Optimized biometric authentication method and system

H - Electricity – 04 – W

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H04W 12/06 (2009.01) A61B 5/117 (2006.01) G06F 21/00 (2006.01)

Patent

CA 2712525

An efficient exchange of messages in a system for authenticating access to a base device is facilitated through the selection of a particular biometric template from among a plurality of biometric templates. Rather than transmitting the template to a peripheral device, an indication of a location of the particular biometric template within the plurality of biometric templates is transmitted to the peripheral device. At the peripheral device, once the indication of the location and a biometric candidate are received, the particular biometric template may be located and compared to the biometric candidate. Finally, an indication of a result of the comparing may be transmitted to the base device.

La présente invention concerne un échange efficace de messages dans un système permettant d'authentifier l'accès à un dispositif de base qui est facilité par la sélection d'un modèle biométrique particulier parmi une pluralité de modèles biométriques. Au lieu de transmettre le modèle à un dispositif périphérique, on lui transmet une indication de l'emplacement du modèle biométrique particulier parmi la pluralité des modèles biométriques. Lorsque le dispositif périphérique reçoit l'indication de l'emplacement du modèle ainsi qu'un candidat biométrique, le modèle biométrique particulier peut être localisé et comparé au candidat biométrique. Enfin, une indication d'un résultat de la comparaison peut être transmise au dispositif de base.

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