[thirdparty/openssl.git] / crypto / bn / bnspeed.c

/* crypto/bn/bnspeed.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.]
 */

/* most of this code has been pilfered from my libdes speed.c program */

#define BASENUM	1000000
#undef PROG
#define PROG bnspeed_main

#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include "crypto.h"
#include "err.h"

#ifndef MSDOS
#define TIMES
#endif

#ifndef VMS
#ifndef _IRIX
#include <time.h>
#endif
#ifdef TIMES
#include <sys/types.h>
#include <sys/times.h>
#endif
#else /* VMS */
#include <types.h>
struct tms {
	time_t tms_utime;
	time_t tms_stime;
	time_t tms_uchild;	/* I dunno...  */
	time_t tms_uchildsys;	/* so these names are a guess :-) */
	}
#endif
#ifndef TIMES
#include <sys/timeb.h>
#endif

#if defined(sun) || defined(__ultrix)
#define _POSIX_SOURCE
#include <limits.h>
#include <sys/param.h>
#endif

#include "bn.h"
#include "x509.h"

/* The following if from times(3) man page.  It may need to be changed */
#ifndef HZ
# ifndef CLK_TCK
#  ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
#   ifndef VMS
#    define HZ	100.0
#   else /* VMS */
#    define HZ	100.0
#   endif
#  else /* _BSD_CLK_TCK_ */
#   define HZ ((double)_BSD_CLK_TCK_)
#  endif
# else /* CLK_TCK */
#  define HZ ((double)CLK_TCK)
# endif
#endif

#undef BUFSIZE
#define BUFSIZE	((long)1024*8)
int run=0;

#ifndef NOPROTO
static double Time_F(int s);
#else
static double Time_F();
#endif

#define START	0
#define STOP	1

static double Time_F(s)
int s;
	{
	double ret;
#ifdef TIMES
	static struct tms tstart,tend;

	if (s == START)
		{
		times(&tstart);
		return(0);
		}
	else
		{
		times(&tend);
		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
		return((ret < 1e-3)?1e-3:ret);
		}
#else /* !times() */
	static struct timeb tstart,tend;
	long i;

	if (s == START)
		{
		ftime(&tstart);
		return(0);
		}
	else
		{
		ftime(&tend);
		i=(long)tend.millitm-(long)tstart.millitm;
		ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
		return((ret < 0.001)?0.001:ret);
		}
#endif
	}

#define NUM_SIZES	5
static int sizes[NUM_SIZES]={128,256,512,1024,2048};
/*static int sizes[NUM_SIZES]={59,179,299,419,539}; */

void do_mul(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_CTX *ctx); 

int main(argc,argv)
int argc;
char **argv;
	{
	BN_CTX *ctx;
	BIGNUM a,b,c;

	ctx=BN_CTX_new();
	BN_init(&a);
	BN_init(&b);
	BN_init(&c);

	do_mul(&a,&b,&c,ctx);
	}

void do_mul(r,a,b,ctx)
BIGNUM *r;
BIGNUM *a;
BIGNUM *b;
BN_CTX *ctx;
	{
	int i,j,k;
	double tm;
	long num;

	for (i=0; i<NUM_SIZES; i++)
		{
		num=BASENUM;
		if (i) num/=(i*3);
		BN_rand(a,sizes[i],1,0);
		for (j=i; j<NUM_SIZES; j++)
			{
			BN_rand(b,sizes[j],1,0);
			Time_F(START);
			for (k=0; k<num; k++)
				BN_mul(r,b,a,ctx);
			tm=Time_F(STOP);
			printf("mul %4d x %4d -> %8.3fms\n",sizes[i],sizes[j],tm*1000.0/num);
			}
		}

	for (i=0; i<NUM_SIZES; i++)
		{
		num=BASENUM;
		if (i) num/=(i*3);
		BN_rand(a,sizes[i],1,0);
		Time_F(START);
		for (k=0; k<num; k++)
			BN_sqr(r,a,ctx);
		tm=Time_F(STOP);
		printf("sqr %4d x %4d -> %8.3fms\n",sizes[i],sizes[i],tm*1000.0/num);
		}

