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INFORMATION RECORDING MEDIUM, DATA FILE, DATA DISTRIBUTION FILE SET, INFORMATION DISTRIBUTION SERVER, INFORMATION PROCESSING DEVICE, INFORMATION DISTRIBUTION SYSTEM, AND INFORMATION DISTRIBUTION METHOD
INFORMATION RECORDING MEDIUM, DATA FILE, DATA DISTRIBUTION FILE SET, INFORMATION DISTRIBUTION SERVER, INFORMATION PROCESSING DEVICE, INFORMATION DISTRIBUTION SYSTEM, AND INFORMATION DISTRIBUTION METHOD
PROBLEM TO BE SOLVED: To use the function of an AACS (Advanced Access Content System) by changing a title of a pattern, a playlist, or an AV stream prepared beforehand by a virtual file system when actually using the function of the AACS without changing a security certificate file.;SOLUTION: In the information recording medium, encrypted contents subjected to encryption processing to be managed for every content management unit as a content use management unit are recorded, and the content management unit which is used by the encrypted contents, and the content management units J, J+1 to J+8N which are not used by the encrypted contents are set.;COPYRIGHT: (C)2010,JPO&INPIT
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