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 #ifdef sun
  96 #include <limits.h>
  97 #include <sys/param.h>
  98 #endif
  99
 100 #include "blowfish.h"
 101
 102 #define BF_DEFAULT_OPTIONS
 103
 104 #undef BF_ENC
 105 #define BF_encrypt  BF_encrypt_normal
 106 #undef HEADER_BF_LOCL_H
 107 #include "bf_enc.c"
 108
 109 #define BF_PTR
 110 #undef BF_PTR2
 111 #undef BF_ENC
 112 #undef BF_encrypt
 113 #define BF_encrypt  BF_encrypt_ptr
 114 #undef HEADER_BF_LOCL_H
 115 #include "bf_enc.c"
 116
 117 #undef BF_PTR
 118 #define BF_PTR2
 119 #undef BF_ENC
 120 #undef BF_encrypt
 121 #define BF_encrypt  BF_encrypt_ptr2
 122 #undef HEADER_BF_LOCL_H
 123 #include "bf_enc.c"
 124
 125 /* The following if from times(3) man page.  It may need to be changed */
 126 #ifndef HZ
 127 # ifndef CLK_TCK
 128 #  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
 129 #   ifndef VMS
 130 #    define HZ  100.0
 131 #   else /* VMS */
 132 #    define HZ  100.0
 133 #   endif
 134 #  else /* _BSD_CLK_TCK_ */
 135 #   define HZ ((double)_BSD_CLK_TCK_)
 136 #  endif
 137 # else /* CLK_TCK */
 138 #  define HZ ((double)CLK_TCK)
 139 # endif
 140 #endif
 141
 142 #define BUFSIZE ((long)1024)
 143 long run=0;
 144
 145 #ifndef NOPROTO
 146 double Time_F(int s);
 147 #else
 148 double Time_F();
 149 #endif
 150
 151 #ifdef SIGALRM
 152 #if defined(__STDC__) || defined(sgi)
 153 #define SIGRETTYPE void
 154 #else
 155 #define SIGRETTYPE int
 156 #endif
 157
 158 #ifndef NOPROTO
 159 SIGRETTYPE sig_done(int sig);
 160 #else
 161 SIGRETTYPE sig_done();
 162 #endif
 163
 164 SIGRETTYPE sig_done(sig)
 165 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(s)
 179 int s;
 180         {
 181         double ret;
 182 #ifdef TIMES
 183         static struct tms tstart,tend;
 184
 185         if (s == START)
 186                 {
 187                 times(&tstart);
 188                 return(0);
 189                 }
 190         else
 191                 {
 192                 times(&tend);
 193                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 194                 return((ret == 0.0)?1e-6:ret);
 195                 }
 196 #else /* !times() */
 197         static struct timeb tstart,tend;
 198         long i;
 199
 200         if (s == START)
 201                 {
 202                 ftime(&tstart);
 203                 return(0);
 204                 }
 205         else
 206                 {
 207                 ftime(&tend);
 208                 i=(long)tend.millitm-(long)tstart.millitm;
 209                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 210                 return((ret == 0.0)?1e-6:ret);
 211                 }
 212 #endif
 213         }
 214
 215 #ifdef SIGALRM
 216 #define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
 217 #else
 218 #define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
 219 #endif
 220
 221 #define time_it(func,name,index) \
 222         print_name(name); \
 223         Time_F(START); \
 224         for (count=0,run=1; COND(cb); count+=4) \
 225                 { \
 226                 unsigned long d[2]; \
 227                 func(d,&sch); \
 228                 func(d,&sch); \
 229                 func(d,&sch); \
 230                 func(d,&sch); \
 231                 } \
 232         tm[index]=Time_F(STOP); \
 233         fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
 234         tm[index]=((double)COUNT(cb))/tm[index];
 235
 236 #define print_it(name,index) \
 237         fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
 238                 tm[index]*8,1.0e6/tm[index]);
 239
 240 int main(argc,argv)
 241 int argc;
 242 char **argv;
 243         {
 244         long count;
 245         static unsigned char buf[BUFSIZE];
 246         static char key[16]={   0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
 247                                 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 248         BF_KEY sch;
 249         double d,tm[16],max=0;
 250         int rank[16];
 251         char *str[16];
 252         int max_idx=0,i,num=0,j;
 253 #ifndef SIGALARM
 254         long ca,cb,cc,cd,ce;
 255 #endif
 256
 257         for (i=0; i<12; i++)
 258                 {
 259                 tm[i]=0.0;
 260                 rank[i]=0;
 261                 }
 262
 263 #ifndef TIMES
 264         fprintf(stderr,"To get the most acurate results, try to run this\n");
 265         fprintf(stderr,"program when this computer is idle.\n");
 266 #endif
 267
 268         BF_set_key(&sch,16,key);
 269
 270 #ifndef SIGALRM
 271         fprintf(stderr,"First we calculate the approximate speed ...\n");
 272         count=10;
 273         do      {
 274                 long i;
 275                 unsigned long data[2];
 276
 277                 count*=2;
 278                 Time_F(START);
 279                 for (i=count; i; i--)
 280                         BF_encrypt(data,&sch);
 281                 d=Time_F(STOP);
 282                 } while (d < 3.0);
 283         ca=count;
 284         cb=count*3;
 285         cc=count*3*8/BUFSIZE+1;
 286         cd=count*8/BUFSIZE+1;
 287
 288         ce=count/20+1;
 289 #define COND(d) (count != (d))
 290 #define COUNT(d) (d)
 291 #else
 292 #define COND(c) (run)
 293 #define COUNT(d) (count)
 294         signal(SIGALRM,sig_done);
 295         alarm(10);
 296 #endif
 297
 298         time_it(BF_encrypt_normal,      "BF_encrypt_normal ", 0);
 299         time_it(BF_encrypt_ptr,         "BF_encrypt_ptr    ", 1);
 300         time_it(BF_encrypt_ptr2,        "BF_encrypt_ptr2   ", 2);
 301         num+=3;
 302
 303         str[0]="<nothing>";
 304         print_it("BF_encrypt_normal ",0);
 305         max=tm[0];
 306         max_idx=0;
 307         str[1]="ptr      ";
 308         print_it("BF_encrypt_ptr ",1);
 309         if (max < tm[1]) { max=tm[1]; max_idx=1; }
 310         str[2]="ptr2     ";
 311         print_it("BF_encrypt_ptr2 ",2);
 312         if (max < tm[2]) { max=tm[2]; max_idx=2; }
 313
 314         printf("options    BF ecb/s\n");
 315         printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
 316         d=tm[max_idx];
 317         tm[max_idx]= -2.0;
 318         max= -1.0;
 319         for (;;)
 320                 {
 321                 for (i=0; i<3; i++)
 322                         {
 323                         if (max < tm[i]) { max=tm[i]; j=i; }
 324                         }
 325                 if (max < 0.0) break;
 326                 printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
 327                 tm[j]= -2.0;
 328                 max= -1.0;
 329                 }
 330
 331         switch (max_idx)
 332                 {
 333         case 0:
 334                 printf("-DBF_DEFAULT_OPTIONS\n");
 335                 break;
 336         case 1:
 337                 printf("-DBF_PTR\n");
 338                 break;
 339         case 2:
 340                 printf("-DBF_PTR2\n");
 341                 break;
 342                 }
 343         exit(0);
 344 #if defined(LINT) || defined(MSDOS)
 345         return(0);
 346 #endif
 347         }