Patent ID: 8327134
Filing Date: 2012-12-04
Classification: G06F,H04L

Abstract:
1. A method for checking a revocation status of a biometric reference template, said method comprising: creating, by a processor of a computer system, a reference template revocation object for the biometric reference template previously generated for an individual, said creating the reference template revocation object comprising: inserting into the reference template revocation object first plaintext data providing a location for checking the revocation status of the biometric reference template, inserting into the reference template revocation object a unique biometric reference template identifier that uniquely identifies the biometric reference template, computing a hash value of the biometric reference template, and inserting into the reference template revocation object the computed hash value of the biometric reference template; said processor ascertaining the revocation status of the biometric reference template through use of the reference template revocation object, said ascertaining comprising: obtaining from the reference template revocation object the location, the identifier, and the hashed value, retrieving the biometric reference template, identified by the obtained identifier, at the obtained location, and determining the revocation status based on whether the biometric reference template retrieved at the obtained location differs from the biometric reference template from which the obtained hashed value was computed; and said processor returning the ascertained revocation status of the biometric reference template to a relying party that had requested the status of the biometric reference template.