crypto/heimdal-0.6.3/lib/des/des_opts.c

   1 /* crypto/des/des_opts.c */
   2 /* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@mincom.oz.au).
   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@mincom.oz.au).
  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@mincom.oz.au)"
  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@mincom.oz.au)"
  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 "des.h"
 101 #include "spr.h"
 102
 103 #define DES_DEFAULT_OPTIONS
 104
 105 #if !defined(PART1) && !defined(PART2) && !defined(PART3) && !defined(PART4)
 106 #define PART1
 107 #define PART2
 108 #define PART3
 109 #define PART4
 110 #endif
 111
 112 #ifdef PART1
 113
 114 #undef DES_UNROLL
 115 #undef DES_RISC1
 116 #undef DES_RISC2
 117 #undef DES_PTR
 118 #undef D_ENCRYPT
 119 #define des_encrypt  des_encrypt_u4_cisc_idx
 120 #define des_encrypt2 des_encrypt2_u4_cisc_idx
 121 #define des_encrypt3 des_encrypt3_u4_cisc_idx
 122 #define des_decrypt3 des_decrypt3_u4_cisc_idx
 123 #undef HEADER_DES_LOCL_H
 124 #include "des_enc.c"
 125
 126 #define DES_UNROLL
 127 #undef DES_RISC1
 128 #undef DES_RISC2
 129 #undef DES_PTR
 130 #undef D_ENCRYPT
 131 #undef des_encrypt
 132 #undef des_encrypt2
 133 #undef des_encrypt3
 134 #undef des_decrypt3
 135 #define des_encrypt  des_encrypt_u16_cisc_idx
 136 #define des_encrypt2 des_encrypt2_u16_cisc_idx
 137 #define des_encrypt3 des_encrypt3_u16_cisc_idx
 138 #define des_decrypt3 des_decrypt3_u16_cisc_idx
 139 #undef HEADER_DES_LOCL_H
 140 #include "des_enc.c"
 141
 142 #undef DES_UNROLL
 143 #define DES_RISC1
 144 #undef DES_RISC2
 145 #undef DES_PTR
 146 #undef D_ENCRYPT
 147 #undef des_encrypt
 148 #undef des_encrypt2
 149 #undef des_encrypt3
 150 #undef des_decrypt3
 151 #define des_encrypt  des_encrypt_u4_risc1_idx
 152 #define des_encrypt2 des_encrypt2_u4_risc1_idx
 153 #define des_encrypt3 des_encrypt3_u4_risc1_idx
 154 #define des_decrypt3 des_decrypt3_u4_risc1_idx
 155 #undef HEADER_DES_LOCL_H
 156 #include "des_enc.c"
 157
 158 #endif
 159
 160 #ifdef PART2
 161
 162 #undef DES_UNROLL
 163 #undef DES_RISC1
 164 #define DES_RISC2
 165 #undef DES_PTR
 166 #undef D_ENCRYPT
 167 #undef des_encrypt
 168 #undef des_encrypt2
 169 #undef des_encrypt3
 170 #undef des_decrypt3
 171 #define des_encrypt  des_encrypt_u4_risc2_idx
 172 #define des_encrypt2 des_encrypt2_u4_risc2_idx
 173 #define des_encrypt3 des_encrypt3_u4_risc2_idx
 174 #define des_decrypt3 des_decrypt3_u4_risc2_idx
 175 #undef HEADER_DES_LOCL_H
 176 #include "des_enc.c"
 177
 178 #define DES_UNROLL
 179 #define DES_RISC1
 180 #undef DES_RISC2
 181 #undef DES_PTR
 182 #undef D_ENCRYPT
 183 #undef des_encrypt
 184 #undef des_encrypt2
 185 #undef des_encrypt3
 186 #undef des_decrypt3
 187 #define des_encrypt  des_encrypt_u16_risc1_idx
 188 #define des_encrypt2 des_encrypt2_u16_risc1_idx
 189 #define des_encrypt3 des_encrypt3_u16_risc1_idx
 190 #define des_decrypt3 des_decrypt3_u16_risc1_idx
 191 #undef HEADER_DES_LOCL_H
 192 #include "des_enc.c"
 193
 194 #define DES_UNROLL
 195 #undef DES_RISC1
 196 #define DES_RISC2
 197 #undef DES_PTR
 198 #undef D_ENCRYPT
 199 #undef des_encrypt
 200 #undef des_encrypt2
 201 #undef des_encrypt3
 202 #undef des_decrypt3
 203 #define des_encrypt  des_encrypt_u16_risc2_idx
