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      1 /* crypto/bn/bn_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 /* Support for deprecated functions goes here - static linkage will only slurp
     57  * this code if applications are using them directly. */
     58 
     59 #include <stdio.h>
     60 #include <time.h>
     61 #include "cryptlib.h"
     62 #include "bn_lcl.h"
     63 #include <openssl/rand.h>
     64 
     65 static void *dummy=&dummy;
     66 
     67 #ifndef OPENSSL_NO_DEPRECATED
     68 BIGNUM *BN_generate_prime(BIGNUM *ret, int bits, int safe,
     69 	const BIGNUM *add, const BIGNUM *rem,
     70 	void (*callback)(int,int,void *), void *cb_arg)
     71 	{
     72 	BN_GENCB cb;
     73 	BIGNUM *rnd=NULL;
     74 	int found = 0;
     75 
     76 	BN_GENCB_set_old(&cb, callback, cb_arg);
     77 
     78 	if (ret == NULL)
     79 		{
     80 		if ((rnd=BN_new()) == NULL) goto err;
     81 		}
     82 	else
     83 		rnd=ret;
     84 	if(!BN_generate_prime_ex(rnd, bits, safe, add, rem, &cb))
     85 		goto err;
     86 
     87 	/* we have a prime :-) */
     88 	found = 1;
     89 err:
     90 	if (!found && (ret == NULL) && (rnd != NULL)) BN_free(rnd);
     91 	return(found ? rnd : NULL);
     92 	}
     93 
     94 int BN_is_prime(const BIGNUM *a, int checks, void (*callback)(int,int,void *),
     95 	BN_CTX *ctx_passed, void *cb_arg)
     96 	{
     97 	BN_GENCB cb;
     98 	BN_GENCB_set_old(&cb, callback, cb_arg);
     99 	return BN_is_prime_ex(a, checks, ctx_passed, &cb);
    100 	}
    101 
    102 int BN_is_prime_fasttest(const BIGNUM *a, int checks,
    103 		void (*callback)(int,int,void *),
    104 		BN_CTX *ctx_passed, void *cb_arg,
    105 		int do_trial_division)
    106 	{
    107 	BN_GENCB cb;
    108 	BN_GENCB_set_old(&cb, callback, cb_arg);
    109 	return BN_is_prime_fasttest_ex(a, checks, ctx_passed,
    110 				do_trial_division, &cb);
    111 	}
    112 #endif
    113