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 #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC))
  63 #define TIMES
  64 #endif
  65
  66 #include <stdio.h>
  67
  68 #include <openssl/e_os2.h>
  69 #include OPENSSL_UNISTD_IO
  70 OPENSSL_DECLARE_EXIT
  71
  72 #ifndef OPENSSL_SYS_NETWARE
  73 #include <signal.h>
  74 #endif
  75
  76 #ifndef _IRIX
  77 #include <time.h>
  78 #endif
  79 #ifdef TIMES
  80 #include <sys/types.h>
  81 #include <sys/times.h>
  82 #endif
  83
  84 /* Depending on the VMS version, the tms structure is perhaps defined.
  85    The __TMS macro will show if it was.  If it wasn't defined, we should
  86    undefine TIMES, since that tells the rest of the program how things
  87    should be handled.                           -- Richard Levitte */
  88 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
  89 #undef TIMES
  90 #endif
  91
  92 #ifndef TIMES
  93 #include <sys/timeb.h>
  94 #endif
  95
  96 #if defined(sun) || defined(__ultrix)
  97 #define _POSIX_SOURCE
  98 #include <limits.h>
  99 #include <sys/param.h>
 100 #endif
 101
 102 #include <openssl/cast.h>
 103
 104 #define CAST_DEFAULT_OPTIONS
 105
 106 #undef E_CAST
 107 #define CAST_encrypt  CAST_encrypt_normal
 108 #define CAST_decrypt  CAST_decrypt_normal
 109 #define CAST_cbc_encrypt  CAST_cbc_encrypt_normal
 110 #undef HEADER_CAST_LOCL_H
 111 #include "c_enc.c"
 112
 113 #define CAST_PTR
 114 #undef CAST_PTR2
 115 #undef E_CAST
 116 #undef CAST_encrypt
 117 #undef CAST_decrypt
 118 #undef CAST_cbc_encrypt
 119 #define CAST_encrypt  CAST_encrypt_ptr
 120 #define CAST_decrypt  CAST_decrypt_ptr
 121 #define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr
 122 #undef HEADER_CAST_LOCL_H
 123 #include "c_enc.c"
 124
 125 #undef CAST_PTR
 126 #define CAST_PTR2
 127 #undef E_CAST
 128 #undef CAST_encrypt
 129 #undef CAST_decrypt
 130 #undef CAST_cbc_encrypt
 131 #define CAST_encrypt  CAST_encrypt_ptr2
 132 #define CAST_decrypt  CAST_decrypt_ptr2
 133 #define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr2
 134 #undef HEADER_CAST_LOCL_H
 135 #include "c_enc.c"
 136
 137 /* The following if from times(3) man page.  It may need to be changed */
 138 #ifndef HZ
 139 # ifndef CLK_TCK
 140 #  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
 141 #   define HZ   100.0
 142 #  else /* _BSD_CLK_TCK_ */
 143 #   define HZ ((double)_BSD_CLK_TCK_)
 144 #  endif
 145 # else /* CLK_TCK */
 146 #  define HZ ((double)CLK_TCK)
 147 # endif
 148 #endif
 149
 150 #define BUFSIZE ((long)1024)
 151 long run=0;
 152
 153 double Time_F(int s);
 154 #ifdef SIGALRM
 155 #if defined(__STDC__) || defined(sgi)
 156 #define SIGRETTYPE void
 157 #else
 158 #define SIGRETTYPE int
 159 #endif
 160
 161 SIGRETTYPE sig_done(int sig);
 162 SIGRETTYPE sig_done(int sig)
 163         {
 164         signal(SIGALRM,sig_done);
 165         run=0;
 166 #ifdef LINT
 167         sig=sig;
 168 #endif
 169         }
 170 #endif
 171
 172 #define START   0
 173 #define STOP    1
 174
 175 double Time_F(int s)
 176         {
 177         double ret;
 178 #ifdef TIMES
 179         static struct tms tstart,tend;
 180
 181         if (s == START)
 182                 {
 183                 times(&tstart);
 184                 return(0);
 185                 }
 186         else
 187                 {
 188                 times(&tend);
 189                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 190                 return((ret == 0.0)?1e-6:ret);
 191                 }
 192 #else /* !times() */
 193         static struct timeb tstart,tend;
 194         long i;
 195
 196         if (s == START)
 197                 {
 198                 ftime(&tstart);
 199                 return(0);
 200                 }
 201         else
 202                 {
 203                 ftime(&tend);
 204                 i=(long)tend.millitm-(long)tstart.millitm;
 205                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 206                 return((ret == 0.0)?1e-6:ret);
 207                 }
 208 #endif
 209         }
 210
 211 #ifdef SIGALRM
 212 #define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
 213 #else
 214 #define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
 215 #endif
 216
