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Keyed PV Signatures

  • US 20120239930A1
  • Filed: 03/16/2012
  • Published: 09/20/2012
  • Est. Priority Date: 03/18/2011
  • Status: Active Grant
First Claim
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1. A method of enabling a second correspondent device to prove to a third party the authenticity of a signed message received from a first correspondent device, the method comprising:

  • (a) obtaining the signed message comprising a confidential component;

    (b) operating upon at least a portion of the signed message comprising the confidential component to generate a first value;

    (c) generating a second value using the first value, a public value of the first correspondent device, and a private value of the second correspondent device;

    (d) sending the second value to the third party; and

    (e) proving knowledge to the third party of the private value.

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