static final NtlmPasswordAuthentication DEFAULT =
                new NtlmPasswordAuthentication( null );

    String domain;
    String username;
    String password;
    byte[] ansiHash;
    byte[] unicodeHash;
    boolean hashesExternal = false;
    byte[] clientChallenge = null;
    byte[] challenge = null;

/**

    }


    @Override
    public NtlmPasswordAuthentication clone () {
        NtlmPasswordAuthentication cloned = new NtlmPasswordAuthentication();
        cloneInternal(cloned, this);
        return cloned;
    }


    /**
     * @param to
     * @param from
     */
    protected static void cloneInternal ( NtlmPasswordAuthentication to, NtlmPasswordAuthentication from ) {
        to.context = from.context;

     * @return True if the negotiation is complete, otherwise false
     */
    protected NtlmPasswordAuthentication negotiate( HttpServletRequest req,
                HttpServletResponse resp,
                boolean skipAuthentication ) throws IOException, ServletException {
        UniAddress dc;
        String msg;
        NtlmPasswordAuthentication ntlm = null;
        msg = req.getHeader( "Authorization" );

        if (session.transport.server.security == SECURITY_USER) {
            if (cred instanceof NtlmPasswordAuthentication) {
                NtlmPasswordAuthentication auth = (NtlmPasswordAuthentication)cred;

                if (auth == NtlmPasswordAuthentication.ANONYMOUS) {
                    lmHash = new byte[0];
                    ntHash = new byte[0];

                            if( auth.hashesExternal && NtlmPasswordAuthentication.DEFAULT_PASSWORD != NtlmPasswordAuthentication.BLANK ) {
                                /* preauthentication
                                 */
                                transport.getSmbSession( NtlmPasswordAuthentication.DEFAULT ).getSmbTree( LOGON_SHARE, null ).treeConnect( null, null );
                            } else {

import jcifs.smb1.ntlmssp.NtlmFlags;
import jcifs.smb1.ntlmssp.Type1Message;
import jcifs.smb1.ntlmssp.Type2Message;
import jcifs.smb1.ntlmssp.Type3Message;
import jcifs.smb1.smb1.NtlmPasswordAuthentication;
import jcifs.smb1.util.Base64;

/**
 * This class is used internally by <tt>NtlmHttpFilter</tt>,
 * <tt>NtlmServlet</tt>, and <tt>NetworkExplorer</tt> to negiotiate password

import jcifs.CIFSContext;
import jcifs.ntlmssp.NtlmFlags;
import jcifs.ntlmssp.Type1Message;
import jcifs.ntlmssp.Type2Message;
import jcifs.ntlmssp.Type3Message;
import jcifs.smb.NtlmPasswordAuthentication;


/**
 * This class is used internally by <tt>NtlmHttpFilter</tt>,
 * <tt>NtlmServlet</tt>, and <tt>NetworkExplorer</tt> to negotiate password

     * @throws ServletException
     */
    protected NtlmPasswordAuthentication negotiate ( HttpServletRequest req, HttpServletResponse resp, boolean skipAuthentication )
            throws IOException, ServletException {
        Address dc;
        String msg;
        NtlmPasswordAuthentication ntlm = null;
        msg = req.getHeader("Authorization");

// NTLMv1 w/ NTLM2 session sec and key exch all been verified with a debug build of smbclient

                byte[] responseKeyNT = NtlmPasswordAuthentication.nTOWFv1(password);
                byte[] ntlm2Response = NtlmPasswordAuthentication.getNTLM2Response(responseKeyNT,
                            type2.getChallenge(),
                            clientChallenge);

        return sae;
    }

/**
Used internally by jCIFS when an <tt>SmbAuthException</tt> is trapped to retrieve new user credentials.
 */

    public static NtlmPasswordAuthentication
                requestNtlmPasswordAuthentication( String url, SmbAuthException sae ) {
        if( auth == null ) {
            return null;
        }
        synchronized( auth ) {
            auth.url = url;