/* crypto/des/speed.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.]

 */

/* 11-Sep-92 Andrew Daviel   Support for Silicon Graphics IRIX added */

/* 06-Apr-92 Luke Brennan    Support for VMS and add extra signal calls */

#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>

#define crypt(c,s) (des_crypt((c),(s)))

#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/des.h>

/* 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) || defined(_AIX)

#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)/1e3;

		return((ret == 0.0)?1e-6:ret);

		}

#endif

	}

int main(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 a,b,c,d,e;

#ifndef SIGALRM

	long ca,cb,cc,cd,ce;

#endif

#ifndef TIMES

	printf("To get the most accurate results, try to run this\n");

	printf("program when this computer is idle.\n");

#endif

	DES_set_key_unchecked(&key2,&sch2);

	DES_set_key_unchecked(&key3,&sch3);

#ifndef SIGALRM

	printf("First we calculate the approximate speed ...\n");

	DES_set_key_unchecked(&key,&sch);

	count=10;

	do	{

		long i;

		DES_LONG data[2];

		count*=2;

		Time_F(START);

		for (i=count; i; i--)

			DES_encrypt1(data,&sch,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;

	printf("Doing set_key %ld times\n",ca);

#define COND(d)	(count != (d))

#define COUNT(d) (d)

#else

#define COND(c)	(run)

#define COUNT(d) (count)

	signal(SIGALRM,sig_done);

	printf("Doing set_key for 10 seconds\n");

	alarm(10);

#endif

	Time_F(START);

	for (count=0,run=1; COND(ca); count++)

		DES_set_key_unchecked(&key,&sch);

	d=Time_F(STOP);

	printf("%ld set_key's in %.2f seconds\n",count,d);

	a=((double)COUNT(ca))/d;

#ifdef SIGALRM

	printf("Doing DES_encrypt's for 10 seconds\n");

	alarm(10);

#else

	printf("Doing DES_encrypt %ld times\n",cb);

#endif

	Time_F(START);

	for (count=0,run=1; COND(cb); count++)

		{

		DES_LONG data[2];

		DES_encrypt1(data,&sch,DES_ENCRYPT);

		}

	d=Time_F(STOP);

	printf("%ld DES_encrypt's in %.2f second\n",count,d);

	b=((double)COUNT(cb)*8)/d;

#ifdef SIGALRM

	printf("Doing DES_cbc_encrypt on %ld byte blocks for 10 seconds\n",

		BUFSIZE);

	alarm(10);

#else

	printf("Doing DES_cbc_encrypt %ld times on %ld byte blocks\n",cc,

		BUFSIZE);

#endif

	Time_F(START);

	for (count=0,run=1; COND(cc); count++)

		DES_ncbc_encrypt(buf,buf,BUFSIZE,&sch,

			&key,DES_ENCRYPT);

	d=Time_F(STOP);

	printf("%ld DES_cbc_encrypt's of %ld byte blocks in %.2f second\n",

		count,BUFSIZE,d);

	c=((double)COUNT(cc)*BUFSIZE)/d;

#ifdef SIGALRM

	printf("Doing DES_ede_cbc_encrypt on %ld byte blocks for 10 seconds\n",

		BUFSIZE);

	alarm(10);

#else

	printf("Doing DES_ede_cbc_encrypt %ld times on %ld byte blocks\n",cd,

		BUFSIZE);

#endif

	Time_F(START);

	for (count=0,run=1; COND(cd); count++)

		DES_ede3_cbc_encrypt(buf,buf,BUFSIZE,

			&sch,

			&sch2,

			&sch3,

			&key,

			DES_ENCRYPT);

	d=Time_F(STOP);

	printf("%ld DES_ede_cbc_encrypt's of %ld byte blocks in %.2f second\n",

		count,BUFSIZE,d);

	d=((double)COUNT(cd)*BUFSIZE)/d;

#ifdef SIGALRM

	printf("Doing crypt for 10 seconds\n");

	alarm(10);

#else

	printf("Doing crypt %ld times\n",ce);

#endif

	Time_F(START);

	for (count=0,run=1; COND(ce); count++)

		crypt("testing1","ef");

	e=Time_F(STOP);

	printf("%ld crypts in %.2f second\n",count,e);

	e=((double)COUNT(ce))/e;

	printf("set_key            per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);

	printf("DES raw ecb bytes  per sec = %12.2f (%9.3fuS)\n",b,8.0e6/b);

	printf("DES cbc bytes      per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);

	printf("DES ede cbc bytes  per sec = %12.2f (%9.3fuS)\n",d,8.0e6/d);

	printf("crypt              per sec = %12.2f (%9.3fuS)\n",e,1.0e6/e);

	exit(0);

#if defined(LINT) || defined(OPENSSL_SYS_MSDOS)

	return(0);

#endif

	}