2 * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.
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
11 * NB: This file contains deprecated functions (compatibility wrappers to the
16 * RSA low level APIs are deprecated for public use, but still ok for
19 #include "internal/deprecated.h"
21 #include <openssl/opensslconf.h>
25 #include "internal/cryptlib.h"
26 #include <openssl/bn.h>
27 #include <openssl/rsa.h>
29 RSA *RSA_generate_key(int bits, unsigned long e_value,
30 void (*callback) (int, int, void *), void *cb_arg)
33 BN_GENCB *cb = BN_GENCB_new();
37 if (cb == NULL || rsa == NULL || e == NULL)
41 * The problem is when building with 8, 16, or 32 BN_ULONG, unsigned long
44 for (i = 0; i < (int)sizeof(unsigned long) * 8; i++) {
45 if (e_value & (1UL << i))
46 if (BN_set_bit(e, i) == 0)
50 BN_GENCB_set_old(cb, callback, cb_arg);
52 if (RSA_generate_key_ex(rsa, bits, e, cb)) {