crypto/bf/bf_opts.c

   1 /* crypto/bf/bf_opts.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 /* define PART1, PART2, PART3 or PART4 to build only with a few of the options.
  60  * This is for machines with 64k code segment size restrictions. */
  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 void 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 "blowfish.h"
 102
 103 #define BF_DEFAULT_OPTIONS
 104
 105 #undef BF_ENC
 106 #define BF_encrypt  BF_encrypt_normal
 107 #undef HEADER_BF_LOCL_H
 108 #include "bf_enc.c"
 109
 110 #define BF_PTR
 111 #undef BF_PTR2
 112 #undef BF_ENC
 113 #undef BF_encrypt
 114 #define BF_encrypt  BF_encrypt_ptr
 115 #undef HEADER_BF_LOCL_H
 116 #include "bf_enc.c"
 117
 118 #undef BF_PTR
 119 #define BF_PTR2
 120 #undef BF_ENC
 121 #undef BF_encrypt
 122 #define BF_encrypt  BF_encrypt_ptr2
 123 #undef HEADER_BF_LOCL_H
 124 #include "bf_enc.c"
 125
 126 /* The following if from times(3) man page.  It may need to be changed */
 127 #ifndef HZ
 128 # ifndef CLK_TCK
 129 #  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
 130 #   ifndef VMS
 131 #    define HZ  100.0
 132 #   else /* VMS */
 133 #    define HZ  100.0
 134 #   endif
 135 #  else /* _BSD_CLK_TCK_ */
 136 #   define HZ ((double)_BSD_CLK_TCK_)
 137 #  endif
 138 # else /* CLK_TCK */
 139 #  define HZ ((double)CLK_TCK)
 140 # endif
 141 #endif
 142
 143 #define BUFSIZE ((long)1024)
 144 long run=0;
 145
 146 #ifndef NOPROTO
 147 double Time_F(int s);
 148 #else
 149 double Time_F();
 150 #endif
 151
 152 #ifdef SIGALRM
 153 #if defined(__STDC__) || defined(sgi)
 154 #define SIGRETTYPE void
 155 #else
 156 #define SIGRETTYPE int
 157 #endif
 158
 159 #ifndef NOPROTO
 160 SIGRETTYPE sig_done(int sig);
 161 #else
 162 SIGRETTYPE sig_done();
 163 #endif
 164
 165 SIGRETTYPE sig_done(int sig)
 166         {
 167         signal(SIGALRM,sig_done);
 168         run=0;
 169 #ifdef LINT
 170         sig=sig;
 171 #endif
 172         }
 173 #endif
 174
 175 #define START   0
 176 #define STOP    1
 177
 178 double Time_F(int s)
 179         {
 180         double ret;
 181 #ifdef TIMES
 182         static struct tms tstart,tend;
 183
 184         if (s == START)
 185                 {
 186                 times(&tstart);
 187                 return(0);
 188                 }
 189         else
 190                 {
 191                 times(&tend);
 192                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 193                 return((ret == 0.0)?1e-6:ret);
 194                 }
 195 #else /* !times() */
 196         static struct timeb tstart,tend;
 197         long i;
 198
 199         if (s == START)
 200                 {
 201                 ftime(&tstart);
 202                 return(0);
 203                 }
 204         else
 205                 {
 206                 ftime(&tend);
 207                 i=(long)tend.millitm-(long)tstart.millitm;
 208                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 209                 return((ret == 0.0)?1e-6:ret);
 210                 }
 211 #endif
 212         }
 213
 214 #ifdef SIGALRM
 215 #define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
 216 #else
 217 #define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
 218 #endif
 219
 220 #define time_it(func,name,index) \
 221         print_name(name); \
 222         Time_F(START); \
 223         for (count=0,run=1; COND(cb); count+=4) \
 224                 { \
 225                 unsigned long d[2]; \
 226                 func(d,&sch); \
 227                 func(d,&sch); \
 228                 func(d,&sch); \
 229                 func(d,&sch); \
 230                 } \
 231         tm[index]=Time_F(STOP); \
