Method and apparatus for applying and verifying a biometric-based digital signature to an electronic document
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United States of America Patent
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Apr 22, 2003
Grant Date -
N/A
app pub date -
Jul 21, 1999
filing date -
Jul 21, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus are disclosed whereby a person signs an electronic document using a personal biometric. A sample of biometric data is collected from the person at the time of the signing of the document, and encrypted with the document itself and various other data to form a digital signature. The encryption technique utilized irrefutably couples the biometric data with the document. To authenticate the coupling, an authenticator signature is generated using the original data and is then compared with the original signature to verify a match there between. The biometric data used to generate the authenticator signature is then matched with a sample provided by an alleged signer of the document to verify his or her identity.
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