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