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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@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@cryptsoft.com).  This product includes software written by Tim
52  * Hudson (tjh@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
BN_generate_prime(BIGNUM * ret,int bits,int safe,const BIGNUM * add,const BIGNUM * rem,void (* callback)(int,int,void *),void * cb_arg)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 
BN_is_prime(const BIGNUM * a,int checks,void (* callback)(int,int,void *),BN_CTX * ctx_passed,void * cb_arg)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 
BN_is_prime_fasttest(const BIGNUM * a,int checks,void (* callback)(int,int,void *),BN_CTX * ctx_passed,void * cb_arg,int do_trial_division)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