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+/* crypto/des/speed.c */
+/* Copyright (C) 1995-1997 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 */
+
+#ifndef MSDOS
+#define TIMES
+#endif
+
+#include <stdio.h>
+#ifndef MSDOS
+#include <unistd.h>
+#else
+#include <io.h>
+extern int exit();
+#endif
+#include <signal.h>
+#ifndef VMS
+#ifndef _IRIX
+#include <time.h>
+#endif
+#ifdef TIMES
+#include <sys/types.h>
+#include <sys/times.h>
+#endif
+#else /* VMS */
+#include <types.h>
+struct tms {
+ time_t tms_utime;
+ time_t tms_stime;
+ time_t tms_uchild; /* I dunno... */
+ time_t tms_uchildsys; /* so these names are a guess :-) */
+ }
+#endif
+#ifndef TIMES
+#include <sys/timeb.h>
+#endif
+
+#ifdef sun
+#include <limits.h>
+#include <sys/param.h>
+#endif
+
+#include "des.h"
+
+/* 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 */
+# ifndef VMS
+# define HZ 100.0
+# else /* VMS */
+# define HZ 100.0
+# endif
+# 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;
+
+#ifndef NOPROTO
+double Time_F(int s);
+#else
+double Time_F();
+#endif
+
+#ifdef SIGALRM
+#if defined(__STDC__) || defined(sgi) || defined(_AIX)
+#define SIGRETTYPE void
+#else
+#define SIGRETTYPE int
+#endif
+
+#ifndef NOPROTO
+SIGRETTYPE sig_done(int sig);
+#else
+SIGRETTYPE sig_done();
+#endif
+
+SIGRETTYPE sig_done(sig)
+int sig;
+ {
+ signal(SIGALRM,sig_done);
+ run=0;
+#ifdef LINT
+ sig=sig;
+#endif
+ }
+#endif
+
+#define START 0
+#define STOP 1
+
+double Time_F(s)
+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(argc,argv)
+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 a,b,c,d,e;
+#ifndef SIGALRM
+ long ca,cb,cc,cd,ce;
+#endif
+
+#ifndef TIMES
+ printf("To get the most acurate results, try to run this\n");
+ printf("program when this computer is idle.\n");
+#endif
+
+ des_set_key((C_Block *)key2,sch2);
+ des_set_key((C_Block *)key3,sch3);
+
+#ifndef SIGALRM
+ printf("First we calculate the approximate speed ...\n");
+ des_set_key((C_Block *)key,sch);
+ count=10;
+ do {
+ long i;
+ DES_LONG data[2];
+
+ count*=2;
+ Time_F(START);
+ for (i=count; i; i--)
+ des_encrypt(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;
+ printf("Doing 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 set_key for 10 seconds\n");
+ alarm(10);
+#endif
+
+ Time_F(START);
+ for (count=0,run=1; COND(ca); count++)
+ des_set_key((C_Block *)key,sch);
+ d=Time_F(STOP);
+ printf("%ld set_key's in %.2f seconds\n",count,d);
+ a=((double)COUNT(ca))/d;
+
+#ifdef SIGALRM
+ printf("Doing des_encrypt's for 10 seconds\n");
+ alarm(10);
+#else
+ printf("Doing des_encrypt %ld times\n",cb);
+#endif
+ Time_F(START);
+ for (count=0,run=1; COND(cb); count++)
+ {
+ DES_LONG data[2];
+
+ des_encrypt(data,&(sch[0]),DES_ENCRYPT);
+ }
+ d=Time_F(STOP);
+ printf("%ld des_encrypt's in %.2f second\n",count,d);
+ b=((double)COUNT(cb)*8)/d;
+
+#ifdef SIGALRM
+ printf("Doing des_cbc_encrypt on %ld byte blocks for 10 seconds\n",
+ BUFSIZE);
+ alarm(10);
+#else
+ printf("Doing des_cbc_encrypt %ld times on %ld byte blocks\n",cc,
+ BUFSIZE);
+#endif
+ Time_F(START);
+ for (count=0,run=1; COND(cc); count++)
+ des_ncbc_encrypt((C_Block *)buf,(C_Block *)buf,BUFSIZE,&(sch[0]),
+ (C_Block *)&(key[0]),DES_ENCRYPT);
+ d=Time_F(STOP);
+ printf("%ld des_cbc_encrypt's of %ld byte blocks in %.2f second\n",
+ count,BUFSIZE,d);
+ c=((double)COUNT(cc)*BUFSIZE)/d;
+
+#ifdef SIGALRM
+ printf("Doing des_ede_cbc_encrypt on %ld byte blocks for 10 seconds\n",
+ BUFSIZE);
+ alarm(10);
+#else
+ printf("Doing des_ede_cbc_encrypt %ld times on %ld byte blocks\n",cd,
+ BUFSIZE);
+#endif
+ Time_F(START);
+ for (count=0,run=1; COND(cd); count++)
+ des_ede3_cbc_encrypt((C_Block *)buf,(C_Block *)buf,BUFSIZE,
+ &(sch[0]),
+ &(sch2[0]),
+ &(sch3[0]),
+ (C_Block *)&(key[0]),
+ DES_ENCRYPT);
+ d=Time_F(STOP);
+ printf("%ld des_ede_cbc_encrypt's of %ld byte blocks in %.2f second\n",
+ count,BUFSIZE,d);
+ d=((double)COUNT(cd)*BUFSIZE)/d;
+
+#ifdef SIGALRM
+ printf("Doing crypt for 10 seconds\n");
+ alarm(10);
+#else
+ printf("Doing crypt %ld times\n",ce);
+#endif
+ Time_F(START);
+ for (count=0,run=1; COND(ce); count++)
+ crypt("testing1","ef");
+ e=Time_F(STOP);
+ printf("%ld crypts in %.2f second\n",count,e);
+ e=((double)COUNT(ce))/e;
+
+ printf("set_key per sec = %12.2f (%5.1fuS)\n",a,1.0e6/a);
+ printf("DES raw ecb bytes per sec = %12.2f (%5.1fuS)\n",b,8.0e6/b);
+ printf("DES cbc bytes per sec = %12.2f (%5.1fuS)\n",c,8.0e6/c);
+ printf("DES ede cbc bytes per sec = %12.2f (%5.1fuS)\n",d,8.0e6/d);
+ printf("crypt per sec = %12.2f (%5.1fuS)\n",e,1.0e6/e);
+ exit(0);
+#if defined(LINT) || defined(MSDOS)
+ return(0);
+#endif
+ }