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Method of biometric authentication

  • US 7,272,245 B1
  • Filed: 05/13/2004
  • Issued: 09/18/2007
  • Est. Priority Date: 05/13/2004
  • Status: Expired due to Fees
First Claim
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1. A method of biometric authentication comprising the steps of:

  • a) taking a plurality of measurements of a biometric from a subject;

    b) averaging said measurements to create a combined biometric consisting of a plurality of bits;

    c) generating at least one random number;

    d) generating a codeword from said at least one random number;

    e) generating a list of random locations corresponding to a user-definable set of valid bits in said combined biometric;

    f) combining the combined biometric readings that correspond to said random locations and said codeword;

    g) generating a list that comprises said list of random locations and the combination of said combined biometric readings and said codeword;

    h) generating a secret value;

    i) generating a certificate that includes said list and said secret value; and

    j) authenticating said subject using said certificate.

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