release/src/router/openssl/crypto/bn/bnspeed.c

   1 /* unused */
   2
   3 /* crypto/bn/bnspeed.c */
   4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   5  * All rights reserved.
   6  *
   7  * This package is an SSL implementation written
   8  * by Eric Young (eay@cryptsoft.com).
   9  * The implementation was written so as to conform with Netscapes SSL.
  10  *
  11  * This library is free for commercial and non-commercial use as long as
  12  * the following conditions are aheared to.  The following conditions
  13  * apply to all code found in this distribution, be it the RC4, RSA,
  14  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  15  * included with this distribution is covered by the same copyright terms
  16  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  17  *
  18  * Copyright remains Eric Young's, and as such any Copyright notices in
  19  * the code are not to be removed.
  20  * If this package is used in a product, Eric Young should be given attribution
  21  * as the author of the parts of the library used.
  22  * This can be in the form of a textual message at program startup or
  23  * in documentation (online or textual) provided with the package.
  24  *
  25  * Redistribution and use in source and binary forms, with or without
  26  * modification, are permitted provided that the following conditions
  27  * are met:
  28  * 1. Redistributions of source code must retain the copyright
  29  *    notice, this list of conditions and the following disclaimer.
  30  * 2. Redistributions in binary form must reproduce the above copyright
  31  *    notice, this list of conditions and the following disclaimer in the
  32  *    documentation and/or other materials provided with the distribution.
  33  * 3. All advertising materials mentioning features or use of this software
  34  *    must display the following acknowledgement:
  35  *    "This product includes cryptographic software written by
  36  *     Eric Young (eay@cryptsoft.com)"
  37  *    The word 'cryptographic' can be left out if the rouines from the library
  38  *    being used are not cryptographic related :-).
  39  * 4. If you include any Windows specific code (or a derivative thereof) from
  40  *    the apps directory (application code) you must include an acknowledgement:
  41  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  44  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  47  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  53  * SUCH DAMAGE.
  54  *
  55  * The licence and distribution terms for any publically available version or
  56  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  57  * copied and put under another distribution licence
  58  * [including the GNU Public Licence.]
  59  */
  60
  61 /* most of this code has been pilfered from my libdes speed.c program */
  62
  63 #define BASENUM 1000000
  64 #undef PROG
  65 #define PROG bnspeed_main
  66
  67 #include <stdio.h>
  68 #include <stdlib.h>
  69 #include <signal.h>
  70 #include <string.h>
  71 #include <openssl/crypto.h>
  72 #include <openssl/err.h>
  73
  74 #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
  75 #define TIMES
  76 #endif
  77
  78 #ifndef _IRIX
  79 #include <time.h>
  80 #endif
  81 #ifdef TIMES
  82 #include <sys/types.h>
  83 #include <sys/times.h>
  84 #endif
  85
  86 /* Depending on the VMS version, the tms structure is perhaps defined.
  87    The __TMS macro will show if it was.  If it wasn't defined, we should
  88    undefine TIMES, since that tells the rest of the program how things
  89    should be handled.                           -- Richard Levitte */
  90 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
  91 #undef TIMES
  92 #endif
  93
  94 #ifndef TIMES
  95 #include <sys/timeb.h>
  96 #endif
  97
  98 #if defined(sun) || defined(__ultrix)
  99 #define _POSIX_SOURCE
 100 #include <limits.h>
 101 #include <sys/param.h>
 102 #endif
 103
 104 #include <openssl/bn.h>
 105 #include <openssl/x509.h>
 106
 107 /* The following if from times(3) man page.  It may need to be changed */
 108 #ifndef HZ
 109 # ifndef CLK_TCK
 110 #  ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
 111 #   define HZ   100.0
 112 #  else /* _BSD_CLK_TCK_ */
 113 #   define HZ ((double)_BSD_CLK_TCK_)
 114 #  endif
 115 # else /* CLK_TCK */
 116 #  define HZ ((double)CLK_TCK)
 117 # endif
 118 #endif
 119
 120 #undef BUFSIZE
 121 #define BUFSIZE ((long)1024*8)
 122 int run=0;
 123
 124 static double Time_F(int s);
 125 #define START   0
 126 #define STOP    1
 127
 128 static double Time_F(int s)
 129         {
 130         double ret;
 131 #ifdef TIMES
 132         static struct tms tstart,tend;
 133
 134         if (s == START)
 135                 {
 136                 times(&tstart);
 137                 return(0);
 138                 }
 139         else
 140                 {
 141                 times(&tend);
 142                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 143                 return((ret < 1e-3)?1e-3:ret);
 144                 }
 145 #else /* !times() */
 146         static struct timeb tstart,tend;
 147         long i;
 148
 149         if (s == START)
 150                 {
 151                 ftime(&tstart);
 152                 return(0);
 153                 }
 154         else
 155                 {
 156                 ftime(&tend);
 157                 i=(long)tend.millitm-(long)tstart.millitm;
 158                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 159                 return((ret < 0.001)?0.001:ret);
 160                 }
 161 #endif
 162         }
 163
 164 #define NUM_SIZES       5
 165 static int sizes[NUM_SIZES]={128,256,512,1024,2048};
 166 /*static int sizes[NUM_SIZES]={59,179,299,419,539}; */
 167
 168 void do_mul(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_CTX *ctx);
 169
 170 int main(int argc, char **argv)
 171         {
 172         BN_CTX *ctx;
 173         BIGNUM a,b,c;
 174
 175         ctx=BN_CTX_new();
 176         BN_init(&a);
 177         BN_init(&b);
 178         BN_init(&c);
 179
 180         do_mul(&a,&b,&c,ctx);
 181         }
 182
 183 void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
 184         {
 185         int i,j,k;
 186         double tm;
 187         long num;
 188
 189         for (i=0; i<NUM_SIZES; i++)
 190                 {
 191                 num=BASENUM;
 192                 if (i) num/=(i*3);
 193                 BN_rand(a,sizes[i],1,0);
 194                 for (j=i; j<NUM_SIZES; j++)
 195                         {
 196                         BN_rand(b,sizes[j],1,0);
 197                         Time_F(START);
 198                         for (k=0; k<num; k++)
 199                                 BN_mul(r,b,a,ctx);
 200                         tm=Time_F(STOP);
 201                         printf("mul %4d x %4d -> %8.3fms\n",sizes[i],sizes[j],tm*1000.0/num);
 202                         }
 203                 }
 204
 205         for (i=0; i<NUM_SIZES; i++)
 206                 {
 207                 num=BASENUM;
 208                 if (i) num/=(i*3);
 209                 BN_rand(a,sizes[i],1,0);
 210                 Time_F(START);
 211                 for (k=0; k<num; k++)
 212                         BN_sqr(r,a,ctx);
 213                 tm=Time_F(STOP);
 214                 printf("sqr %4d x %4d -> %8.3fms\n",sizes[i],sizes[i],tm*1000.0/num);
 215                 }
 216
 217         for (i=0; i<NUM_SIZES; i++)
 218                 {
 219                 num=BASENUM/10;
 220                 if (i) num/=(i*3);
 221                 BN_rand(a,sizes[i]-1,1,0);
 222                 for (j=i; j<NUM_SIZES; j++)
 223                         {
 224                         BN_rand(b,sizes[j],1,0);
 225                         Time_F(START);
 226                         for (k=0; k<100000; k++)
 227                                 BN_div(r, NULL, b, a,ctx);
 228                         tm=Time_F(STOP);
 229                         printf("div %4d / %4d -> %8.3fms\n",sizes[j],sizes[i]-1,tm*1000.0/num);
 230                         }
 231                 }
 232         }
 233