crypto/cast/castopts.c

   1 /* crypto/cast/castopts.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 "cast.h"
 102
 103 #define CAST_DEFAULT_OPTIONS
 104
 105 #undef E_CAST
 106 #define CAST_encrypt  CAST_encrypt_normal
 107 #define CAST_decrypt  CAST_decrypt_normal
 108 #define CAST_cbc_encrypt  CAST_cbc_encrypt_normal
 109 #undef HEADER_CAST_LOCL_H
 110 #include "c_enc.c"
 111
 112 #define CAST_PTR
 113 #undef CAST_PTR2
 114 #undef E_CAST
 115 #undef CAST_encrypt
 116 #undef CAST_decrypt
 117 #undef CAST_cbc_encrypt
 118 #define CAST_encrypt  CAST_encrypt_ptr
 119 #define CAST_decrypt  CAST_decrypt_ptr
 120 #define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr
 121 #undef HEADER_CAST_LOCL_H
 122 #include "c_enc.c"
 123
 124 #undef CAST_PTR
 125 #define CAST_PTR2
 126 #undef E_CAST
 127 #undef CAST_encrypt
 128 #undef CAST_decrypt
 129 #undef CAST_cbc_encrypt
 130 #define CAST_encrypt  CAST_encrypt_ptr2
 131 #define CAST_decrypt  CAST_decrypt_ptr2
 132 #define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr2
 133 #undef HEADER_CAST_LOCL_H
 134 #include "c_enc.c"
 135
 136 /* The following if from times(3) man page.  It may need to be changed */
 137 #ifndef HZ
 138 # ifndef CLK_TCK
 139 #  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
 140 #   ifndef VMS
 141 #    define HZ  100.0
 142 #   else /* VMS */
 143 #    define HZ  100.0
 144 #   endif
 145 #  else /* _BSD_CLK_TCK_ */
 146 #   define HZ ((double)_BSD_CLK_TCK_)
 147 #  endif
 148 # else /* CLK_TCK */
 149 #  define HZ ((double)CLK_TCK)
 150 # endif
 151 #endif
 152
 153 #define BUFSIZE ((long)1024)
 154 long run=0;
 155
 156 #ifndef NOPROTO
 157 double Time_F(int s);
 158 #else
 159 double Time_F();
 160 #endif
 161
 162 #ifdef SIGALRM
 163 #if defined(__STDC__) || defined(sgi)
 164 #define SIGRETTYPE void
 165 #else
 166 #define SIGRETTYPE int
 167 #endif
 168
 169 #ifndef NOPROTO
 170 SIGRETTYPE sig_done(int sig);
 171 #else
 172 SIGRETTYPE sig_done();
 173 #endif
 174
 175 SIGRETTYPE sig_done(sig)
 176 int sig;
 177         {
 178         signal(SIGALRM,sig_done);
 179         run=0;
 180 #ifdef LINT
 181         sig=sig;
 182 #endif
 183         }
 184 #endif
 185
 186 #define START   0
 187 #define STOP    1
 188
 189 double Time_F(s)
 190 int s;
 191         {
 192         double ret;
 193 #ifdef TIMES
 194         static struct tms tstart,tend;
 195
 196         if (s == START)
 197                 {
 198                 times(&tstart);
 199                 return(0);
 200                 }
 201         else
 202                 {
 203                 times(&tend);
 204                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 205                 return((ret == 0.0)?1e-6:ret);
 206                 }
 207 #else /* !times() */
 208         static struct timeb tstart,tend;
 209         long i;
 210
 211         if (s == START)
 212                 {
 213                 ftime(&tstart);
 214                 return(0);
 215                 }
 216         else
 217                 {
 218                 ftime(&tend);
 219                 i=(long)tend.millitm-(long)tstart.millitm;
 220                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 221                 return((ret == 0.0)?1e-6:ret);
 222                 }
 223 #endif
 224         }
 225
 226 #ifdef SIGALRM
 227 #define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
 228 #else
 229 #define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
 230 #endif
 231
 232 #define time_it(func,name,index) \
 233         print_name(name); \
 234         Time_F(START); \
 235         for (count=0,run=1; COND(cb); count+=4) \
 236                 { \
 237                 unsigned long d[2]; \
 238                 func(d,&sch); \
 239                 func(d,&sch); \
 240                 func(d,&sch); \
 241                 func(d,&sch); \
