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des_opts.c

/* crypto/des/des_opts.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.]
 */

/* define PART1, PART2, PART3 or PART4 to build only with a few of the options.
 * This is for machines with 64k code segment size restrictions. */

#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
#define TIMES
#endif

#include <stdio.h>
#ifndef OPENSSL_SYS_MSDOS
#include <openssl/e_os2.h>
#include OPENSSL_UNISTD
#else
#include <io.h>
extern void exit();
#endif
#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/des.h>
#include "spr.h"

#define DES_DEFAULT_OPTIONS

#if !defined(PART1) && !defined(PART2) && !defined(PART3) && !defined(PART4)
#define PART1
#define PART2
#define PART3
#define PART4
#endif

#ifdef PART1

#undef DES_UNROLL
#undef DES_RISC1
#undef DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#define DES_encrypt1 des_encrypt_u4_cisc_idx
#define DES_encrypt2 des_encrypt2_u4_cisc_idx
#define DES_encrypt3 des_encrypt3_u4_cisc_idx
#define DES_decrypt3 des_decrypt3_u4_cisc_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#undef DES_RISC1
#undef DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u16_cisc_idx
#define DES_encrypt2 des_encrypt2_u16_cisc_idx
#define DES_encrypt3 des_encrypt3_u16_cisc_idx
#define DES_decrypt3 des_decrypt3_u16_cisc_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#undef DES_UNROLL
#define DES_RISC1
#undef DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u4_risc1_idx
#define DES_encrypt2 des_encrypt2_u4_risc1_idx
#define DES_encrypt3 des_encrypt3_u4_risc1_idx
#define DES_decrypt3 des_decrypt3_u4_risc1_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#endif

#ifdef PART2

#undef DES_UNROLL
#undef DES_RISC1
#define DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u4_risc2_idx
#define DES_encrypt2 des_encrypt2_u4_risc2_idx
#define DES_encrypt3 des_encrypt3_u4_risc2_idx
#define DES_decrypt3 des_decrypt3_u4_risc2_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#define DES_RISC1
#undef DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u16_risc1_idx
#define DES_encrypt2 des_encrypt2_u16_risc1_idx
#define DES_encrypt3 des_encrypt3_u16_risc1_idx
#define DES_decrypt3 des_decrypt3_u16_risc1_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#undef DES_RISC1
#define DES_RISC2
#undef DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u16_risc2_idx
#define DES_encrypt2 des_encrypt2_u16_risc2_idx
#define DES_encrypt3 des_encrypt3_u16_risc2_idx
#define DES_decrypt3 des_decrypt3_u16_risc2_idx
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#endif

#ifdef PART3

#undef DES_UNROLL
#undef DES_RISC1
#undef DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u4_cisc_ptr
#define DES_encrypt2 des_encrypt2_u4_cisc_ptr
#define DES_encrypt3 des_encrypt3_u4_cisc_ptr
#define DES_decrypt3 des_decrypt3_u4_cisc_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#undef DES_RISC1
#undef DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u16_cisc_ptr
#define DES_encrypt2 des_encrypt2_u16_cisc_ptr
#define DES_encrypt3 des_encrypt3_u16_cisc_ptr
#define DES_decrypt3 des_decrypt3_u16_cisc_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#undef DES_UNROLL
#define DES_RISC1
#undef DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u4_risc1_ptr
#define DES_encrypt2 des_encrypt2_u4_risc1_ptr
#define DES_encrypt3 des_encrypt3_u4_risc1_ptr
#define DES_decrypt3 des_decrypt3_u4_risc1_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#endif

