Gesellschaft für Informatik e.V.

Lecture Notes in Informatics


BIOSIG 2013 P-212, 75-86 (2013).

Gesellschaft für Informatik, Bonn
2013


Copyright © Gesellschaft für Informatik, Bonn

Contents

Absolute Fingerprint Pre-Alignment in Minutiae-Based Cryptosystems

Benjamin Tams

Abstract


Most biometric cryptosystems that have been proposed to protect fingerprint minutiae make use of public alignment helper data. This, however, has the inadvertent effect of information leakage about the protected templates. A countermeasure to avoid auxiliary alignment data is to protect absolutely pre-aligned fingerprints. As a proof of concept, we run performance evaluations of a minutiae fuzzy vault with an automatic method for absolute pre-alignment. Therefore, we propose a new method for estimating a fingerprint's directed reference point by modeling the local orientation around the core as a tented arch.1


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Gesellschaft für Informatik, Bonn
ISBN 978-3-88579-606-0


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