crypt.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Thu, 16 Apr 2009 12:49:13 +0200
changeset 56 966ad681f25d
parent 32 9b56360ec64e
child 74 829976007e62
permissions -rw-r--r--
Short Description * duff.c Duffs Device, a fast copy algorithm * crypt.c the Salt was to short. * files.c massive directory creation * fork.c a small fork demo committer: Markus Bröker <mbroeker@largo.homelinux.org>

/**
 * test/demos/crypt.c
 * Copyright (C) 2008 Markus Broeker
 */

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <crypt.h>

#define GETRANDOM(max) ('a'+(int)((float)max*rand()/RAND_MAX+1.0))

int main (int argc, char **argv)
{
    char salt[12] = { 0 };

    if (argc != 2) {
        printf ("Usage: %s <plaintext>\n", argv[0]);
        return EXIT_FAILURE;
    }

    srand (time (NULL));

    sprintf (salt, "$1$%c%c%c%c%c%c%c%c",
             GETRANDOM (26), GETRANDOM (26),
             GETRANDOM (26), GETRANDOM (26), GETRANDOM (26), GETRANDOM (26), GETRANDOM (26), GETRANDOM (26));

    printf ("%s\n", crypt (argv[1], salt));
    return EXIT_SUCCESS;
}