crypto/rc4/rc4speed.c - third_party/openssl - Git at Google

 /* crypto/rc4/rc4speed.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(MSDOS) && (!defined(VMS) || defined(__DECC))
 #define TIMES
 #endif

 #include <stdio.h>

 #include <openssl/e_os2.h>
 #include OPENSSL_UNISTD_IO
 OPENSSL_DECLARE_EXIT

 #include <signal.h>
 #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(VMS) && defined(__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/rc4.h>

 /* The following if from times(3) man page.  It may need to be changed */
 #ifndef HZ
 #ifndef CLK_TCK
 #define HZ	100.0
 #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 unsigned char key[] ={
 			0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
 			0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
 			};
 	RC4_KEY sch;
 	double a,b,c,d;
 #ifndef SIGALRM
 	long ca,cb,cc;
 #endif

 #ifndef TIMES
 	printf("To get the most acurate results, try to run this\n");
 	printf("program when this computer is idle.\n");
 #endif

 #ifndef SIGALRM
 	printf("First we calculate the approximate speed ...\n");
 	RC4_set_key(&sch,16,key);
 	count=10;
 	do	{
 		long i;
 		unsigned long data[2];

 		count*=2;
 		Time_F(START);
 		for (i=count; i; i--)
 			RC4(&sch,8,buf,buf);
 		d=Time_F(STOP);
 		} while (d < 3.0);
 	ca=count/512;
 	cc=count*8/BUFSIZE+1;
 	printf("Doing RC4_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 RC4_set_key for 10 seconds\n");
 	alarm(10);
 #endif

 	Time_F(START);
 	for (count=0,run=1; COND(ca); count+=4)
 		{
 		RC4_set_key(&sch,16,key);
 		RC4_set_key(&sch,16,key);
 		RC4_set_key(&sch,16,key);
 		RC4_set_key(&sch,16,key);
 		}
 	d=Time_F(STOP);
 	printf("%ld RC4_set_key's in %.2f seconds\n",count,d);
 	a=((double)COUNT(ca))/d;

 #ifdef SIGALRM
 	printf("Doing RC4 on %ld byte blocks for 10 seconds\n",BUFSIZE);
 	alarm(10);
 #else
 	printf("Doing RC4 %ld times on %ld byte blocks\n",cc,BUFSIZE);
 #endif
 	Time_F(START);
 	for (count=0,run=1; COND(cc); count++)
 		RC4(&sch,BUFSIZE,buf,buf);
 	d=Time_F(STOP);
 	printf("%ld RC4's of %ld byte blocks in %.2f second\n",
 		count,BUFSIZE,d);
 	c=((double)COUNT(cc)*BUFSIZE)/d;

 	printf("RC4 set_key per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);
 	printf("RC4   bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);
 	exit(0);
 #if defined(LINT) || defined(MSDOS)
 	return(0);
 #endif
 	}
	/* crypto/rc4/rc4speed.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(MSDOS) && (!defined(VMS) \|\| defined(__DECC))
	#define TIMES
	#endif

	#include <stdio.h>

	#include <openssl/e_os2.h>
	#include OPENSSL_UNISTD_IO
	OPENSSL_DECLARE_EXIT

	#include <signal.h>
	#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(VMS) && defined(__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/rc4.h>

	/* The following if from times(3) man page. It may need to be changed */
	#ifndef HZ
	#ifndef CLK_TCK
	#define HZ 100.0
	#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 unsigned char key[] ={
	0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
	0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
	};
	RC4_KEY sch;
	double a,b,c,d;
	#ifndef SIGALRM
	long ca,cb,cc;
	#endif

	#ifndef TIMES
	printf("To get the most acurate results, try to run this\n");
	printf("program when this computer is idle.\n");
	#endif

	#ifndef SIGALRM
	printf("First we calculate the approximate speed ...\n");
	RC4_set_key(&sch,16,key);
	count=10;
	do {
	long i;
	unsigned long data[2];

	count*=2;
	Time_F(START);
	for (i=count; i; i--)
	RC4(&sch,8,buf,buf);
	d=Time_F(STOP);
	} while (d < 3.0);
	ca=count/512;
	cc=count*8/BUFSIZE+1;
	printf("Doing RC4_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 RC4_set_key for 10 seconds\n");
	alarm(10);
	#endif

	Time_F(START);
	for (count=0,run=1; COND(ca); count+=4)
	{
	RC4_set_key(&sch,16,key);
	RC4_set_key(&sch,16,key);
	RC4_set_key(&sch,16,key);
	RC4_set_key(&sch,16,key);
	}
	d=Time_F(STOP);
	printf("%ld RC4_set_key's in %.2f seconds\n",count,d);
	a=((double)COUNT(ca))/d;

	#ifdef SIGALRM
	printf("Doing RC4 on %ld byte blocks for 10 seconds\n",BUFSIZE);
	alarm(10);
	#else
	printf("Doing RC4 %ld times on %ld byte blocks\n",cc,BUFSIZE);
	#endif
	Time_F(START);
	for (count=0,run=1; COND(cc); count++)
	RC4(&sch,BUFSIZE,buf,buf);
	d=Time_F(STOP);
	printf("%ld RC4's of %ld byte blocks in %.2f second\n",
	count,BUFSIZE,d);
	c=((double)COUNT(cc)*BUFSIZE)/d;

	printf("RC4 set_key per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);
	printf("RC4 bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);
	exit(0);
	#if defined(LINT) \|\| defined(MSDOS)
	return(0);
	#endif
	}