release/src/router/openssl/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 #if !defined(MSDOS) && (!defined(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 #include <signal.h>
  73 #ifndef _IRIX
  74 #include <time.h>
  75 #endif
  76 #ifdef TIMES
  77 #include <sys/types.h>
  78 #include <sys/times.h>
  79 #endif
  80
  81 /* Depending on the VMS version, the tms structure is perhaps defined.
  82    The __TMS macro will show if it was.  If it wasn't defined, we should
  83    undefine TIMES, since that tells the rest of the program how things
  84    should be handled.                           -- Richard Levitte */
  85 #if defined(VMS) && defined(__DECC) && !defined(__TMS)
  86 #undef TIMES
  87 #endif
  88
  89 #ifndef TIMES
  90 #include <sys/timeb.h>
  91 #endif
  92
  93 #if defined(sun) || defined(__ultrix)
  94 #define _POSIX_SOURCE
  95 #include <limits.h>
  96 #include <sys/param.h>
  97 #endif
  98
  99 #include <openssl/blowfish.h>
 100
 101 #define BF_DEFAULT_OPTIONS
 102
 103 #undef BF_ENC
 104 #define BF_encrypt  BF_encrypt_normal
 105 #undef HEADER_BF_LOCL_H
 106 #include "bf_enc.c"
 107
 108 #define BF_PTR
 109 #undef BF_PTR2
 110 #undef BF_ENC
 111 #undef BF_encrypt
 112 #define BF_encrypt  BF_encrypt_ptr
 113 #undef HEADER_BF_LOCL_H
 114 #include "bf_enc.c"
 115
 116 #undef BF_PTR
 117 #define BF_PTR2
 118 #undef BF_ENC
 119 #undef BF_encrypt
 120 #define BF_encrypt  BF_encrypt_ptr2
 121 #undef HEADER_BF_LOCL_H
 122 #include "bf_enc.c"
 123
 124 /* The following if from times(3) man page.  It may need to be changed */
 125 #ifndef HZ
 126 # ifndef CLK_TCK
 127 #  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
 128 #   define HZ   100.0
 129 #  else /* _BSD_CLK_TCK_ */
 130 #   define HZ ((double)_BSD_CLK_TCK_)
 131 #  endif
 132 # else /* CLK_TCK */
 133 #  define HZ ((double)CLK_TCK)
 134 # endif
 135 #endif
 136
 137 #define BUFSIZE ((long)1024)
 138 long run=0;
 139
 140 double Time_F(int s);
 141 #ifdef SIGALRM
 142 #if defined(__STDC__) || defined(sgi)
 143 #define SIGRETTYPE void
 144 #else
 145 #define SIGRETTYPE int
 146 #endif
 147
 148 SIGRETTYPE sig_done(int sig);
 149 SIGRETTYPE sig_done(int sig)
 150         {
 151         signal(SIGALRM,sig_done);
 152         run=0;
 153 #ifdef LINT
 154         sig=sig;
 155 #endif
 156         }
 157 #endif
 158
 159 #define START   0
 160 #define STOP    1
 161
 162 double Time_F(int s)
 163         {
 164         double ret;
 165 #ifdef TIMES
 166         static struct tms tstart,tend;
 167
 168         if (s == START)
 169                 {
 170                 times(&tstart);
 171                 return(0);
 172                 }
 173         else
 174                 {
 175                 times(&tend);
 176                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 177                 return((ret == 0.0)?1e-6:ret);
 178                 }
 179 #else /* !times() */
 180         static struct timeb tstart,tend;
 181         long i;
 182
 183         if (s == START)
 184                 {
 185                 ftime(&tstart);
 186                 return(0);
 187                 }
 188         else
 189                 {
 190                 ftime(&tend);
 191                 i=(long)tend.millitm-(long)tstart.millitm;
 192                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 193                 return((ret == 0.0)?1e-6:ret);
 194                 }
 195 #endif
 196         }
 197
 198 #ifdef SIGALRM
 199 #define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
 200 #else
 201 #define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
 202 #endif
 203
 204 #define time_it(func,name,index) \
 205         print_name(name); \
 206         Time_F(START); \
 207         for (count=0,run=1; COND(cb); count+=4) \
 208                 { \
 209                 unsigned long d[2]; \
 210                 func(d,&sch); \
 211                 func(d,&sch); \
