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Device, system, and method for protecting cryptographic keying material

  • US 10,438,005 B2
  • Filed: 04/10/2017
  • Issued: 10/08/2019
  • Est. Priority Date: 04/10/2017
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • at an electronic device including a plurality of components housed in an enclosure, the components comprising a data storage unit storing data and a processor configured to execute an application configured to access the data in the data storage unit;

    determining a tamper state of the enclosure, the tamper state being one of a secure state in which the enclosure has not been physically tampered or an unsecure state in which the enclosure has been physically tampered;

    when the tamper state is the secure state, associating a first value with the application; and

    when the tamper state is the unsecure state, associating a second value with the application,wherein the first value is configured to enable access to the data in the data storage unit, andwherein the second value prevents access to the data in the data storage unit.

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