castopts.c revision 109998
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 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(OPENSSL_SYS_VMS_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/cast.h>
100
101#define CAST_DEFAULT_OPTIONS
102
103#undef E_CAST
104#define CAST_encrypt  CAST_encrypt_normal
105#define CAST_decrypt  CAST_decrypt_normal
106#define CAST_cbc_encrypt  CAST_cbc_encrypt_normal
107#undef HEADER_CAST_LOCL_H
108#include "c_enc.c"
109
110#define CAST_PTR
111#undef CAST_PTR2
112#undef E_CAST
113#undef CAST_encrypt
114#undef CAST_decrypt
115#undef CAST_cbc_encrypt
116#define CAST_encrypt  CAST_encrypt_ptr
117#define CAST_decrypt  CAST_decrypt_ptr
118#define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr
119#undef HEADER_CAST_LOCL_H
120#include "c_enc.c"
121
122#undef CAST_PTR
123#define CAST_PTR2
124#undef E_CAST
125#undef CAST_encrypt
126#undef CAST_decrypt
127#undef CAST_cbc_encrypt
128#define CAST_encrypt  CAST_encrypt_ptr2
129#define CAST_decrypt  CAST_decrypt_ptr2
130#define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr2
131#undef HEADER_CAST_LOCL_H
132#include "c_enc.c"
133
134/* The following if from times(3) man page.  It may need to be changed */
135#ifndef HZ
136# ifndef CLK_TCK
137#  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
138#   define HZ	100.0
139#  else /* _BSD_CLK_TCK_ */
140#   define HZ ((double)_BSD_CLK_TCK_)
141#  endif
142# else /* CLK_TCK */
143#  define HZ ((double)CLK_TCK)
144# endif
145#endif
146
147#define BUFSIZE	((long)1024)
148long run=0;
149
150double Time_F(int s);
151#ifdef SIGALRM
152#if defined(__STDC__) || defined(sgi)
153#define SIGRETTYPE void
154#else
155#define SIGRETTYPE int
156#endif
157
158SIGRETTYPE sig_done(int sig);
159SIGRETTYPE sig_done(int sig)
160	{
161	signal(SIGALRM,sig_done);
162	run=0;
163#ifdef LINT
164	sig=sig;
165#endif
166	}
167#endif
168
169#define START	0
170#define STOP	1
171
172double Time_F(int s)
173	{
174	double ret;
175#ifdef TIMES
176	static struct tms tstart,tend;
177
178	if (s == START)
179		{
180		times(&tstart);
181		return(0);
182		}
183	else
184		{
185		times(&tend);
186		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
187		return((ret == 0.0)?1e-6:ret);
188		}
189#else /* !times() */
190	static struct timeb tstart,tend;
191	long i;
192
193	if (s == START)
194		{
195		ftime(&tstart);
196		return(0);
197		}
198	else
199		{
200		ftime(&tend);
201		i=(long)tend.millitm-(long)tstart.millitm;
202		ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
203		return((ret == 0.0)?1e-6:ret);
204		}
205#endif
206	}
207
208#ifdef SIGALRM
209#define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
210#else
211#define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
212#endif
213
214#define time_it(func,name,index) \
215	print_name(name); \
216	Time_F(START); \
217	for (count=0,run=1; COND(cb); count+=4) \
218		{ \
219		unsigned long d[2]; \
220		func(d,&sch); \
221		func(d,&sch); \
222		func(d,&sch); \
223		func(d,&sch); \
224		} \
225	tm[index]=Time_F(STOP); \
226	fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
227	tm[index]=((double)COUNT(cb))/tm[index];
228
229#define print_it(name,index) \
230	fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
231		tm[index]*8,1.0e6/tm[index]);
232
233int main(int argc, char **argv)
234	{
235	long count;
236	static unsigned char buf[BUFSIZE];
237	static char key[16]={	0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
238				0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
239	CAST_KEY sch;
240	double d,tm[16],max=0;
241	int rank[16];
242	char *str[16];
243	int max_idx=0,i,num=0,j;
244#ifndef SIGALARM
245	long ca,cb,cc,cd,ce;
246#endif
247
248	for (i=0; i<12; i++)
249		{
250		tm[i]=0.0;
251		rank[i]=0;
252		}
253
254#ifndef TIMES
255	fprintf(stderr,"To get the most accurate results, try to run this\n");
256	fprintf(stderr,"program when this computer is idle.\n");
257#endif
258
259	CAST_set_key(&sch,16,key);
260
261#ifndef SIGALRM
262	fprintf(stderr,"First we calculate the approximate speed ...\n");
263	count=10;
264	do	{
265		long i;
266		unsigned long data[2];
267
268		count*=2;
269		Time_F(START);
270		for (i=count; i; i--)
271			CAST_encrypt(data,&sch);
272		d=Time_F(STOP);
273		} while (d < 3.0);
274	ca=count;
275	cb=count*3;
276	cc=count*3*8/BUFSIZE+1;
277	cd=count*8/BUFSIZE+1;
278
279	ce=count/20+1;
280#define COND(d) (count != (d))
281#define COUNT(d) (d)
282#else
283#define COND(c) (run)
284#define COUNT(d) (count)
285        signal(SIGALRM,sig_done);
286        alarm(10);
287#endif
288
289	time_it(CAST_encrypt_normal,	"CAST_encrypt_normal ", 0);
290	time_it(CAST_encrypt_ptr,	"CAST_encrypt_ptr    ", 1);
291	time_it(CAST_encrypt_ptr2,	"CAST_encrypt_ptr2   ", 2);
292	num+=3;
293
294	str[0]="<nothing>";
295	print_it("CAST_encrypt_normal ",0);
296	max=tm[0];
297	max_idx=0;
298	str[1]="ptr      ";
299	print_it("CAST_encrypt_ptr ",1);
300	if (max < tm[1]) { max=tm[1]; max_idx=1; }
301	str[2]="ptr2     ";
302	print_it("CAST_encrypt_ptr2 ",2);
303	if (max < tm[2]) { max=tm[2]; max_idx=2; }
304
305	printf("options    CAST ecb/s\n");
306	printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
307	d=tm[max_idx];
308	tm[max_idx]= -2.0;
309	max= -1.0;
310	for (;;)
311		{
312		for (i=0; i<3; i++)
313			{
314			if (max < tm[i]) { max=tm[i]; j=i; }
315			}
316		if (max < 0.0) break;
317		printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
318		tm[j]= -2.0;
319		max= -1.0;
320		}
321
322	switch (max_idx)
323		{
324	case 0:
325		printf("-DCAST_DEFAULT_OPTIONS\n");
326		break;
327	case 1:
328		printf("-DCAST_PTR\n");
329		break;
330	case 2:
331		printf("-DCAST_PTR2\n");
332		break;
333		}
334	exit(0);
335#if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
336	return(0);
337#endif
338	}
339
340