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Method for extending the CRTM in a trusted platform

  • US 20060010326A1
  • Filed: 07/08/2004
  • Published: 01/12/2006
  • Est. Priority Date: 07/08/2004
  • Status: Abandoned Application
First Claim
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1. A method in a data processing system for extending a core root of trust measurement within a trusted computing platform, comprising:

  • responsive to compiling a module image, generating a hash value;

    determining if the hash value of the module image is to be an extension of the core root of trust measurement;

    in response to determining that the hash value of the module image is to be a core root of trust measurement extension, creating a digital signature for the module using the core root of trust measurement private key; and

    adding the digital signature to the module, wherein adding the digital signature allows platform manufacturer controlled and certified code to be incorporated into functions of the core root of trust measurement.

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