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1/*
2 * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
3 *
4 * The contents of this file constitute Original Code as defined in and are
5 * subject to the Apple Public Source License Version 1.2 (the 'License').
6 * You may not use this file except in compliance with the License. Please obtain
7 * a copy of the License at http://www.apple.com/publicsource and read it before
8 * using this file.
9 *
10 * This Original Code and all software distributed under the License are
11 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
12 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
13 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
14 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
15 * specific language governing rights and limitations under the License.
16 */
17
18
19/* unused */
20
21/* crypto/bn/bnspeed.c */
22/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
23 * All rights reserved.
24 *
25 * This package is an SSL implementation written
26 * by Eric Young (eay@cryptsoft.com).
27 * The implementation was written so as to conform with Netscapes SSL.
28 *
29 * This library is free for commercial and non-commercial use as long as
30 * the following conditions are aheared to. The following conditions
31 * apply to all code found in this distribution, be it the RC4, RSA,
32 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
33 * included with this distribution is covered by the same copyright terms
34 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
35 *
36 * Copyright remains Eric Young's, and as such any Copyright notices in
37 * the code are not to be removed.
38 * If this package is used in a product, Eric Young should be given attribution
39 * as the author of the parts of the library used.
40 * This can be in the form of a textual message at program startup or
41 * in documentation (online or textual) provided with the package.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. All advertising materials mentioning features or use of this software
52 * must display the following acknowledgement:
53 * "This product includes cryptographic software written by
54 * Eric Young (eay@cryptsoft.com)"
55 * The word 'cryptographic' can be left out if the rouines from the library
56 * being used are not cryptographic related :-).
57 * 4. If you include any Windows specific code (or a derivative thereof) from
58 * the apps directory (application code) you must include an acknowledgement:
59 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
60 *
61 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
63 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
64 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
65 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
66 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
67 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
69 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
71 * SUCH DAMAGE.
72 *
73 * The licence and distribution terms for any publically available version or
74 * derivative of this code cannot be changed. i.e. this code cannot simply be
75 * copied and put under another distribution licence
76 * [including the GNU Public Licence.]
77 */
78
79/* most of this code has been pilfered from my libdes speed.c program */
80
81#define BASENUM 1000000
82#undef PROG
83#define PROG bnspeed_main
84
85#include <stdio.h>
86#include <stdlib.h>
87#include <signal.h>
88#include <string.h>
89#include <openssl/crypto.h>
90#include <openssl/err.h>
91
92#if !defined(MSDOS) && (!defined(VMS) || defined(__DECC))
93#define TIMES
94#endif
95
96#ifndef _IRIX
97#include <time.h>
98#endif
99#ifdef TIMES
100#include <sys/types.h>
101#include <sys/times.h>
102#endif
103
104/* Depending on the VMS version, the tms structure is perhaps defined.
105 The __TMS macro will show if it was. If it wasn't defined, we should
106 undefine TIMES, since that tells the rest of the program how things
107 should be handled. -- Richard Levitte */
108#if defined(VMS) && defined(__DECC) && !defined(__TMS)
109#undef TIMES
110#endif
111
112#ifndef TIMES
113#include <sys/timeb.h>
114#endif
115
116#if defined(sun) || defined(__ultrix)
117#define _POSIX_SOURCE
118#include <limits.h>
119#include <sys/param.h>
120#endif
121
122#include <openssl/bn.h>
123#include <openssl/x509.h>
124
125/* The following if from times(3) man page. It may need to be changed */
126#ifndef HZ
127# ifndef CLK_TCK
128# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
129# define HZ 100.0
130# else /* _BSD_CLK_TCK_ */
131# define HZ ((double)_BSD_CLK_TCK_)
132# endif
133# else /* CLK_TCK */
134# define HZ ((double)CLK_TCK)
135# endif
136#endif
137
138#undef BUFSIZE
139#define BUFSIZE ((long)1024*8)
140int run=0;
141
142static double Time_F(int s);
143#define START 0
144#define STOP 1
145
146static double Time_F(int s)
147 {
148 double ret;
149#ifdef TIMES
150 static struct tms tstart,tend;
151
152 if (s == START)
153 {
154 times(&tstart);
155 return(0);
156 }
157 else
158 {
159 times(&tend);
160 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
161 return((ret < 1e-3)?1e-3:ret);
162 }
163#else /* !times() */
164 static struct timeb tstart,tend;
165 long i;
166
167 if (s == START)
168 {
169 ftime(&tstart);
170 return(0);
171 }
172 else
173 {
174 ftime(&tend);
175 i=(long)tend.millitm-(long)tstart.millitm;
176 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
177 return((ret < 0.001)?0.001:ret);
178 }
179#endif
180 }
181
182#define NUM_SIZES 5
183static int sizes[NUM_SIZES]={128,256,512,1024,2048};
184/*static int sizes[NUM_SIZES]={59,179,299,419,539}; */
185
186void do_mul(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_CTX *ctx);
187
188int main(int argc, char **argv)
189 {
190 BN_CTX *ctx;
191 BIGNUM a,b,c;
192
193 ctx=BN_CTX_new();
194 BN_init(&a);
195 BN_init(&b);
196 BN_init(&c);
197
198 do_mul(&a,&b,&c,ctx);
199 }
200
201void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
202 {
203 int i,j,k;
204 double tm;
205 long num;
206
207 for (i=0; i<NUM_SIZES; i++)
208 {
209 num=BASENUM;
210 if (i) num/=(i*3);
211 BN_rand(a,sizes[i],1,0);
212 for (j=i; j<NUM_SIZES; j++)
213 {
214 BN_rand(b,sizes[j],1,0);
215 Time_F(START);
216 for (k=0; k<num; k++)
217 BN_mul(r,b,a,ctx);
218 tm=Time_F(STOP);
219 printf("mul %4d x %4d -> %8.3fms\n",sizes[i],sizes[j],tm*1000.0/num);
220 }
221 }
222
223 for (i=0; i<NUM_SIZES; i++)
224 {
225 num=BASENUM;
226 if (i) num/=(i*3);
227 BN_rand(a,sizes[i],1,0);
228 Time_F(START);
229 for (k=0; k<num; k++)
230 BN_sqr(r,a,ctx);
231 tm=Time_F(STOP);
232 printf("sqr %4d x %4d -> %8.3fms\n",sizes[i],sizes[i],tm*1000.0/num);
233 }
234
235 for (i=0; i<NUM_SIZES; i++)
236 {
237 num=BASENUM/10;
238 if (i) num/=(i*3);
239 BN_rand(a,sizes[i]-1,1,0);
240 for (j=i; j<NUM_SIZES; j++)
241 {
242 BN_rand(b,sizes[j],1,0);
243 Time_F(START);
244 for (k=0; k<100000; k++)
245 BN_div(r, NULL, b, a,ctx);
246 tm=Time_F(STOP);
247 printf("div %4d / %4d -> %8.3fms\n",sizes[j],sizes[i]-1,tm*1000.0/num);
248 }
249 }
250 }
251