Viewing file:  rsa_depr.c (1.51 KB) -rw-r--r--
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/*
* Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* NB: This file contains deprecated functions (compatibility wrappers to the
* "new" versions).
*/
/*
* RSA low level APIs are deprecated for public use, but still ok for
* internal use.
*/
#include "internal/deprecated.h"
#include <openssl/opensslconf.h>
#include <stdio.h>
#include <time.h>
#include "internal/cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
RSA *RSA_generate_key(int bits, unsigned long e_value,
void (*callback) (int, int, void *), void *cb_arg)
{
int i;
BN_GENCB *cb = BN_GENCB_new();
RSA *rsa = RSA_new();
BIGNUM *e = BN_new();
if (cb == NULL || rsa == NULL || e == NULL)
goto err;
/*
* The problem is when building with 8, 16, or 32 BN_ULONG, unsigned long
* can be larger
*/
for (i = 0; i < (int)sizeof(unsigned long) * 8; i++) {
if (e_value & (1UL << i))
if (BN_set_bit(e, i) == 0)
goto err;
}
BN_GENCB_set_old(cb, callback, cb_arg);
if (RSA_generate_key_ex(rsa, bits, e, cb)) {
BN_free(e);
BN_GENCB_free(cb);
return rsa;
}
err:
BN_free(e);
RSA_free(rsa);
BN_GENCB_free(cb);
return 0;
}
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