[apple/security.git] / Security / libsecurity_apple_csp / open_ssl / bn / exptest.c

/*
 * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
 * 
 * The contents of this file constitute Original Code as defined in and are
 * subject to the Apple Public Source License Version 1.2 (the 'License').
 * You may not use this file except in compliance with the License. Please obtain
 * a copy of the License at http://www.apple.com/publicsource and read it before
 * using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
 * specific language governing rights and limitations under the License.
 */


/* crypto/bn/exptest.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#ifdef WINDOWS
#include "../bio/bss_file.c"
#endif

#define NUM_BITS	(BN_BITS*2)

static const char rnd_seed[] = "string to make the random number generator think it has entropy";

int main(int argc, char *argv[])
	{
	BN_CTX *ctx;
	BIO *out=NULL;
	int i,ret;
	unsigned char c;
	BIGNUM *r_mont,*r_recp,*r_simple,*a,*b,*m;

	RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_rand may fail, and we don't
	                                       * even check its return value
	                                       * (which we should) */

	ERR_load_BN_strings();

	ctx=BN_CTX_new();
	if (ctx == NULL) exit(1);
	r_mont=BN_new();
	r_recp=BN_new();
	r_simple=BN_new();
	a=BN_new();
	b=BN_new();
	m=BN_new();
	if (	(r_mont == NULL) || (r_recp == NULL) ||
		(a == NULL) || (b == NULL))
		goto err;

	out=BIO_new(BIO_s_file());

	if (out == NULL) exit(1);
	BIO_set_fp(out,stdout,BIO_NOCLOSE);

	for (i=0; i<200; i++)
		{
		RAND_bytes(&c,1);
		c=(c%BN_BITS)-BN_BITS2;
		BN_rand(a,NUM_BITS+c,0,0);

		RAND_bytes(&c,1);
		c=(c%BN_BITS)-BN_BITS2;
		BN_rand(b,NUM_BITS+c,0,0);

		RAND_bytes(&c,1);
		c=(c%BN_BITS)-BN_BITS2;
		BN_rand(m,NUM_BITS+c,0,1);

		BN_mod(a,a,m,ctx);
		BN_mod(b,b,m,ctx);

		ret=BN_mod_exp_mont(r_mont,a,b,m,ctx,NULL);
		if (ret <= 0)
			{
			printf("BN_mod_exp_mont() problems\n");
			ERR_print_errors(out);
			exit(1);
			}

		ret=BN_mod_exp_recp(r_recp,a,b,m,ctx);
		if (ret <= 0)
			{
			printf("BN_mod_exp_recp() problems\n");
			ERR_print_errors(out);
			exit(1);
			}

		ret=BN_mod_exp_simple(r_simple,a,b,m,ctx);
		if (ret <= 0)
			{
			printf("BN_mod_exp_simple() problems\n");
			ERR_print_errors(out);
			exit(1);
			}

		if (BN_cmp(r_simple, r_mont) == 0
		    && BN_cmp(r_simple,r_recp) == 0)
			{
			printf(".");
			fflush(stdout);
			}
		else
		  	{
			if (BN_cmp(r_simple,r_mont) != 0)
				printf("\nsimple and mont results differ\n");
			if (BN_cmp(r_simple,r_recp) != 0)
				printf("\nsimple and recp results differ\n");

