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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)
122 int run=0;
123 
124 static double Time_F(int s);
125 #define START	0
126 #define STOP	1
127 
Time_F(int s)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 
main(int argc,char ** argv)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 
do_mul(BIGNUM * r,BIGNUM * a,BIGNUM * b,BN_CTX * ctx)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 
234