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System and method for dynamically extending a DRM system using authenticated external DPR modules

  • US 7,093,296 B2
  • Filed: 01/18/2002
  • Issued: 08/15/2006
  • Est. Priority Date: 01/18/2002
  • Status: Expired due to Fees
First Claim
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1. A method for controlling access to a data set, the method on a computer system comprising:

  • retrieving a digital property rights list identifying at least a first associated digital property rights module and at least a second associated digital property rights module, wherein the at least first associated digital property rights module resides in a Digital Rights Management core, and wherein the at least second associated digital property rights module is an associated extension rights control module that is separate from the Digital Rights Management core;

    retrieving, in response to the associated extension rights control module not being installed, the associated extension rights control module specified in the digital property rights list for generating an authorization for a desired type of access to a data set, wherein the associated extension rights control module verifies that a set of usage conditions associated with the desired type of access has been satisfied;

    wherein upon the retrieving of the associated extension rights control module, the Digital Rights Management core performs the following;

    requesting the authorization for the desired type of access to the data set through the associated extension rights control module;

    receiving the authorization from the associated extension rights control module if the set of usage conditions for the desired type of access is satisfied; and

    granting, in response to receipt of the authorization, the desired type of access to the data set.

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