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Hardware-based device authentication

  • US 9,294,478 B2
  • Filed: 09/29/2014
  • Issued: 03/22/2016
  • Est. Priority Date: 12/23/2012
  • Status: Active Grant
First Claim
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1. At least one non-transitory machine accessible storage medium having instructions stored thereon, the instructions when executed on a machine, cause the machine to:

  • detect that a computing device has entered a particular domain;

    receive a domain identifier of the particular domain over a network associated with the particular domain, the domain identifier included in a domain certificate;

    identify, using a secured microcontroller of the computing device, a secured, persistent hardware identifier of the computing device stored in secured memory of the computing device, wherein the secured microcontroller is independent of an operating system of the computing device and values of secure identifiers derived by the secured microcontroller are hidden from the operating system, the hardware identifier derived from a fuse key stored in a non-volatile memory of the computing device during fabrication; and

    derive, using the secured microcontroller, a secure identifier for a pairing of the computing device and the particular domain based on the hardware identifier and the domain identifier of the particular domain.

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