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1 /* crypto/rc2/rc2speed.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(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
63 #define TIMES
64 #endif
65 
66 #include <stdio.h>
67 
68 #include <openssl/e_os2.h>
69 #include OPENSSL_UNISTD_IO
70 OPENSSL_DECLARE_EXIT
71 
72 #ifndef OPENSSL_SYS_NETWARE
73 #include <signal.h>
74 #endif
75 
76 #ifndef _IRIX
77 #include <time.h>
78 #endif
79 #ifdef TIMES
80 #include <sys/types.h>
81 #include <sys/times.h>
82 #endif
83 
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(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
89 #undef TIMES
90 #endif
91 
92 #ifndef TIMES
93 #include <sys/timeb.h>
94 #endif
95 
96 #if defined(sun) || defined(__ultrix)
97 #define _POSIX_SOURCE
98 #include <limits.h>
99 #include <sys/param.h>
100 #endif
101 
102 #include <openssl/rc2.h>
103 
104 /* The following if from times(3) man page.  It may need to be changed */
105 #ifndef HZ
106 #ifndef CLK_TCK
107 #define HZ	100.0
108 #else	/* CLK_TCK */
109 #define HZ ((double)CLK_TCK)
110 #endif	/* CLK_TCK */
111 #endif	/* HZ */
112 
113 #define BUFSIZE	((long)1024)
114 long run=0;
115 
116 double Time_F(int s);
117 #ifdef SIGALRM
118 #if defined(__STDC__) || defined(sgi) || defined(_AIX)
119 #define SIGRETTYPE void
120 #else
121 #define SIGRETTYPE int
122 #endif
123 
124 SIGRETTYPE sig_done(int sig);
sig_done(int sig)125 SIGRETTYPE sig_done(int sig)
126 	{
127 	signal(SIGALRM,sig_done);
128 	run=0;
129 #ifdef LINT
130 	sig=sig;
131 #endif
132 	}
133 #endif
134 
135 #define START	0
136 #define STOP	1
137 
Time_F(int s)138 double Time_F(int s)
139 	{
140 	double ret;
141 #ifdef TIMES
142 	static struct tms tstart,tend;
143 
144 	if (s == START)
145 		{
146 		times(&tstart);
147 		return(0);
148 		}
149 	else
150 		{
151 		times(&tend);
152 		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
153 		return((ret == 0.0)?1e-6:ret);
154 		}
155 #else /* !times() */
156 	static struct timeb tstart,tend;
157 	long i;
158 
159 	if (s == START)
160 		{
161 		ftime(&tstart);
162 		return(0);
163 		}
164 	else
165 		{
166 		ftime(&tend);
167 		i=(long)tend.millitm-(long)tstart.millitm;
168 		ret=((double)(tend.time-tstart.time))+((double)i)/1e3;
169 		return((ret == 0.0)?1e-6:ret);
170 		}
171 #endif
172 	}
173 
main(int argc,char ** argv)174 int main(int argc, char **argv)
175 	{
176 	long count;
177 	static unsigned char buf[BUFSIZE];
178 	static unsigned char key[] ={
179 			0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
180 			0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
181 			};
182 	RC2_KEY sch;
183 	double a,b,c,d;
184 #ifndef SIGALRM
185 	long ca,cb,cc;
186 #endif
187 
188 #ifndef TIMES
189 	printf("To get the most accurate results, try to run this\n");
190 	printf("program when this computer is idle.\n");
191 #endif
192 
193 #ifndef SIGALRM
194 	printf("First we calculate the approximate speed ...\n");
195 	RC2_set_key(&sch,16,key,128);
196 	count=10;
197 	do	{
198 		long i;
199 		unsigned long data[2];
200 
201 		count*=2;
202 		Time_F(START);
203 		for (i=count; i; i--)
204 			RC2_encrypt(data,&sch);
205 		d=Time_F(STOP);
206 		} while (d < 3.0);
207 	ca=count/512;
208 	cb=count;
209 	cc=count*8/BUFSIZE+1;
210 	printf("Doing RC2_set_key %ld times\n",ca);
211 #define COND(d)	(count != (d))
212 #define COUNT(d) (d)
213 #else
214 #define COND(c)	(run)
215 #define COUNT(d) (count)
216 	signal(SIGALRM,sig_done);
217 	printf("Doing RC2_set_key for 10 seconds\n");
218 	alarm(10);
219 #endif
220 
221 	Time_F(START);
222 	for (count=0,run=1; COND(ca); count+=4)
223 		{
224 		RC2_set_key(&sch,16,key,128);
225 		RC2_set_key(&sch,16,key,128);
226 		RC2_set_key(&sch,16,key,128);
227 		RC2_set_key(&sch,16,key,128);
228 		}
229 	d=Time_F(STOP);
230 	printf("%ld RC2_set_key's in %.2f seconds\n",count,d);
231 	a=((double)COUNT(ca))/d;
232 
233 #ifdef SIGALRM
234 	printf("Doing RC2_encrypt's for 10 seconds\n");
235 	alarm(10);
236 #else
237 	printf("Doing RC2_encrypt %ld times\n",cb);
238 #endif
239 	Time_F(START);
240 	for (count=0,run=1; COND(cb); count+=4)
241 		{
242 		unsigned long data[2];
243 
244 		RC2_encrypt(data,&sch);
245 		RC2_encrypt(data,&sch);
246 		RC2_encrypt(data,&sch);
247 		RC2_encrypt(data,&sch);
248 		}
249 	d=Time_F(STOP);
250 	printf("%ld RC2_encrypt's in %.2f second\n",count,d);
251 	b=((double)COUNT(cb)*8)/d;
252 
253 #ifdef SIGALRM
254 	printf("Doing RC2_cbc_encrypt on %ld byte blocks for 10 seconds\n",
255 		BUFSIZE);
256 	alarm(10);
257 #else
258 	printf("Doing RC2_cbc_encrypt %ld times on %ld byte blocks\n",cc,
259 		BUFSIZE);
260 #endif
261 	Time_F(START);
262 	for (count=0,run=1; COND(cc); count++)
263 		RC2_cbc_encrypt(buf,buf,BUFSIZE,&sch,
264 			&(key[0]),RC2_ENCRYPT);
265 	d=Time_F(STOP);
266 	printf("%ld RC2_cbc_encrypt's of %ld byte blocks in %.2f second\n",
267 		count,BUFSIZE,d);
268 	c=((double)COUNT(cc)*BUFSIZE)/d;
269 
270 	printf("RC2 set_key       per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);
271 	printf("RC2 raw ecb bytes per sec = %12.2f (%9.3fuS)\n",b,8.0e6/b);
272 	printf("RC2 cbc     bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);
273 	exit(0);
274 #if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
275 	return(0);
276 #endif
277 	}
278