crypto/des/speed.c

   1 /* crypto/des/speed.c */
   2 /* Copyright (C) 1995-1997 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 #ifdef sun
  96 #include <limits.h>
  97 #include <sys/param.h>
  98 #endif
  99
 100 #include "des.h"
 101
 102 /* The following if from times(3) man page.  It may need to be changed */
 103 #ifndef HZ
 104 # ifndef CLK_TCK
 105 #  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
 106 #   ifndef VMS
 107 #    define HZ  100.0
 108 #   else /* VMS */
 109 #    define HZ  100.0
 110 #   endif
 111 #  else /* _BSD_CLK_TCK_ */
 112 #   define HZ ((double)_BSD_CLK_TCK_)
 113 #  endif
 114 # else /* CLK_TCK */
 115 #  define HZ ((double)CLK_TCK)
 116 # endif
 117 #endif
 118
 119 #define BUFSIZE ((long)1024)
 120 long run=0;
 121
 122 #ifndef NOPROTO
 123 double Time_F(int s);
 124 #else
 125 double Time_F();
 126 #endif
 127
 128 #ifdef SIGALRM
 129 #if defined(__STDC__) || defined(sgi) || defined(_AIX)
 130 #define SIGRETTYPE void
 131 #else
 132 #define SIGRETTYPE int
 133 #endif
 134
 135 #ifndef NOPROTO
 136 SIGRETTYPE sig_done(int sig);
 137 #else
 138 SIGRETTYPE sig_done();
 139 #endif
 140
 141 SIGRETTYPE sig_done(sig)
 142 int sig;
 143         {
 144         signal(SIGALRM,sig_done);
 145         run=0;
 146 #ifdef LINT
 147         sig=sig;
 148 #endif
 149         }
 150 #endif
 151
 152 #define START   0
 153 #define STOP    1
 154
 155 double Time_F(s)
 156 int s;
 157         {
 158         double ret;
 159 #ifdef TIMES
 160         static struct tms tstart,tend;
 161
 162         if (s == START)
 163                 {
 164                 times(&tstart);
 165                 return(0);
 166                 }
 167         else
 168                 {
 169                 times(&tend);
 170                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 171                 return((ret == 0.0)?1e-6:ret);
 172                 }
 173 #else /* !times() */
 174         static struct timeb tstart,tend;
 175         long i;
 176
 177         if (s == START)
 178                 {
 179                 ftime(&tstart);
 180                 return(0);
 181                 }
 182         else
 183                 {
 184                 ftime(&tend);
 185                 i=(long)tend.millitm-(long)tstart.millitm;
 186                 ret=((double)(tend.time-tstart.time))+((double)i)/1e3;
 187                 return((ret == 0.0)?1e-6:ret);
 188                 }
 189 #endif
 190         }
 191
 192 int main(argc,argv)
 193 int argc;
 194 char **argv;
 195         {
 196         long count;
 197         static unsigned char buf[BUFSIZE];
 198         static des_cblock key ={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 199         static des_cblock key2={0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};
 200         static des_cblock key3={0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};
 201         des_key_schedule sch,sch2,sch3;
 202         double a,b,c,d,e;
 203 #ifndef SIGALRM
 204         long ca,cb,cc,cd,ce;
 205 #endif
 206
 207 #ifndef TIMES
 208         printf("To get the most acurate results, try to run this\n");
 209         printf("program when this computer is idle.\n");
 210 #endif
 211
 212         des_set_key((C_Block *)key2,sch2);
 213         des_set_key((C_Block *)key3,sch3);
 214
 215 #ifndef SIGALRM
 216         printf("First we calculate the approximate speed ...\n");
 217         des_set_key((C_Block *)key,sch);
 218         count=10;
 219         do      {
 220                 long i;
 221                 DES_LONG data[2];
 222
 223                 count*=2;
 224                 Time_F(START);
 225                 for (i=count; i; i--)
 226                         des_encrypt(data,&(sch[0]),DES_ENCRYPT);
 227                 d=Time_F(STOP);
 228                 } while (d < 3.0);
