1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57 #include <openssl/rsa.h>
58
59 #include <assert.h>
60
61 #include <openssl/bn.h>
62
63
RSA_generate_key(int bits,unsigned long e_value,void * callback,void * cb_arg)64 RSA *RSA_generate_key(int bits, unsigned long e_value, void *callback,
65 void *cb_arg) {
66 assert(callback == NULL);
67 assert(cb_arg == NULL);
68
69 RSA *rsa = RSA_new();
70 BIGNUM *e = BN_new();
71
72 if (rsa == NULL ||
73 e == NULL ||
74 !BN_set_word(e, e_value) ||
75 !RSA_generate_key_ex(rsa, bits, e, NULL)) {
76 goto err;
77 }
78
79 BN_free(e);
80 return rsa;
81
82 err:
83 BN_free(e);
84 RSA_free(rsa);
85 return NULL;
86 }
87
RSA_padding_add_PKCS1_PSS(const RSA * rsa,uint8_t * EM,const uint8_t * mHash,const EVP_MD * Hash,int sLen)88 int RSA_padding_add_PKCS1_PSS(const RSA *rsa, uint8_t *EM, const uint8_t *mHash,
89 const EVP_MD *Hash, int sLen) {
90 return RSA_padding_add_PKCS1_PSS_mgf1(rsa, EM, mHash, Hash, NULL, sLen);
91 }
92
RSA_verify_PKCS1_PSS(const RSA * rsa,const uint8_t * mHash,const EVP_MD * Hash,const uint8_t * EM,int sLen)93 int RSA_verify_PKCS1_PSS(const RSA *rsa, const uint8_t *mHash,
94 const EVP_MD *Hash, const uint8_t *EM, int sLen) {
95 return RSA_verify_PKCS1_PSS_mgf1(rsa, mHash, Hash, NULL, EM, sLen);
96 }
97
RSA_padding_add_PKCS1_OAEP(uint8_t * to,size_t to_len,const uint8_t * from,size_t from_len,const uint8_t * param,size_t param_len)98 int RSA_padding_add_PKCS1_OAEP(uint8_t *to, size_t to_len,
99 const uint8_t *from, size_t from_len,
100 const uint8_t *param, size_t param_len) {
101 return RSA_padding_add_PKCS1_OAEP_mgf1(to, to_len, from, from_len, param,
102 param_len, NULL, NULL);
103 }
104