 232         fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
 233         tm[index]=((double)COUNT(cb))/tm[index];
 234
 235 #define print_it(name,index) \
 236         fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
 237                 tm[index]*8,1.0e6/tm[index]);
 238
 239 int main(int argc, char **argv)
 240         {
 241         long count;
 242         static unsigned char buf[BUFSIZE];
 243         static char key[16]={   0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
 244                                 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 245         BF_KEY sch;
 246         double d,tm[16],max=0;
 247         int rank[16];
 248         char *str[16];
 249         int max_idx=0,i,num=0,j;
 250 #ifndef SIGALARM
 251         long ca,cb,cc,cd,ce;
 252 #endif
 253
 254         for (i=0; i<12; i++)
 255                 {
 256                 tm[i]=0.0;
 257                 rank[i]=0;
 258                 }
 259
 260 #ifndef TIMES
 261         fprintf(stderr,"To get the most acurate results, try to run this\n");
 262         fprintf(stderr,"program when this computer is idle.\n");
 263 #endif
 264
 265         BF_set_key(&sch,16,key);
 266
 267 #ifndef SIGALRM
 268         fprintf(stderr,"First we calculate the approximate speed ...\n");
 269         count=10;
 270         do      {
 271                 long i;
 272                 unsigned long data[2];
 273
 274                 count*=2;
 275                 Time_F(START);
 276                 for (i=count; i; i--)
 277                         BF_encrypt(data,&sch);
 278                 d=Time_F(STOP);
 279                 } while (d < 3.0);
 280         ca=count;
 281         cb=count*3;
 282         cc=count*3*8/BUFSIZE+1;
 283         cd=count*8/BUFSIZE+1;
 284
 285         ce=count/20+1;
 286 #define COND(d) (count != (d))
 287 #define COUNT(d) (d)
 288 #else
 289 #define COND(c) (run)
 290 #define COUNT(d) (count)
 291         signal(SIGALRM,sig_done);
 292         alarm(10);
 293 #endif
 294
 295         time_it(BF_encrypt_normal,      "BF_encrypt_normal ", 0);
 296         time_it(BF_encrypt_ptr,         "BF_encrypt_ptr    ", 1);
 297         time_it(BF_encrypt_ptr2,        "BF_encrypt_ptr2   ", 2);
 298         num+=3;
 299
 300         str[0]="<nothing>";
 301         print_it("BF_encrypt_normal ",0);
 302         max=tm[0];
 303         max_idx=0;
 304         str[1]="ptr      ";
 305         print_it("BF_encrypt_ptr ",1);
 306         if (max < tm[1]) { max=tm[1]; max_idx=1; }
 307         str[2]="ptr2     ";
 308         print_it("BF_encrypt_ptr2 ",2);
 309         if (max < tm[2]) { max=tm[2]; max_idx=2; }
 310
 311         printf("options    BF ecb/s\n");
 312         printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
 313         d=tm[max_idx];
 314         tm[max_idx]= -2.0;
 315         max= -1.0;
 316         for (;;)
 317                 {
 318                 for (i=0; i<3; i++)
 319                         {
 320                         if (max < tm[i]) { max=tm[i]; j=i; }
 321                         }
 322                 if (max < 0.0) break;
 323                 printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
 324                 tm[j]= -2.0;
 325                 max= -1.0;
 326                 }
 327
 328         switch (max_idx)
 329                 {
 330         case 0:
 331                 printf("-DBF_DEFAULT_OPTIONS\n");
 332                 break;
 333         case 1:
 334                 printf("-DBF_PTR\n");
 335                 break;
 336         case 2:
 337                 printf("-DBF_PTR2\n");
 338                 break;
 339                 }
 340         exit(0);
 341 #if defined(LINT) || defined(MSDOS)
 342         return(0);
 343 #endif
 344         }