 229         ca=count;
 230         cb=count*3;
 231         cc=count*3*8/BUFSIZE+1;
 232         cd=count*8/BUFSIZE+1;
 233         ce=count/20+1;
 234         printf("Doing set_key %ld times\n",ca);
 235 #define COND(d) (count != (d))
 236 #define COUNT(d) (d)
 237 #else
 238 #define COND(c) (run)
 239 #define COUNT(d) (count)
 240         signal(SIGALRM,sig_done);
 241         printf("Doing set_key for 10 seconds\n");
 242         alarm(10);
 243 #endif
 244
 245         Time_F(START);
 246         for (count=0,run=1; COND(ca); count++)
 247                 des_set_key((C_Block *)key,sch);
 248         d=Time_F(STOP);
 249         printf("%ld set_key's in %.2f seconds\n",count,d);
 250         a=((double)COUNT(ca))/d;
 251
 252 #ifdef SIGALRM
 253         printf("Doing des_encrypt's for 10 seconds\n");
 254         alarm(10);
 255 #else
 256         printf("Doing des_encrypt %ld times\n",cb);
 257 #endif
 258         Time_F(START);
 259         for (count=0,run=1; COND(cb); count++)
 260                 {
 261                 DES_LONG data[2];
 262
 263                 des_encrypt(data,&(sch[0]),DES_ENCRYPT);
 264                 }
 265         d=Time_F(STOP);
 266         printf("%ld des_encrypt's in %.2f second\n",count,d);
 267         b=((double)COUNT(cb)*8)/d;
 268
 269 #ifdef SIGALRM
 270         printf("Doing des_cbc_encrypt on %ld byte blocks for 10 seconds\n",
 271                 BUFSIZE);
 272         alarm(10);
 273 #else
 274         printf("Doing des_cbc_encrypt %ld times on %ld byte blocks\n",cc,
 275                 BUFSIZE);
 276 #endif
 277         Time_F(START);
 278         for (count=0,run=1; COND(cc); count++)
 279                 des_ncbc_encrypt((C_Block *)buf,(C_Block *)buf,BUFSIZE,&(sch[0]),
 280                         (C_Block *)&(key[0]),DES_ENCRYPT);
 281         d=Time_F(STOP);
 282         printf("%ld des_cbc_encrypt's of %ld byte blocks in %.2f second\n",
 283                 count,BUFSIZE,d);
 284         c=((double)COUNT(cc)*BUFSIZE)/d;
 285
 286 #ifdef SIGALRM
 287         printf("Doing des_ede_cbc_encrypt on %ld byte blocks for 10 seconds\n",
 288                 BUFSIZE);
 289         alarm(10);
 290 #else
 291         printf("Doing des_ede_cbc_encrypt %ld times on %ld byte blocks\n",cd,
 292                 BUFSIZE);
 293 #endif
 294         Time_F(START);
 295         for (count=0,run=1; COND(cd); count++)
 296                 des_ede3_cbc_encrypt((C_Block *)buf,(C_Block *)buf,BUFSIZE,
 297                         &(sch[0]),
 298                         &(sch2[0]),
 299                         &(sch3[0]),
 300                         (C_Block *)&(key[0]),
 301                         DES_ENCRYPT);
 302         d=Time_F(STOP);
 303         printf("%ld des_ede_cbc_encrypt's of %ld byte blocks in %.2f second\n",
 304                 count,BUFSIZE,d);
 305         d=((double)COUNT(cd)*BUFSIZE)/d;
 306
 307 #ifdef SIGALRM
 308         printf("Doing crypt for 10 seconds\n");
 309         alarm(10);
 310 #else
 311         printf("Doing crypt %ld times\n",ce);
 312 #endif
 313         Time_F(START);
 314         for (count=0,run=1; COND(ce); count++)
 315                 crypt("testing1","ef");
 316         e=Time_F(STOP);
 317         printf("%ld crypts in %.2f second\n",count,e);
 318         e=((double)COUNT(ce))/e;
 319
 320         printf("set_key            per sec = %12.2f (%5.1fuS)\n",a,1.0e6/a);
 321         printf("DES raw ecb bytes  per sec = %12.2f (%5.1fuS)\n",b,8.0e6/b);
 322         printf("DES cbc bytes      per sec = %12.2f (%5.1fuS)\n",c,8.0e6/c);
 323         printf("DES ede cbc bytes  per sec = %12.2f (%5.1fuS)\n",d,8.0e6/d);
 324         printf("crypt              per sec = %12.2f (%5.1fuS)\n",e,1.0e6/e);
 325         exit(0);
 326 #if defined(LINT) || defined(MSDOS)
 327         return(0);
 328 #endif
 329         }