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Methods and apparatus to certify digital signatures

  • US 9,531,546 B2
  • Filed: 03/02/2015
  • Issued: 12/27/2016
  • Est. Priority Date: 02/13/2006
  • Status: Active Grant
First Claim
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1. A method to process digital signature certification requests, the method comprising:

  • retrieving, from a first database, a first geographical location associated with an identification number associated with a network device and identified in a request to certify a digital signature;

    comparing the first geographical location associated with the identification number to a second geographical location to verify the second geographical location; and

    in response to the verification of the second geographical location and to a comparison of (a) biometric information associated with a user associated with the request and (b) stored biometric information, instructing a certificate issuer to certify the digital signature to indicate an authenticity of the digital signature.

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