A quantitative analysis of indistinguishability for a continuous domain biometric cryptosystem

Authors:
Ileana Buhan;Jeroen Breebaart;Jorge Guajardo;Koen de Groot;Emile Kelkboom;Ton Akkermans
Affiliations:
Philips Research Laboratories, Eindhoven, The Netherlands;Philips Research Laboratories, Eindhoven, The Netherlands;Philips Research Laboratories, Eindhoven, The Netherlands;Philips Research Laboratories, Eindhoven, The Netherlands;Philips Research Laboratories, Eindhoven, The Netherlands;Philips Research Laboratories, Eindhoven, The Netherlands
Venue:
DPM'09/SETOP'09 Proceedings of the 4th international workshop, and Second international conference on Data Privacy Management and Autonomous Spontaneous Security
Year:
2009

Citing 10
Cited 0

Quantization Index Modulation Methods for Digital Watermarking and Information Embedding of Multimedia

Journal of VLSI Signal Processing Systems - Special issue on multimedia signal processing
Pattern Classification (2nd Edition)

Pattern Classification (2nd Edition)
Fuzzy extractors for continuous distributions

ASIACCS '07 Proceedings of the 2nd ACM symposium on Information, computer and communications security
Biometric template security

EURASIP Journal on Advances in Signal Processing
Embedding Renewable Cryptographic Keys into Continuous Noisy Data

ICICS '08 Proceedings of the 10th International Conference on Information and Communications Security
Privacy Weaknesses in Biometric Sketches

SP '09 Proceedings of the 2009 30th IEEE Symposium on Security and Privacy
New shielding functions to enhance privacy and prevent misuse of biometric templates

AVBPA'03 Proceedings of the 4th international conference on Audio- and video-based biometric person authentication
Binary biometrics: an analytic framework to estimate the performance curves under Gaussian assumption

IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans - Special issue on recent advances in biometrics
Secure sketch for biometric templates

ASIACRYPT'06 Proceedings of the 12th international conference on Theory and Application of Cryptology and Information Security
Practical biometric authentication with template protection

AVBPA'05 Proceedings of the 5th international conference on Audio- and Video-Based Biometric Person Authentication

Quantified Score

Hi-index	0.00

Visualization

Abstract

Biometric information is regarded as highly sensitive information and therefore encryption techniques for biometric information are needed to address security and privacy requirements of biometric information. Most security analyses for these encryption techniques focus on the scenario of one user enrolled in a single biometric system. In practice, biometric systems are deployed at different places and the scenario of one user enrolled in many biometric systems is closer to reality. In this scenario, cross-matching (tracking users enrolled in multiple databases) becomes an important privacy threat. To prevent such cross-matching, various methods to create renewable and indistinguishable biometric references have been published. In this paper, we investigate the indistinguishability or the protection against cross-matching of a continuous-domain biometric cryptosystem, the QIM. In particular our contributions are as follows. Firstly, we present a technique, which allows an adversary to decide whether two protected biometric reference data come from the same person or not. Secondly, we quantify the probability of success of an adversary who plays the indistinguishability game and thirdly, we compare the probability of success of an adversary to the authentication performance of the biometric system for the MCYT fingerprint database. The results indicate that although biometric cryptosystems represent a step in the direction of privacy enhancement, we are not there yet.