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Systems and methods for boot recovery in a secure boot process on a computer with a hardware security module

  • US 20060161769A1
  • Filed: 01/14/2005
  • Published: 07/20/2006
  • Est. Priority Date: 01/14/2005
  • Status: Active Grant
First Claim
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1. A computer readable medium bearing instructions for a computer, said computer comprising a Hardware Security Module (HSM) that contains recorded values, compares submitted values to the recorded values, and releases a secret if the submitted values are correct, said computer readable medium comprising:

  • instructions for measuring data involved in a boot process;

    instructions for submitting a measurement of said data to the HSM;

    instructions for requesting a first secret from the HSM;

    instructions for obtaining a second secret from a source other than the HSM in response to a denial by the HSM of a request for the first secret.

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