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7693 Fuzzy extractors for continuous distributions
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Buhan, I.R. and Doumen, J.M. and Hartel, P.H. and Veldhuis, R.N.J. (2006) Fuzzy extractors for continuous distributions. Technical Report TR-CTIT-06-72, University of Twente, Enschede. ISSN 1381-3625

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Abstract

We show that there is a direct relation between the maximum length of the keys extracted from biometric data and the error rates of the biometric system. The length of the bio-key depends on the amount of distinguishing information that can be extracted from the source data. This information can be used a-priori to evaluate the potential of the biometric data in the context of a specific cryptographic application. We model the biometric data more
naturally as a continuous distribution and we give a new definition for fuzzy extractors that works better for this type of data.

Item Type:Internal Report (Technical Report)
Research Group:EWI-DIES: Distributed and Embedded Security, EWI-SAS: Signals and Systems
Research Program:CTIT-ISTRICE: Integrated Security and Privacy in a Networked World
Research Project:Secure Grip
ID Code:7693
Deposited On:05 December 2006
More Information:statisticsmetis

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