rc5speed.c revision 59191
1/* crypto/rc5/rc5speed.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59/* 11-Sep-92 Andrew Daviel   Support for Silicon Graphics IRIX added */
60/* 06-Apr-92 Luke Brennan    Support for VMS and add extra signal calls */
61
62#if !defined(MSDOS) && (!defined(VMS) || defined(__DECC))
63#define TIMES
64#endif
65
66#include <stdio.h>
67
68#include <openssl/e_os2.h>
69#include OPENSSL_UNISTD_IO
70OPENSSL_DECLARE_EXIT
71
72#include <signal.h>
73#ifndef _IRIX
74#include <time.h>
75#endif
76#ifdef TIMES
77#include <sys/types.h>
78#include <sys/times.h>
79#endif
80
81/* Depending on the VMS version, the tms structure is perhaps defined.
82   The __TMS macro will show if it was.  If it wasn't defined, we should
83   undefine TIMES, since that tells the rest of the program how things
84   should be handled.				-- Richard Levitte */
85#if defined(VMS) && defined(__DECC) && !defined(__TMS)
86#undef TIMES
87#endif
88
89#ifndef TIMES
90#include <sys/timeb.h>
91#endif
92
93#if defined(sun) || defined(__ultrix)
94#define _POSIX_SOURCE
95#include <limits.h>
96#include <sys/param.h>
97#endif
98
99#include <openssl/rc5.h>
100
101/* The following if from times(3) man page.  It may need to be changed */
102#ifndef HZ
103#ifndef CLK_TCK
104#define HZ	100.0
105#else /* CLK_TCK */
106#define HZ ((double)CLK_TCK)
107#endif
108#endif
109
110#define BUFSIZE	((long)1024)
111long run=0;
112
113double Time_F(int s);
114#ifdef SIGALRM
115#if defined(__STDC__) || defined(sgi) || defined(_AIX)
116#define SIGRETTYPE void
117#else
118#define SIGRETTYPE int
119#endif
120
121SIGRETTYPE sig_done(int sig);
122SIGRETTYPE sig_done(int sig)
123	{
124	signal(SIGALRM,sig_done);
125	run=0;
126#ifdef LINT
127	sig=sig;
128#endif
129	}
130#endif
131
132#define START	0
133#define STOP	1
134
135double Time_F(int s)
136	{
137	double ret;
138#ifdef TIMES
139	static struct tms tstart,tend;
140
141	if (s == START)
142		{
143		times(&tstart);
144		return(0);
145		}
146	else
147		{
148		times(&tend);
149		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
150		return((ret == 0.0)?1e-6:ret);
151		}
152#else /* !times() */
153	static struct timeb tstart,tend;
154	long i;
155
156	if (s == START)
157		{
158		ftime(&tstart);
159		return(0);
160		}
161	else
162		{
163		ftime(&tend);
164		i=(long)tend.millitm-(long)tstart.millitm;
165		ret=((double)(tend.time-tstart.time))+((double)i)/1e3;
166		return((ret == 0.0)?1e-6:ret);
167		}
168#endif
169	}
170
171int main(int argc, char **argv)
172	{
173	long count;
174	static unsigned char buf[BUFSIZE];
175	static unsigned char key[] ={
176			0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
177			0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
178			};
179	RC5_32_KEY sch;
180	double a,b,c,d;
181#ifndef SIGALRM
182	long ca,cb,cc;
183#endif
184
185#ifndef TIMES
186	printf("To get the most accurate results, try to run this\n");
187	printf("program when this computer is idle.\n");
188#endif
189
190#ifndef SIGALRM
191	printf("First we calculate the approximate speed ...\n");
192	RC5_32_set_key(&sch,16,key,12);
193	count=10;
194	do	{
195		long i;
196		unsigned long data[2];
197
198		count*=2;
199		Time_F(START);
200		for (i=count; i; i--)
201			RC5_32_encrypt(data,&sch);
202		d=Time_F(STOP);
203		} while (d < 3.0);
204	ca=count/512;
205	cb=count;
206	cc=count*8/BUFSIZE+1;
207	printf("Doing RC5_32_set_key %ld times\n",ca);
208#define COND(d)	(count != (d))
209#define COUNT(d) (d)
210#else
211#define COND(c)	(run)
212#define COUNT(d) (count)
213	signal(SIGALRM,sig_done);
214	printf("Doing RC5_32_set_key for 10 seconds\n");
215	alarm(10);
216#endif
217
218	Time_F(START);
219	for (count=0,run=1; COND(ca); count+=4)
220		{
221		RC5_32_set_key(&sch,16,key,12);
222		RC5_32_set_key(&sch,16,key,12);
223		RC5_32_set_key(&sch,16,key,12);
224		RC5_32_set_key(&sch,16,key,12);
225		}
226	d=Time_F(STOP);
227	printf("%ld RC5_32_set_key's in %.2f seconds\n",count,d);
228	a=((double)COUNT(ca))/d;
229
230#ifdef SIGALRM
231	printf("Doing RC5_32_encrypt's for 10 seconds\n");
232	alarm(10);
233#else
234	printf("Doing RC5_32_encrypt %ld times\n",cb);
235#endif
236	Time_F(START);
237	for (count=0,run=1; COND(cb); count+=4)
238		{
239		unsigned long data[2];
240
241		RC5_32_encrypt(data,&sch);
242		RC5_32_encrypt(data,&sch);
243		RC5_32_encrypt(data,&sch);
244		RC5_32_encrypt(data,&sch);
245		}
246	d=Time_F(STOP);
247	printf("%ld RC5_32_encrypt's in %.2f second\n",count,d);
248	b=((double)COUNT(cb)*8)/d;
249
250#ifdef SIGALRM
251	printf("Doing RC5_32_cbc_encrypt on %ld byte blocks for 10 seconds\n",
252		BUFSIZE);
253	alarm(10);
254#else
255	printf("Doing RC5_32_cbc_encrypt %ld times on %ld byte blocks\n",cc,
256		BUFSIZE);
257#endif
258	Time_F(START);
259	for (count=0,run=1; COND(cc); count++)
260		RC5_32_cbc_encrypt(buf,buf,BUFSIZE,&sch,
261			&(key[0]),RC5_ENCRYPT);
262	d=Time_F(STOP);
263	printf("%ld RC5_32_cbc_encrypt's of %ld byte blocks in %.2f second\n",
264		count,BUFSIZE,d);
265	c=((double)COUNT(cc)*BUFSIZE)/d;
266
267	printf("RC5_32/12/16 set_key       per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);
268	printf("RC5_32/12/16 raw ecb bytes per sec = %12.2f (%9.3fuS)\n",b,8.0e6/b);
269	printf("RC5_32/12/16 cbc     bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);
270	exit(0);
271#if defined(LINT) || defined(MSDOS)
272	return(0);
273#endif
274	}
275