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ThinkMind // SECURWARE 2014, The Eighth International Conference on Emerging Security Information, Systems and Technologies // View article securware_2014_5_30_30085


Performance Impacts in Database Privacy-Preserving Biometric Authentication

Authors:
Jana Dittmann
Veit Köppen
Christian Krätzer
Martin Leuckert
Gunter Saake
Claus Vielhauer

Keywords: Database Security, Homomorphic Encryption, Privacy, Multi-Computer Scenarios, Database Performance

Abstract:
Nowadays, biometric data are more and more used within authentication processes. These data are often stored in databases. However, these data underlie inherent privacy concerns. Therefore, special attention should be paid for handling of these data. We propose an extension of a similarity verification system with the help of the Paillier cryptosystem. In this paper, we use this system for signal processing in the encrypted domain for privacy-preserving biometric authentication. We adapt a biometric authentication system for enhancing privacy. We focus on performance issues with respect to database response time for our authentication process. Although encryption implicates computational effort, we show that only small computational overhead is required. Furthermore, we evaluate our implementation with respect to performance. However, the concept of verification of encrypted biometric data comes at the cost of increased computational effort in contrast to already available biometric systems. Nevertheless, currently available systems lack privacy enhancing technologies. Our findings emphasize that a focus on privacy in the context of user authentication is available. This solution leads to user-centric applications regarding authentication. As an additional benefit, results using data mining are more difficult to be obtained in the domain of user tracking.

Pages: 111 to 117

Copyright: Copyright (c) IARIA, 2014

Publication date: November 16, 2014

Published in: conference

ISSN: 2162-2116

ISBN: 978-1-61208-376-6

Location: Lisbon, Portugal

Dates: from November 16, 2014 to November 20, 2014

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