crypto/bn/bnspeed.c

   1 /* crypto/bn/bnspeed.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 /* most of this code has been pilfered from my libdes speed.c program */
  60
  61 #define BASENUM 1000000
  62 #undef PROG
  63 #define PROG bnspeed_main
  64
  65 #include <stdio.h>
  66 #include <stdlib.h>
  67 #include <signal.h>
  68 #include <string.h>
  69 #include <openssl/crypto.h>
  70 #include <openssl/err.h>
  71
  72 #ifndef MSDOS
  73 #define TIMES
  74 #endif
  75
  76 #ifndef VMS
  77 #ifndef _IRIX
  78 #include <time.h>
  79 #endif
  80 #ifdef TIMES
  81 #include <sys/types.h>
  82 #include <sys/times.h>
  83 #endif
  84 #else /* VMS */
  85 #include <types.h>
  86 struct tms {
  87         time_t tms_utime;
  88         time_t tms_stime;
  89         time_t tms_uchild;      /* I dunno...  */
  90         time_t tms_uchildsys;   /* so these names are a guess :-) */
  91         }
  92 #endif
  93 #ifndef TIMES
  94 #include <sys/timeb.h>
  95 #endif
  96
  97 #if defined(sun) || defined(__ultrix)
  98 #define _POSIX_SOURCE
  99 #include <limits.h>
 100 #include <sys/param.h>
 101 #endif
 102
 103 #include <openssl/bn.h>
 104 #include <openssl/x509.h>
 105
 106 /* The following if from times(3) man page.  It may need to be changed */
 107 #ifndef HZ
 108 # ifndef CLK_TCK
 109 #  ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
 110 #   ifndef VMS
 111 #    define HZ  100.0
 112 #   else /* VMS */
 113 #    define HZ  100.0
 114 #   endif
 115 #  else /* _BSD_CLK_TCK_ */
 116 #   define HZ ((double)_BSD_CLK_TCK_)
 117 #  endif
 118 # else /* CLK_TCK */
 119 #  define HZ ((double)CLK_TCK)
 120 # endif
 121 #endif
 122
 123 #undef BUFSIZE
 124 #define BUFSIZE ((long)1024*8)
 125 int run=0;
 126
 127 #ifndef NOPROTO
 128 static double Time_F(int s);
 129 #else
 130 static double Time_F();
 131 #endif
 132
 133 #define START   0
 134 #define STOP    1
 135
 136 static double Time_F(int s)
 137         {
 138         double ret;
 139 #ifdef TIMES
 140         static struct tms tstart,tend;
 141
 142         if (s == START)
 143                 {
 144                 times(&tstart);
 145                 return(0);
 146                 }
 147         else
 148                 {
 149                 times(&tend);
 150                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 151                 return((ret < 1e-3)?1e-3:ret);
 152                 }
 153 #else /* !times() */
 154         static struct timeb tstart,tend;
 155         long i;
 156
 157         if (s == START)
 158                 {
 159                 ftime(&tstart);
 160                 return(0);
 161                 }
 162         else
 163                 {
 164                 ftime(&tend);
 165                 i=(long)tend.millitm-(long)tstart.millitm;
 166                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 167                 return((ret < 0.001)?0.001:ret);
 168                 }
 169 #endif
 170         }
 171
 172 #define NUM_SIZES       5
 173 static int sizes[NUM_SIZES]={128,256,512,1024,2048};
 174 /*static int sizes[NUM_SIZES]={59,179,299,419,539}; */
 175
 176 void do_mul(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_CTX *ctx);
 177
 178 int main(int argc, char **argv)
 179         {
 180         BN_CTX *ctx;
 181         BIGNUM a,b,c;
 182
 183         ctx=BN_CTX_new();
 184         BN_init(&a);
 185         BN_init(&b);
 186         BN_init(&c);
 187
 188         do_mul(&a,&b,&c,ctx);
 189         }
 190
 191 void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
 192         {
 193         int i,j,k;
 194         double tm;
 195         long num;
 196
 197         for (i=0; i<NUM_SIZES; i++)
 198                 {
 199                 num=BASENUM;
 200                 if (i) num/=(i*3);
 201                 BN_rand(a,sizes[i],1,0);
 202                 for (j=i; j<NUM_SIZES; j++)
 203                         {
 204                         BN_rand(b,sizes[j],1,0);
 205                         Time_F(START);
 206                         for (k=0; k<num; k++)
 207                                 BN_mul(r,b,a,ctx);
 208                         tm=Time_F(STOP);
 209                         printf("mul %4d x %4d -> %8.3fms\n",sizes[i],sizes[j],tm*1000.0/num);
 210                         }
 211                 }
 212
 213         for (i=0; i<NUM_SIZES; i++)
 214                 {
 215                 num=BASENUM;
 216                 if (i) num/=(i*3);
 217                 BN_rand(a,sizes[i],1,0);
 218                 Time_F(START);
 219                 for (k=0; k<num; k++)
 220                         BN_sqr(r,a,ctx);
 221                 tm=Time_F(STOP);
 222                 printf("sqr %4d x %4d -> %8.3fms\n",sizes[i],sizes[i],tm*1000.0/num);
 223                 }
 224
 225         for (i=0; i<NUM_SIZES; i++)
 226                 {
 227                 num=BASENUM/10;
 228                 if (i) num/=(i*3);
 229                 BN_rand(a,sizes[i]-1,1,0);
 230                 for (j=i; j<NUM_SIZES; j++)
 231                         {
 232                         BN_rand(b,sizes[j],1,0);
 233                         Time_F(START);
 234                         for (k=0; k<100000; k++)
 235                                 BN_div(r, NULL, b, a,ctx);
 236                         tm=Time_F(STOP);
 237                         printf("div %4d / %4d -> %8.3fms\n",sizes[j],sizes[i]-1,tm*1000.0/num);
 238                         }
 239                 }
 240         }
 241