if (identifier_authority[0] != (byte)0 || identifier_authority[1] != (byte)0) {
            ret += "0x";
            ret += Hexdump.toHexString(identifier_authority, 0, 6);
        } else {
            long shift = 0;
            long id = 0;
            for (int i = 5; i > 1; i--) {
                id += (identifier_authority[i] & 0xFFL) << shift;
                shift += 8;

        if ( this.identifier_authority[ 0 ] != (byte) 0 || this.identifier_authority[ 1 ] != (byte) 0 ) {
            ret += "0x";
            ret += Hexdump.toHexString(this.identifier_authority, 0, 6);
        }
        else {
            long shift = 0;
            long id = 0;
            for ( int i = 5; i > 1; i-- ) {
                id += ( this.identifier_authority[ i ] & 0xFFL ) << shift;