* @param from
     */
    protected static void cloneInternal ( NtlmPasswordAuthentication to, NtlmPasswordAuthentication from ) {
        to.context = from.context;
        if ( from.hashesExternal ) {
            to.hashesExternal = true;
            to.ansiHash = from.ansiHash != null ? Arrays.copyOf(from.ansiHash, from.ansiHash.length) : null;

        return 0;
    }

    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {

        if( session.transport.server.security == SECURITY_SHARE &&
                        ( session.auth.hashesExternal ||
                        session.auth.password.length() > 0 )) {

            if( session.transport.server.encryptedPasswords ) {
                // encrypted