1 /* crypto/cast/castopts.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 /* define PART1, PART2, PART3 or PART4 to build only with a few of the options.
60  * This is for machines with 64k code segment size restrictions. */
61 
62 #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC))
63 #define TIMES
64 #endif
65 
66 #include <stdio.h>
67 
68 #include <openssl/e_os2.h>
69 #include <unistd.h>
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/cast.h>
103 
104 #define CAST_DEFAULT_OPTIONS
105 
106 #undef E_CAST
107 #define CAST_encrypt  CAST_encrypt_normal
108 #define CAST_decrypt  CAST_decrypt_normal
109 #define CAST_cbc_encrypt  CAST_cbc_encrypt_normal
110 #undef HEADER_CAST_LOCL_H
111 #include "c_enc.c"
112 
113 #define CAST_PTR
114 #undef CAST_PTR2
115 #undef E_CAST
116 #undef CAST_encrypt
117 #undef CAST_decrypt
118 #undef CAST_cbc_encrypt
119 #define CAST_encrypt  CAST_encrypt_ptr
120 #define CAST_decrypt  CAST_decrypt_ptr
121 #define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr
122 #undef HEADER_CAST_LOCL_H
123 #include "c_enc.c"
124 
125 #undef CAST_PTR
126 #define CAST_PTR2
127 #undef E_CAST
128 #undef CAST_encrypt
129 #undef CAST_decrypt
130 #undef CAST_cbc_encrypt
131 #define CAST_encrypt  CAST_encrypt_ptr2
132 #define CAST_decrypt  CAST_decrypt_ptr2
133 #define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr2
134 #undef HEADER_CAST_LOCL_H
135 #include "c_enc.c"
136 
137 /* The following if from times(3) man page.  It may need to be changed */
138 #ifndef HZ
139 # ifndef CLK_TCK
140 #  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
141 #   define HZ	100.0
142 #  else /* _BSD_CLK_TCK_ */
143 #   define HZ ((double)_BSD_CLK_TCK_)
144 #  endif
145 # else /* CLK_TCK */
146 #  define HZ ((double)CLK_TCK)
147 # endif
148 #endif
149 
150 #define BUFSIZE	((long)1024)
151 long run=0;
152 
153 double Time_F(int s);
154 #ifdef SIGALRM
155 #if defined(__STDC__) || defined(sgi)
156 #define SIGRETTYPE void
157 #else
158 #define SIGRETTYPE int
159 #endif
160 
161 SIGRETTYPE sig_done(int sig);
162 SIGRETTYPE sig_done(int sig)
163 	{
164 	signal(SIGALRM,sig_done);
165 	run=0;
166 #ifdef LINT
167 	sig=sig;
168 #endif
169 	}
170 #endif
171 
172 #define START	0
173 #define STOP	1
174 
175 double Time_F(int s)
176 	{
177 	double ret;
178 #ifdef TIMES
179 	static struct tms tstart,tend;
180 
181 	if (s == START)
182 		{
183 		times(&tstart);
184 		return(0);
185 		}
186 	else
187 		{
188 		times(&tend);
189 		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
190 		return((ret == 0.0)?1e-6:ret);
191 		}
192 #else /* !times() */
193 	static struct timeb tstart,tend;
194 	long i;
195 
196 	if (s == START)
197 		{
198 		ftime(&tstart);
199 		return(0);
200 		}
201 	else
202 		{
203 		ftime(&tend);
204 		i=(long)tend.millitm-(long)tstart.millitm;
205 		ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
206 		return((ret == 0.0)?1e-6:ret);
207 		}
208 #endif
209 	}
210 
211 #ifdef SIGALRM
212 #define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
213 #else
214 #define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
215 #endif
216 
