1/* crypto/rc4/rc4speed.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 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/* 11-Sep-92 Andrew Daviel Support for Silicon Graphics IRIX added */ 60/* 06-Apr-92 Luke Brennan Support for VMS and add extra signal calls */ 61 62#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX) 63# define TIMES 64#endif 65 66#include <stdio.h> 67 68#include <openssl/e_os2.h> 69#include OPENSSL_UNISTD_IO 70OPENSSL_DECLARE_EXIT 71#ifndef OPENSSL_SYS_NETWARE 72# include <signal.h> 73#endif 74#ifndef _IRIX 75# include <time.h> 76#endif 77#ifdef TIMES 78# include <sys/types.h> 79# include <sys/times.h> 80#endif 81 /* 82 * Depending on the VMS version, the tms structure is perhaps defined. 83 * The __TMS macro will show if it was. If it wasn't defined, we should 84 * undefine TIMES, since that tells the rest of the program how things 85 * should be handled. -- Richard Levitte 86 */ 87#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) 88# undef TIMES 89#endif 90#ifndef TIMES 91# include <sys/timeb.h> 92#endif 93#if defined(sun) || defined(__ultrix) 94# define _POSIX_SOURCE 95# include <limits.h> 96# include <sys/param.h> 97#endif 98#include <openssl/rc4.h> 99/* The following if from times(3) man page. It may need to be changed */ 100#ifndef HZ 101# ifndef CLK_TCK 102# define HZ 100.0 103# else /* CLK_TCK */ 104# define HZ ((double)CLK_TCK) 105# endif 106#endif 107#define BUFSIZE ((long)1024) 108long run = 0; 109 110double Time_F(int s); 111#ifdef SIGALRM 112# if defined(__STDC__) || defined(sgi) || defined(_AIX) 113# define SIGRETTYPE void 114# else 115# define SIGRETTYPE int 116# endif 117 118SIGRETTYPE sig_done(int sig); 119SIGRETTYPE sig_done(int sig) 120{ 121 signal(SIGALRM, sig_done); 122 run = 0; 123# ifdef LINT 124 sig = sig; 125# endif 126} 127#endif 128 129#define START 0 130#define STOP 1 131 132double Time_F(int s) 133{ 134 double ret; 135#ifdef TIMES 136 static struct tms tstart, tend; 137 138 if (s == START) { 139 times(&tstart); 140 return (0); 141 } else { 142 times(&tend); 143 ret = ((double)(tend.tms_utime - tstart.tms_utime)) / HZ; 144 return ((ret == 0.0) ? 1e-6 : ret); 145 } 146#else /* !times() */ 147 static struct timeb tstart, tend; 148 long i; 149 150 if (s == START) { 151 ftime(&tstart); 152 return (0); 153 } else { 154 ftime(&tend); 155 i = (long)tend.millitm - (long)tstart.millitm; 156 ret = ((double)(tend.time - tstart.time)) + ((double)i) / 1e3; 157 return ((ret == 0.0) ? 1e-6 : ret); 158 } 159#endif 160} 161 162int main(int argc, char **argv) 163{ 164 long count; 165 static unsigned char buf[BUFSIZE]; 166 static unsigned char key[] = { 167 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 168 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 169 }; 170 RC4_KEY sch; 171 double a, b, c, d; 172#ifndef SIGALRM 173 long ca, cb, cc; 174#endif 175 176#ifndef TIMES 177 printf("To get the most accurate results, try to run this\n"); 178 printf("program when this computer is idle.\n"); 179#endif 180 181#ifndef SIGALRM 182 printf("First we calculate the approximate speed ...\n"); 183 RC4_set_key(&sch, 16, key); 184 count = 10; 185 do { 186 long i; 187 unsigned long data[2]; 188 189 count *= 2; 190 Time_F(START); 191 for (i = count; i; i--) 192 RC4(&sch, 8, buf, buf); 193 d = Time_F(STOP); 194 } while (d < 3.0); 195 ca = count / 512; 196 cc = count * 8 / BUFSIZE + 1; 197 printf("Doing RC4_set_key %ld times\n", ca); 198# define COND(d) (count != (d)) 199# define COUNT(d) (d) 200#else 201# define COND(c) (run) 202# define COUNT(d) (count) 203 signal(SIGALRM, sig_done); 204 printf("Doing RC4_set_key for 10 seconds\n"); 205 alarm(10); 206#endif 207 208 Time_F(START); 209 for (count = 0, run = 1; COND(ca); count += 4) { 210 RC4_set_key(&sch, 16, key); 211 RC4_set_key(&sch, 16, key); 212 RC4_set_key(&sch, 16, key); 213 RC4_set_key(&sch, 16, key); 214 } 215 d = Time_F(STOP); 216 printf("%ld RC4_set_key's in %.2f seconds\n", count, d); 217 a = ((double)COUNT(ca)) / d; 218 219#ifdef SIGALRM 220 printf("Doing RC4 on %ld byte blocks for 10 seconds\n", BUFSIZE); 221 alarm(10); 222#else 223 printf("Doing RC4 %ld times on %ld byte blocks\n", cc, BUFSIZE); 224#endif 225 Time_F(START); 226 for (count = 0, run = 1; COND(cc); count++) 227 RC4(&sch, BUFSIZE, buf, buf); 228 d = Time_F(STOP); 229 printf("%ld RC4's of %ld byte blocks in %.2f second\n", 230 count, BUFSIZE, d); 231 c = ((double)COUNT(cc) * BUFSIZE) / d; 232 233 printf("RC4 set_key per sec = %12.2f (%9.3fuS)\n", a, 1.0e6 / a); 234 printf("RC4 bytes per sec = %12.2f (%9.3fuS)\n", c, 8.0e6 / c); 235 exit(0); 236#if defined(LINT) || defined(OPENSSL_SYS_MSDOS) 237 return (0); 238#endif 239} 240