sl@0: /* unused */
sl@0: 
sl@0: /* crypto/bn/bnspeed.c */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: 
sl@0: /* most of this code has been pilfered from my libdes speed.c program */
sl@0: 
sl@0: #define BASENUM	1000000
sl@0: #undef PROG
sl@0: #define PROG bnspeed_main
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <stdlib.h>
sl@0: #include <signal.h>
sl@0: #include <string.h>
sl@0: #include <openssl/crypto.h>
sl@0: #include <openssl/err.h>
sl@0: 
sl@0: #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
sl@0: #define TIMES
sl@0: #endif
sl@0: 
sl@0: #ifndef _IRIX
sl@0: #include <time.h>
sl@0: #endif
sl@0: #ifdef TIMES
sl@0: #include <sys/types.h>
sl@0: #include <sys/times.h>
sl@0: #endif
sl@0: 
sl@0: /* Depending on the VMS version, the tms structure is perhaps defined.
sl@0:    The __TMS macro will show if it was.  If it wasn't defined, we should
sl@0:    undefine TIMES, since that tells the rest of the program how things
sl@0:    should be handled.				-- Richard Levitte */
sl@0: #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
sl@0: #undef TIMES
sl@0: #endif
sl@0: 
sl@0: #ifndef TIMES
sl@0: #include <sys/timeb.h>
sl@0: #endif
sl@0: 
sl@0: #if defined(sun) || defined(__ultrix)
sl@0: #define _POSIX_SOURCE
sl@0: #include <limits.h>
sl@0: #include <sys/param.h>
sl@0: #endif
sl@0: 
sl@0: #include <openssl/bn.h>
sl@0: #include <openssl/x509.h>
sl@0: 
sl@0: /* The following if from times(3) man page.  It may need to be changed */
sl@0: #ifndef HZ
sl@0: # ifndef CLK_TCK
sl@0: #  ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
sl@0: #   define HZ	100.0
sl@0: #  else /* _BSD_CLK_TCK_ */
sl@0: #   define HZ ((double)_BSD_CLK_TCK_)
sl@0: #  endif
sl@0: # else /* CLK_TCK */
sl@0: #  define HZ ((double)CLK_TCK)
sl@0: # endif
sl@0: #endif
sl@0: 
sl@0: #undef BUFSIZE
sl@0: #define BUFSIZE	((long)1024*8)
sl@0: int run=0;
sl@0: 
sl@0: static double Time_F(int s);
sl@0: #define START	0
sl@0: #define STOP	1
sl@0: 
sl@0: static double Time_F(int s)
sl@0: 	{
sl@0: 	double ret;
sl@0: #ifdef TIMES
sl@0: 	static struct tms tstart,tend;
sl@0: 
sl@0: 	if (s == START)
sl@0: 		{
sl@0: 		times(&tstart);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		times(&tend);
sl@0: 		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
sl@0: 		return((ret < 1e-3)?1e-3:ret);
sl@0: 		}
sl@0: #else /* !times() */
sl@0: 	static struct timeb tstart,tend;
sl@0: 	long i;
sl@0: 
sl@0: 	if (s == START)
sl@0: 		{
sl@0: 		ftime(&tstart);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		ftime(&tend);
sl@0: 		i=(long)tend.millitm-(long)tstart.millitm;
sl@0: 		ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
sl@0: 		return((ret < 0.001)?0.001:ret);
sl@0: 		}
sl@0: #endif
sl@0: 	}
sl@0: 
sl@0: #define NUM_SIZES	5
sl@0: static int sizes[NUM_SIZES]={128,256,512,1024,2048};
sl@0: /*static int sizes[NUM_SIZES]={59,179,299,419,539}; */
sl@0: 
sl@0: void do_mul(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_CTX *ctx); 
sl@0: 
sl@0: int main(int argc, char **argv)
sl@0: 	{
sl@0: 	BN_CTX *ctx;
sl@0: 	BIGNUM a,b,c;
sl@0: 
sl@0: 	ctx=BN_CTX_new();
sl@0: 	BN_init(&a);
sl@0: 	BN_init(&b);
sl@0: 	BN_init(&c);
sl@0: 
sl@0: 	do_mul(&a,&b,&c,ctx);
sl@0: 	}
sl@0: 
sl@0: void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
sl@0: 	{
sl@0: 	int i,j,k;
sl@0: 	double tm;
sl@0: 	long num;
sl@0: 
sl@0: 	for (i=0; i<NUM_SIZES; i++)
sl@0: 		{
sl@0: 		num=BASENUM;
sl@0: 		if (i) num/=(i*3);
sl@0: 		BN_rand(a,sizes[i],1,0);
sl@0: 		for (j=i; j<NUM_SIZES; j++)
sl@0: 			{
sl@0: 			BN_rand(b,sizes[j],1,0);
sl@0: 			Time_F(START);
sl@0: 			for (k=0; k<num; k++)
sl@0: 				BN_mul(r,b,a,ctx);
sl@0: 			tm=Time_F(STOP);
sl@0: 			printf("mul %4d x %4d -> %8.3fms\n",sizes[i],sizes[j],tm*1000.0/num);
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	for (i=0; i<NUM_SIZES; i++)
sl@0: 		{
sl@0: 		num=BASENUM;
sl@0: 		if (i) num/=(i*3);
sl@0: 		BN_rand(a,sizes[i],1,0);
sl@0: 		Time_F(START);
sl@0: 		for (k=0; k<num; k++)
sl@0: 			BN_sqr(r,a,ctx);
sl@0: 		tm=Time_F(STOP);
sl@0: 		printf("sqr %4d x %4d -> %8.3fms\n",sizes[i],sizes[i],tm*1000.0/num);
sl@0: 		}
sl@0: 
sl@0: 	for (i=0; i<NUM_SIZES; i++)
sl@0: 		{
sl@0: 		num=BASENUM/10;
sl@0: 		if (i) num/=(i*3);
sl@0: 		BN_rand(a,sizes[i]-1,1,0);
sl@0: 		for (j=i; j<NUM_SIZES; j++)
sl@0: 			{
sl@0: 			BN_rand(b,sizes[j],1,0);
sl@0: 			Time_F(START);
sl@0: 			for (k=0; k<100000; k++)
sl@0: 				BN_div(r, NULL, b, a,ctx);
sl@0: 			tm=Time_F(STOP);
sl@0: 			printf("div %4d / %4d -> %8.3fms\n",sizes[j],sizes[i]-1,tm*1000.0/num);
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: