/* crypto/des/des_opts.c */
/* Copyright (C) 1995-1997 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. */

#ifndef MSDOS
#define TIMES
#endif

#include <stdio.h>
#ifndef MSDOS
#include <unistd.h>
#else
#include <io.h>
extern void exit();
#endif
#include <signal.h>
#ifndef VMS
#ifndef _IRIX
#include <time.h>
#endif
#ifdef TIMES
#include <sys/types.h>
#include <sys/times.h>
#endif
#else /* VMS */
#include <types.h>
struct tms {
	time_t tms_utime;
	time_t tms_stime;
	time_t tms_uchild;      /* I dunno...  */
	time_t tms_uchildsys;   /* so these names are a guess :-) */
}
#endif
#ifndef TIMES
#include <sys/timeb.h>
#endif

#ifdef sun
#include <limits.h>
#include <sys/param.h>
#endif

#include "des/des_locl.h"
#include "des/spr.h"

#define DES_DEFAULT_OPTIONS

#if !defined(PART1) && !defined(PART2) && !defined(PART3) && !defined(PART4)
#define PART1
#define PART2
#define PART3
#define PART4
#endif

#ifdef PART1

#undef DES_UNROLL
#undef DES_RISC1
#undef DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#define des_encrypt  des_encrypt_u4_cisc_idx
#define des_encrypt2 des_encrypt2_u4_cisc_idx
#define des_encrypt3 des_encrypt3_u4_cisc_idx
#define des_decrypt3 des_decrypt3_u4_cisc_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#undef DES_RISC1
#undef DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u16_cisc_idx
#define des_encrypt2 des_encrypt2_u16_cisc_idx
#define des_encrypt3 des_encrypt3_u16_cisc_idx
#define des_decrypt3 des_decrypt3_u16_cisc_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#undef DES_UNROLL
#define DES_RISC1
#undef DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u4_risc1_idx
#define des_encrypt2 des_encrypt2_u4_risc1_idx
#define des_encrypt3 des_encrypt3_u4_risc1_idx
#define des_decrypt3 des_decrypt3_u4_risc1_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#endif

#ifdef PART2

#undef DES_UNROLL
#undef DES_RISC1
#define DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u4_risc2_idx
#define des_encrypt2 des_encrypt2_u4_risc2_idx
#define des_encrypt3 des_encrypt3_u4_risc2_idx
#define des_decrypt3 des_decrypt3_u4_risc2_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#define DES_RISC1
#undef DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u16_risc1_idx
#define des_encrypt2 des_encrypt2_u16_risc1_idx
#define des_encrypt3 des_encrypt3_u16_risc1_idx
#define des_decrypt3 des_decrypt3_u16_risc1_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#undef DES_RISC1
#define DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u16_risc2_idx
#define des_encrypt2 des_encrypt2_u16_risc2_idx
#define des_encrypt3 des_encrypt3_u16_risc2_idx
#define des_decrypt3 des_decrypt3_u16_risc2_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#endif

#ifdef PART3

#undef DES_UNROLL
#undef DES_RISC1
#undef DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u4_cisc_ptr
#define des_encrypt2 des_encrypt2_u4_cisc_ptr
#define des_encrypt3 des_encrypt3_u4_cisc_ptr
#define des_decrypt3 des_decrypt3_u4_cisc_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#undef DES_RISC1
#undef DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u16_cisc_ptr
#define des_encrypt2 des_encrypt2_u16_cisc_ptr
#define des_encrypt3 des_encrypt3_u16_cisc_ptr
#define des_decrypt3 des_decrypt3_u16_cisc_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#undef DES_UNROLL
#define DES_RISC1
#undef DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u4_risc1_ptr
#define des_encrypt2 des_encrypt2_u4_risc1_ptr
#define des_encrypt3 des_encrypt3_u4_risc1_ptr
#define des_decrypt3 des_decrypt3_u4_risc1_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#endif

