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Apparatus and method for creating a trusted environment

  • US 20050223221A1
  • Filed: 03/25/2005
  • Published: 10/06/2005
  • Est. Priority Date: 11/22/2001
  • Status: Active Grant
First Claim
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1. A computer apparatus for creating a trusted environment comprising a trusted device arranged to acquire a first integrity metric to allow determination as to whether the computer apparatus is operating in a trusted manner;

  • a processor arranged to allow execution of a first trust routine and associated first operating environment, and means for restricting access of the first operating environment to resources available to the trust routine, wherein the trust routine is arranged to acquire a second integrity metric to allow determination as to whether the first operating environment is operating in a trusted manner.

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