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Method and apparatus for implementing revocation in broadcast networks

  • US 7,225,164 B1
  • Filed: 02/15/2000
  • Issued: 05/29/2007
  • Est. Priority Date: 02/15/2000
  • Status: Expired due to Term
First Claim
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1. A method for controlling access to copy controlled content to a host device comprising:

  • receiving copy controlled content;

    receiving a revocation list corresponding to a given range of host identifiers;

    verifying that an identifier of a host device associated with an access module is within the range of host identifiers;

    determining whether the host device associated with the access module is on the revocation list after the identifier of the host device is verified to be within the range of the host identifiers for the revocation list; and

    if the identification of the host device is on the revocation list, causing the associated access module to deny the copy controlled content to the host device.

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