1/*
2 * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * NB: This file contains deprecated functions (compatibility wrappers to the
12 * "new" versions).
13 */
14
15#include <openssl/opensslconf.h>
16#ifdef OPENSSL_NO_DEPRECATED_0_9_8
17NON_EMPTY_TRANSLATION_UNIT
18
19#else
20
21# include <stdio.h>
22# include <time.h>
23# include "internal/cryptlib.h"
24# include <openssl/bn.h>
25# include <openssl/rsa.h>
26
27RSA *RSA_generate_key(int bits, unsigned long e_value,
28 void (*callback) (int, int, void *), void *cb_arg)
29{
30 int i;
31 BN_GENCB *cb = BN_GENCB_new();
32 RSA *rsa = RSA_new();
33 BIGNUM *e = BN_new();
34
35 if (cb == NULL || rsa == NULL || e == NULL)
36 goto err;
37
38 /*
39 * The problem is when building with 8, 16, or 32 BN_ULONG, unsigned long
40 * can be larger
41 */
42 for (i = 0; i < (int)sizeof(unsigned long) * 8; i++) {
43 if (e_value & (1UL << i))
44 if (BN_set_bit(e, i) == 0)
45 goto err;
46 }
47
48 BN_GENCB_set_old(cb, callback, cb_arg);
49
50 if (RSA_generate_key_ex(rsa, bits, e, cb)) {
51 BN_free(e);
52 BN_GENCB_free(cb);
53 return rsa;
54 }
55 err:
56 BN_free(e);
57 RSA_free(rsa);
58 BN_GENCB_free(cb);
59 return 0;
60}
61#endif
62