348 lines
8.4 KiB
C
348 lines
8.4 KiB
C
/* crypto/bf/bf_opts.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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/* define PART1, PART2, PART3 or PART4 to build only with a few of the options.
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* This is for machines with 64k code segment size restrictions. */
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#ifndef MSDOS
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#define TIMES
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#endif
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#include <stdio.h>
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#ifndef MSDOS
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#include <unistd.h>
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#else
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#include <io.h>
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extern void exit();
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#endif
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#include <signal.h>
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#ifndef VMS
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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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#else /* VMS */
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#include <types.h>
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struct tms {
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time_t tms_utime;
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time_t tms_stime;
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time_t tms_uchild; /* I dunno... */
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time_t tms_uchildsys; /* so these names are a guess :-) */
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}
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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 "blowfish.h"
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#define BF_DEFAULT_OPTIONS
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#undef BF_ENC
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#define BF_encrypt BF_encrypt_normal
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#undef HEADER_BF_LOCL_H
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#include "bf_enc.c"
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#define BF_PTR
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#undef BF_PTR2
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#undef BF_ENC
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#undef BF_encrypt
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#define BF_encrypt BF_encrypt_ptr
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#undef HEADER_BF_LOCL_H
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#include "bf_enc.c"
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#undef BF_PTR
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#define BF_PTR2
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#undef BF_ENC
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#undef BF_encrypt
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#define BF_encrypt BF_encrypt_ptr2
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#undef HEADER_BF_LOCL_H
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#include "bf_enc.c"
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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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# ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
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# ifndef VMS
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# define HZ 100.0
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# else /* VMS */
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# define HZ 100.0
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# endif
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# else /* _BSD_CLK_TCK_ */
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# define HZ ((double)_BSD_CLK_TCK_)
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# endif
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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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#ifndef NOPROTO
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double Time_F(int s);
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#else
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double Time_F();
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#endif
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#ifdef SIGALRM
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#if defined(__STDC__) || defined(sgi)
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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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#ifndef NOPROTO
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SIGRETTYPE sig_done(int sig);
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#else
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SIGRETTYPE sig_done();
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#endif
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SIGRETTYPE sig_done(sig)
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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(s)
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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)/1000.0;
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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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#ifdef SIGALRM
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#define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
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#else
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#define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
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#endif
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#define time_it(func,name,index) \
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print_name(name); \
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Time_F(START); \
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for (count=0,run=1; COND(cb); count+=4) \
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{ \
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unsigned long d[2]; \
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func(d,&sch); \
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func(d,&sch); \
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func(d,&sch); \
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func(d,&sch); \
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} \
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tm[index]=Time_F(STOP); \
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fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
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tm[index]=((double)COUNT(cb))/tm[index];
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#define print_it(name,index) \
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fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
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tm[index]*8,1.0e6/tm[index]);
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int main(argc,argv)
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int argc;
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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 char key[16]={ 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
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0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
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BF_KEY sch;
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double d,tm[16],max=0;
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int rank[16];
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char *str[16];
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int max_idx=0,i,num=0,j;
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#ifndef SIGALARM
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long ca,cb,cc,cd,ce;
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#endif
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for (i=0; i<12; i++)
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{
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tm[i]=0.0;
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rank[i]=0;
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}
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#ifndef TIMES
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fprintf(stderr,"To get the most acurate results, try to run this\n");
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fprintf(stderr,"program when this computer is idle.\n");
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#endif
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BF_set_key(&sch,16,key);
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#ifndef SIGALRM
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fprintf(stderr,"First we calculate the approximate speed ...\n");
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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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BF_encrypt(data,&sch);
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d=Time_F(STOP);
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} while (d < 3.0);
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ca=count;
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cb=count*3;
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cc=count*3*8/BUFSIZE+1;
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cd=count*8/BUFSIZE+1;
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ce=count/20+1;
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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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alarm(10);
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#endif
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time_it(BF_encrypt_normal, "BF_encrypt_normal ", 0);
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time_it(BF_encrypt_ptr, "BF_encrypt_ptr ", 1);
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time_it(BF_encrypt_ptr2, "BF_encrypt_ptr2 ", 2);
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num+=3;
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str[0]="<nothing>";
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print_it("BF_encrypt_normal ",0);
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max=tm[0];
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max_idx=0;
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str[1]="ptr ";
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print_it("BF_encrypt_ptr ",1);
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if (max < tm[1]) { max=tm[1]; max_idx=1; }
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str[2]="ptr2 ";
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print_it("BF_encrypt_ptr2 ",2);
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if (max < tm[2]) { max=tm[2]; max_idx=2; }
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printf("options BF ecb/s\n");
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printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
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d=tm[max_idx];
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tm[max_idx]= -2.0;
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max= -1.0;
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for (;;)
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{
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for (i=0; i<3; i++)
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{
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if (max < tm[i]) { max=tm[i]; j=i; }
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}
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if (max < 0.0) break;
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printf("%s %12.2f %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
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tm[j]= -2.0;
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max= -1.0;
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}
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switch (max_idx)
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{
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case 0:
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printf("-DBF_DEFAULT_OPTIONS\n");
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break;
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case 1:
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printf("-DBF_PTR\n");
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break;
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case 2:
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printf("-DBF_PTR2\n");
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break;
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}
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exit(0);
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#if defined(LINT) || defined(MSDOS)
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return(0);
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#endif
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}
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