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authorcvs2svn <admin@example.com>2012-07-13 17:49:56 +0000
committercvs2svn <admin@example.com>2012-07-13 17:49:56 +0000
commitee04221ea8063435416c7e6369e6eae76843aa71 (patch)
tree821921a1dd0a5a3cece91121e121cc63c4b68128 /src/lib/libcrypto/bn/bnspeed.c
parentadf6731f6e1d04718aee00cb93435143046aee9a (diff)
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This commit was manufactured by cvs2git to create tag 'eric_g2k12'.eric_g2k12
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diff --git a/src/lib/libcrypto/bn/bnspeed.c b/src/lib/libcrypto/bn/bnspeed.c
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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)
122int run=0;
123
124static double Time_F(int s);
125#define START 0
126#define STOP 1
127
128static 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
165static int sizes[NUM_SIZES]={128,256,512,1024,2048};
166/*static int sizes[NUM_SIZES]={59,179,299,419,539}; */
167
168void do_mul(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_CTX *ctx);
169
170int 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
183void 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
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