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Creating counterfeit-resistant self-authenticating documents using cryptographic and biometric techniques

  • US 20030089764A1
  • Filed: 11/13/2001
  • Published: 05/15/2003
  • Est. Priority Date: 11/13/2001
  • Status: Abandoned Application
First Claim
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1. A method for authenticating a document and a presenter of the document, comprising:

  • obtaining, at a location whereby the document is being presented by the document presenter, information provided on the document that is to be used to authenticate the document, the information being encoded in a particular format;

    decoding the information to obtain first data and second data, the first data corresponding to unencoded data written on the document to be used to verify whether the document has been modified, the second data corresponding to biometric data of the document owner to be used to verify whether the document owner corresponds to the document presenter; and

    obtaining biometric data of the document presenter and comparing the biometric data of the document presenter to the second data, wherein the document is authenticated if the second data matches the biometric data of the document presenter and the first data matches the written data obtained from the document.

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