#ifdef PART4

#undef DES_UNROLL
#undef DES_RISC1
#define DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u4_risc2_ptr
#define des_encrypt2 des_encrypt2_u4_risc2_ptr
#define des_encrypt3 des_encrypt3_u4_risc2_ptr
#define des_decrypt3 des_decrypt3_u4_risc2_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#define DES_RISC1
#undef DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u16_risc1_ptr
#define des_encrypt2 des_encrypt2_u16_risc1_ptr
#define des_encrypt3 des_encrypt3_u16_risc1_ptr
#define des_decrypt3 des_decrypt3_u16_risc1_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#undef DES_RISC1
#define DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef des_encrypt
#undef des_encrypt2
#undef des_encrypt3
#undef des_decrypt3
#define des_encrypt  des_encrypt_u16_risc2_ptr
#define des_encrypt2 des_encrypt2_u16_risc2_ptr
#define des_encrypt3 des_encrypt3_u16_risc2_ptr
#define des_decrypt3 des_decrypt3_u16_risc2_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#endif

/* 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 */
#   ifndef VMS
#    define HZ  100.0
#   else /* VMS */
#    define HZ  100.0
#   endif
#  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;

#ifndef NOPROTO
double Time_F(int s);
#else
double Time_F();
#endif

#ifdef SIGALRM
#if defined(__STDC__) || defined(sgi)
#define SIGRETTYPE void
#else
#define SIGRETTYPE int
#endif

#ifndef NOPROTO
SIGRETTYPE sig_done(int sig);
#else
SIGRETTYPE sig_done();
#endif

SIGRETTYPE sig_done(sig)
int sig;
{
	signal(SIGALRM, sig_done);
	run = 0;
#ifdef LINT
	sig = sig;
#endif
}
#endif

#define START   0
#define STOP    1

double Time_F(s)
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++) \
	{ \
		unsigned long d[2]; \
		func(d, &(sch[0]), DES_ENCRYPT); \
	} \
	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(argc, argv)
int argc;
char **argv;
{
	long count;
	static unsigned char buf[BUFSIZE];
	static des_cblock key =
		{ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 };
	static des_cblock key2 =
		{ 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12 };
	static des_cblock key3 =
		{ 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34 };
	des_key_schedule sch, sch2, sch3;
	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 acurate results, try to run this\n");
	fprintf(stderr, "program when this computer is idle.\n");
#endif

	des_set_key((C_Block *)key, sch);
	des_set_key((C_Block *)key2, sch2);
	des_set_key((C_Block *)key3, sch3);

#ifndef SIGALRM
	fprintf(stderr, "First we calculate the approximate speed ...\n");
	des_set_key((C_Block *)key, sch);
	count = 10;
	do {
		long i;
		unsigned long data[2];

		count *= 2;
		Time_F(START);
		for (i = count; i; i--)
			des_encrypt(data, &(sch[0]), DES_ENCRYPT);
		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

#ifdef PART1
	time_it(des_encrypt_u4_cisc_idx,  "des_encrypt_u4_cisc_idx  ", 0);
	time_it(des_encrypt_u16_cisc_idx, "des_encrypt_u16_cisc_idx ", 1);
	time_it(des_encrypt_u4_risc1_idx, "des_encrypt_u4_risc1_idx ", 2);
	num += 3;
#endif
#ifdef PART2
	time_it(des_encrypt_u16_risc1_idx, "des_encrypt_u16_risc1_idx", 3);
	time_it(des_encrypt_u4_risc2_idx, "des_encrypt_u4_risc2_idx ", 4);
	time_it(des_encrypt_u16_risc2_idx, "des_encrypt_u16_risc2_idx", 5);
	num += 3;
#endif
#ifdef PART3
	time_it(des_encrypt_u4_cisc_ptr,  "des_encrypt_u4_cisc_ptr  ", 6);
	time_it(des_encrypt_u16_cisc_ptr, "des_encrypt_u16_cisc_ptr ", 7);
	time_it(des_encrypt_u4_risc1_ptr, "des_encrypt_u4_risc1_ptr ", 8);
	num += 3;
#endif
#ifdef PART4
	time_it(des_encrypt_u16_risc1_ptr, "des_encrypt_u16_risc1_ptr", 9);
	time_it(des_encrypt_u4_risc2_ptr, "des_encrypt_u4_risc2_ptr ", 10);
	time_it(des_encrypt_u16_risc2_ptr, "des_encrypt_u16_risc2_ptr", 11);
	num += 3;
#endif

