OPENSSL_zalloc(sizeof(RSA_PRIME_INFO));
38 if ((pinfo->r = BN_secure_new()) == NULL)
40 if ((pinfo->d = BN_secure_new()) == NULL)
42 if ((pinfo->t = BN_secure_new()) == NULL)
44 if ((pinfo->pp = BN_secure_new()) == NULL)
57 /* Refill products of primes */
58 int rsa_multip_calc_product(RSA *rsa)
60 RSA_PRIME_INFO *pinfo;
61 BIGNUM *p1 = NULL, *p2 = NULL;
63 int i, rv = 0, ex_primes;
65 if ((ex_primes = sk_RSA_PRIME_INFO_num(rsa->prime_infos)) <= 0) {
70 if ((ctx = BN_CTX_new()) == NULL)
73 /* calculate pinfo->pp = p * q for first 'extra' prime */
77 for (i = 0; i < ex_primes; i++) {
78 pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);
79 if (pinfo->pp == NULL) {
80 pinfo->pp = BN_secure_new();
81 if (pinfo->pp == NULL)
84 if (!BN_mul(pinfo->pp, p1, p2, ctx))
86 /* save previous one */