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Information recording medium, data processing method, and computer program

  • US 20060150251A1
  • Filed: 05/11/2004
  • Published: 07/06/2006
  • Est. Priority Date: 06/09/2003
  • Status: Abandoned Application
First Claim
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1. An information recording medium storing encrypted content, having a configuration in which content and an entity code set for each entity in a manufacturing route of said information recording medium, and data included in a certain encryption processing unit is encrypted by a key generated on the basis of a seed providing encryption processing key generating information set for each said encryption processing unit and said entity code is stored in an encrypted area which is encrypted by said key generated on the basis of said seed, said encrypted area not overlapping an area to which said seed is set.

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