/* 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(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_IOOPENSSL_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(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/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#endifSIGRETTYPE 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	1double 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 accurate 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(OPENSSL_SYS_MSDOS)	return(0);#endif	}