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Method and apparatus for constructing an access control matrix for a set-top box security processor

  • US 7,844,996 B2
  • Filed: 05/23/2005
  • Issued: 11/30/2010
  • Est. Priority Date: 05/23/2005
  • Status: Active Grant
First Claim
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1. A method, the method comprising:

  • determining a plurality of user modes supported by a security processor, the security processor comprising a plurality of security components;

    determining a plurality of rights or privileges for the plurality of security components;

    generating a respective set of access rule tables for each combination of a particular security component and a particular user mode based on the determined plurality of rights or privileges; and

    generating a respective access control list for each corresponding security component based on said generated sets of access rule tables associated with the corresponding security component, wherein the plurality of security components comprises a key ladder security component, and wherein the generated access control lists comprise an access control list for the key ladder security component.

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