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Information storage medium, information processing system, content distribution server, methods and programs therefor, and storage medium for such programs

  • US 20020169972A1
  • Filed: 01/25/2002
  • Published: 11/14/2002
  • Est. Priority Date: 01/25/2001
  • Status: Abandoned Application
First Claim
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1. A data storage comprising:

  • a first storage area for storing an original version of management information; and

    a second storage area for storing an encrypted version of the management information.

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