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253 lines
7.0 KiB
253 lines
7.0 KiB
/* crypto/rc4/rc4speed.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* 11-Sep-92 Andrew Daviel Support for Silicon Graphics IRIX added */
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/* 06-Apr-92 Luke Brennan Support for VMS and add extra signal calls */
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#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
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#define TIMES
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#endif
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#include <stdio.h>
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#include <openssl/e_os2.h>
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#include OPENSSL_UNISTD_IO
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OPENSSL_DECLARE_EXIT
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#ifndef OPENSSL_SYS_NETWARE
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#include <signal.h>
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#endif
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#ifndef _IRIX
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#include <time.h>
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#endif
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#ifdef TIMES
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#include <sys/types.h>
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#include <sys/times.h>
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#endif
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/* Depending on the VMS version, the tms structure is perhaps defined.
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The __TMS macro will show if it was. If it wasn't defined, we should
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undefine TIMES, since that tells the rest of the program how things
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should be handled. -- Richard Levitte */
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#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
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#undef TIMES
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#endif
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#ifndef TIMES
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#include <sys/timeb.h>
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#endif
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#if defined(sun) || defined(__ultrix)
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#define _POSIX_SOURCE
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#include <limits.h>
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#include <sys/param.h>
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#endif
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#include <openssl/rc4.h>
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/* The following if from times(3) man page. It may need to be changed */
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#ifndef HZ
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#ifndef CLK_TCK
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#define HZ 100.0
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#else /* CLK_TCK */
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#define HZ ((double)CLK_TCK)
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#endif
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#endif
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#define BUFSIZE ((long)1024)
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long run=0;
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double Time_F(int s);
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#ifdef SIGALRM
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#if defined(__STDC__) || defined(sgi) || defined(_AIX)
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#define SIGRETTYPE void
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#else
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#define SIGRETTYPE int
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#endif
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SIGRETTYPE sig_done(int sig);
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SIGRETTYPE sig_done(int sig)
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{
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signal(SIGALRM,sig_done);
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run=0;
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#ifdef LINT
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sig=sig;
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#endif
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}
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#endif
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#define START 0
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#define STOP 1
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double Time_F(int s)
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{
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double ret;
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#ifdef TIMES
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static struct tms tstart,tend;
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if (s == START)
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{
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times(&tstart);
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return(0);
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}
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else
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{
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times(&tend);
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ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
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return((ret == 0.0)?1e-6:ret);
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}
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#else /* !times() */
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static struct timeb tstart,tend;
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long i;
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if (s == START)
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{
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ftime(&tstart);
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return(0);
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}
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else
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{
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ftime(&tend);
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i=(long)tend.millitm-(long)tstart.millitm;
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ret=((double)(tend.time-tstart.time))+((double)i)/1e3;
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return((ret == 0.0)?1e-6:ret);
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}
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#endif
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}
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int main(int argc, char **argv)
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{
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long count;
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static unsigned char buf[BUFSIZE];
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static unsigned char key[] ={
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0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
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0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
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};
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RC4_KEY sch;
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double a,b,c,d;
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#ifndef SIGALRM
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long ca,cb,cc;
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#endif
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#ifndef TIMES
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printf("To get the most accurate results, try to run this\n");
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printf("program when this computer is idle.\n");
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#endif
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#ifndef SIGALRM
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printf("First we calculate the approximate speed ...\n");
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RC4_set_key(&sch,16,key);
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count=10;
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do {
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long i;
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unsigned long data[2];
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count*=2;
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Time_F(START);
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for (i=count; i; i--)
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RC4(&sch,8,buf,buf);
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d=Time_F(STOP);
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} while (d < 3.0);
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ca=count/512;
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cc=count*8/BUFSIZE+1;
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printf("Doing RC4_set_key %ld times\n",ca);
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#define COND(d) (count != (d))
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#define COUNT(d) (d)
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#else
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#define COND(c) (run)
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#define COUNT(d) (count)
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signal(SIGALRM,sig_done);
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printf("Doing RC4_set_key for 10 seconds\n");
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alarm(10);
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#endif
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Time_F(START);
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for (count=0,run=1; COND(ca); count+=4)
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{
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RC4_set_key(&sch,16,key);
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RC4_set_key(&sch,16,key);
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RC4_set_key(&sch,16,key);
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RC4_set_key(&sch,16,key);
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}
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d=Time_F(STOP);
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printf("%ld RC4_set_key's in %.2f seconds\n",count,d);
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a=((double)COUNT(ca))/d;
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#ifdef SIGALRM
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printf("Doing RC4 on %ld byte blocks for 10 seconds\n",BUFSIZE);
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alarm(10);
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#else
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printf("Doing RC4 %ld times on %ld byte blocks\n",cc,BUFSIZE);
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#endif
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Time_F(START);
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for (count=0,run=1; COND(cc); count++)
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RC4(&sch,BUFSIZE,buf,buf);
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d=Time_F(STOP);
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printf("%ld RC4's of %ld byte blocks in %.2f second\n",
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count,BUFSIZE,d);
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c=((double)COUNT(cc)*BUFSIZE)/d;
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printf("RC4 set_key per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);
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printf("RC4 bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);
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exit(0);
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#if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
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return(0);
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#endif
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}
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