| /* |
| * 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 an 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 (void) |
| { |
| 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 (void) |
| { |
| 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 |
| } |
| } |
| |
| |
| |
| |
| |
| |