crypto/rc2/rc2speed.c

   1 /* crypto/rc2/rc2speed.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 #ifndef MSDOS
  63 #define TIMES
  64 #endif
  65
  66 #include <stdio.h>
  67 #ifndef MSDOS
  68 #include <unistd.h>
  69 #else
  70 #include <io.h>
  71 extern int exit();
  72 #endif
  73 #include <signal.h>
  74 #ifndef VMS
  75 #ifndef _IRIX
  76 #include <time.h>
  77 #endif
  78 #ifdef TIMES
  79 #include <sys/types.h>
  80 #include <sys/times.h>
  81 #endif
  82 #else /* VMS */
  83 #include <types.h>
  84 struct tms {
  85         time_t tms_utime;
  86         time_t tms_stime;
  87         time_t tms_uchild;      /* I dunno...  */
  88         time_t tms_uchildsys;   /* so these names are a guess :-) */
  89         }
  90 #endif
  91 #ifndef TIMES
  92 #include <sys/timeb.h>
  93 #endif
  94
  95 #if defined(sun) || defined(__ultrix)
  96 #define _POSIX_SOURCE
  97 #include <limits.h>
  98 #include <sys/param.h>
  99 #endif
 100
 101 #include "rc2.h"
 102
 103 /* The following if from times(3) man page.  It may need to be changed */
 104 #ifndef HZ
 105 #ifndef CLK_TCK
 106 #ifndef VMS
 107 #define HZ      100.0
 108 #else /* VMS */
 109 #define HZ      100.0
 110 #endif
 111 #else /* CLK_TCK */
 112 #define HZ ((double)CLK_TCK)
 113 #endif
 114 #endif
 115
 116 #define BUFSIZE ((long)1024)
 117 long run=0;
 118
 119 #ifndef NOPROTO
 120 double Time_F(int s);
 121 #else
 122 double Time_F();
 123 #endif
 124
 125 #ifdef SIGALRM
 126 #if defined(__STDC__) || defined(sgi) || defined(_AIX)
 127 #define SIGRETTYPE void
 128 #else
 129 #define SIGRETTYPE int
 130 #endif
 131
 132 #ifndef NOPROTO
 133 SIGRETTYPE sig_done(int sig);
 134 #else
 135 SIGRETTYPE sig_done();
 136 #endif
 137
 138 SIGRETTYPE sig_done(sig)
 139 int sig;
 140         {
 141         signal(SIGALRM,sig_done);
 142         run=0;
 143 #ifdef LINT
 144         sig=sig;
 145 #endif
 146         }
 147 #endif
 148
 149 #define START   0
 150 #define STOP    1
 151
 152 double Time_F(s)
 153 int s;
 154         {
 155         double ret;
 156 #ifdef TIMES
 157         static struct tms tstart,tend;
 158
 159         if (s == START)
 160                 {
 161                 times(&tstart);
 162                 return(0);
 163                 }
 164         else
 165                 {
 166                 times(&tend);
 167                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 168                 return((ret == 0.0)?1e-6:ret);
 169                 }
 170 #else /* !times() */
 171         static struct timeb tstart,tend;
 172         long i;
 173
 174         if (s == START)
 175                 {
 176                 ftime(&tstart);
 177                 return(0);
 178                 }
 179         else
 180                 {
 181                 ftime(&tend);
 182                 i=(long)tend.millitm-(long)tstart.millitm;
 183                 ret=((double)(tend.time-tstart.time))+((double)i)/1e3;
 184                 return((ret == 0.0)?1e-6:ret);
 185                 }
 186 #endif
 187         }
 188
 189 int main(argc,argv)
 190 int argc;
 191 char **argv;
 192         {
 193         long count;
 194         static unsigned char buf[BUFSIZE];
 195         static unsigned char key[] ={
 196                         0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
 197                         0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
 198                         };
 199         RC2_KEY sch;
 200         double a,b,c,d;
 201 #ifndef SIGALRM
 202         long ca,cb,cc;
 203 #endif
 204
 205 #ifndef TIMES
 206         printf("To get the most acurate results, try to run this\n");
 207         printf("program when this computer is idle.\n");
 208 #endif
 209
 210 #ifndef SIGALRM
 211         printf("First we calculate the approximate speed ...\n");
 212         RC2_set_key(&sch,16,key,128);
 213         count=10;
 214         do      {
 215                 long i;
 216                 unsigned long data[2];
 217
 218                 count*=2;
 219                 Time_F(START);
 220                 for (i=count; i; i--)
 221                         RC2_encrypt(data,&sch);
 222                 d=Time_F(STOP);
 223                 } while (d < 3.0);
 224         ca=count/512;
 225         cb=count;
 226         cc=count*8/BUFSIZE+1;
 227         printf("Doing RC2_set_key %ld times\n",ca);
 228 #define COND(d) (count != (d))
 229 #define COUNT(d) (d)
 230 #else
 231 #define COND(c) (run)
 232 #define COUNT(d) (count)
 233         signal(SIGALRM,sig_done);
 234         printf("Doing RC2_set_key for 10 seconds\n");
 235         alarm(10);
 236 #endif
 237
 238         Time_F(START);
 239         for (count=0,run=1; COND(ca); count+=4)
 240                 {
 241                 RC2_set_key(&sch,16,key,128);
 242                 RC2_set_key(&sch,16,key,128);
 243                 RC2_set_key(&sch,16,key,128);
 244                 RC2_set_key(&sch,16,key,128);
 245                 }
 246         d=Time_F(STOP);
 247         printf("%ld RC2_set_key's in %.2f seconds\n",count,d);
 248         a=((double)COUNT(ca))/d;
 249
 250 #ifdef SIGALRM
 251         printf("Doing RC2_encrypt's for 10 seconds\n");
 252         alarm(10);
 253 #else
 254         printf("Doing RC2_encrypt %ld times\n",cb);
 255 #endif
 256         Time_F(START);
 257         for (count=0,run=1; COND(cb); count+=4)
 258                 {
 259                 unsigned long data[2];
 260
 261                 RC2_encrypt(data,&sch);
 262                 RC2_encrypt(data,&sch);
 263                 RC2_encrypt(data,&sch);
 264                 RC2_encrypt(data,&sch);
 265                 }
 266         d=Time_F(STOP);
 267         printf("%ld RC2_encrypt's in %.2f second\n",count,d);
 268         b=((double)COUNT(cb)*8)/d;
 269
 270 #ifdef SIGALRM
 271         printf("Doing RC2_cbc_encrypt on %ld byte blocks for 10 seconds\n",
 272                 BUFSIZE);
 273         alarm(10);
 274 #else
 275         printf("Doing RC2_cbc_encrypt %ld times on %ld byte blocks\n",cc,
 276                 BUFSIZE);
 277 #endif
 278         Time_F(START);
 279         for (count=0,run=1; COND(cc); count++)
 280                 RC2_cbc_encrypt(buf,buf,BUFSIZE,&sch,
 281                         &(key[0]),RC2_ENCRYPT);
 282         d=Time_F(STOP);
 283         printf("%ld RC2_cbc_encrypt's of %ld byte blocks in %.2f second\n",
 284                 count,BUFSIZE,d);
 285         c=((double)COUNT(cc)*BUFSIZE)/d;
 286
 287         printf("RC2 set_key       per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);
 288         printf("RC2 raw ecb bytes per sec = %12.2f (%9.3fuS)\n",b,8.0e6/b);
 289         printf("RC2 cbc     bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);
 290         exit(0);
 291 #if defined(LINT) || defined(MSDOS)
 292         return(0);
 293 #endif
 294         }