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SYSTEM, METHOD AND PROGRAM PRODUCT FOR CHECKING REVOCATION STATUS OF A BIOMETRIC REFERENCE TEMPLATE

  • US 20100205431A1
  • Filed: 02/12/2009
  • Published: 08/12/2010
  • Est. Priority Date: 02/12/2009
  • Status: Active Grant
First Claim
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1. A method for checking revocation status of a biometric reference template, said method comprising the steps of:

  • creating a reference template revocation object for a biometric reference template generated for an individual, said reference template revocation object containing a first set of plaintext data providing a location for checking revocation status of said biometric reference template and containing ciphertext data corresponding to a second set of plaintext data identifying said unique biometric reference template identifier and a hash of said biometric reference template;

    providing said reference template revocation object created to a relying party requesting revocation status of said biometric reference template; and

    sending a request to an issuer of said biometric reference template for checking said revocation status of said biometric reference template, without revealing identity of said individual.

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