import javax.security.auth.Subject;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Credentials;


/**
 * @author mbechler
 *
 */
public interface CredentialsInternal extends Cloneable, Credentials {

    /**
     * 
     * @return a copy of the credentials
     */
    CredentialsInternal clone ();


    /**
     * @param tc
     * @param targetDomain
     * @param host

 * HMACT64 is defined by Luke Leighton as a modified HMAC-MD5 (RFC 2104)
 * in which the key is truncated at 64 bytes (rather than being hashed
 * via MD5).
 */ 
public class HMACT64 extends MessageDigest implements Cloneable {

    private static final int BLOCK_LENGTH = 64;

    private static final byte IPAD = (byte) 0x36;

    private static final byte OPAD = (byte) 0x5c;

    private MessageDigest md5;

 * HMACT64 is defined by Luke Leighton as a modified HMAC-MD5 (RFC 2104)
 * in which the key is truncated at 64 bytes (rather than being hashed
 * via MD5).
 */
class HMACT64 extends MessageDigest implements Cloneable {

    private static final int BLOCK_LENGTH = 64;

    private static final byte IPAD = (byte) 0x36;

    private static final byte OPAD = (byte) 0x5c;

    private MessageDigest md5;

 * Invariant:
 * A directory resource must have a trailing slash/backslash for both URL and UNC path at all times.
 * 
 * @author mbechler
 *
 */
class SmbResourceLocatorImpl implements SmbResourceLocatorInternal, Cloneable {

    private static final Logger log = LoggerFactory.getLogger(SmbResourceLocatorImpl.class);

    private final URL url;

    private DfsReferralData dfsReferral = null; // For getDfsPath() and getServerWithDfs()

 *        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
//...........................................................................

    /**
     * The size in bytes of the input block to the tranformation algorithm.
     */