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-rw-r--r--crypt/speeds.c153
1 files changed, 153 insertions, 0 deletions
diff --git a/crypt/speeds.c b/crypt/speeds.c
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+++ b/crypt/speeds.c
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+/*
+ * This fcrypt/crypt speed testing program
+ * is derived from one floating around in
+ * the net. It's distributed along with
+ * UFC-crypt but is not covered by any
+ * licence.
+ *
+ * @(#)speeds.c 1.11 20 Aug 1996
+ */
+
+#include <signal.h>
+#include <stdio.h>
+
+#ifndef SIGVTALRM
+/*
+ * patch from chip@chinacat.unicom.com (Chip Rosenthal):
+ * you may enable it if your system does not include
+ * a setitimer() function. You'll have to ensure the
+ * existence a environment variable: HZ giving how many
+ * ticks goes per second.
+ * If not existing in your default environment 50, 60
+ * or even 100 may be the right value. Perhaps you should
+ * then use 'time ./ufc 10000' instead of guessing.
+ */
+#define NO_ITIMER
+#endif
+
+#ifdef NO_ITIMER
+#include <sys/types.h>
+#include <sys/times.h>
+#else
+#include <sys/time.h>
+#endif
+
+static int cnt;
+#ifdef NO_ITIMER
+char *hz;
+struct tms tstart, tfinish;
+#endif
+#define ITIME 10 /* Number of seconds to run test. */
+
+char *crypt(), *fcrypt();
+
+void
+Stop ()
+{
+ double elapsed;
+#ifdef NO_ITIMER
+ (void) times(&tfinish);
+ elapsed = ((tfinish.tms_utime + tfinish.tms_stime) -
+ (tstart.tms_utime + tstart.tms_stime)) / atoi(hz);
+ printf("elapsed time = %d sec, CPU time = %f sec\n", ITIME, elapsed);
+#else
+ elapsed = ITIME;
+#endif
+ printf ("Did %f %s()s per second.\n", ((float) cnt) / elapsed,
+#if defined(FCRYPT)
+ "fcrypt"
+#else
+ "crypt"
+#endif
+ );
+ exit (0);
+}
+
+/*
+ * Silly rewrite of 'bzero'. I do so
+ * because some machines don't have
+ * bzero and some don't have memset.
+ */
+
+static void clearmem(start, cnt)
+ char *start;
+ int cnt;
+ { while(cnt--)
+ *start++ = '\0';
+ }
+
+main ()
+{
+ char *s;
+#ifdef NO_ITIMER
+ extern char *getenv();
+#else
+ struct itimerval itv;
+#endif
+
+#ifdef NO_ITIMER
+ if ((hz = getenv("HZ")) == NULL) {
+ fprintf(stderr, "HZ environment parameter undefined\n");
+ exit(1);
+ }
+#endif
+
+#ifdef FCRYPT
+ printf("\n");
+ printf("Warning: this version of the speed program may run slower when\n");
+ printf("benchmarking UFC-crypt than previous versions. This is because it\n");
+ printf("stresses the CPU hardware cache in order to get benchmark figures\n");
+ printf("that corresponds closer to the performance that can be expected in\n");
+ printf("a password cracker.\n\n");
+#endif
+
+ printf ("Running %s for %d seconds of virtual time ...\n",
+#ifdef FCRYPT
+ "UFC-crypt",
+#else
+ "crypt(libc)",
+#endif
+ ITIME);
+
+#ifdef FCRYPT
+ init_des ();
+#endif
+
+#ifdef NO_ITIMER
+ signal(SIGALRM, Stop);
+ switch (fork()) {
+ case -1:
+ perror("fork failed");
+ exit(1);
+ case 0:
+ sleep(10);
+ kill(getppid(), SIGALRM);
+ exit(0);
+ default:
+ (void) times(&tstart);
+ }
+#else
+ clearmem ((char*)&itv, (int)sizeof (itv));
+ signal (SIGVTALRM, Stop);
+ itv.it_value.tv_sec = ITIME;
+ itv.it_value.tv_usec = 0;
+ setitimer (ITIMER_VIRTUAL, &itv, NULL);
+#endif
+
+
+ s = "fredred";
+ for (cnt = 0;; cnt++)
+ {
+#ifdef FCRYPT
+ s = fcrypt (s, "eek");
+#else
+ s = crypt (s, "eek");
+#endif
+ }
+}
+
+
+
+
+
+