 204 #define des_encrypt2 des_encrypt2_u16_risc2_idx
 205 #define des_encrypt3 des_encrypt3_u16_risc2_idx
 206 #define des_decrypt3 des_decrypt3_u16_risc2_idx
 207 #undef HEADER_DES_LOCL_H
 208 #include "des_enc.c"
 209
 210 #endif
 211
 212 #ifdef PART3
 213
 214 #undef DES_UNROLL
 215 #undef DES_RISC1
 216 #undef DES_RISC2
 217 #define DES_PTR
 218 #undef D_ENCRYPT
 219 #undef des_encrypt
 220 #undef des_encrypt2
 221 #undef des_encrypt3
 222 #undef des_decrypt3
 223 #define des_encrypt  des_encrypt_u4_cisc_ptr
 224 #define des_encrypt2 des_encrypt2_u4_cisc_ptr
 225 #define des_encrypt3 des_encrypt3_u4_cisc_ptr
 226 #define des_decrypt3 des_decrypt3_u4_cisc_ptr
 227 #undef HEADER_DES_LOCL_H
 228 #include "des_enc.c"
 229
 230 #define DES_UNROLL
 231 #undef DES_RISC1
 232 #undef DES_RISC2
 233 #define DES_PTR
 234 #undef D_ENCRYPT
 235 #undef des_encrypt
 236 #undef des_encrypt2
 237 #undef des_encrypt3
 238 #undef des_decrypt3
 239 #define des_encrypt  des_encrypt_u16_cisc_ptr
 240 #define des_encrypt2 des_encrypt2_u16_cisc_ptr
 241 #define des_encrypt3 des_encrypt3_u16_cisc_ptr
 242 #define des_decrypt3 des_decrypt3_u16_cisc_ptr
 243 #undef HEADER_DES_LOCL_H
 244 #include "des_enc.c"
 245
 246 #undef DES_UNROLL
 247 #define DES_RISC1
 248 #undef DES_RISC2
 249 #define DES_PTR
 250 #undef D_ENCRYPT
 251 #undef des_encrypt
 252 #undef des_encrypt2
 253 #undef des_encrypt3
 254 #undef des_decrypt3
 255 #define des_encrypt  des_encrypt_u4_risc1_ptr
 256 #define des_encrypt2 des_encrypt2_u4_risc1_ptr
 257 #define des_encrypt3 des_encrypt3_u4_risc1_ptr
 258 #define des_decrypt3 des_decrypt3_u4_risc1_ptr
 259 #undef HEADER_DES_LOCL_H
 260 #include "des_enc.c"
 261
 262 #endif
 263
 264 #ifdef PART4
 265
 266 #undef DES_UNROLL
 267 #undef DES_RISC1
 268 #define DES_RISC2
 269 #define DES_PTR
 270 #undef D_ENCRYPT
 271 #undef des_encrypt
 272 #undef des_encrypt2
 273 #undef des_encrypt3
 274 #undef des_decrypt3
 275 #define des_encrypt  des_encrypt_u4_risc2_ptr
 276 #define des_encrypt2 des_encrypt2_u4_risc2_ptr
 277 #define des_encrypt3 des_encrypt3_u4_risc2_ptr
 278 #define des_decrypt3 des_decrypt3_u4_risc2_ptr
 279 #undef HEADER_DES_LOCL_H
 280 #include "des_enc.c"
 281
 282 #define DES_UNROLL
 283 #define DES_RISC1
 284 #undef DES_RISC2
 285 #define DES_PTR
 286 #undef D_ENCRYPT
 287 #undef des_encrypt
 288 #undef des_encrypt2
 289 #undef des_encrypt3
 290 #undef des_decrypt3
 291 #define des_encrypt  des_encrypt_u16_risc1_ptr
 292 #define des_encrypt2 des_encrypt2_u16_risc1_ptr
 293 #define des_encrypt3 des_encrypt3_u16_risc1_ptr
 294 #define des_decrypt3 des_decrypt3_u16_risc1_ptr
 295 #undef HEADER_DES_LOCL_H
 296 #include "des_enc.c"
 297
 298 #define DES_UNROLL
 299 #undef DES_RISC1
 300 #define DES_RISC2
 301 #define DES_PTR
 302 #undef D_ENCRYPT
 303 #undef des_encrypt
 304 #undef des_encrypt2
 305 #undef des_encrypt3
 306 #undef des_decrypt3
 307 #define des_encrypt  des_encrypt_u16_risc2_ptr
 308 #define des_encrypt2 des_encrypt2_u16_risc2_ptr
 309 #define des_encrypt3 des_encrypt3_u16_risc2_ptr
 310 #define des_decrypt3 des_decrypt3_u16_risc2_ptr
 311 #undef HEADER_DES_LOCL_H
 312 #include "des_enc.c"
 313
 314 #endif
 315
 316 /* The following if from times(3) man page.  It may need to be changed */
 317 #ifndef HZ
