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SYSTEM AND METHOD FOR N-ARY LOCALITY IN A SECURITY CO-PROCESSOR

  • US 20110314298A1
  • Filed: 06/21/2010
  • Published: 12/22/2011
  • Est. Priority Date: 06/21/2010
  • Status: Active Grant
First Claim
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1. A method of enhancing locality in a security co-processor module of a computing system comprising:

  • receiving a request by the security co-processor module to execute an operation;

    determining a security mode for the security co-processor module;

    when the security mode is normal, checking a machine mode of the computing system environment and executing the requested operation when the machine mode is acceptable; and

    when the security mode is enhanced, getting a security policy, getting a current geographic location of the computing system and a current trusted time, determining if the requested operation is acceptable according to geographic location and trusted time attribute entries specified in the security policy, the current geographic location, and the current trusted time, checking the machine mode of the computing system environment when the requested operation is acceptable, and executing the requested operation when the machine mode is acceptable.

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