crypto/bf/bfspeed.c

   1 /* crypto/bf/bfspeed.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 "blowfish.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 VMS
 106 #define HZ      100.0
 107 #else /* VMS */
 108 #define HZ      100.0
 109 #endif
 110 #else /* CLK_TCK */
 111 #define HZ ((double)CLK_TCK)
 112 #endif
 113 #endif
 114
 115 #define BUFSIZE ((long)1024)
 116 long run=0;
 117
 118 #ifndef NOPROTO
 119 double Time_F(int s);
 120 #else
 121 double Time_F();
 122 #endif
 123
 124 #ifdef SIGALRM
 125 #if defined(__STDC__) || defined(sgi) || defined(_AIX)
 126 #define SIGRETTYPE void
 127 #else
 128 #define SIGRETTYPE int
 129 #endif
 130
 131 #ifndef NOPROTO
 132 SIGRETTYPE sig_done(int sig);
 133 #else
 134 SIGRETTYPE sig_done();
 135 #endif
 136
 137 SIGRETTYPE sig_done(sig)
 138 int sig;
 139         {
 140         signal(SIGALRM,sig_done);
 141         run=0;
 142 #ifdef LINT
 143         sig=sig;
 144 #endif
 145         }
 146 #endif
 147
 148 #define START   0
 149 #define STOP    1
 150
 151 double Time_F(s)
 152 int s;
 153         {
 154         double ret;
 155 #ifdef TIMES
 156         static struct tms tstart,tend;
 157
 158         if (s == START)
 159                 {
 160                 times(&tstart);
 161                 return(0);
 162                 }
 163         else
 164                 {
 165                 times(&tend);
 166                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 167                 return((ret == 0.0)?1e-6:ret);
 168                 }
 169 #else /* !times() */
 170         static struct timeb tstart,tend;
 171         long i;
 172
 173         if (s == START)
 174                 {
 175                 ftime(&tstart);
 176                 return(0);
 177                 }
 178         else
 179                 {
 180                 ftime(&tend);
 181                 i=(long)tend.millitm-(long)tstart.millitm;
 182                 ret=((double)(tend.time-tstart.time))+((double)i)/1e3;
 183                 return((ret == 0.0)?1e-6:ret);
 184                 }
 185 #endif
 186         }
 187
 188 int main(argc,argv)
 189 int argc;
 190 char **argv;
 191         {
 192         long count;
 193         static unsigned char buf[BUFSIZE];
 194         static unsigned char key[] ={
 195                         0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
 196                         0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
 197                         };
 198         BF_KEY sch;
 199         double a,b,c,d;
 200 #ifndef SIGALRM
 201         long ca,cb,cc;
 202 #endif
 203
 204 #ifndef TIMES
 205         printf("To get the most acurate results, try to run this\n");
 206         printf("program when this computer is idle.\n");
 207 #endif
 208
 209 #ifndef SIGALRM
 210         printf("First we calculate the approximate speed ...\n");
 211         BF_set_key(&sch,16,key);
 212         count=10;
 213         do      {
 214                 long i;
 215                 BF_LONG data[2];
 216
 217                 count*=2;
 218                 Time_F(START);
 219                 for (i=count; i; i--)
 220                         BF_encrypt(data,&sch,BF_ENCRYPT);
 221                 d=Time_F(STOP);
 222                 } while (d < 3.0);
 223         ca=count/512;
 224         cb=count;
 225         cc=count*8/BUFSIZE+1;
 226         printf("Doing BF_set_key %ld times\n",ca);
 227 #define COND(d) (count != (d))
 228 #define COUNT(d) (d)
 229 #else
 230 #define COND(c) (run)
 231 #define COUNT(d) (count)
 232         signal(SIGALRM,sig_done);
 233         printf("Doing BF_set_key for 10 seconds\n");
 234         alarm(10);
 235 #endif
 236
 237         Time_F(START);
 238         for (count=0,run=1; COND(ca); count++)
 239                 BF_set_key(&sch,16,key);
 240         d=Time_F(STOP);
 241         printf("%ld blowfish set_key's in %.2f seconds\n",count,d);
 242         a=((double)COUNT(ca))/d;
 243
 244 #ifdef SIGALRM
 245         printf("Doing BF_encrypt's for 10 seconds\n");
 246         alarm(10);
 247 #else
 248         printf("Doing BF_encrypt %ld times\n",cb);
 249 #endif
 250         Time_F(START);
 251         for (count=0,run=1; COND(cb); count++)
 252                 {
 253                 BF_LONG data[2];
 254
 255                 BF_encrypt(data,&sch,BF_ENCRYPT);
 256                 }
 257         d=Time_F(STOP);
 258         printf("%ld BF_encrypt's in %.2f second\n",count,d);
 259         b=((double)COUNT(cb)*8)/d;
 260
 261 #ifdef SIGALRM
 262         printf("Doing BF_cbc_encrypt on %ld byte blocks for 10 seconds\n",
 263                 BUFSIZE);
 264         alarm(10);
 265 #else
 266         printf("Doing BF_cbc_encrypt %ld times on %ld byte blocks\n",cc,
 267                 BUFSIZE);
 268 #endif
 269         Time_F(START);
 270         for (count=0,run=1; COND(cc); count++)
 271                 BF_cbc_encrypt(buf,buf,BUFSIZE,&sch,
 272                         &(key[0]),BF_ENCRYPT);
 273         d=Time_F(STOP);
 274         printf("%ld BF_cbc_encrypt's of %ld byte blocks in %.2f second\n",
 275                 count,BUFSIZE,d);
 276         c=((double)COUNT(cc)*BUFSIZE)/d;
 277
 278         printf("blowfish set_key       per sec = %12.2f (%7.1fuS)\n",a,1.0e6/a);
 279         printf("Blowfish raw ecb bytes per sec = %12.2f (%7.1fuS)\n",b,8.0e6/b);
 280         printf("Blowfish cbc     bytes per sec = %12.2f (%7.1fuS)\n",c,8.0e6/c);
 281         exit(0);
 282 #if defined(LINT) || defined(MSDOS)
 283         return(0);
 284 #endif
 285         }