/** The key of the message: WebP Audio */
    public static final String LABELS_facet_filetype_webp = "{labels.facet_filetype_webp}";

    /** The key of the message: AIF Audio */
    public static final String LABELS_facet_filetype_aif = "{labels.facet_filetype_aif}";

    /** The key of the message: MIDI Audio */
    public static final String LABELS_facet_filetype_midi = "{labels.facet_filetype_midi}";

 *        "<a href="http://www.roxen.com/rfc/rfc1320.html">
 *        The MD4 Message-Digest Algorithm</a>",
 *        IETF RFC-1320 (informational).
 * </ol>
 *
 * <p><b>$Revision: 1.2 $</b>
 * @author  Raif S. Naffah
 */
public  class MD4 extends MessageDigest implements Cloneable
{
// MD4 specific object variables
//...........................................................................

    /**