#ifdef PART4

#undef DES_UNROLL
#undef DES_RISC1
#define DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u4_risc2_ptr
#define DES_encrypt2 des_encrypt2_u4_risc2_ptr
#define DES_encrypt3 des_encrypt3_u4_risc2_ptr
#define DES_decrypt3 des_decrypt3_u4_risc2_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#define DES_RISC1
#undef DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u16_risc1_ptr
#define DES_encrypt2 des_encrypt2_u16_risc1_ptr
#define DES_encrypt3 des_encrypt3_u16_risc1_ptr
#define DES_decrypt3 des_decrypt3_u16_risc1_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#define DES_UNROLL
#undef DES_RISC1
#define DES_RISC2
#define DES_PTR
#undef D_ENCRYPT
#undef DES_encrypt1
#undef DES_encrypt2
#undef DES_encrypt3
#undef DES_decrypt3
#define DES_encrypt1 des_encrypt_u16_risc2_ptr
#define DES_encrypt2 des_encrypt2_u16_risc2_ptr
#define DES_encrypt3 des_encrypt3_u16_risc2_ptr
#define DES_decrypt3 des_decrypt3_u16_risc2_ptr
#undef HEADER_DES_LOCL_H
#include "des_enc.c"

#endif

/* 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)
#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)/1000.0;
            return((ret == 0.0)?1e-6:ret);
            }
#endif
      }

#ifdef SIGALRM
#define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
#else
#define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
#endif
      
#define time_it(func,name,index) \
      print_name(name); \
      Time_F(START); \
      for (count=0,run=1; COND(cb); count++) \
            { \
            unsigned long d[2]; \
            func(d,&sch,DES_ENCRYPT); \
            } \
      tm[index]=Time_F(STOP); \
      fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
      tm[index]=((double)COUNT(cb))/tm[index];

#define print_it(name,index) \
      fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
            tm[index]*8,1.0e6/tm[index]);

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 d,tm[16],max=0;
      int rank[16];
      char *str[16];
      int max_idx=0,i,num=0,j;
#ifndef SIGALARM
      long ca,cb,cc,cd,ce;
#endif

      for (i=0; i<12; i++)
            {
            tm[i]=0.0;
            rank[i]=0;
            }

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

      DES_set_key_unchecked(&key,&sch);
      DES_set_key_unchecked(&key2,&sch2);
      DES_set_key_unchecked(&key3,&sch3);

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

            count*=2;
            Time_F(START);
            for (i=count; i; i--)
                  DES_encrypt1(data,&(sch[0]),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;
#define COND(d) (count != (d))
#define COUNT(d) (d)
#else
#define COND(c) (run)
#define COUNT(d) (count)
        signal(SIGALRM,sig_done);
        alarm(10);
#endif

#ifdef PART1
      time_it(des_encrypt_u4_cisc_idx,  "des_encrypt_u4_cisc_idx  ", 0);
      time_it(des_encrypt_u16_cisc_idx, "des_encrypt_u16_cisc_idx ", 1);
      time_it(des_encrypt_u4_risc1_idx, "des_encrypt_u4_risc1_idx ", 2);
      num+=3;
#endif
#ifdef PART2
      time_it(des_encrypt_u16_risc1_idx,"des_encrypt_u16_risc1_idx", 3);
      time_it(des_encrypt_u4_risc2_idx, "des_encrypt_u4_risc2_idx ", 4);
      time_it(des_encrypt_u16_risc2_idx,"des_encrypt_u16_risc2_idx", 5);
      num+=3;
#endif
#ifdef PART3
      time_it(des_encrypt_u4_cisc_ptr,  "des_encrypt_u4_cisc_ptr  ", 6);
      time_it(des_encrypt_u16_cisc_ptr, "des_encrypt_u16_cisc_ptr ", 7);
      time_it(des_encrypt_u4_risc1_ptr, "des_encrypt_u4_risc1_ptr ", 8);
      num+=3;
#endif
#ifdef PART4
      time_it(des_encrypt_u16_risc1_ptr,"des_encrypt_u16_risc1_ptr", 9);
      time_it(des_encrypt_u4_risc2_ptr, "des_encrypt_u4_risc2_ptr ",10);
      time_it(des_encrypt_u16_risc2_ptr,"des_encrypt_u16_risc2_ptr",11);
      num+=3;
#endif

