crypt.c
author Markus Brökers <mbroeker@largo.homelinux.org>
Wed, 18 Aug 2010 18:17:51 +0200
changeset 143 88d9b8bfa7a5
parent 131 b5ad49852adc
permissions -rw-r--r--
a md5 demo is already in lsflib/tools

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

#define _XOPEN_SOURCE 500

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.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;
}