openssl1.0/crypto/bf/bf_opts.c

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2019-08-09 10:00:55 +02:00
/* crypto/bf/bf_opts.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/*
* define PART1, PART2, PART3 or PART4 to build only with a few of the
* options. This is for machines with 64k code segment size restrictions.
*/
#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
# define TIMES
#endif
#include <stdio.h>
#include <openssl/e_os2.h>
#include OPENSSL_UNISTD_IO
OPENSSL_DECLARE_EXIT
#ifndef OPENSSL_SYS_NETWARE
# include <signal.h>
#endif
#ifndef _IRIX
# include <time.h>
#endif
#ifdef TIMES
# include <sys/types.h>
# include <sys/times.h>
#endif
/*
* Depending on the VMS version, the tms structure is perhaps defined.
* The __TMS macro will show if it was. If it wasn't defined, we should
* undefine TIMES, since that tells the rest of the program how things
* should be handled. -- Richard Levitte
*/
#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
# undef TIMES
#endif
#ifndef TIMES
# include <sys/timeb.h>
#endif
#if defined(sun) || defined(__ultrix)
# define _POSIX_SOURCE
# include <limits.h>
# include <sys/param.h>
#endif
#include <openssl/blowfish.h>
#define BF_DEFAULT_OPTIONS
#undef BF_ENC
#define BF_encrypt BF_encrypt_normal
#undef HEADER_BF_LOCL_H
#include "bf_enc.c"
#define BF_PTR
#undef BF_PTR2
#undef BF_ENC
#undef BF_encrypt
#define BF_encrypt BF_encrypt_ptr
#undef HEADER_BF_LOCL_H
#include "bf_enc.c"
#undef BF_PTR
#define BF_PTR2
#undef BF_ENC
#undef BF_encrypt
#define BF_encrypt BF_encrypt_ptr2
#undef HEADER_BF_LOCL_H
#include "bf_enc.c"
/* The following if from times(3) man page. It may need to be changed */
#ifndef HZ
# ifndef CLK_TCK
# ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
# define HZ 100.0
# else /* _BSD_CLK_TCK_ */
# define HZ ((double)_BSD_CLK_TCK_)
# endif
# else /* CLK_TCK */
# define HZ ((double)CLK_TCK)
# endif
#endif
#define BUFSIZE ((long)1024)
long run = 0;
double Time_F(int s);
#ifdef SIGALRM
# if defined(__STDC__) || defined(sgi)
# define SIGRETTYPE void
# else
# define SIGRETTYPE int
# endif
SIGRETTYPE sig_done(int sig);
SIGRETTYPE sig_done(int sig)
{
signal(SIGALRM, sig_done);
run = 0;
# ifdef LINT
sig = sig;
# endif
}
#endif
#define START 0
#define STOP 1
double Time_F(int s)
{
double ret;
#ifdef TIMES
static struct tms tstart, tend;
if (s == START) {
times(&tstart);
return (0);
} else {
times(&tend);
ret = ((double)(tend.tms_utime - tstart.tms_utime)) / HZ;
return ((ret == 0.0) ? 1e-6 : ret);
}
#else /* !times() */
static struct timeb tstart, tend;
long i;
if (s == START) {
ftime(&tstart);
return (0);
} else {
ftime(&tend);
i = (long)tend.millitm - (long)tstart.millitm;
ret = ((double)(tend.time - tstart.time)) + ((double)i) / 1000.0;
return ((ret == 0.0) ? 1e-6 : ret);
}
#endif
}
#ifdef SIGALRM
# define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
#else
# define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
#endif
#define time_it(func,name,index) \
print_name(name); \
Time_F(START); \
for (count=0,run=1; COND(cb); count+=4) \
{ \
unsigned long d[2]; \
func(d,&sch); \
func(d,&sch); \
func(d,&sch); \
func(d,&sch); \
} \
tm[index]=Time_F(STOP); \
fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
tm[index]=((double)COUNT(cb))/tm[index];
#define print_it(name,index) \
fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
tm[index]*8,1.0e6/tm[index]);
int main(int argc, char **argv)
{
long count;
static unsigned char buf[BUFSIZE];
static char key[16] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0
};
BF_KEY sch;
double d, tm[16], max = 0;
int rank[16];
char *str[16];
int max_idx = 0, i, num = 0, j;
#ifndef SIGALARM
long ca, cb, cc, cd, ce;
#endif
for (i = 0; i < 12; i++) {
tm[i] = 0.0;
rank[i] = 0;
}
#ifndef TIMES
fprintf(stderr, "To get the most accurate results, try to run this\n");
fprintf(stderr, "program when this computer is idle.\n");
#endif
BF_set_key(&sch, 16, key);
#ifndef SIGALRM
fprintf(stderr, "First we calculate the approximate speed ...\n");
count = 10;
do {
long i;
unsigned long data[2];
count *= 2;
Time_F(START);
for (i = count; i; i--)
BF_encrypt(data, &sch);
d = Time_F(STOP);
} while (d < 3.0);
ca = count;
cb = count * 3;
cc = count * 3 * 8 / BUFSIZE + 1;
cd = count * 8 / BUFSIZE + 1;
ce = count / 20 + 1;
# define COND(d) (count != (d))
# define COUNT(d) (d)
#else
# define COND(c) (run)
# define COUNT(d) (count)
signal(SIGALRM, sig_done);
alarm(10);
#endif
time_it(BF_encrypt_normal, "BF_encrypt_normal ", 0);
time_it(BF_encrypt_ptr, "BF_encrypt_ptr ", 1);
time_it(BF_encrypt_ptr2, "BF_encrypt_ptr2 ", 2);
num += 3;
str[0] = "<nothing>";
print_it("BF_encrypt_normal ", 0);
max = tm[0];
max_idx = 0;
str[1] = "ptr ";
print_it("BF_encrypt_ptr ", 1);
if (max < tm[1]) {
max = tm[1];
max_idx = 1;
}
str[2] = "ptr2 ";
print_it("BF_encrypt_ptr2 ", 2);
if (max < tm[2]) {
max = tm[2];
max_idx = 2;
}
printf("options BF ecb/s\n");
printf("%s %12.2f 100.0%%\n", str[max_idx], tm[max_idx]);
d = tm[max_idx];
tm[max_idx] = -2.0;
max = -1.0;
for (;;) {
for (i = 0; i < 3; i++) {
if (max < tm[i]) {
max = tm[i];
j = i;
}
}
if (max < 0.0)
break;
printf("%s %12.2f %4.1f%%\n", str[j], tm[j], tm[j] / d * 100.0);
tm[j] = -2.0;
max = -1.0;
}
switch (max_idx) {
case 0:
printf("-DBF_DEFAULT_OPTIONS\n");
break;
case 1:
printf("-DBF_PTR\n");
break;
case 2:
printf("-DBF_PTR2\n");
break;
}
exit(0);
#if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
return (0);
#endif
}