Match template protection within biometric security systems
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United States of America Patent
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Nov 18, 2008
Grant Date -
Nov 20, 2003
app pub date -
May 14, 2003
filing date -
May 15, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Biometric security systems are disclosed wherein a match template is unique as compared to a corresponding authentication model generated during enrollment and/or attempts at authentication. In accordance with one embodiment, the uniqueness of the match template as compared to a corresponding biometric authentication model is complete and non-reversible. Accordingly, the data in the match template cannot be directly utilized to produce an authentication model. Accordingly, match templates stored in a database need only be protected to assure that they are not substituted, altered or supplemented. Replication of match template data is not of paramount concern, as it cannot be used for a direct authentication.
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