Initial revision
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@171 ec53bebd-3082-4978-b11e-865c3cabbd6b
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Unknown User d91-jda
205
lib/des/speed.c
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205
lib/des/speed.c
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/* speed.c */
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/* Copyright (C) 1993 Eric Young - see README for more details */
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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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#ifndef MSDOS
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#define TIMES
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#endif
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#include <stdio.h>
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#include <signal.h>
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#ifndef VMS
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#if !(defined(_IRIX) || defined(sgi))
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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 /* TIMES */
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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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#include "des.h"
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/* The following if from times(3) man page. It may need to be changed */
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#ifndef CLK_TCK
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#ifndef VMS
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#define HZ 60.0
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#else /* VMS */
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#define HZ 100.0
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#endif
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#else /* CLK_TCK */
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#define HZ ((double)CLK_TCK)
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#endif
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#define BUFSIZE ((long)1024*8)
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long run=0;
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#ifdef SIGALRM
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#ifdef __STDC__
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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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static SIGRETTYPE
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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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}
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unsigned int alarm(int seconds);
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#endif
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#define START 0
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#define STOP 1
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static double
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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)/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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void
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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 des_cblock key={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
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des_key_schedule sch;
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double d,a,b,c;
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#ifndef SIGALRM
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long ca,cb,cc,cd;
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#endif
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#ifndef TIMES
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printf("To get the most acurate 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 aproximate speed ...\n");
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des_set_key((des_cblock *)key,sch);
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count=10;
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do {
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int i;
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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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des_ecb_encrypt((des_cblock *)buf,(des_cblock *)buf,
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&(sch[0]),DES_ENCRYPT);
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d=Time_F(STOP);
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} while (d <3);
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ca=count;
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cb=count*10;
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cc=count*10*8/BUFSIZE+1;
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cd=count/20+1;
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printf("Doing 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 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++)
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des_set_key((des_cblock *)key,sch);
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d=Time_F(STOP);
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printf("%ld 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 des_ecb_encrypt's for 10 seconds\n");
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alarm(10);
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#else
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printf("Doing des_ecb_encrypt %ld times\n",cb);
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#endif
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Time_F(START);
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for (count=0,run=1; COND(cb); count++)
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des_ecb_encrypt((des_cblock *)buf,(des_cblock *)buf,
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&(sch[0]),DES_ENCRYPT);
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d=Time_F(STOP);
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printf("%ld des_ecb_encrypt's in %.2f second\n",count,d);
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b=((double)COUNT(cb)*8)/d;
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#ifdef SIGALRM
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printf("Doing des_cbc_encrypt on %ld byte blocks for 10 seconds\n",
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BUFSIZE);
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alarm(10);
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#else
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printf("Doing des_cbc_encrypt %ld times on %ld byte blocks\n",cc,
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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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des_cbc_encrypt((des_cblock *)buf,(des_cblock *)buf,BUFSIZE,&(sch[0]),
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(des_cblock *)&(key[0]),DES_ENCRYPT);
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d=Time_F(STOP);
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printf("%ld des_cbc_encrypt'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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#ifdef SIGALRM
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printf("Doing crypt for 10 seconds\n");
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alarm(10);
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#else
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printf("Doing crypt %ld times\n",cd);
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#endif
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Time_F(START);
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for (count=0,run=1; COND(cd); count++)
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crypt("testing1","ef");
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d=Time_F(STOP);
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printf("%ld crypts in %.2f second\n",count,d);
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d=((double)COUNT(cd))/d;
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printf("set_key per sec = %12.2f (%5.1fuS)\n",a,1.0e6/a);
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printf("DES ecb bytes per sec = %12.2f (%5.1fuS)\n",b,8.0e6/b);
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printf("DES cbc bytes per sec = %12.2f (%5.1fuS)\n",c,8.0e6/c);
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printf("crypt per sec = %12.2f (%5.1fuS)\n",d,1.0e6/d);
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}
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