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cast_spd.c

/* crypto/cast/cast_spd.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>
#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/cast.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,
                  };
      CAST_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");
      CAST_set_key(&sch,16,key);
      count=10;
      do    {
            long i;
            CAST_LONG data[2];

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

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

#ifdef SIGALRM
      printf("Doing CAST_encrypt's for 10 seconds\n");
      alarm(10);
#else
      printf("Doing CAST_encrypt %ld times\n",cb);
#endif
      Time_F(START);
      for (count=0,run=1; COND(cb); count+=4)
            {
            CAST_LONG data[2];

            CAST_encrypt(data,&sch);
            CAST_encrypt(data,&sch);
            CAST_encrypt(data,&sch);
            CAST_encrypt(data,&sch);
            }
      d=Time_F(STOP);
      printf("%ld CAST_encrypt's in %.2f second\n",count,d);
      b=((double)COUNT(cb)*8)/d;

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

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


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