Domain upgrade method in digital rights management

Domain upgrade method in digital rights management

  • CN 101,855,862 A
  • Filed: 10/30/2008
  • Published: 10/06/2010
  • Est. Priority Date: 11/08/2007
  • Status: Active Application
First Claim
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1. domain upgrade method that is used for terminal comprises:

  • Receive the adding domain response message that comprises territory id field and domain key from server;

    The territory baseID of the territory id field that comprises in the described adding domain response message is compared with the territory baseID that is stored in the territory ID in the described terminal;

    If the described territory baseID of the described territory id field that comprises in the described adding domain response is consistent with the described territory baseID in being stored in described terminal, then in territory generation of the territory id field that comprises in the described adding domain response message and the territory generation that is stored in the described territory ID in the described terminal, compared;

    AndIf the described territory of the described territory id field that comprises in the described adding domain response message then changes over received domain key with the domain key that prestores for greater than the described territory generation that is stored in the described terminal.

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