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(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
  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/blowfish.h>
 103
 104 #define BF_DEFAULT_OPTIONS
 105
 106 #undef BF_ENC
 107 #define BF_encrypt  BF_encrypt_normal
 108 #undef HEADER_BF_LOCL_H
 109 #include "bf_enc.c"
 110
 111 #define BF_PTR
 112 #undef BF_PTR2
 113 #undef BF_ENC
 114 #undef BF_encrypt
 115 #define BF_encrypt  BF_encrypt_ptr
 116 #undef HEADER_BF_LOCL_H
 117 #include "bf_enc.c"
 118
 119 #undef BF_PTR
 120 #define BF_PTR2
 121 #undef BF_ENC
 122 #undef BF_encrypt
 123 #define BF_encrypt  BF_encrypt_ptr2
 124 #undef HEADER_BF_LOCL_H
 125 #include "bf_enc.c"
 126
 127 /* The following if from times(3) man page.  It may need to be changed */
 128 #ifndef HZ
 129 # ifndef CLK_TCK
 130 #  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
 131 #   define HZ   100.0
 132 #  else /* _BSD_CLK_TCK_ */
 133 #   define HZ ((double)_BSD_CLK_TCK_)
 134 #  endif
 135 # else /* CLK_TCK */
 136 #  define HZ ((double)CLK_TCK)
 137 # endif
 138 #endif
 139
 140 #define BUFSIZE ((long)1024)
 141 long run=0;
 142
 143 double Time_F(int s);
 144 #ifdef SIGALRM
 145 #if defined(__STDC__) || defined(sgi)
 146 #define SIGRETTYPE void
 147 #else
 148 #define SIGRETTYPE int
 149 #endif
 150
 151 SIGRETTYPE sig_done(int sig);
 152 SIGRETTYPE sig_done(int sig)
 153         {
 154         signal(SIGALRM,sig_done);
 155         run=0;
 156 #ifdef LINT
 157         sig=sig;
 158 #endif
 159         }
 160 #endif
 161
 162 #define START   0
 163 #define STOP    1
 164
 165 double Time_F(int s)
 166         {
 167         double ret;
 168 #ifdef TIMES
 169         static struct tms tstart,tend;
 170
 171         if (s == START)
 172                 {
 173                 times(&tstart);
 174                 return(0);
 175                 }
 176         else
 177                 {
 178                 times(&tend);
 179                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 180                 return((ret == 0.0)?1e-6:ret);
 181                 }
 182 #else /* !times() */
 183         static struct timeb tstart,tend;
 184         long i;
 185
 186         if (s == START)
 187                 {
 188                 ftime(&tstart);
 189                 return(0);
 190                 }
 191         else
 192                 {
 193                 ftime(&tend);
 194                 i=(long)tend.millitm-(long)tstart.millitm;
 195                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 196                 return((ret == 0.0)?1e-6:ret);
 197                 }
 198 #endif
 199         }
 200
 201 #ifdef SIGALRM
 202 #define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
 203 #else
 204 #define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
 205 #endif
 206
 207 #define time_it(func,name,index) \
 208         print_name(name); \
 209         Time_F(START); \
 210         for (count=0,run=1; COND(cb); count+=4) \
 211                 { \
 212                 unsigned long d[2]; \
 213                 func(d,&sch); \
 214                 func(d,&sch); \
 215                 func(d,&sch); \
 216                 func(d,&sch); \
 217                 } \
 218         tm[index]=Time_F(STOP); \
 219         fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
 220         tm[index]=((double)COUNT(cb))/tm[index];
 221
 222 #define print_it(name,index) \
 223         fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
 224                 tm[index]*8,1.0e6/tm[index]);
 225
 226 int main(int argc, char **argv)
 227         {
 228         long count;
 229         static unsigned char buf[BUFSIZE];
 230         static char key[16]={   0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
 231                                 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 232         BF_KEY sch;
 233         double d,tm[16],max=0;
 234         int rank[16];
 235         char *str[16];
 236         int max_idx=0,i,num=0,j;
 237 #ifndef SIGALARM
 238         long ca,cb,cc,cd,ce;
 239 #endif
 240
 241         for (i=0; i<12; i++)
 242                 {
 243                 tm[i]=0.0;
 244                 rank[i]=0;
 245                 }
 246
 247 #ifndef TIMES
 248         fprintf(stderr,"To get the most accurate results, try to run this\n");
 249         fprintf(stderr,"program when this computer is idle.\n");
 250 #endif
 251
 252         BF_set_key(&sch,16,key);
 253
 254 #ifndef SIGALRM
 255         fprintf(stderr,"First we calculate the approximate speed ...\n");
 256         count=10;
 257         do      {
 258                 long i;
 259                 unsigned long data[2];
 260
 261                 count*=2;
 262                 Time_F(START);
 263                 for (i=count; i; i--)
 264                         BF_encrypt(data,&sch);
 265                 d=Time_F(STOP);
 266                 } while (d < 3.0);
 267         ca=count;
 268         cb=count*3;
 269         cc=count*3*8/BUFSIZE+1;
 270         cd=count*8/BUFSIZE+1;
 271
 272         ce=count/20+1;
 273 #define COND(d) (count != (d))
 274 #define COUNT(d) (d)
 275 #else
 276 #define COND(c) (run)
 277 #define COUNT(d) (count)
 278         signal(SIGALRM,sig_done);
 279         alarm(10);
 280 #endif
 281
 282         time_it(BF_encrypt_normal,      "BF_encrypt_normal ", 0);
 283         time_it(BF_encrypt_ptr,         "BF_encrypt_ptr    ", 1);
 284         time_it(BF_encrypt_ptr2,        "BF_encrypt_ptr2   ", 2);
 285         num+=3;
 286
 287         str[0]="<nothing>";
 288         print_it("BF_encrypt_normal ",0);
 289         max=tm[0];
 290         max_idx=0;
 291         str[1]="ptr      ";
 292         print_it("BF_encrypt_ptr ",1);
 293         if (max < tm[1]) { max=tm[1]; max_idx=1; }
 294         str[2]="ptr2     ";
 295         print_it("BF_encrypt_ptr2 ",2);
 296         if (max < tm[2]) { max=tm[2]; max_idx=2; }
 297
 298         printf("options    BF ecb/s\n");
 299         printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
 300         d=tm[max_idx];
 301         tm[max_idx]= -2.0;
 302         max= -1.0;
 303         for (;;)
 304                 {
 305                 for (i=0; i<3; i++)
 306                         {
 307                         if (max < tm[i]) { max=tm[i]; j=i; }
 308                         }
 309                 if (max < 0.0) break;
 310                 printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
 311                 tm[j]= -2.0;
 312                 max= -1.0;
 313                 }
 314
 315         switch (max_idx)
 316                 {
 317         case 0:
 318                 printf("-DBF_DEFAULT_OPTIONS\n");
 319                 break;
 320         case 1:
 321                 printf("-DBF_PTR\n");
 322                 break;
 323         case 2:
 324                 printf("-DBF_PTR2\n");
 325                 break;
 326                 }
 327         exit(0);
 328 #if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
 329         return(0);
 330 #endif
 331         }