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Main Title: Robust Biometric Authentication from an Information Theoretic Perspective
Author(s): Grigorescu, Andrea
Boche, Holger
Schaefer, Rafael F.
Type: Article
Language Code: en
Abstract: Robust biometric authentication is studied from an information theoretic perspective. Compound sources are used to account for uncertainty in the knowledge of the source statistics and are further used to model certain attack classes. It is shown that authentication is robust against source uncertainty and a special class of attacks under the strong secrecy condition. A single-letter characterization of the privacy secrecy capacity region is derived for the generated and chosen secret key model. Furthermore, the question is studied whether small variations of the compound source lead to large losses of the privacy secrecy capacity region. It is shown that biometric authentication is robust in the sense that its privacy secrecy capacity region depends continuously on the compound source.
Issue Date: 9-Sep-2017
Date Available: 7-Aug-2019
DDC Class: 003 Systeme
Subject(s): biometric authentication
compound source
strong secrecy
privacy leakage
Journal Title: Entropy
Publisher: MDPI
Publisher Place: Basel
Volume: 19
Issue: 9
Article Number: 480
Publisher DOI: 10.3390/e19090480
EISSN: 1099-4300
Appears in Collections:FG Theoretische Grundlagen der Kommunikationstechnik » Publications

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