1 /* crypto/bn/bnspeed.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
59 /* most of this code has been pilfered from my libdes speed.c program */
61 #define BASENUM 1000000
63 #define PROG bnspeed_main
69 #include <openssl/crypto.h>
70 #include <openssl/err.h>
72 #if !defined(MSDOS) && (!defined(VMS) || defined(__DECC))
80 #include <sys/types.h>
81 #include <sys/times.h>
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(VMS) && defined(__DECC) && !defined(__TMS)
93 #include <sys/timeb.h>
96 #if defined(sun) || defined(__ultrix)
99 #include <sys/param.h>
102 #include <openssl/bn.h>
103 #include <openssl/x509.h>
105 /* The following if from times(3) man page. It may need to be changed */
108 # ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
110 # else /* _BSD_CLK_TCK_ */
111 # define HZ ((double)_BSD_CLK_TCK_)
114 # define HZ ((double)CLK_TCK)
119 #define BUFSIZE ((long)1024*8)
122 static double Time_F(int s);
126 static double Time_F(int s)
130 static struct tms tstart,tend;
140 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
141 return((ret < 1e-3)?1e-3:ret);
144 static struct timeb tstart,tend;
155 i=(long)tend.millitm-(long)tstart.millitm;
156 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
157 return((ret < 0.001)?0.001:ret);
163 static int sizes[NUM_SIZES]={128,256,512,1024,2048};
164 /*static int sizes[NUM_SIZES]={59,179,299,419,539}; */
166 void do_mul(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_CTX *ctx);
168 int main(int argc, char **argv)
178 do_mul(&a,&b,&c,ctx);
181 void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
187 for (i=0; i<NUM_SIZES; i++)
191 BN_rand(a,sizes[i],1,0);
192 for (j=i; j<NUM_SIZES; j++)
194 BN_rand(b,sizes[j],1,0);
196 for (k=0; k<num; k++)
199 printf("mul %4d x %4d -> %8.3fms\n",sizes[i],sizes[j],tm*1000.0/num);
203 for (i=0; i<NUM_SIZES; i++)
207 BN_rand(a,sizes[i],1,0);
209 for (k=0; k<num; k++)
212 printf("sqr %4d x %4d -> %8.3fms\n",sizes[i],sizes[i],tm*1000.0/num);
215 for (i=0; i<NUM_SIZES; i++)
219 BN_rand(a,sizes[i]-1,1,0);
220 for (j=i; j<NUM_SIZES; j++)
222 BN_rand(b,sizes[j],1,0);
224 for (k=0; k<100000; k++)
225 BN_div(r, NULL, b, a,ctx);
227 printf("div %4d / %4d -> %8.3fms\n",sizes[j],sizes[i]-1,tm*1000.0/num);