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- /* unused */
- /* 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 <openssl/crypto.h>
- #include <openssl/err.h>
- #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
- #define TIMES
- #endif
- #ifndef _IRIX
- #include <time.h>
- #endif
- #ifdef TIMES
- #include <sys/types.h>
- #include <sys/times.h>
- #endif
- /* Depending on the VMS version, the tms structure is perhaps defined.
- The __TMS macro will show if it was. If it wasn't defined, we should
- undefine TIMES, since that tells the rest of the program how things
- should be handled. -- Richard Levitte */
- #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
- #undef TIMES
- #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 <openssl/bn.h>
- #include <openssl/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 */
- # define HZ 100.0
- # 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;
- static double Time_F(int s);
- #define START 0
- #define STOP 1
- static double Time_F(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(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(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);
- }
- }
- }
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