1 /* crypto/rc4/rc4speed.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 70 OPENSSL_DECLARE_EXIT 71 72 #ifndef OPENSSL_SYS_NETWARE 73 #include <signal.h> 74 #endif 75 76 #ifndef _IRIX 77 #include <time.h> 78 #endif 79 #ifdef TIMES 80 #include <sys/types.h> 81 #include <sys/times.h> 82 #endif 83 84 /* Depending on the VMS version, the tms structure is perhaps defined. 85 The __TMS macro will show if it was. If it wasn't defined, we should 86 undefine TIMES, since that tells the rest of the program how things 87 should be handled. -- Richard Levitte */ 88 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) 89 #undef TIMES 90 #endif 91 92 #ifndef TIMES 93 #include <sys/timeb.h> 94 #endif 95 96 #if defined(sun) || defined(__ultrix) 97 #define _POSIX_SOURCE 98 #include <limits.h> 99 #include <sys/param.h> 100 #endif 101 102 #include <openssl/rc4.h> 103 104 /* The following if from times(3) man page. It may need to be changed */ 105 #ifndef HZ 106 #ifndef CLK_TCK 107 #define HZ 100.0 108 #else /* CLK_TCK */ 109 #define HZ ((double)CLK_TCK) 110 #endif 111 #endif 112 113 #define BUFSIZE ((long)1024) 114 long run=0; 115 116 double Time_F(int s); 117 #ifdef SIGALRM 118 #if defined(__STDC__) || defined(sgi) || defined(_AIX) 119 #define SIGRETTYPE void 120 #else 121 #define SIGRETTYPE int 122 #endif 123 124 SIGRETTYPE sig_done(int sig); 125 SIGRETTYPE sig_done(int sig) 126 { 127 signal(SIGALRM,sig_done); 128 run=0; 129 #ifdef LINT 130 sig=sig; 131 #endif 132 } 133 #endif 134 135 #define START 0 136 #define STOP 1 137 138 double Time_F(int s) 139 { 140 double ret; 141 #ifdef TIMES 142 static struct tms tstart,tend; 143 144 if (s == START) 145 { 146 times(&tstart); 147 return(0); 148 } 149 else 150 { 151 times(&tend); 152 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ; 153 return((ret == 0.0)?1e-6:ret); 154 } 155 #else /* !times() */ 156 static struct timeb tstart,tend; 157 long i; 158 159 if (s == START) 160 { 161 ftime(&tstart); 162 return(0); 163 } 164 else 165 { 166 ftime(&tend); 167 i=(long)tend.millitm-(long)tstart.millitm; 168 ret=((double)(tend.time-tstart.time))+((double)i)/1e3; 169 return((ret == 0.0)?1e-6:ret); 170 } 171 #endif 172 } 173 174 int main(int argc, char **argv) 175 { 176 long count; 177 static unsigned char buf[BUFSIZE]; 178 static unsigned char key[] ={ 179 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0, 180 0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10, 181 }; 182 RC4_KEY sch; 183 double a,b,c,d; 184 #ifndef SIGALRM 185 long ca,cb,cc; 186 #endif 187 188 #ifndef TIMES 189 printf("To get the most accurate results, try to run this\n"); 190 printf("program when this computer is idle.\n"); 191 #endif 192 193 #ifndef SIGALRM 194 printf("First we calculate the approximate speed ...\n"); 195 RC4_set_key(&sch,16,key); 196 count=10; 197 do { 198 long i; 199 unsigned long data[2]; 200 201 count*=2; 202 Time_F(START); 203 for (i=count; i; i--) 204 RC4(&sch,8,buf,buf); 205 d=Time_F(STOP); 206 } while (d < 3.0); 207 ca=count/512; 208 cc=count*8/BUFSIZE+1; 209 printf("Doing RC4_set_key %ld times\n",ca); 210 #define COND(d) (count != (d)) 211 #define COUNT(d) (d) 212 #else 213 #define COND(c) (run) 214 #define COUNT(d) (count) 215 signal(SIGALRM,sig_done); 216 printf("Doing RC4_set_key for 10 seconds\n"); 217 alarm(10); 218 #endif 219 220 Time_F(START); 221 for (count=0,run=1; COND(ca); count+=4) 222 { 223 RC4_set_key(&sch,16,key); 224 RC4_set_key(&sch,16,key); 225 RC4_set_key(&sch,16,key); 226 RC4_set_key(&sch,16,key); 227 } 228 d=Time_F(STOP); 229 printf("%ld RC4_set_key's in %.2f seconds\n",count,d); 230 a=((double)COUNT(ca))/d; 231 232 #ifdef SIGALRM 233 printf("Doing RC4 on %ld byte blocks for 10 seconds\n",BUFSIZE); 234 alarm(10); 235 #else 236 printf("Doing RC4 %ld times on %ld byte blocks\n",cc,BUFSIZE); 237 #endif 238 Time_F(START); 239 for (count=0,run=1; COND(cc); count++) 240 RC4(&sch,BUFSIZE,buf,buf); 241 d=Time_F(STOP); 242 printf("%ld RC4's of %ld byte blocks in %.2f second\n", 243 count,BUFSIZE,d); 244 c=((double)COUNT(cc)*BUFSIZE)/d; 245 246 printf("RC4 set_key per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a); 247 printf("RC4 bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c); 248 exit(0); 249 #if defined(LINT) || defined(OPENSSL_SYS_MSDOS) 250 return(0); 251 #endif 252 } 253 254
