castopts.c revision 296465 
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/*
60 * define PART1, PART2, PART3 or PART4 to build only with a few of the
61 * options. This is for machines with 64k code segment size restrictions.
62 */
63
64#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC))
65# define TIMES
66#endif
67
68#include <stdio.h>
69
70#include <openssl/e_os2.h>
71#include OPENSSL_UNISTD_IO
72OPENSSL_DECLARE_EXIT
73#ifndef OPENSSL_SYS_NETWARE
74# include <signal.h>
75#endif
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     */
89#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
90# undef TIMES
91#endif
92#ifndef TIMES
93# include <sys/timeb.h>
94#endif
95#if defined(sun) || defined(__ultrix)
96# define _POSIX_SOURCE
97# include <limits.h>
98# include <sys/param.h>
99#endif
100#include <openssl/cast.h>
101#define CAST_DEFAULT_OPTIONS
102#undef E_CAST
103#define CAST_encrypt  CAST_encrypt_normal
104#define CAST_decrypt  CAST_decrypt_normal
105#define CAST_cbc_encrypt  CAST_cbc_encrypt_normal
106#undef HEADER_CAST_LOCL_H
107#include "c_enc.c"
108#define CAST_PTR
109#undef CAST_PTR2
110#undef E_CAST
111#undef CAST_encrypt
112#undef CAST_decrypt
113#undef CAST_cbc_encrypt
114#define CAST_encrypt  CAST_encrypt_ptr
115#define CAST_decrypt  CAST_decrypt_ptr
116#define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr
117#undef HEADER_CAST_LOCL_H
118#include "c_enc.c"
119#undef CAST_PTR
120#define CAST_PTR2
121#undef E_CAST
122#undef CAST_encrypt
123#undef CAST_decrypt
124#undef CAST_cbc_encrypt
125#define CAST_encrypt  CAST_encrypt_ptr2
126#define CAST_decrypt  CAST_decrypt_ptr2
127#define CAST_cbc_encrypt  CAST_cbc_encrypt_ptr2
128#undef HEADER_CAST_LOCL_H
129#include "c_enc.c"
130/* The following if from times(3) man page.  It may need to be changed */
131#ifndef HZ
132# ifndef CLK_TCK
133#  ifndef _BSD_CLK_TCK_         /* FreeBSD fix */
134#   define HZ   100.0
135#  else                         /* _BSD_CLK_TCK_ */
136#   define HZ ((double)_BSD_CLK_TCK_)
137#  endif
138# else                          /* CLK_TCK */
139#  define HZ ((double)CLK_TCK)
140# endif
141#endif
142#define BUFSIZE ((long)1024)
143long run = 0;
144
145double Time_F(int s);
146#ifdef SIGALRM
147# if defined(__STDC__) || defined(sgi)
148#  define SIGRETTYPE void
149# else
150#  define SIGRETTYPE int
151# endif
152
153SIGRETTYPE sig_done(int sig);
154SIGRETTYPE sig_done(int sig)
155{
156    signal(SIGALRM, sig_done);
157    run = 0;
158# ifdef LINT
159    sig = sig;
160# endif
161}
162#endif
163
164#define START   0
165#define STOP    1
166
167double Time_F(int s)
168{
169    double ret;
170#ifdef TIMES
171    static struct tms tstart, tend;
172
173    if (s == START) {
174        times(&tstart);
175        return (0);
176    } else {
177        times(&tend);
178        ret = ((double)(tend.tms_utime - tstart.tms_utime)) / HZ;
179        return ((ret == 0.0) ? 1e-6 : ret);
180    }
181#else                           /* !times() */
182    static struct timeb tstart, tend;
183    long i;
184
185    if (s == START) {
186        ftime(&tstart);
187        return (0);
188    } else {
189        ftime(&tend);
190        i = (long)tend.millitm - (long)tstart.millitm;
191        ret = ((double)(tend.time - tstart.time)) + ((double)i) / 1000.0;
192        return ((ret == 0.0) ? 1e-6 : ret);
193    }
194#endif
195}
196
197#ifdef SIGALRM
198# define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
199#else
200# define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
201#endif
