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SALTING SYSTEM AND METHOD FOR CANCELABLE IRIS BIOMETRIC

  • US 20100046808A1
  • Filed: 08/22/2008
  • Published: 02/25/2010
  • Est. Priority Date: 08/22/2008
  • Status: Active Grant
First Claim
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1. A method for generating a cancelable biometric, comprising:

  • providing at least one pattern;

    combining the at least one pattern with a biometric image by employing a transform pixel operation to generate a transformed enrollment such that information about the transform pixel operation and the at least one pattern form a security key for protecting the biometric image; and

    if a new security key is needed, reusing the biometric image to generate the new security key to permit a previous security key to be cancelable.

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