 212                 func(d,&sch); \
 213                 func(d,&sch); \
 214                 } \
 215         tm[index]=Time_F(STOP); \
 216         fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
 217         tm[index]=((double)COUNT(cb))/tm[index];
 218
 219 #define print_it(name,index) \
 220         fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
 221                 tm[index]*8,1.0e6/tm[index]);
 222
 223 int main(int argc, char **argv)
 224         {
 225         long count;
 226         static unsigned char buf[BUFSIZE];
 227         static char key[16]={   0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
 228                                 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 229         BF_KEY sch;
 230         double d,tm[16],max=0;
 231         int rank[16];
 232         char *str[16];
 233         int max_idx=0,i,num=0,j;
 234 #ifndef SIGALARM
 235         long ca,cb,cc,cd,ce;
 236 #endif
 237
 238         for (i=0; i<12; i++)
 239                 {
 240                 tm[i]=0.0;
 241                 rank[i]=0;
 242                 }
 243
 244 #ifndef TIMES
 245         fprintf(stderr,"To get the most accurate results, try to run this\n");
 246         fprintf(stderr,"program when this computer is idle.\n");
 247 #endif
 248
 249         BF_set_key(&sch,16,key);
 250
 251 #ifndef SIGALRM
 252         fprintf(stderr,"First we calculate the approximate speed ...\n");
 253         count=10;
 254         do      {
 255                 long i;
 256                 unsigned long data[2];
 257
 258                 count*=2;
 259                 Time_F(START);
 260                 for (i=count; i; i--)
 261                         BF_encrypt(data,&sch);
 262                 d=Time_F(STOP);
 263                 } while (d < 3.0);
 264         ca=count;
 265         cb=count*3;
 266         cc=count*3*8/BUFSIZE+1;
 267         cd=count*8/BUFSIZE+1;
 268
 269         ce=count/20+1;
 270 #define COND(d) (count != (d))
 271 #define COUNT(d) (d)
 272 #else
 273 #define COND(c) (run)
 274 #define COUNT(d) (count)
 275         signal(SIGALRM,sig_done);
 276         alarm(10);
 277 #endif
 278
 279         time_it(BF_encrypt_normal,      "BF_encrypt_normal ", 0);
 280         time_it(BF_encrypt_ptr,         "BF_encrypt_ptr    ", 1);
 281         time_it(BF_encrypt_ptr2,        "BF_encrypt_ptr2   ", 2);
 282         num+=3;
 283
 284         str[0]="<nothing>";
 285         print_it("BF_encrypt_normal ",0);
 286         max=tm[0];
 287         max_idx=0;
 288         str[1]="ptr      ";
 289         print_it("BF_encrypt_ptr ",1);
 290         if (max < tm[1]) { max=tm[1]; max_idx=1; }
 291         str[2]="ptr2     ";
 292         print_it("BF_encrypt_ptr2 ",2);
 293         if (max < tm[2]) { max=tm[2]; max_idx=2; }
 294
 295         printf("options    BF ecb/s\n");
 296         printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
 297         d=tm[max_idx];
 298         tm[max_idx]= -2.0;
 299         max= -1.0;
 300         for (;;)
 301                 {
 302                 for (i=0; i<3; i++)
 303                         {
 304                         if (max < tm[i]) { max=tm[i]; j=i; }
 305                         }
 306                 if (max < 0.0) break;
 307                 printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
 308                 tm[j]= -2.0;
 309                 max= -1.0;
 310                 }
 311
 312         switch (max_idx)
 313                 {
 314         case 0:
 315                 printf("-DBF_DEFAULT_OPTIONS\n");
 316                 break;
 317         case 1:
 318                 printf("-DBF_PTR\n");
 319                 break;
 320         case 2:
 321                 printf("-DBF_PTR2\n");
 322                 break;
 323                 }
 324         exit(0);
 325 #if defined(LINT) || defined(MSDOS)
 326         return(0);
 327 #endif
 328         }