	for (i=0; i<NUM_SIZES; i++)
		{
		num=BASENUM/10;
		if (i) num/=(i*3);
		BN_rand(a,sizes[i]-1,1,0);
		for (j=i; j<NUM_SIZES; j++)
			{
			BN_rand(b,sizes[j],1,0);
			Time_F(START);
			for (k=0; k<100000; k++)
				BN_div(r, NULL, b, a,ctx);
			tm=Time_F(STOP);
			printf("div %4d / %4d -> %8.3fms\n",sizes[j],sizes[i]-1,tm*1000.0/num);
			}
		}
	}
Commit	Line	Data
d02b48c6	1	/* crypto/bn/bnspeed.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	/* most of this code has been pilfered from my libdes speed.c program */
	60
58964a49	61	#define BASENUM 1000000
d02b48c6 RE	62	#undef PROG
	63	#define PROG bnspeed_main
	64
	65	#include <stdio.h>
	66	#include <stdlib.h>
	67	#include <signal.h>
	68	#include <string.h>
	69	#include "crypto.h"
	70	#include "err.h"
	71
	72	#ifndef MSDOS
	73	#define TIMES
	74	#endif
	75
	76	#ifndef VMS
	77	#ifndef _IRIX
	78	#include <time.h>
	79	#endif
	80	#ifdef TIMES
	81	#include <sys/types.h>
	82	#include <sys/times.h>
	83	#endif
	84	#else /* VMS */
	85	#include <types.h>
	86	struct tms {
	87	time_t tms_utime;
	88	time_t tms_stime;
	89	time_t tms_uchild; /* I dunno... */
	90	time_t tms_uchildsys; /* so these names are a guess :-) */
	91	}
	92	#endif
	93	#ifndef TIMES
	94	#include <sys/timeb.h>
	95	#endif
	96
dfeab068 RE	97	#if defined(sun) \|\| defined(__ultrix)
dfeab068 RE	98	#define _POSIX_SOURCE
d02b48c6 RE	99	#include <limits.h>
	100	#include <sys/param.h>
	101	#endif
	102
	103	#include "bn.h"
	104	#include "x509.h"
	105
	106	/* The following if from times(3) man page. It may need to be changed */
	107	#ifndef HZ
	108	# ifndef CLK_TCK
	109	# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
	110	# ifndef VMS
	111	# define HZ 100.0
	112	# else /* VMS */
	113	# define HZ 100.0
	114	# endif
	115	# else /* _BSD_CLK_TCK_ */
	116	# define HZ ((double)_BSD_CLK_TCK_)
	117	# endif
	118	# else /* CLK_TCK */
	119	# define HZ ((double)CLK_TCK)
	120	# endif
	121	#endif
	122
	123	#undef BUFSIZE
	124	#define BUFSIZE ((long)1024*8)
	125	int run=0;
	126
	127	#ifndef NOPROTO
	128	static double Time_F(int s);
	129	#else
	130	static double Time_F();
	131	#endif
	132
	133	#define START 0
	134	#define STOP 1
	135
	136	static double Time_F(s)
	137	int s;
	138	{
	139	double ret;
	140	#ifdef TIMES
	141	static struct tms tstart,tend;
	142
	143	if (s == START)
	144	{
	145	times(&tstart);
	146	return(0);
	147	}
	148	else
	149	{
	150	times(&tend);
	151	ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
	152	return((ret < 1e-3)?1e-3:ret);
	153	}
	154	#else /* !times() */
	155	static struct timeb tstart,tend;
	156	long i;
	157
	158	if (s == START)
	159	{
	160	ftime(&tstart);
	161	return(0);
	162	}
163	else
164	{
165	ftime(&tend);
166	i=(long)tend.millitm-(long)tstart.millitm;
167	ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
168	return((ret < 0.001)?0.001:ret);
169	}
170	#endif
171	}
172
173	#define NUM_SIZES 5
58964a49 RE	174	static int sizes[NUM_SIZES]={128,256,512,1024,2048};
58964a49 RE	175	/static int sizes[NUM_SIZES]={59,179,299,419,539}; /
d02b48c6 RE	176
	177	void do_mul(BIGNUM r,BIGNUM a,BIGNUM b,BN_CTX ctx);
	178
	179	int main(argc,argv)
	180	int argc;
	181	char **argv;
	182	{
	183	BN_CTX *ctx;
dfeab068	184	BIGNUM a,b,c;
d02b48c6 RE	185
d02b48c6 RE	186	ctx=BN_CTX_new();
dfeab068 RE	187	BN_init(&a);
	188	BN_init(&b);
	189	BN_init(&c);
d02b48c6	190
dfeab068	191	do_mul(&a,&b,&c,ctx);
d02b48c6 RE	192	}
	193
	194	void do_mul(r,a,b,ctx)
	195	BIGNUM *r;
	196	BIGNUM *a;
	197	BIGNUM *b;
	198	BN_CTX *ctx;
	199	{
	200	int i,j,k;
	201	double tm;
58964a49	202	long num;
d02b48c6 RE	203
	204	for (i=0; i<NUM_SIZES; i++)
	205	{
58964a49 RE	206	num=BASENUM;
58964a49 RE	207	if (i) num/=(i*3);
d02b48c6 RE	208	BN_rand(a,sizes[i],1,0);
	209	for (j=i; j<NUM_SIZES; j++)
	210	{
	211	BN_rand(b,sizes[j],1,0);
	212	Time_F(START);
58964a49	213	for (k=0; k<num; k++)
dfeab068	214	BN_mul(r,b,a,ctx);
d02b48c6	215	tm=Time_F(STOP);
58964a49	216	printf("mul %4d x %4d -> %8.3fms\n",sizes[i],sizes[j],tm*1000.0/num);
d02b48c6 RE	217	}
	218	}
	219
	220	for (i=0; i<NUM_SIZES; i++)
	221	{
58964a49 RE	222	num=BASENUM;
58964a49 RE	223	if (i) num/=(i*3);
d02b48c6 RE	224	BN_rand(a,sizes[i],1,0);
d02b48c6 RE	225	Time_F(START);
58964a49	226	for (k=0; k<num; k++)
d02b48c6 RE	227	BN_sqr(r,a,ctx);
d02b48c6 RE	228	tm=Time_F(STOP);
58964a49	229	printf("sqr %4d x %4d -> %8.3fms\n",sizes[i],sizes[i],tm*1000.0/num);
d02b48c6 RE	230	}
	231
	232	for (i=0; i<NUM_SIZES; i++)
	233	{
58964a49 RE	234	num=BASENUM/10;
	235	if (i) num/=(i*3);
	236	BN_rand(a,sizes[i]-1,1,0);
d02b48c6 RE	237	for (j=i; j<NUM_SIZES; j++)
	238	{
	239	BN_rand(b,sizes[j],1,0);
	240	Time_F(START);
	241	for (k=0; k<100000; k++)
	242	BN_div(r, NULL, b, a,ctx);
	243	tm=Time_F(STOP);
58964a49	244	printf("div %4d / %4d -> %8.3fms\n",sizes[j],sizes[i]-1,tm*1000.0/num);
d02b48c6 RE	245	}
	246	}
	247	}
	248