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      1 /* crypto/rsa/rsa_depr.c */
      2 /* ====================================================================
      3  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  *
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in
     14  *    the documentation and/or other materials provided with the
     15  *    distribution.
     16  *
     17  * 3. All advertising materials mentioning features or use of this
     18  *    software must display the following acknowledgment:
     19  *    "This product includes software developed by the OpenSSL Project
     20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
     21  *
     22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
     23  *    endorse or promote products derived from this software without
     24  *    prior written permission. For written permission, please contact
     25  *    openssl-core (at) openssl.org.
     26  *
     27  * 5. Products derived from this software may not be called "OpenSSL"
     28  *    nor may "OpenSSL" appear in their names without prior written
     29  *    permission of the OpenSSL Project.
     30  *
     31  * 6. Redistributions of any form whatsoever must retain the following
     32  *    acknowledgment:
     33  *    "This product includes software developed by the OpenSSL Project
     34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
     35  *
     36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
     37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
     40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
     47  * OF THE POSSIBILITY OF SUCH DAMAGE.
     48  * ====================================================================
     49  *
     50  * This product includes cryptographic software written by Eric Young
     51  * (eay (at) cryptsoft.com).  This product includes software written by Tim
     52  * Hudson (tjh (at) cryptsoft.com).
     53  *
     54  */
     55 
     56 /* NB: This file contains deprecated functions (compatibility wrappers to the
     57  * "new" versions). */
     58 
     59 #include <stdio.h>
     60 #include <time.h>
     61 #include "cryptlib.h"
     62 #include <openssl/bn.h>
     63 #include <openssl/rsa.h>
     64 
     65 #ifdef OPENSSL_NO_DEPRECATED
     66 
     67 static void *dummy=&dummy;
     68 
     69 #else
     70 
     71 RSA *RSA_generate_key(int bits, unsigned long e_value,
     72 	     void (*callback)(int,int,void *), void *cb_arg)
     73 	{
     74 	BN_GENCB cb;
     75 	int i;
     76 	RSA *rsa = RSA_new();
     77 	BIGNUM *e = BN_new();
     78 
     79 	if(!rsa || !e) goto err;
     80 
     81 	/* The problem is when building with 8, 16, or 32 BN_ULONG,
     82 	 * unsigned long can be larger */
     83 	for (i=0; i<(int)sizeof(unsigned long)*8; i++)
     84 		{
     85 		if (e_value & (1UL<<i))
     86 			if (BN_set_bit(e,i) == 0)
     87 				goto err;
     88 		}
     89 
     90 	BN_GENCB_set_old(&cb, callback, cb_arg);
     91 
     92 	if(RSA_generate_key_ex(rsa, bits, e, &cb)) {
     93 		BN_free(e);
     94 		return rsa;
     95 	}
     96 err:
     97 	if(e) BN_free(e);
     98 	if(rsa) RSA_free(rsa);
     99 	return 0;
    100 	}
    101 #endif
    102