/**
     * Challenge
     */
    public byte[] challenge;

    /**
     * Server address
     */
    public UniAddress dc;


    /**
     * @param challenge
     * @param dc
     */
    public NtlmChallenge ( byte[] challenge, UniAddress dc ) {
        this.challenge = challenge;
        this.dc = dc;
    }


    @Override

 */
    public byte[] getAnsiHash( byte[] challenge ) {
        if( hashesExternal ) {
            return ansiHash;
        }
        switch (LM_COMPATIBILITY) {
        case 0:
        case 1:
            return getPreNTLMResponse( password, challenge );
        case 2:
            return getNTLMResponse( password, challenge );
        case 3:
        case 4:

        String target = "TARGET";
        byte[] challenge = new byte[] {
            0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8
        };

        Type2Message t2 = new Type2Message(this.context, flags, challenge, target);
        Type2Message parsed = new Type2Message(t2.toByteArray());
        assertArrayEquals(challenge, parsed.getChallenge());
        assertEquals(target, parsed.getTarget());
    }

     * @param resp The response.
     * @param challenge The domain controller challenge.
     * @throws IOException If an IO error occurs.
     * @throws ServletException If an error occurs.
     */
    public NtlmPasswordAuthentication doAuthentication(
            HttpServletRequest req, HttpServletResponse resp, byte[] challenge)
                    throws IOException, ServletException {

     *            The user's password.
     * @param challenge
     *            The server challenge.
     * @param clientChallenge
     *            The client challenge (nonce).
     * @return the calculated response
     * @throws GeneralSecurityException
     */
    public static byte[] getLMv2Response ( String domain, String user, String password, byte[] challenge, byte[] clientChallenge )

    }


    /**
     * Returns the challenge for this message.
     *
     * @return A <code>byte[]</code> containing the challenge.
     */
    public byte[] getChallenge () {
        return this.challenge;
    }


    /**
     * Sets the challenge for this message.
     *
     * @param challenge
     *            The challenge from the domain controller/server.
     */

     *            The response.
     * @param challenge
     *            The domain controller challenge.
     * @return credentials passed in the servlet request
     * @throws IOException
     *             If an IO error occurs.
     */
    public NtlmPasswordAuthentication doAuthentication ( CIFSContext tc, HttpServletRequest req, HttpServletResponse resp, byte[] challenge )
            throws IOException {

                    }
                    dc = chal.dc;
                    challenge = chal.challenge;
                }
                else {
                    dc = getTransportContext().getNameServiceClient().getByName(this.domainController, true);
                    challenge = getTransportContext().getTransportPool().getChallenge(getTransportContext(), dc);
                }

                    }
                    dc = chal.dc;
                    challenge = chal.challenge;
                } else {
                    dc = UniAddress.getByName( domainController, true );
                    challenge = SmbSession.getChallenge( dc );
                }

                if(( ntlm = NtlmSsp.authenticate( req, resp, challenge )) == null ) {
                    return null;
                }

        parse(material);
    }

    /**
     * Returns the challenge for this message.
     *
     * @return A <code>byte[]</code> containing the challenge.
     */
    public byte[] getChallenge() {
        return challenge;
    }

    /**
     * Sets the challenge for this message.
     *
     * @param challenge The challenge from the domain controller/server.
     */