 217 #define time_it(func,name,index) \
 218         print_name(name); \
 219         Time_F(START); \
 220         for (count=0,run=1; COND(cb); count+=4) \
 221                 { \
 222                 unsigned long d[2]; \
 223                 func(d,&sch); \
 224                 func(d,&sch); \
 225                 func(d,&sch); \
 226                 func(d,&sch); \
 227                 } \
 228         tm[index]=Time_F(STOP); \
 229         fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
 230         tm[index]=((double)COUNT(cb))/tm[index];
 231
 232 #define print_it(name,index) \
 233         fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
 234                 tm[index]*8,1.0e6/tm[index]);
 235
 236 int main(int argc, char **argv)
 237         {
 238         long count;
 239         static unsigned char buf[BUFSIZE];
 240         static char key[16]={   0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
 241                                 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 242         CAST_KEY sch;
 243         double d,tm[16],max=0;
 244         int rank[16];
 245         char *str[16];
 246         int max_idx=0,i,num=0,j;
 247 #ifndef SIGALARM
 248         long ca,cb,cc,cd,ce;
 249 #endif
 250
 251         for (i=0; i<12; i++)
 252                 {
 253                 tm[i]=0.0;
 254                 rank[i]=0;
 255                 }
 256
 257 #ifndef TIMES
 258         fprintf(stderr,"To get the most accurate results, try to run this\n");
 259         fprintf(stderr,"program when this computer is idle.\n");
 260 #endif
 261
 262         CAST_set_key(&sch,16,key);
 263
 264 #ifndef SIGALRM
 265         fprintf(stderr,"First we calculate the approximate speed ...\n");
 266         count=10;
 267         do      {
 268                 long i;
 269                 unsigned long data[2];
 270
 271                 count*=2;
 272                 Time_F(START);
 273                 for (i=count; i; i--)
 274                         CAST_encrypt(data,&sch);
 275                 d=Time_F(STOP);
 276                 } while (d < 3.0);
 277         ca=count;
 278         cb=count*3;
 279         cc=count*3*8/BUFSIZE+1;
 280         cd=count*8/BUFSIZE+1;
 281
 282         ce=count/20+1;
 283 #define COND(d) (count != (d))
 284 #define COUNT(d) (d)
 285 #else
 286 #define COND(c) (run)
 287 #define COUNT(d) (count)
 288         signal(SIGALRM,sig_done);
 289         alarm(10);
 290 #endif
 291
 292         time_it(CAST_encrypt_normal,    "CAST_encrypt_normal ", 0);
 293         time_it(CAST_encrypt_ptr,       "CAST_encrypt_ptr    ", 1);
 294         time_it(CAST_encrypt_ptr2,      "CAST_encrypt_ptr2   ", 2);
 295         num+=3;
 296
 297         str[0]="<nothing>";
 298         print_it("CAST_encrypt_normal ",0);
 299         max=tm[0];
 300         max_idx=0;
 301         str[1]="ptr      ";
 302         print_it("CAST_encrypt_ptr ",1);
 303         if (max < tm[1]) { max=tm[1]; max_idx=1; }
 304         str[2]="ptr2     ";
 305         print_it("CAST_encrypt_ptr2 ",2);
 306         if (max < tm[2]) { max=tm[2]; max_idx=2; }
 307
 308         printf("options    CAST ecb/s\n");
 309         printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
 310         d=tm[max_idx];
 311         tm[max_idx]= -2.0;
 312         max= -1.0;
 313         for (;;)
 314                 {
 315                 for (i=0; i<3; i++)
 316                         {
 317                         if (max < tm[i]) { max=tm[i]; j=i; }
 318                         }
 319                 if (max < 0.0) break;
 320                 printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
 321                 tm[j]= -2.0;
 322                 max= -1.0;
 323                 }
 324
 325         switch (max_idx)
 326                 {
 327         case 0:
 328                 printf("-DCAST_DEFAULT_OPTIONS\n");
 329                 break;
 330         case 1:
 331                 printf("-DCAST_PTR\n");
 332                 break;
 333         case 2:
 334                 printf("-DCAST_PTR2\n");
 335                 break;
 336                 }
 337         exit(0);
 338 #if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
 339         return(0);
 340 #endif
 341         }
 342