1/* 2 * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. 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/* unused */ 20 21/* crypto/bn/expspeed.c */ 22/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 23 * All rights reserved. 24 * 25 * This package is an SSL implementation written 26 * by Eric Young (eay@cryptsoft.com). 27 * The implementation was written so as to conform with Netscapes SSL. 28 * 29 * This library is free for commercial and non-commercial use as long as 30 * the following conditions are aheared to. The following conditions 31 * apply to all code found in this distribution, be it the RC4, RSA, 32 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 33 * included with this distribution is covered by the same copyright terms 34 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 35 * 36 * Copyright remains Eric Young's, and as such any Copyright notices in 37 * the code are not to be removed. 38 * If this package is used in a product, Eric Young should be given attribution 39 * as the author of the parts of the library used. 40 * This can be in the form of a textual message at program startup or 41 * in documentation (online or textual) provided with the package. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * "This product includes cryptographic software written by 54 * Eric Young (eay@cryptsoft.com)" 55 * The word 'cryptographic' can be left out if the rouines from the library 56 * being used are not cryptographic related :-). 57 * 4. If you include any Windows specific code (or a derivative thereof) from 58 * the apps directory (application code) you must include an acknowledgement: 59 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 60 * 61 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 63 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 64 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 65 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 66 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 67 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 69 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 71 * SUCH DAMAGE. 72 * 73 * The licence and distribution terms for any publically available version or 74 * derivative of this code cannot be changed. i.e. this code cannot simply be 75 * copied and put under another distribution licence 76 * [including the GNU Public Licence.] 77 */ 78 79/* most of this code has been pilfered from my libdes speed.c program */ 80 81#define BASENUM 5000 82#undef PROG 83#define PROG bnspeed_main 84 85#include <stdio.h> 86#include <stdlib.h> 87#include <signal.h> 88#include <string.h> 89#include <openssl/crypto.h> 90#include <openssl/err.h> 91 92#if !defined(MSDOS) && (!defined(VMS) || defined(__DECC)) 93#define TIMES 94#endif 95 96#ifndef _IRIX 97#include <time.h> 98#endif 99#ifdef TIMES 100#include <sys/types.h> 101#include <sys/times.h> 102#endif 103 104/* Depending on the VMS version, the tms structure is perhaps defined. 105 The __TMS macro will show if it was. If it wasn't defined, we should 106 undefine TIMES, since that tells the rest of the program how things 107 should be handled. -- Richard Levitte */ 108#if defined(VMS) && defined(__DECC) && !defined(__TMS) 109#undef TIMES 110#endif 111 112#ifndef TIMES 113#include <sys/timeb.h> 114#endif 115 116#if defined(sun) || defined(__ultrix) 117#define _POSIX_SOURCE 118#include <limits.h> 119#include <sys/param.h> 120#endif 121 122#include <openssl/bn.h> 123#include <openssl/x509.h> 124 125/* The following if from times(3) man page. It may need to be changed */ 126#ifndef HZ 127# ifndef CLK_TCK 128# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ 129# define HZ 100.0 130# else /* _BSD_CLK_TCK_ */ 131# define HZ ((double)_BSD_CLK_TCK_) 132# endif 133# else /* CLK_TCK */ 134# define HZ ((double)CLK_TCK) 135# endif 136#endif 137 138#undef BUFSIZE 139#define BUFSIZE ((long)1024*8) 140int run=0; 141 142static double Time_F(int s); 143#define START 0 144#define STOP 1 145 146static double Time_F(int s) 147 { 148 double ret; 149#ifdef TIMES 150 static struct tms tstart,tend; 151 152 if (s == START) 153 { 154 times(&tstart); 155 return(0); 156 } 157 else 158 { 159 times(&tend); 160 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ; 161 return((ret < 1e-3)?1e-3:ret); 162 } 163#else /* !times() */ 164 static struct timeb tstart,tend; 165 long i; 166 167 if (s == START) 168 { 169 ftime(&tstart); 170 return(0); 171 } 172 else 173 { 174 ftime(&tend); 175 i=(long)tend.millitm-(long)tstart.millitm; 176 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0; 177 return((ret < 0.001)?0.001:ret); 178 } 179#endif 180 } 181 182#define NUM_SIZES 6 183static int sizes[NUM_SIZES]={256,512,1024,2048,4096,8192}; 184static int mul_c[NUM_SIZES]={8*8*8*8*8,8*8*8*8,8*8*8,8*8,8,1}; 185/*static int sizes[NUM_SIZES]={59,179,299,419,539}; */ 186 187void do_mul_exp(BIGNUM *r,BIGNUM *a,BIGNUM *b,BIGNUM *c,BN_CTX *ctx); 188 189int main(int argc, char **argv) 190 { 191 BN_CTX *ctx; 192 BIGNUM *a,*b,*c,*r; 193 194 ctx=BN_CTX_new(); 195 a=BN_new(); 196 b=BN_new(); 197 c=BN_new(); 198 r=BN_new(); 199 200 do_mul_exp(r,a,b,c,ctx); 201 } 202 203void do_mul_exp(BIGNUM *r, BIGNUM *a, BIGNUM *b, BIGNUM *c, BN_CTX *ctx) 204 { 205 int i,k; 206 double tm; 207 long num; 208 BN_MONT_CTX m; 209 210 memset(&m,0,sizeof(m)); 211 212 num=BASENUM; 213 for (i=0; i<NUM_SIZES; i++) 214 { 215 BN_rand(a,sizes[i],1,0); 216 BN_rand(b,sizes[i],1,0); 217 BN_rand(c,sizes[i],1,1); 218 BN_mod(a,a,c,ctx); 219 BN_mod(b,b,c,ctx); 220 221 BN_MONT_CTX_set(&m,c,ctx); 222 223 Time_F(START); 224 for (k=0; k<num; k++) 225 BN_mod_exp_mont(r,a,b,c,ctx,&m); 226 tm=Time_F(STOP); 227 printf("mul %4d ^ %4d %% %d -> %8.3fms %5.1f\n",sizes[i],sizes[i],sizes[i],tm*1000.0/num,tm*mul_c[i]/num); 228 num/=7; 229 if (num <= 0) num=1; 230 } 231 232 } 233 234