openssl/crypto/rsa/rsa_depr.c
Geoff Thorpe bcfea9fb25 Allow RSA key-generation to specify an arbitrary public exponent. Jelte
proposed the change and submitted the patch, I jiggled it slightly and
adjusted the other parts of openssl that were affected.

PR: 867
Submitted by: Jelte Jansen
Reviewed by: Geoff Thorpe
2004-04-26 15:31:35 +00:00

101 lines
3.4 KiB
C

/* crypto/rsa/rsa_depr.c */
/* ====================================================================
* Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/* NB: This file contains deprecated functions (compatibility wrappers to the
* "new" versions). */
#include <stdio.h>
#include <time.h>
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#ifdef OPENSSL_NO_DEPRECATED
static void *dummy=&dummy;
#else
RSA *RSA_generate_key(int bits, unsigned long e_value,
void (*callback)(int,int,void *), void *cb_arg)
{
BN_GENCB cb;
int i;
RSA *rsa = RSA_new();
BIGNUM *e = BN_new();
if(!rsa || !e) goto err;
/* The problem is when building with 8, 16, or 32 BN_ULONG,
* unsigned long can be larger */
for (i=0; i<sizeof(unsigned long)*8; i++)
{
if (e_value & (1UL<<i))
BN_set_bit(e,i);
}
BN_GENCB_set_old(&cb, callback, cb_arg);
if(RSA_generate_key_ex(rsa, bits, e, &cb)) {
BN_free(e);
return rsa;
}
err:
if(e) BN_free(e);
if(rsa) RSA_free(rsa);
return 0;
}
#endif