202
203#define time_it(func,name,index) \
204        print_name(name); \
205        Time_F(START); \
206        for (count=0,run=1; COND(cb); count+=4) \
207                { \
208                unsigned long d[2]; \
209                func(d,&sch); \
210                func(d,&sch); \
211                func(d,&sch); \
212                func(d,&sch); \
213                } \
214        tm[index]=Time_F(STOP); \
215        fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
216        tm[index]=((double)COUNT(cb))/tm[index];
217
218#define print_it(name,index) \
219        fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
220                tm[index]*8,1.0e6/tm[index]);
221
222int main(int argc, char **argv)
223{
224    long count;
225    static unsigned char buf[BUFSIZE];
226    static char key[16] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
227        0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0
228    };
229    CAST_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        tm[i] = 0.0;
240        rank[i] = 0;
241    }
242
243#ifndef TIMES
244    fprintf(stderr, "To get the most accurate results, try to run this\n");
245    fprintf(stderr, "program when this computer is idle.\n");
246#endif
247
248    CAST_set_key(&sch, 16, key);
249
250#ifndef SIGALRM
251    fprintf(stderr, "First we calculate the approximate speed ...\n");
252    count = 10;
253    do {
254        long i;
255        unsigned long data[2];
256
257        count *= 2;
258        Time_F(START);
259        for (i = count; i; i--)
260            CAST_encrypt(data, &sch);
261        d = Time_F(STOP);
262    } while (d < 3.0);
263    ca = count;
264    cb = count * 3;
265    cc = count * 3 * 8 / BUFSIZE + 1;
266    cd = count * 8 / BUFSIZE + 1;
267
268    ce = count / 20 + 1;
269# define COND(d) (count != (d))
270# define COUNT(d) (d)
271#else
272# define COND(c) (run)
273# define COUNT(d) (count)
274    signal(SIGALRM, sig_done);
275    alarm(10);
276#endif
277
278    time_it(CAST_encrypt_normal, "CAST_encrypt_normal ", 0);
279    time_it(CAST_encrypt_ptr, "CAST_encrypt_ptr    ", 1);
280    time_it(CAST_encrypt_ptr2, "CAST_encrypt_ptr2   ", 2);
281    num += 3;
282
283    str[0] = "<nothing>";
284    print_it("CAST_encrypt_normal ", 0);
285    max = tm[0];
286    max_idx = 0;
287    str[1] = "ptr      ";
288    print_it("CAST_encrypt_ptr ", 1);
289    if (max < tm[1]) {
290        max = tm[1];
291        max_idx = 1;
292    }
293    str[2] = "ptr2     ";
294    print_it("CAST_encrypt_ptr2 ", 2);
295    if (max < tm[2]) {
296        max = tm[2];
297        max_idx = 2;
298    }
299
300    printf("options    CAST ecb/s\n");
301    printf("%s %12.2f 100.0%%\n", str[max_idx], tm[max_idx]);
302    d = tm[max_idx];
303    tm[max_idx] = -2.0;
304    max = -1.0;
305    for (;;) {
306        for (i = 0; i < 3; i++) {
307            if (max < tm[i]) {
308                max = tm[i];
309                j = i;
310            }
311        }
312        if (max < 0.0)
313            break;
314        printf("%s %12.2f  %4.1f%%\n", str[j], tm[j], tm[j] / d * 100.0);
315        tm[j] = -2.0;
316        max = -1.0;
317    }
318
319    switch (max_idx) {
320    case 0:
321        printf("-DCAST_DEFAULT_OPTIONS\n");
322        break;
323    case 1:
324        printf("-DCAST_PTR\n");
325        break;
326    case 2:
327        printf("-DCAST_PTR2\n");
328        break;
329    }
330    exit(0);
331#if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
332    return (0);
333#endif
334}
335