77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
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#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;
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struct rusage prior, now;
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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, key1[8], key2[8];
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char *k1, *k2;
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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", &alternate) != 1)
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alternate = 0;
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printf ("Running crypt%s for %d seconds of vtime...\n",
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alternate ? " with alternate keys" : "", 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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k1 = (char *) key1;
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k2 = (char *) key2;
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strcpy(k1, "fredfredfredfredfred");
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strcpy(k2, "joejoejoejoejoejoejo");
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if (alternate)
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for (count = 0; keep_going; count++)
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{
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#if defined(LONGCRYPT)
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crypt((count & 1) ? k1 : k2, "_ara.X...");
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#else
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crypt((count & 1) ? k1 : k2, "eek");
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#endif
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}
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else
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for (count = 0; keep_going; count++)
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{
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#if defined(LONGCRYPT)
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crypt(k1, "_ara.X...");
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#else
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crypt(k1, "eek");
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#endif
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}
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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 ("\tDid %d crypt()s per second.\n", 1000 * count / msecs);
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exit(0);
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}
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