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Match template protection within biometric security systems

  • US 20030217276A1
  • Filed: 05/14/2003
  • Published: 11/20/2003
  • Est. Priority Date: 05/15/2002
  • Status: Active Grant
First Claim
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1. A method for performing user authentication in the context of a biometric security system, the method comprising:

  • receiving from a biometric data collector a first collection of biometric data based on a first biometric source;

    applying a transform function to the fist collection of biometric data to generate a match template;

    receiving from a biometric data collector a second collection of biometric data based on the first biometric source;

    generating an authentication model based on the second collection of biometric data, the authentication model being different than the match template; and

    comparing the authentication model to the match template.

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