1 /**

     2  * test/demos/md5.c

     3  * Copyright (C) 2008 Markus Broeker

     4  */

     5 

     6 #include <stdio.h>

     7 #include <stdlib.h>

     8 #include <string.h>

     9 #include <openssl/md5.h>

    10 

    11 typedef unsigned char u_char;

    12 

    13 int main (int argc, char **argv)

    14 {

    15     char buffer[80];

    16     char text[80];

    17 

    18     unsigned char *md5_hash;

    19     char result[33];

    20     char byte[3];

    21 

    22     int i, j;

    23 

    24     if (argc != 2) {

    25         printf ("Usage: %s <text>\n", argv[0]);

    26         return EXIT_FAILURE;

    27     }

    28 

    29     /*

    30      * MD5 alters the input buffer

    31      */

    32     strcpy (buffer, argv[1]);

    33     strcpy (text, argv[1]);

    34 

    35     md5_hash = MD5 ((u_char *) buffer, strlen (buffer), NULL);

    36 

    37     for (i = 0, j = 0; i < 16; i++) {

    38         sprintf (byte, "%02x", (md5_hash[i] & 0xFF));

    39         result[j++] = byte[0];

    40         result[j++] = byte[1];

    41     }

    42 

    43     result[j] = 0;

    44     printf ("%s: %s\n", text, result);

    45 

    46     return EXIT_SUCCESS;

    47 }