 318 #ifndef CLK_TCK
 319 #ifndef VMS
 320 #define HZ      100.0
 321 #else /* VMS */
 322 #define HZ      100.0
 323 #endif
 324 #else /* CLK_TCK */
 325 #define HZ ((double)CLK_TCK)
 326 #endif
 327 #endif
 328
 329 #define BUFSIZE ((long)1024)
 330 long run=0;
 331
 332 #ifndef NOPROTO
 333 double Time_F(int s);
 334 #else
 335 double Time_F();
 336 #endif
 337
 338 #ifdef SIGALRM
 339 #if defined(__STDC__) || defined(sgi)
 340 #define SIGRETTYPE void
 341 #else
 342 #define SIGRETTYPE int
 343 #endif
 344
 345 #ifndef NOPROTO
 346 SIGRETTYPE sig_done(int sig);
 347 #else
 348 SIGRETTYPE sig_done();
 349 #endif
 350
 351 SIGRETTYPE sig_done(sig)
 352 int sig;
 353         {
 354         signal(SIGALRM,sig_done);
 355         run=0;
 356 #ifdef LINT
 357         sig=sig;
 358 #endif
 359         }
 360 #endif
 361
 362 #define START   0
 363 #define STOP    1
 364
 365 double Time_F(s)
 366 int s;
 367         {
 368         double ret;
 369 #ifdef TIMES
 370         static struct tms tstart,tend;
 371
 372         if (s == START)
 373                 {
 374                 times(&tstart);
 375                 return(0);
 376                 }
 377         else
 378                 {
 379                 times(&tend);
 380                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 381                 return((ret == 0.0)?1e-6:ret);
 382                 }
 383 #else /* !times() */
 384         static struct timeb tstart,tend;
 385         long i;
 386
 387         if (s == START)
 388                 {
 389                 ftime(&tstart);
 390                 return(0);
 391                 }
 392         else
 393                 {
 394                 ftime(&tend);
 395                 i=(long)tend.millitm-(long)tstart.millitm;
 396                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 397                 return((ret == 0.0)?1e-6:ret);
 398                 }
 399 #endif
 400         }
 401
 402 #ifdef SIGALRM
 403 #define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
 404 #else
 405 #define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
 406 #endif
 407
 408 #define time_it(func,name,index) \
 409         print_name(name); \
 410         Time_F(START); \
 411         for (count=0,run=1; COND(cb); count++) \
 412                 { \
 413                 unsigned long d[2]; \
 414                 func(d,&(sch[0]),DES_ENCRYPT); \
 415                 } \
 416         tm[index]=Time_F(STOP); \
 417         fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
 418         tm[index]=((double)COUNT(cb))/tm[index];
 419
 420 #define print_it(name,index) \
 421         fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
 422                 tm[index]*8,1.0e6/tm[index]);
 423
 424 int main(argc,argv)
 425 int argc;
 426 char **argv;
 427         {
 428         long count;
 429         static unsigned char buf[BUFSIZE];
 430         static des_cblock key ={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 431         static des_cblock key2={0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};
 432         static des_cblock key3={0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};
 433         des_key_schedule sch,sch2,sch3;
 434         double d,tm[16],max=0;
 435         int rank[16];