#ifdef PART1
	str[0] = " 4  c i";
	print_it("des_encrypt_u4_cisc_idx  ", 0);
	max = tm[0];
	max_idx = 0;
	str[1] = "16  c i";
	print_it("des_encrypt_u16_cisc_idx ", 1);
	if (max < tm[1]) {
		max = tm[1];
		max_idx = 1;
	}
	str[2] = " 4 r1 i";
	print_it("des_encrypt_u4_risc1_idx ", 2);
	if (max < tm[2]) {
		max = tm[2];
		max_idx = 2;
	}
#endif
#ifdef PART2
	str[3] = "16 r1 i";
	print_it("des_encrypt_u16_risc1_idx", 3);
	if (max < tm[3]) {
		max = tm[3];
		max_idx = 3;
	}
	str[4] = " 4 r2 i";
	print_it("des_encrypt_u4_risc2_idx ", 4);
	if (max < tm[4]) {
		max = tm[4];
		max_idx = 4;
	}
	str[5] = "16 r2 i";
	print_it("des_encrypt_u16_risc2_idx", 5);
	if (max < tm[5]) {
		max = tm[5];
		max_idx = 5;
	}
#endif
#ifdef PART3
	str[6] = " 4  c p";
	print_it("des_encrypt_u4_cisc_ptr  ", 6);
	if (max < tm[6]) {
		max = tm[6];
		max_idx = 6;
	}
	str[7] = "16  c p";
	print_it("des_encrypt_u16_cisc_ptr ", 7);
	if (max < tm[7]) {
		max = tm[7];
		max_idx = 7;
	}
	str[8] = " 4 r1 p";
	print_it("des_encrypt_u4_risc1_ptr ", 8);
	if (max < tm[8]) {
		max = tm[8];
		max_idx = 8;
	}
#endif
#ifdef PART4
	str[9] = "16 r1 p";
	print_it("des_encrypt_u16_risc1_ptr", 9);
	if (max < tm[9]) {
		max = tm[9];
		max_idx = 9;
	}
	str[10] = " 4 r2 p";
	print_it("des_encrypt_u4_risc2_ptr ", 10);
	if (max < tm[10]) {
		max = tm[10];
		max_idx = 10;
	}
	str[11] = "16 r2 p";
	print_it("des_encrypt_u16_risc2_ptr", 11);
	if (max < tm[11]) {
		max = tm[11];
		max_idx = 11;
	}
#endif
	printf("options    des 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 < 12; 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("-DDES_DEFAULT_OPTIONS\n");
		break;
	case 1:
		printf("-DDES_UNROLL\n");
		break;
	case 2:
		printf("-DDES_RISC1\n");
		break;
	case 3:
		printf("-DDES_UNROLL -DDES_RISC1\n");
		break;
	case 4:
		printf("-DDES_RISC2\n");
		break;
	case 5:
		printf("-DDES_UNROLL -DDES_RISC2\n");
		break;
	case 6:
		printf("-DDES_PTR\n");
		break;
	case 7:
		printf("-DDES_UNROLL -DDES_PTR\n");
		break;
	case 8:
		printf("-DDES_RISC1 -DDES_PTR\n");
		break;
	case 9:
		printf("-DDES_UNROLL -DDES_RISC1 -DDES_PTR\n");
		break;
	case 10:
		printf("-DDES_RISC2 -DDES_PTR\n");
		break;
	case 11:
		printf("-DDES_UNROLL -DDES_RISC2 -DDES_PTR\n");
		break;
	}
	exit(0);
#if defined(LINT) || defined(MSDOS)
	return 0;

#endif
}
