RECORDING MEDIUM WITH COPY PROTECTION INDICATING INFORMATION, AND APPARATUS AND METHOD FOR FORMING, RECORDING, REPRODUCING DATA, AND RESTRICTING REPRODUCTION OF DATA

摘要

PROBLEM TO BE SOLVED: To reproduce contents recorded in a data area of a BD-ROM independently of ciphering of the contents without performing useless operation. SOLUTION: The recording medium has a control information area including a plurality of control information units to control recording or reproducing of data to be recorded or recorded in the recording medium, and a data area where data is to be recorded or recorded. At least one of the control information units has an identifier to indicate presence of copy protection information in the recording medium, and the copy protection information is required for a copy protection system. COPYRIGHT: (C)2006,JPO&NCIPI