In an optical disc having an RFID tag, disc control information needed for
control of reproduction of the content recorded in the disc body of the
optical disc is stored in the RFID tag. Thereby, even if the content
recorded in the disc body is illegally copied in some way, common optical
disc apparatus incapable of reading RFID tags cannot read and copy the
disc control information stored in the RFID tag. Accordingly,
unauthorized copying of the content recorded on the optical disc can be
reliably prevented without the use of special cryptographic technology.