Processing rights in DRM systems

Processing rights in DRM systems

  • CN 1,954,281 B
  • Filed: 05/10/2005
  • Issued: 09/19/2012
  • Est. Priority Date: 05/17/2004
  • Status: Active Grant
First Claim
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1. method of in Digital Right Management (DRM) system, handling DRM (Digital Right Management) authority;

  • Wherein created the DRM authority that is used to control accessed content;

    It is included in the step that receives the DRM authority in the DRM system;

    It is characterized in that this method comprises that further the user that allows the DRM system introduces the step of user property authority with the form of the DRM authority that receives in the further restriction DRM system;

    Wherein the user property authority constitutes second group of authority and the DRM authority that receives constitutes first group of authority, and wherein said two groups of authorities are through encrypting the authority in first group and be linked at together with being stored in key in the authority in second group.

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