boolean signaturesRequired;
        int maxNumberVcs;
        int maxRawSize;
        long serverTime;
        int serverTimeZone;
        int encryptionKeyLength;
        byte[] encryptionKey;
        byte[] guid;
    }

    InetAddress localAddr;
    int localPort;
    UniAddress address;
    Socket socket;
    int port, mid;
    OutputStream out;
    InputStream in;

                auth.getUserSessionKey(transport.server.encryptionKey, macSigningKey, 0);
                System.arraycopy(auth.getUnicodeHash(transport.server.encryptionKey), 0, macSigningKey, 16, 24);
                break;
            case 3:
            case 4:
            case 5:
                macSigningKey = new byte[16];
                auth.getUserSessionKey(transport.server.encryptionKey, macSigningKey, 0);
                break;

                } else if (session.transport.server.encryptedPasswords) {
                    lmHash = auth.getAnsiHash(session.transport.server.encryptionKey);
                    ntHash = auth.getUnicodeHash(session.transport.server.encryptionKey);
                    // prohibit HTTP auth attempts for the null session
                    if (lmHash.length == 0 && ntHash.length == 0) {

        final int start = bufferIndex;

        if ((server.capabilities & CAP_EXTENDED_SECURITY) == 0) {
            server.encryptionKey = new byte[server.encryptionKeyLength];
            System.arraycopy(buffer, bufferIndex, server.encryptionKey, 0, server.encryptionKeyLength);
            bufferIndex += server.encryptionKeyLength;
            if (byteCount > server.encryptionKeyLength) {

            final SmbSession ssn = trans.getSmbSession(NtlmPasswordAuthentication.DEFAULT);
            ssn.getSmbTree(LOGON_SHARE, null).treeConnect(null, null);
        }
        return new NtlmChallenge(trans.server.encryptionKey, dc);
    }

    /**
     * Retrieves an NTLM challenge from a domain controller for the configured domain.
     *
     * @return the NTLM challenge from the domain controller

                    if (server.encryptedPasswords) {
                        this.lmHash = a.getAnsiHash(tc, server.encryptionKey);
                        this.ntHash = a.getUnicodeHash(tc, server.encryptionKey);
                        // prohibit HTTP auth attempts for the null session
                        if (this.lmHash.length == 0 && this.ntHash.length == 0) {

        SmbTransport.ServerData serverData = mockTransport.new ServerData();
        serverData.security = ServerMessageBlock.SECURITY_USER;
        serverData.encryptedPasswords = true;
        serverData.encryptionKey = new byte[8];

        // Configure mock transport
        mockTransport.server = serverData;
        mockTransport.sessionKey = 0x12345678;

    private static class ServerDataStub extends ServerData {
        public ServerDataStub() {
            this.security = SmbConstants.SECURITY_USER;
            this.encryptedPasswords = false;
            this.encryptionKey = new byte[0];
        }
    }

    @Test
    void anonymousGuestCredentials() throws Exception {
        setupNegotiateStubs();

        NtlmPasswordAuthenticator auth = mock(NtlmPasswordAuthenticator.class);

            if (session.transport.server.encryptedPasswords) {
                // encrypted
                password = session.auth.getAnsiHash(session.transport.server.encryptionKey);
                passwordLength = password.length;
            } else if (DISABLE_PLAIN_TEXT_PASSWORDS) {
                throw new RuntimeException("Plain text passwords are disabled");
            } else {

        SmbTransport.ServerData serverData = transport.new ServerData();
        serverData.security = 0; // Set to 0 or appropriate value for SECURITY_SHARE
        serverData.encryptionKey = new byte[8]; // Initialize with empty encryption key

        // Configure the mock transport with the server data
        transport.server = serverData;

        smbtStatic = mockStatic(SmbTransport.class);