Via server by right objects the apparatus and method from an equipment moving to another equipment

Via server by right objects the apparatus and method from an equipment moving to another equipment

  • CN 101,375,543 B
  • Filed: 01/25/2007
  • Issued: 05/11/2016
  • Est. Priority Date: 01/26/2006
  • Status: Active Grant
First Claim
Patent Images

1. one kind is transmitted the right objects RO being issued by this server between equipment via serverMethod, the method comprises the following steps:

  • Receive rights object acquisition protocol ROAP by transmitting apparatus from described server and trigger message,Right objects RO based on issued generates the 2nd RO,Generate right objects by described transmitting apparatus and move request message;

    Send described right objects from described transmitting apparatus to described server and move request message, withRequest transmits described the 2nd RO via described server to receiving equipment, and described right objects moves pleaseAsk message to comprise described the 2nd RO, described the 2nd RO has except being included in<

    protectedRO>

    In element<

    ro>

    Element<

    encKey>

    Element and being included in<

    protectedRO>

    In element<

    mac>

    content identical with the content of issued RO beyond element;

    If wherein described server has kept the RO issuing, described right objects moves requestMessage comprises the identifier of issued RO,If wherein described the 2nd RO is included in described right objects and moves in request message,The signature of described server is also included within described the 2nd RO, and the signature of described server is for trueProtecting described signature is created by described server;

    Wherein, described right objects moves ID that request message also comprises requesting service, serverID, equipment real data, current DRM time and the right objects identified by transmitting apparatus moveThe digital signature of request message,The right objects that moves request message for described right objects from described server reception movesResponse message;

    AndDelete RO or the amendment status information relevant to issued RO issued.

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