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 72#include <signal.h> 73#ifndef _IRIX 74#include <time.h> 75#endif 76#ifdef TIMES 77#include <sys/types.h> 78#include <sys/times.h> 79#endif 80 81/* Depending on the VMS version, the tms structure is perhaps defined. 82 The __TMS macro will show if it was. If it wasn't defined, we should 83 undefine TIMES, since that tells the rest of the program how things 84 should be handled. -- Richard Levitte */ 85#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) 86#undef TIMES 87#endif 88 89#ifndef TIMES 90#include <sys/timeb.h> 91#endif 92 93#if defined(sun) || defined(__ultrix) 94#define _POSIX_SOURCE 95#include <limits.h> 96#include <sys/param.h> 97#endif 98 99#include <openssl/rc4.h> 100 101/* The following if from times(3) man page. It may need to be changed */ 102#ifndef HZ 103#ifndef CLK_TCK 104#define HZ 100.0 105#else /* CLK_TCK */ 106#define HZ ((double)CLK_TCK) 107#endif 108#endif 109 110#define BUFSIZE ((long)1024) 111long run=0; 112 113double Time_F(int s); 114#ifdef SIGALRM 115#if defined(__STDC__) || defined(sgi) || defined(_AIX) 116#define SIGRETTYPE void 117#else 118#define SIGRETTYPE int 119#endif 120 121SIGRETTYPE sig_done(int sig); 122SIGRETTYPE sig_done(int sig) 123 { 124 signal(SIGALRM,sig_done); 125 run=0; 126#ifdef LINT 127 sig=sig; 128#endif 129 } 130#endif 131 132#define START 0 133#define STOP 1 134 135double Time_F(int s) 136 { 137 double ret; 138#ifdef TIMES 139 static struct tms tstart,tend; 140 141 if (s == START) 142 { 143 times(&tstart); 144 return(0); 145 } 146 else 147 { 148 times(&tend); 149 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ; 150 return((ret == 0.0)?1e-6:ret); 151 } 152#else /* !times() */ 153 static struct timeb tstart,tend; 154 long i; 155 156 if (s == START) 157 { 158 ftime(&tstart); 159 return(0); 160 } 161 else 162 { 163 ftime(&tend); 164 i=(long)tend.millitm-(long)tstart.millitm; 165 ret=((double)(tend.time-tstart.time))+((double)i)/1e3; 166 return((ret == 0.0)?1e-6:ret); 167 } 168#endif 169 } 170 171int main(int argc, char **argv) 172 { 173 long count; 174 static unsigned char buf[BUFSIZE]; 175 static unsigned char key[] ={ 176 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0, 177 0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10, 178 }; 179 RC4_KEY sch; 180 double a,b,c,d; 181#ifndef SIGALRM 182 long ca,cb,cc; 183#endif 184 185#ifndef TIMES 186 printf("To get the most accurate results, try to run this\n"); 187 printf("program when this computer is idle.\n"); 188#endif 189 190#ifndef SIGALRM 191 printf("First we calculate the approximate speed ...\n"); 192 RC4_set_key(&sch,16,key); 193 count=10; 194 do { 195 long i; 196 unsigned long data[2]; 197 198 count*=2; 199 Time_F(START); 200 for (i=count; i; i--) 201 RC4(&sch,8,buf,buf); 202 d=Time_F(STOP); 203 } while (d < 3.0); 204 ca=count/512; 205 cc=count*8/BUFSIZE+1; 206 printf("Doing RC4_set_key %ld times\n",ca); 207#define COND(d) (count != (d)) 208#define COUNT(d) (d) 209#else 210#define COND(c) (run) 211#define COUNT(d) (count) 212 signal(SIGALRM,sig_done); 213 printf("Doing RC4_set_key for 10 seconds\n"); 214 alarm(10); 215#endif 216 217 Time_F(START); 218 for (count=0,run=1; COND(ca); count+=4) 219 { 220 RC4_set_key(&sch,16,key); 221 RC4_set_key(&sch,16,key); 222 RC4_set_key(&sch,16,key); 223 RC4_set_key(&sch,16,key); 224 } 225 d=Time_F(STOP); 226 printf("%ld RC4_set_key's in %.2f seconds\n",count,d); 227 a=((double)COUNT(ca))/d; 228 229#ifdef SIGALRM 230 printf("Doing RC4 on %ld byte blocks for 10 seconds\n",BUFSIZE); 231 alarm(10); 232#else 233 printf("Doing RC4 %ld times on %ld byte blocks\n",cc,BUFSIZE); 234#endif 235 Time_F(START); 236 for (count=0,run=1; COND(cc); count++) 237 RC4(&sch,BUFSIZE,buf,buf); 238 d=Time_F(STOP); 239 printf("%ld RC4's of %ld byte blocks in %.2f second\n", 240 count,BUFSIZE,d); 241 c=((double)COUNT(cc)*BUFSIZE)/d; 242 243 printf("RC4 set_key per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a); 244 printf("RC4 bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c); 245 exit(0); 246#if defined(LINT) || defined(OPENSSL_SYS_MSDOS) 247 return(0); 248#endif 249 } 250 251