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8b2981f937
will in due course become libcipher. Based on David Burren's FreeSEC Submitted by: Geoff.
62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <signal.h>
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#include <stdio.h>
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int keep_going, count, alternate, seconds, iters;
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struct rusage prior, now;
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u_long block[3];
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char *blk;
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void
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finish()
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{
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keep_going = 0;
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}
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main(int argc, char *argv[])
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{
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struct itimerval itv;
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u_long msecs;
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if (argc < 2 || sscanf(argv[1], "%d", &seconds) != 1)
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seconds = 20;
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if (argc < 3 || sscanf(argv[2], "%d", &iters) != 1)
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iters = 1;
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printf ("Running des_cipher( , , 0L, %d) for %d seconds of vtime...\n",
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iters, seconds);
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bzero(&itv, sizeof (itv));
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signal (SIGVTALRM, finish);
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itv.it_value.tv_sec = seconds;
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itv.it_value.tv_usec = 0;
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setitimer(ITIMER_VIRTUAL, &itv, NULL);
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keep_going = 1;
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if (getrusage(0, &prior) < 0) {
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perror("getrusage");
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exit(1);
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}
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blk = (char *) block;
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(void)des_setkey(blk);
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for (count = 0; keep_going; count++)
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(void) des_cipher(blk, blk, 0, iters);
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if (getrusage(0, &now) < 0) {
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perror("getrusage");
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exit(1);
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}
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msecs = (now.ru_utime.tv_sec - prior.ru_utime.tv_sec) * 1000
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+ (now.ru_utime.tv_usec - prior.ru_utime.tv_usec) / 1000;
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printf ("Did %d encryptions per second, each of %d iteration(s).\n",
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1000 * count / msecs, iters);
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printf ("\tTotal %d blocks per second.\n", (1000*iters*count)/msecs);
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exit(0);
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}
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