*/
    public UniAddress dc;

    NtlmChallenge(final byte[] challenge, final UniAddress dc) {
        this.challenge = challenge;
        this.dc = dc;
    }

    @Override
    public String toString() {
        return "NtlmChallenge[challenge=0x" + Hexdump.toHexString(challenge, 0, challenge.length * 2) + ",dc=" + dc.toString() + "]";
    }

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

    /**
     * Creates a new NTLM challenge with the specified parameters.
     * @param challenge the NTLM challenge bytes
     * @param dc the domain controller address
     */
    public NtlmChallenge(final byte[] challenge, final UniAddress dc) {
        this.challenge = challenge;
        this.dc = dc;
    }

    @Override
    public String toString() {

            UniAddress dc = mock(UniAddress.class);

            NtlmChallenge nc = new NtlmChallenge(challenge, dc);

            assertSame(challenge, nc.challenge);
            assertSame(dc, nc.dc);
        }

        @Test
        @DisplayName("Constructor accepts null challenge")
        void testConstructorAcceptsNullChallenge() {
            UniAddress dc = mock(UniAddress.class);

        UniAddress dc;
        final boolean offerBasic = enableBasic && (insecureBasic || request.isSecure());
        final String msg = request.getHeader("Authorization");
        if (msg != null && (msg.startsWith("NTLM ") || offerBasic && msg.startsWith("Basic "))) {
            if (loadBalance) {
                dc = new UniAddress(NbtAddress.getByName(domainController, 0x1C, null));

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

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

                ntlm = NtlmSsp.authenticate(req, resp, challenge);

     *             use actual Active Directory authentication instead
     */
    @Deprecated
    void logon(CIFSContext tc, Address dc, int port) throws CIFSException;

    /**
     * Get NTLM challenge from a server
     *
     * @param dc the domain controller address
     * @param tc the CIFS context containing credentials
     * @return NTLM challenge

     *
     * @param dc the domain controller address
     * @return the NTLM challenge bytes
     * @throws SmbException if an SMB error occurs
     * @throws UnknownHostException if the host cannot be resolved
     */
    public static byte[] getChallenge(final UniAddress dc) throws SmbException, UnknownHostException {
        return getChallenge(dc, 0);
    }

    /**

    public byte[] getChallenge(final CIFSContext tf, final Address dc) throws SmbException {
        return getChallenge(tf, dc, 0);
    }

    @Override
    public byte[] getChallenge(final CIFSContext tf, final Address dc, final int port) throws SmbException {
        try (SmbTransportInternal trans = tf.getTransportPool()

        Address dc;
        final boolean offerBasic = this.enableBasic && (this.insecureBasic || request.isSecure());
        final String msg = request.getHeader("Authorization");
        if (msg != null && (msg.startsWith("NTLM ") || offerBasic && msg.startsWith("Basic "))) {
            if (this.loadBalance) {