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 /*
  87  * Depending on the VMS version, the tms structure is perhaps defined. The
  88  * __TMS macro will show if it was.  If it wasn't defined, we should undefine
  89  * TIMES, since that tells the rest of the program how things should be
  90  * handled.  -- Richard Levitte
  91  */
  92 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
  93 # undef TIMES
  94 #endif
  95
  96 #ifndef TIMES
  97 # include <sys/timeb.h>
  98 #endif
  99
 100 #if defined(sun) || defined(__ultrix)
 101 # define _POSIX_SOURCE
 102 # include <limits.h>
 103 # include <sys/param.h>
 104 #endif
 105
 106 #include <openssl/bn.h>
 107 #include <openssl/x509.h>
 108
 109 /* The following if from times(3) man page.  It may need to be changed */
 110 #ifndef HZ
 111 # ifndef CLK_TCK
 112 #  ifndef _BSD_CLK_TCK_         /* FreeBSD hack */
 113 #   define HZ   100.0
 114 #  else                         /* _BSD_CLK_TCK_ */
 115 #   define HZ ((double)_BSD_CLK_TCK_)
 116 #  endif
 117 # else                          /* CLK_TCK */
 118 #  define HZ ((double)CLK_TCK)
 119 # endif
 120 #endif
 121
 122 #undef BUFSIZE
 123 #define BUFSIZE ((long)1024*8)
 124 int run = 0;
 125
 126 static double Time_F(int s);
 127 #define START   0
 128 #define STOP    1
 129
 130 static double Time_F(int s)
 131 {
 132     double ret;
 133 #ifdef TIMES
 134     static struct tms tstart, tend;
 135
 136     if (s == START) {
 137         times(&tstart);
 138         return (0);
 139     } else {
 140         times(&tend);
 141         ret = ((double)(tend.tms_utime - tstart.tms_utime)) / HZ;
 142         return ((ret < 1e-3) ? 1e-3 : ret);
 143     }
 144 #else                           /* !times() */
 145     static struct timeb tstart, tend;
 146     long i;
 147
 148     if (s == START) {
 149         ftime(&tstart);
 150         return (0);
 151     } else {
 152         ftime(&tend);
 153         i = (long)tend.millitm - (long)tstart.millitm;
 154         ret = ((double)(tend.time - tstart.time)) + ((double)i) / 1000.0;
 155         return ((ret < 0.001) ? 0.001 : ret);
 156     }
 157 #endif
 158 }
 159
 160 #define NUM_SIZES       5
 161 static int sizes[NUM_SIZES] = { 128, 256, 512, 1024, 2048 };
 162
 163 /*
 164  * static int sizes[NUM_SIZES]={59,179,299,419,539};
 165  */
 166
 167 void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx);
 168
 169 int main(int argc, char **argv)
 170 {
 171     BN_CTX *ctx;
 172     BIGNUM a, b, c;
 173
 174     ctx = BN_CTX_new();
 175     BN_init(&a);
 176     BN_init(&b);
 177     BN_init(&c);
 178
 179     do_mul(&a, &b, &c, ctx);
 180 }
 181
 182 void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
 183 {
 184     int i, j, k;
 185     double tm;
 186     long num;
 187
 188     for (i = 0; i < NUM_SIZES; i++) {
 189         num = BASENUM;
 190         if (i)
 191             num /= (i * 3);
 192         BN_rand(a, sizes[i], 1, 0);
 193         for (j = i; j < NUM_SIZES; j++) {
 194             BN_rand(b, sizes[j], 1, 0);
 195             Time_F(START);
 196             for (k = 0; k < num; k++)
 197                 BN_mul(r, b, a, ctx);
 198             tm = Time_F(STOP);
 199             printf("mul %4d x %4d -> %8.3fms\n", sizes[i], sizes[j],
 200                    tm * 1000.0 / num);
 201         }
 202     }
 203
 204     for (i = 0; i < NUM_SIZES; i++) {
 205         num = BASENUM;
 206         if (i)
 207             num /= (i * 3);
 208         BN_rand(a, sizes[i], 1, 0);
 209         Time_F(START);
 210         for (k = 0; k < num; k++)
 211             BN_sqr(r, a, ctx);
 212         tm = Time_F(STOP);
 213         printf("sqr %4d x %4d -> %8.3fms\n", sizes[i], sizes[i],
 214                tm * 1000.0 / num);
 215     }
 216
 217     for (i = 0; i < NUM_SIZES; i++) {
 218         num = BASENUM / 10;
 219         if (i)
 220             num /= (i * 3);
 221         BN_rand(a, sizes[i] - 1, 1, 0);
 222         for (j = i; j < NUM_SIZES; j++) {
 223             BN_rand(b, sizes[j], 1, 0);
 224             Time_F(START);
 225             for (k = 0; k < 100000; k++)
 226                 BN_div(r, NULL, b, a, ctx);
 227             tm = Time_F(STOP);
 228             printf("div %4d / %4d -> %8.3fms\n", sizes[j], sizes[i] - 1,
 229                    tm * 1000.0 / num);
 230         }
 231     }
 232 }