			printf("a (%3d) = ",BN_num_bits(a));   BN_print(out,a);
			printf("\nb (%3d) = ",BN_num_bits(b)); BN_print(out,b);
			printf("\nm (%3d) = ",BN_num_bits(m)); BN_print(out,m);
			printf("\nsimple   =");	BN_print(out,r_simple);
			printf("\nrecp     =");	BN_print(out,r_recp);
			printf("\nmont     ="); BN_print(out,r_mont);
			printf("\n");
			exit(1);
			}
		}
	BN_free(r_mont);
	BN_free(r_recp);
	BN_free(r_simple);
	BN_free(a);
	BN_free(b);
	BN_free(m);
	BN_CTX_free(ctx);
	ERR_remove_state(0);
	CRYPTO_mem_leaks(out);
	BIO_free(out);
	printf(" done\n");
	exit(0);
err:
	ERR_load_crypto_strings();
	ERR_print_errors(out);
	exit(1);
	return(1);
	}
Commit	Line	Data
b1ab9ed8	1	/*
d8f41ccd	2	* Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
b1ab9ed8 A	3	*
	4	* The contents of this file constitute Original Code as defined in and are
	5	* subject to the Apple Public Source License Version 1.2 (the 'License').
	6	* You may not use this file except in compliance with the License. Please obtain
	7	* a copy of the License at http://www.apple.com/publicsource and read it before
	8	* using this file.
	9	*
	10	* This Original Code and all software distributed under the License are
	11	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
	12	* OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
	13	* LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
	14	* PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
	15	* specific language governing rights and limitations under the License.
	16	*/
	17
	18
	19	/* crypto/bn/exptest.c */
	20	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
	21	* All rights reserved.
	22	*
	23	* This package is an SSL implementation written
	24	* by Eric Young (eay@cryptsoft.com).
	25	* The implementation was written so as to conform with Netscapes SSL.
	26	*
	27	* This library is free for commercial and non-commercial use as long as
	28	* the following conditions are aheared to. The following conditions
	29	* apply to all code found in this distribution, be it the RC4, RSA,
	30	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	31	* included with this distribution is covered by the same copyright terms
	32	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	33	*
	34	* Copyright remains Eric Young's, and as such any Copyright notices in
	35	* the code are not to be removed.
	36	* If this package is used in a product, Eric Young should be given attribution
	37	* as the author of the parts of the library used.
	38	* This can be in the form of a textual message at program startup or
	39	* in documentation (online or textual) provided with the package.
	40	*
	41	* Redistribution and use in source and binary forms, with or without
	42	* modification, are permitted provided that the following conditions
	43	* are met:
	44	* 1. Redistributions of source code must retain the copyright
	45	* notice, this list of conditions and the following disclaimer.
	46	* 2. Redistributions in binary form must reproduce the above copyright
	47	* notice, this list of conditions and the following disclaimer in the
	48	* documentation and/or other materials provided with the distribution.
	49	* 3. All advertising materials mentioning features or use of this software
	50	* must display the following acknowledgement:
	51	* "This product includes cryptographic software written by
	52	* Eric Young (eay@cryptsoft.com)"
	53	* The word 'cryptographic' can be left out if the rouines from the library
	54	* being used are not cryptographic related :-).
	55	* 4. If you include any Windows specific code (or a derivative thereof) from
	56	* the apps directory (application code) you must include an acknowledgement:
	57	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	58	*
	59	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	60	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	61	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	62	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	63	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	64	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	65	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	66	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69	* SUCH DAMAGE.
70	*
71	* The licence and distribution terms for any publically available version or
72	* derivative of this code cannot be changed. i.e. this code cannot simply be
73	* copied and put under another distribution licence
74	* [including the GNU Public Licence.]
75	*/
76
77	#include <stdio.h>
78	#include <stdlib.h>
79	#include <string.h>
80	#include <openssl/bio.h>
81	#include <openssl/bn.h>
82	#include <openssl/rand.h>
83	#include <openssl/err.h>
84	#ifdef WINDOWS
85	#include "../bio/bss_file.c"
86	#endif
87
88	#define NUM_BITS (BN_BITS*2)
89
90	static const char rnd_seed[] = "string to make the random number generator think it has entropy";
91
92	int main(int argc, char *argv[])
93	{
94	BN_CTX *ctx;
95	BIO *out=NULL;
96	int i,ret;
97	unsigned char c;
98	BIGNUM r_mont,r_recp,r_simple,a,b,m;
99
100	RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_rand may fail, and we don't
101	* even check its return value
102	* (which we should) */
103
104	ERR_load_BN_strings();
105
106	ctx=BN_CTX_new();
107	if (ctx == NULL) exit(1);
108	r_mont=BN_new();
109	r_recp=BN_new();
110	r_simple=BN_new();
111	a=BN_new();
112	b=BN_new();
113	m=BN_new();
114	if ( (r_mont == NULL) \|\| (r_recp == NULL) \|\|
115	(a == NULL) \|\| (b == NULL))
116	goto err;
117
118	out=BIO_new(BIO_s_file());
119
120	if (out == NULL) exit(1);
121	BIO_set_fp(out,stdout,BIO_NOCLOSE);
122
123	for (i=0; i<200; i++)
124	{
125	RAND_bytes(&c,1);
126	c=(c%BN_BITS)-BN_BITS2;
127	BN_rand(a,NUM_BITS+c,0,0);
128
129	RAND_bytes(&c,1);
130	c=(c%BN_BITS)-BN_BITS2;
131	BN_rand(b,NUM_BITS+c,0,0);
132
133	RAND_bytes(&c,1);
134	c=(c%BN_BITS)-BN_BITS2;
135	BN_rand(m,NUM_BITS+c,0,1);
136
137	BN_mod(a,a,m,ctx);
138	BN_mod(b,b,m,ctx);
139
140	ret=BN_mod_exp_mont(r_mont,a,b,m,ctx,NULL);
141	if (ret <= 0)
142	{
143	printf("BN_mod_exp_mont() problems\n");
144	ERR_print_errors(out);
145	exit(1);
146	}
147
148	ret=BN_mod_exp_recp(r_recp,a,b,m,ctx);
149	if (ret <= 0)
150	{
151	printf("BN_mod_exp_recp() problems\n");
152	ERR_print_errors(out);
153	exit(1);
154	}
155
156	ret=BN_mod_exp_simple(r_simple,a,b,m,ctx);
157	if (ret <= 0)
158	{
159	printf("BN_mod_exp_simple() problems\n");
160	ERR_print_errors(out);
161	exit(1);
162	}
163
164	if (BN_cmp(r_simple, r_mont) == 0
165	&& BN_cmp(r_simple,r_recp) == 0)
166	{
167	printf(".");
168	fflush(stdout);
169	}
170	else
171	{
172	if (BN_cmp(r_simple,r_mont) != 0)
173	printf("\nsimple and mont results differ\n");
174	if (BN_cmp(r_simple,r_recp) != 0)
175	printf("\nsimple and recp results differ\n");
176
177	printf("a (%3d) = ",BN_num_bits(a)); BN_print(out,a);
178	printf("\nb (%3d) = ",BN_num_bits(b)); BN_print(out,b);
179	printf("\nm (%3d) = ",BN_num_bits(m)); BN_print(out,m);
180	printf("\nsimple ="); BN_print(out,r_simple);
181	printf("\nrecp ="); BN_print(out,r_recp);
182	printf("\nmont ="); BN_print(out,r_mont);
183	printf("\n");
184	exit(1);
185	}
186	}
187	BN_free(r_mont);
188	BN_free(r_recp);
189	BN_free(r_simple);
190	BN_free(a);
191	BN_free(b);
192	BN_free(m);
193	BN_CTX_free(ctx);
194	ERR_remove_state(0);
195	CRYPTO_mem_leaks(out);
196	BIO_free(out);
197	printf(" done\n");
198	exit(0);
199	err:
200	ERR_load_crypto_strings();
201	ERR_print_errors(out);
202	exit(1);
203	return(1);
204	}
205