 242                 } \
 243         tm[index]=Time_F(STOP); \
 244         fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
 245         tm[index]=((double)COUNT(cb))/tm[index];
 246
 247 #define print_it(name,index) \
 248         fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
 249                 tm[index]*8,1.0e6/tm[index]);
 250
 251 int main(argc,argv)
 252 int argc;
 253 char **argv;
 254         {
 255         long count;
 256         static unsigned char buf[BUFSIZE];
 257         static char key[16]={   0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
 258                                 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 259         CAST_KEY sch;
 260         double d,tm[16],max=0;
 261         int rank[16];
 262         char *str[16];
 263         int max_idx=0,i,num=0,j;
 264 #ifndef SIGALARM
 265         long ca,cb,cc,cd,ce;
 266 #endif
 267
 268         for (i=0; i<12; i++)
 269                 {
 270                 tm[i]=0.0;
 271                 rank[i]=0;
 272                 }
 273
 274 #ifndef TIMES
 275         fprintf(stderr,"To get the most acurate results, try to run this\n");
 276         fprintf(stderr,"program when this computer is idle.\n");
 277 #endif
 278
 279         CAST_set_key(&sch,16,key);
 280
 281 #ifndef SIGALRM
 282         fprintf(stderr,"First we calculate the approximate speed ...\n");
 283         count=10;
 284         do      {
 285                 long i;
 286                 unsigned long data[2];
 287
 288                 count*=2;
 289                 Time_F(START);
 290                 for (i=count; i; i--)
 291                         CAST_encrypt(data,&sch);
 292                 d=Time_F(STOP);
 293                 } while (d < 3.0);
 294         ca=count;
 295         cb=count*3;
 296         cc=count*3*8/BUFSIZE+1;
 297         cd=count*8/BUFSIZE+1;
 298
 299         ce=count/20+1;
 300 #define COND(d) (count != (d))
 301 #define COUNT(d) (d)
 302 #else
 303 #define COND(c) (run)
 304 #define COUNT(d) (count)
 305         signal(SIGALRM,sig_done);
 306         alarm(10);
 307 #endif
 308
 309         time_it(CAST_encrypt_normal,    "CAST_encrypt_normal ", 0);
 310         time_it(CAST_encrypt_ptr,       "CAST_encrypt_ptr    ", 1);
 311         time_it(CAST_encrypt_ptr2,      "CAST_encrypt_ptr2   ", 2);
 312         num+=3;
 313
 314         str[0]="<nothing>";
 315         print_it("CAST_encrypt_normal ",0);
 316         max=tm[0];
 317         max_idx=0;
 318         str[1]="ptr      ";
 319         print_it("CAST_encrypt_ptr ",1);
 320         if (max < tm[1]) { max=tm[1]; max_idx=1; }
 321         str[2]="ptr2     ";
 322         print_it("CAST_encrypt_ptr2 ",2);
 323         if (max < tm[2]) { max=tm[2]; max_idx=2; }
 324
 325         printf("options    CAST ecb/s\n");
 326         printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
 327         d=tm[max_idx];
 328         tm[max_idx]= -2.0;
 329         max= -1.0;
 330         for (;;)
 331                 {
 332                 for (i=0; i<3; i++)
 333                         {
 334                         if (max < tm[i]) { max=tm[i]; j=i; }
 335                         }
 336                 if (max < 0.0) break;
 337                 printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
 338                 tm[j]= -2.0;
 339                 max= -1.0;
 340                 }
 341
 342         switch (max_idx)
 343                 {
 344         case 0:
 345                 printf("-DCAST_DEFAULT_OPTIONS\n");
 346                 break;
 347         case 1:
 348                 printf("-DCAST_PTR\n");
 349                 break;
 350         case 2:
 351                 printf("-DCAST_PTR2\n");
 352                 break;
 353                 }
 354         exit(0);
 355 #if defined(LINT) || defined(MSDOS)
 356         return(0);
 357 #endif
 358         }
 359