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Information-Theoretic Approach to Privacy Protection of Biometric Templates

Summary: Information-Theoretic Approach to
Privacy Protection of Biometric Templates
Jasper Goseling1
and Pim Tuyls
Philips Research, Prof. Holstlaan 4, 5656 AA Einhoven, The Netherlands.
j.goseling@ieee.org, pim.tuyls@philips.com
I. Introduction
The increasing demand for more reliable and convenient se-
curity systems generates a renewed interest in human iden-
tification based on biometric identifiers. We identify three
security and privacy threats that arise from the use of bio-
metrics: i) Impersonation by means of artificial biometrics
based on stolen templates. ii) Compromised biometrics, are
compromised forever. iii) Biometric data contain sensitive in-
formation about an individual.
In this paper, we present a general algorithm that guaran-
tees privacy protection of biometric templates. Some special
examples of this algorithm have been studied in [1, 2, 3] and
a more general approach is given in [5, 6]. These systems
are all based on the use of a one-way transform and helper


Source: Al Hanbali, Ahmad - Department of Applied Mathematics, Universiteit Twente


Collections: Engineering