crypto/des/speed.c

   1 /* crypto/des/speed.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(MSDOS) && (!defined(VMS) || defined(__DECC))
  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 #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(VMS) && defined(__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/des.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 #  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
 105 #   define HZ   100.0
 106 #  else /* _BSD_CLK_TCK_ */
 107 #   define HZ ((double)_BSD_CLK_TCK_)
 108 #  endif
 109 # else /* CLK_TCK */
 110 #  define HZ ((double)CLK_TCK)
 111 # endif
 112 #endif
 113
 114 #define BUFSIZE ((long)1024)
 115 long run=0;
 116
 117 double Time_F(int s);
 118 #ifdef SIGALRM
 119 #if defined(__STDC__) || defined(sgi) || defined(_AIX)
 120 #define SIGRETTYPE void
 121 #else
 122 #define SIGRETTYPE int
 123 #endif
 124
 125 SIGRETTYPE sig_done(int sig);
 126 SIGRETTYPE sig_done(int sig)
 127         {
 128         signal(SIGALRM,sig_done);
 129         run=0;
 130 #ifdef LINT
 131         sig=sig;
 132 #endif
 133         }
 134 #endif
 135
 136 #define START   0
 137 #define STOP    1
 138
 139 double Time_F(int s)
 140         {
 141         double ret;
 142 #ifdef TIMES
 143         static struct tms tstart,tend;
 144
 145         if (s == START)
 146                 {
 147                 times(&tstart);
 148                 return(0);
 149                 }
 150         else
 151                 {
 152                 times(&tend);
 153                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 154                 return((ret == 0.0)?1e-6:ret);
 155                 }
 156 #else /* !times() */
 157         static struct timeb tstart,tend;
 158         long i;
 159
 160         if (s == START)
 161                 {
 162                 ftime(&tstart);
 163                 return(0);
 164                 }
 165         else
 166                 {
 167                 ftime(&tend);
 168                 i=(long)tend.millitm-(long)tstart.millitm;
 169                 ret=((double)(tend.time-tstart.time))+((double)i)/1e3;
 170                 return((ret == 0.0)?1e-6:ret);
 171                 }
 172 #endif
 173         }
 174
 175 int main(int argc, char **argv)
 176         {
 177         long count;
 178         static unsigned char buf[BUFSIZE];
 179         static des_cblock key ={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 180         static des_cblock key2={0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};
 181         static des_cblock key3={0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};
 182         des_key_schedule sch,sch2,sch3;
 183         double a,b,c,d,e;
 184 #ifndef SIGALRM
 185         long ca,cb,cc,cd,ce;
 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         des_set_key_unchecked(&key2,sch2);
 194         des_set_key_unchecked(&key3,sch3);
 195
 196 #ifndef SIGALRM
 197         printf("First we calculate the approximate speed ...\n");
 198         des_set_key_unchecked(&key,sch);
 199         count=10;
 200         do      {
 201                 long i;
 202                 DES_LONG data[2];
 203
 204                 count*=2;
 205                 Time_F(START);
 206                 for (i=count; i; i--)
 207                         des_encrypt(data,&(sch[0]),DES_ENCRYPT);
 208                 d=Time_F(STOP);
 209                 } while (d < 3.0);
 210         ca=count;
 211         cb=count*3;
 212         cc=count*3*8/BUFSIZE+1;
 213         cd=count*8/BUFSIZE+1;
 214         ce=count/20+1;
 215         printf("Doing set_key %ld times\n",ca);
 216 #define COND(d) (count != (d))
 217 #define COUNT(d) (d)
 218 #else
 219 #define COND(c) (run)
 220 #define COUNT(d) (count)
 221         signal(SIGALRM,sig_done);
 222         printf("Doing set_key for 10 seconds\n");
 223         alarm(10);
 224 #endif
 225
 226         Time_F(START);
 227         for (count=0,run=1; COND(ca); count++)
 228                 des_set_key_unchecked(&key,sch);
 229         d=Time_F(STOP);
 230         printf("%ld set_key's in %.2f seconds\n",count,d);
 231         a=((double)COUNT(ca))/d;
 232
 233 #ifdef SIGALRM
 234         printf("Doing des_encrypt's for 10 seconds\n");
 235         alarm(10);
 236 #else
 237         printf("Doing des_encrypt %ld times\n",cb);
 238 #endif
 239         Time_F(START);
 240         for (count=0,run=1; COND(cb); count++)
 241                 {
 242                 DES_LONG data[2];
 243
 244                 des_encrypt(data,&(sch[0]),DES_ENCRYPT);
 245                 }
 246         d=Time_F(STOP);
 247         printf("%ld des_encrypt's in %.2f second\n",count,d);
 248         b=((double)COUNT(cb)*8)/d;
 249
 250 #ifdef SIGALRM
 251         printf("Doing des_cbc_encrypt on %ld byte blocks for 10 seconds\n",
 252                 BUFSIZE);
 253         alarm(10);
 254 #else
 255         printf("Doing des_cbc_encrypt %ld times on %ld byte blocks\n",cc,
 256                 BUFSIZE);
 257 #endif
 258         Time_F(START);
 259         for (count=0,run=1; COND(cc); count++)
 260                 des_ncbc_encrypt(buf,buf,BUFSIZE,&(sch[0]),
 261                         &key,DES_ENCRYPT);
 262         d=Time_F(STOP);
 263         printf("%ld des_cbc_encrypt's of %ld byte blocks in %.2f second\n",
 264                 count,BUFSIZE,d);
 265         c=((double)COUNT(cc)*BUFSIZE)/d;
 266
 267 #ifdef SIGALRM
 268         printf("Doing des_ede_cbc_encrypt on %ld byte blocks for 10 seconds\n",
 269                 BUFSIZE);
 270         alarm(10);
 271 #else
 272         printf("Doing des_ede_cbc_encrypt %ld times on %ld byte blocks\n",cd,
 273                 BUFSIZE);
 274 #endif
 275         Time_F(START);
 276         for (count=0,run=1; COND(cd); count++)
 277                 des_ede3_cbc_encrypt(buf,buf,BUFSIZE,
 278                         &(sch[0]),
 279                         &(sch2[0]),
 280                         &(sch3[0]),
 281                         &key,
 282                         DES_ENCRYPT);
 283         d=Time_F(STOP);
 284         printf("%ld des_ede_cbc_encrypt's of %ld byte blocks in %.2f second\n",
 285                 count,BUFSIZE,d);
 286         d=((double)COUNT(cd)*BUFSIZE)/d;
 287
 288 #ifdef SIGALRM
 289         printf("Doing crypt for 10 seconds\n");
 290         alarm(10);
 291 #else
 292         printf("Doing crypt %ld times\n",ce);
 293 #endif
 294         Time_F(START);
 295         for (count=0,run=1; COND(ce); count++)
 296                 crypt("testing1","ef");
 297         e=Time_F(STOP);
 298         printf("%ld crypts in %.2f second\n",count,e);
 299         e=((double)COUNT(ce))/e;
 300
 301         printf("set_key            per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);
 302         printf("DES raw ecb bytes  per sec = %12.2f (%9.3fuS)\n",b,8.0e6/b);
 303         printf("DES cbc bytes      per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);
 304         printf("DES ede cbc bytes  per sec = %12.2f (%9.3fuS)\n",d,8.0e6/d);
 305         printf("crypt              per sec = %12.2f (%9.3fuS)\n",e,1.0e6/e);
 306         exit(0);
 307 #if defined(LINT) || defined(MSDOS)
 308         return(0);
 309 #endif
 310         }