@Override
    public boolean haveCapabilitiy ( int cap ) {
        return ( this.capabilities & cap ) == cap;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.SmbNegotiationResponse#isDFSSupported()
     */
    @Override
    public boolean isDFSSupported () {
        return !getConfig().isDfsDisabled() && haveCapabilitiy(SmbConstants.CAP_DFS);
    }


    /**

        return bufferIndex - start;
    }
    int readBytesWireFormat( byte[] buffer,
                                    int bufferIndex ) {
        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 );