1/* crypto/bf/bf_opts.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)) && !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
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/blowfish.h>
100
101#define BF_DEFAULT_OPTIONS
102
103#undef BF_ENC
104#define BF_encrypt  BF_encrypt_normal
105#undef HEADER_BF_LOCL_H
106#include "bf_enc.c"
107
108#define BF_PTR
109#undef BF_PTR2
110#undef BF_ENC
111#undef BF_encrypt
112#define BF_encrypt  BF_encrypt_ptr
113#undef HEADER_BF_LOCL_H
114#include "bf_enc.c"
115
116#undef BF_PTR
117#define BF_PTR2
118#undef BF_ENC
119#undef BF_encrypt
120#define BF_encrypt  BF_encrypt_ptr2
121#undef HEADER_BF_LOCL_H
122#include "bf_enc.c"
123
124/* The following if from times(3) man page.  It may need to be changed */
125#ifndef HZ
126# ifndef CLK_TCK
127#  ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
128#   define HZ	100.0
129#  else /* _BSD_CLK_TCK_ */
130#   define HZ ((double)_BSD_CLK_TCK_)
131#  endif
132# else /* CLK_TCK */
133#  define HZ ((double)CLK_TCK)
134# endif
135#endif
136
137#define BUFSIZE	((long)1024)
138long run=0;
139
140double Time_F(int s);
141#ifdef SIGALRM
142#if defined(__STDC__) || defined(sgi)
143#define SIGRETTYPE void
144#else
145#define SIGRETTYPE int
146#endif
147
148SIGRETTYPE sig_done(int sig);
149SIGRETTYPE sig_done(int sig)
150	{
151	signal(SIGALRM,sig_done);
152	run=0;
153#ifdef LINT
154	sig=sig;
155#endif
156	}
157#endif
158
159#define START	0
160#define STOP	1
161
162double Time_F(int s)
163	{
164	double ret;
165#ifdef TIMES
166	static struct tms tstart,tend;
167
168	if (s == START)
169		{
170		times(&tstart);
171		return(0);
172		}
173	else
174		{
175		times(&tend);
176		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
177		return((ret == 0.0)?1e-6:ret);
178		}
179#else /* !times() */
180	static struct timeb tstart,tend;
181	long i;
182
183	if (s == START)
184		{
185		ftime(&tstart);
186		return(0);
187		}
188	else
189		{
190		ftime(&tend);
191		i=(long)tend.millitm-(long)tstart.millitm;
192		ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
193		return((ret == 0.0)?1e-6:ret);
194		}
195#endif
196	}
197
198#ifdef SIGALRM
199#define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
200#else
201#define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
202#endif
203
204#define time_it(func,name,index) \
205	print_name(name); \
206	Time_F(START); \
207	for (count=0,run=1; COND(cb); count+=4) \
208		{ \
209		unsigned long d[2]; \
210		func(d,&sch); \
211		func(d,&sch); \
212		func(d,&sch); \
213		func(d,&sch); \
214		} \
215	tm[index]=Time_F(STOP); \
216	fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
217	tm[index]=((double)COUNT(cb))/tm[index];
218
219#define print_it(name,index) \
220	fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
221		tm[index]*8,1.0e6/tm[index]);
222
223int main(int argc, char **argv)
224	{
225	long count;
226	static unsigned char buf[BUFSIZE];
227	static char key[16]={	0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
228				0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
229	BF_KEY sch;
230	double d,tm[16],max=0;
231	int rank[16];
232	char *str[16];
233	int max_idx=0,i,num=0,j;
234#ifndef SIGALARM
235	long ca,cb,cc,cd,ce;
236#endif
237
238	for (i=0; i<12; i++)
239		{
240		tm[i]=0.0;
241		rank[i]=0;
242		}
243
244#ifndef TIMES
245	fprintf(stderr,"To get the most accurate results, try to run this\n");
246	fprintf(stderr,"program when this computer is idle.\n");
247#endif
248
249	BF_set_key(&sch,16,key);
250
251#ifndef SIGALRM
252	fprintf(stderr,"First we calculate the approximate speed ...\n");
253	count=10;
254	do	{
255		long i;
256		unsigned long data[2];
257
258		count*=2;
259		Time_F(START);
260		for (i=count; i; i--)
261			BF_encrypt(data,&sch);
262		d=Time_F(STOP);
263		} while (d < 3.0);
264	ca=count;
265	cb=count*3;
266	cc=count*3*8/BUFSIZE+1;
267	cd=count*8/BUFSIZE+1;
268
269	ce=count/20+1;
270#define COND(d) (count != (d))
271#define COUNT(d) (d)
272#else
273#define COND(c) (run)
274#define COUNT(d) (count)
275        signal(SIGALRM,sig_done);
276        alarm(10);
277#endif
278
279	time_it(BF_encrypt_normal,	"BF_encrypt_normal ", 0);
280	time_it(BF_encrypt_ptr,		"BF_encrypt_ptr    ", 1);
281	time_it(BF_encrypt_ptr2,	"BF_encrypt_ptr2   ", 2);
282	num+=3;
283
284	str[0]="<nothing>";
285	print_it("BF_encrypt_normal ",0);
286	max=tm[0];
287	max_idx=0;
288	str[1]="ptr      ";
289	print_it("BF_encrypt_ptr ",1);
290	if (max < tm[1]) { max=tm[1]; max_idx=1; }
291	str[2]="ptr2     ";
292	print_it("BF_encrypt_ptr2 ",2);
293	if (max < tm[2]) { max=tm[2]; max_idx=2; }
294
295	printf("options    BF ecb/s\n");
296	printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
297	d=tm[max_idx];
298	tm[max_idx]= -2.0;
299	max= -1.0;
300	for (;;)
301		{
302		for (i=0; i<3; i++)
303			{
304			if (max < tm[i]) { max=tm[i]; j=i; }
305			}
306		if (max < 0.0) break;
307		printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
308		tm[j]= -2.0;
309		max= -1.0;
310		}
311
312	switch (max_idx)
313		{
314	case 0:
315		printf("-DBF_DEFAULT_OPTIONS\n");
316		break;
317	case 1:
318		printf("-DBF_PTR\n");
319		break;
320	case 2:
321		printf("-DBF_PTR2\n");
322		break;
323		}
324	exit(0);
325#if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
326	return(0);
327#endif
328	}
329