217 #define time_it(func,name,index) \
218 	print_name(name); \
219 	Time_F(START); \
220 	for (count=0,run=1; COND(cb); count+=4) \
221 		{ \
222 		CAST_LONG d[2]; \
223 		func(d,&sch); \
224 		func(d,&sch); \
225 		func(d,&sch); \
226 		func(d,&sch); \
227 		} \
228 	tm[index]=Time_F(STOP); \
229 	fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
230 	tm[index]=((double)COUNT(cb))/tm[index];
231 
232 #define print_it(name,index) \
233 	fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
234 		tm[index]*8,1.0e6/tm[index]);
235 
236 int main(int argc, char **argv)
237 	{
238 	long count;
239 	static unsigned char buf[BUFSIZE];
240 	static char key[16]={	0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
241 				0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
242 	CAST_KEY sch;
243 	double d,tm[16],max=0;
244 	int rank[16];
245 	char *str[16];
246 	int max_idx=0,i,num=0,j;
247 #ifndef SIGALARM
248 	long ca,cb,cc,cd,ce;
249 #endif
250 
251 	for (i=0; i<12; i++)
252 		{
253 		tm[i]=0.0;
254 		rank[i]=0;
255 		}
256 
257 #ifndef TIMES
258 	fprintf(stderr,"To get the most accurate results, try to run this\n");
259 	fprintf(stderr,"program when this computer is idle.\n");
260 #endif
261 
262 	CAST_set_key(&sch,16,key);
263 
264 #ifndef SIGALRM
265 	fprintf(stderr,"First we calculate the approximate speed ...\n");
266 	count=10;
267 	do	{
268 		long i;
269 		CAST_LONG data[2];
270 
271 		count*=2;
272 		Time_F(START);
273 		for (i=count; i; i--)
274 			CAST_encrypt(data,&sch);
275 		d=Time_F(STOP);
276 		} while (d < 3.0);
277 	ca=count;
278 	cb=count*3;
279 	cc=count*3*8/BUFSIZE+1;
280 	cd=count*8/BUFSIZE+1;
281 
282 	ce=count/20+1;
283 #define COND(d) (count != (d))
284 #define COUNT(d) (d)
285 #else
286 #define COND(c) (run)
287 #define COUNT(d) (count)
288         signal(SIGALRM,sig_done);
289         alarm(10);
290 #endif
291 
292 	time_it(CAST_encrypt_normal,	"CAST_encrypt_normal ", 0);
293 	time_it(CAST_encrypt_ptr,	"CAST_encrypt_ptr    ", 1);
294 	time_it(CAST_encrypt_ptr2,	"CAST_encrypt_ptr2   ", 2);
295 	num+=3;
296 
297 	str[0]="<nothing>";
298 	print_it("CAST_encrypt_normal ",0);
299 	max=tm[0];
300 	max_idx=0;
301 	str[1]="ptr      ";
302 	print_it("CAST_encrypt_ptr ",1);
303 	if (max < tm[1]) { max=tm[1]; max_idx=1; }
304 	str[2]="ptr2     ";
305 	print_it("CAST_encrypt_ptr2 ",2);
306 	if (max < tm[2]) { max=tm[2]; max_idx=2; }
307 
308 	printf("options    CAST ecb/s\n");
309 	printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
310 	d=tm[max_idx];
311 	tm[max_idx]= -2.0;
312 	max= -1.0;
313 	for (;;)
314 		{
315 		for (i=0; i<3; i++)
316 			{
317 			if (max < tm[i]) { max=tm[i]; j=i; }
318 			}
319 		if (max < 0.0) break;
320 		printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
321 		tm[j]= -2.0;
322 		max= -1.0;
323 		}
324 
325 	switch (max_idx)
326 		{
327 	case 0:
328 		printf("-DCAST_DEFAULT_OPTIONS\n");
329 		break;
330 	case 1:
331 		printf("-DCAST_PTR\n");
332 		break;
333 	case 2:
334 		printf("-DCAST_PTR2\n");
335 		break;
336 		}
337 	exit(0);
338 #if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
339 	return(0);
340 #endif
341 	}
342 
343