public static final int NTLMSSP_NEGOTIATE_TARGET_INFO = 0x00800000;

    /**
    * Indicates that 128-bit encryption is supported.
    */
    public static final int NTLMSSP_NEGOTIATE_128 = 0x20000000;

    public static final int NTLMSSP_NEGOTIATE_KEY_EXCH = 0x40000000;

    /**
    * Indicates that 56-bit encryption is supported.
    */
    public static final int NTLMSSP_NEGOTIATE_56 = 0x80000000;

                    server.encryptionKeyLength != 8 &&
                    LM_COMPATIBILITY == 0) {
            throw new SmbException("Unexpected encryption key length: " + server.encryptionKeyLength);
        }

        /* Adjust negotiated values */

        tconHostName = address.getHostName();

     */
    @Override
    public SmbTransportImpl acquire () {
        return (SmbTransportImpl) super.acquire();
    }


    /**
     * @return the server's encryption key
     */
    @Override
    public byte[] getServerEncryptionKey () {
        if ( this.negotiated == null ) {
            return null;
        }

// DesCipher - the DES encryption method
//
// The meat of this code is by Dave Zimmerman <******@****.***>, and is:
//
// Copyright (c) 1996 Widget Workshop, Inc. All Rights Reserved.
//
// Permission to use, copy, modify, and distribute this software
// and its documentation for NON-COMMERCIAL or COMMERCIAL purposes and
// without fee is hereby granted, provided that this copyright notice is kept
// intact.
//

                }

                if ( ( response.getSessionFlags() & Smb2SessionSetupResponse.SMB2_SESSION_FLAG_ENCRYPT_DATA ) != 0 ) {
                    throw new SmbUnsupportedOperationException("Server requires encryption, not yet supported.");
                }

                if ( preauthIntegrity ) {
                    byte[] reqBytes = request.getRawPayload();