 436         char *str[16];
 437         int max_idx=0,i,num=0,j;
 438 #ifndef SIGALARM
 439         long ca,cb,cc,cd,ce;
 440 #endif
 441
 442         for (i=0; i<12; i++)
 443                 {
 444                 tm[i]=0.0;
 445                 rank[i]=0;
 446                 }
 447
 448 #ifndef TIMES
 449         fprintf(stderr,"To get the most acurate results, try to run this\n");
 450         fprintf(stderr,"program when this computer is idle.\n");
 451 #endif
 452
 453         des_set_key((C_Block *)key,sch);
 454         des_set_key((C_Block *)key2,sch2);
 455         des_set_key((C_Block *)key3,sch3);
 456
 457 #ifndef SIGALRM
 458         fprintf(stderr,"First we calculate the approximate speed ...\n");
 459         des_set_key((C_Block *)key,sch);
 460         count=10;
 461         do      {
 462                 long i;
 463                 unsigned long data[2];
 464
 465                 count*=2;
 466                 Time_F(START);
 467                 for (i=count; i; i--)
 468                         des_encrypt(data,&(sch[0]),DES_ENCRYPT);
 469                 d=Time_F(STOP);
 470                 } while (d < 3.0);
 471         ca=count;
 472         cb=count*3;
 473         cc=count*3*8/BUFSIZE+1;
 474         cd=count*8/BUFSIZE+1;
 475
 476         ce=count/20+1;
 477 #define COND(d) (count != (d))
 478 #define COUNT(d) (d)
 479 #else
 480 #define COND(c) (run)
 481 #define COUNT(d) (count)
 482         signal(SIGALRM,sig_done);
 483         alarm(10);
 484 #endif
 485
 486 #ifdef PART1
 487         time_it(des_encrypt_u4_cisc_idx,  "des_encrypt_u4_cisc_idx  ", 0);
 488         time_it(des_encrypt_u16_cisc_idx, "des_encrypt_u16_cisc_idx ", 1);
 489         time_it(des_encrypt_u4_risc1_idx, "des_encrypt_u4_risc1_idx ", 2);
 490         num+=3;
 491 #endif
 492 #ifdef PART2
 493         time_it(des_encrypt_u16_risc1_idx,"des_encrypt_u16_risc1_idx", 3);
 494         time_it(des_encrypt_u4_risc2_idx, "des_encrypt_u4_risc2_idx ", 4);
 495         time_it(des_encrypt_u16_risc2_idx,"des_encrypt_u16_risc2_idx", 5);
 496         num+=3;
 497 #endif
 498 #ifdef PART3
 499         time_it(des_encrypt_u4_cisc_ptr,  "des_encrypt_u4_cisc_ptr  ", 6);
 500         time_it(des_encrypt_u16_cisc_ptr, "des_encrypt_u16_cisc_ptr ", 7);
 501         time_it(des_encrypt_u4_risc1_ptr, "des_encrypt_u4_risc1_ptr ", 8);
 502         num+=3;
 503 #endif
 504 #ifdef PART4
 505         time_it(des_encrypt_u16_risc1_ptr,"des_encrypt_u16_risc1_ptr", 9);
 506         time_it(des_encrypt_u4_risc2_ptr, "des_encrypt_u4_risc2_ptr ",10);
 507         time_it(des_encrypt_u16_risc2_ptr,"des_encrypt_u16_risc2_ptr",11);
 508         num+=3;
 509 #endif
 510
 511 #ifdef PART1
 512         str[0]=" 4  c i";
 513         print_it("des_encrypt_u4_cisc_idx  ",0);
 514         max=tm[0];
 515         max_idx=0;
 516         str[1]="16  c i";
 517         print_it("des_encrypt_u16_cisc_idx ",1);
 518         if (max < tm[1]) { max=tm[1]; max_idx=1; }
 519         str[2]=" 4 r1 i";
 520         print_it("des_encrypt_u4_risc1_idx ",2);
 521         if (max < tm[2]) { max=tm[2]; max_idx=2; }
 522 #endif
 523 #ifdef PART2
 524         str[3]="16 r1 i";
 525         print_it("des_encrypt_u16_risc1_idx",3);
 526         if (max < tm[3]) { max=tm[3]; max_idx=3; }
