int length = ( src != null ) ? src.length : 0;
        if ( length == 0 ) {
            return offset + 4;
        }
        writeUShort(dest, offset, length);
        writeUShort(dest, offset + 2, length);
        return offset + 4;
    }


    static int writeSecurityBufferContent ( byte[] dest, int pos, int off, byte[] src ) {
        writeULong(dest, off, pos);