#ifdef PART1
      str[0]=" 4  c i";
      print_it("des_encrypt_u4_cisc_idx  ",0);
      max=tm[0];
      max_idx=0;
      str[1]="16  c i";
      print_it("des_encrypt_u16_cisc_idx ",1);
      if (max < tm[1]) { max=tm[1]; max_idx=1; }
      str[2]=" 4 r1 i";
      print_it("des_encrypt_u4_risc1_idx ",2);
      if (max < tm[2]) { max=tm[2]; max_idx=2; }
#endif
#ifdef PART2
      str[3]="16 r1 i";
      print_it("des_encrypt_u16_risc1_idx",3);
      if (max < tm[3]) { max=tm[3]; max_idx=3; }
      str[4]=" 4 r2 i";
      print_it("des_encrypt_u4_risc2_idx ",4);
      if (max < tm[4]) { max=tm[4]; max_idx=4; }
      str[5]="16 r2 i";
      print_it("des_encrypt_u16_risc2_idx",5);
      if (max < tm[5]) { max=tm[5]; max_idx=5; }
#endif
#ifdef PART3
      str[6]=" 4  c p";
      print_it("des_encrypt_u4_cisc_ptr  ",6);
      if (max < tm[6]) { max=tm[6]; max_idx=6; }
      str[7]="16  c p";
      print_it("des_encrypt_u16_cisc_ptr ",7);
      if (max < tm[7]) { max=tm[7]; max_idx=7; }
      str[8]=" 4 r1 p";
      print_it("des_encrypt_u4_risc1_ptr ",8);
      if (max < tm[8]) { max=tm[8]; max_idx=8; }
#endif
#ifdef PART4
      str[9]="16 r1 p";
      print_it("des_encrypt_u16_risc1_ptr",9);
      if (max < tm[9]) { max=tm[9]; max_idx=9; }
      str[10]=" 4 r2 p";
      print_it("des_encrypt_u4_risc2_ptr ",10);
      if (max < tm[10]) { max=tm[10]; max_idx=10; }
      str[11]="16 r2 p";
      print_it("des_encrypt_u16_risc2_ptr",11);
      if (max < tm[11]) { max=tm[11]; max_idx=11; }
#endif
      printf("options    des ecb/s\n");
      printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
      d=tm[max_idx];
      tm[max_idx]= -2.0;
      max= -1.0;
      for (;;)
            {
            for (i=0; i<12; i++)
                  {
                  if (max < tm[i]) { max=tm[i]; j=i; }
                  }
            if (max < 0.0) break;
            printf("%s %12.2f  %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
            tm[j]= -2.0;
            max= -1.0;
            }

      switch (max_idx)
            {
      case 0:
            printf("-DDES_DEFAULT_OPTIONS\n");
            break;
      case 1:
            printf("-DDES_UNROLL\n");
            break;
      case 2:
            printf("-DDES_RISC1\n");
            break;
      case 3:
            printf("-DDES_UNROLL -DDES_RISC1\n");
            break;
      case 4:
            printf("-DDES_RISC2\n");
            break;
      case 5:
            printf("-DDES_UNROLL -DDES_RISC2\n");
            break;
      case 6:
            printf("-DDES_PTR\n");
            break;
      case 7:
            printf("-DDES_UNROLL -DDES_PTR\n");
            break;
      case 8:
            printf("-DDES_RISC1 -DDES_PTR\n");
            break;
      case 9:
            printf("-DDES_UNROLL -DDES_RISC1 -DDES_PTR\n");
            break;
      case 10:
            printf("-DDES_RISC2 -DDES_PTR\n");
            break;
      case 11:
            printf("-DDES_UNROLL -DDES_RISC2 -DDES_PTR\n");
            break;
            }
      exit(0);
#if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
      return(0);
#endif
      }

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