 527         str[4]=" 4 r2 i";
 528         print_it("des_encrypt_u4_risc2_idx ",4);
 529         if (max < tm[4]) { max=tm[4]; max_idx=4; }
 530         str[5]="16 r2 i";
 531         print_it("des_encrypt_u16_risc2_idx",5);
 532         if (max < tm[5]) { max=tm[5]; max_idx=5; }
 533 #endif
 534 #ifdef PART3
 535         str[6]=" 4  c p";
 536         print_it("des_encrypt_u4_cisc_ptr  ",6);
 537         if (max < tm[6]) { max=tm[6]; max_idx=6; }
 538         str[7]="16  c p";
 539         print_it("des_encrypt_u16_cisc_ptr ",7);
 540         if (max < tm[7]) { max=tm[7]; max_idx=7; }
 541         str[8]=" 4 r1 p";
 542         print_it("des_encrypt_u4_risc1_ptr ",8);
 543         if (max < tm[8]) { max=tm[8]; max_idx=8; }
 544 #endif
 545 #ifdef PART4
 546         str[9]="16 r1 p";
 547         print_it("des_encrypt_u16_risc1_ptr",9);
 548         if (max < tm[9]) { max=tm[9]; max_idx=9; }
 549         str[10]=" 4 r2 p";
 550         print_it("des_encrypt_u4_risc2_ptr ",10);
 551         if (max < tm[10]) { max=tm[10]; max_idx=10; }
 552         str[11]="16 r2 p";
 553         print_it("des_encrypt_u16_risc2_ptr",11);
 554         if (max < tm[11]) { max=tm[11]; max_idx=11; }
 555 #endif
 556         printf("options    des ecb/s\n");
 557         printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
 558         d=tm[max_idx];
 559         tm[max_idx]= -2.0;
 560         max= -1.0;
 561         for (;;)
 562                 {
 563                 for (i=0; i<12; i++)
 564                         {
 565                         if (max < tm[i]) { max=tm[i]; j=i; }
 566                         }
 567                 if (max < 0.0) break;
 568                 printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
 569                 tm[j]= -2.0;
 570                 max= -1.0;
 571                 }
 572
 573         switch (max_idx)
 574                 {
 575         case 0:
 576                 printf("-DDES_DEFAULT_OPTIONS\n");
 577                 break;
 578         case 1:
 579                 printf("-DDES_UNROLL\n");
 580                 break;
 581         case 2:
 582                 printf("-DDES_RISC1\n");
 583                 break;
 584         case 3:
 585                 printf("-DDES_UNROLL -DDES_RISC1\n");
 586                 break;
 587         case 4:
 588                 printf("-DDES_RISC2\n");
 589                 break;
 590         case 5:
 591                 printf("-DDES_UNROLL -DDES_RISC2\n");
 592                 break;
 593         case 6:
 594                 printf("-DDES_PTR\n");
 595                 break;
 596         case 7:
 597                 printf("-DDES_UNROLL -DDES_PTR\n");
 598                 break;
 599         case 8:
 600                 printf("-DDES_RISC1 -DDES_PTR\n");
 601                 break;
 602         case 9:
 603                 printf("-DDES_UNROLL -DDES_RISC1 -DDES_PTR\n");
 604                 break;
 605         case 10:
 606                 printf("-DDES_RISC2 -DDES_PTR\n");
 607                 break;
 608         case 11:
 609                 printf("-DDES_UNROLL -DDES_RISC2 -DDES_PTR\n");
 610                 break;
 611                 }
 612         exit(0);
 613 #if defined(LINT) || defined(MSDOS)
 614         return(0);
 615 #endif
 616         }