Fuzzy extractors for continuous distributions

I.R. Buhan; J.M. Doumen; Pieter H. Hartel; Raymond N.J. Veldhuis

Fuzzy extractors for continuous distributions

I.R. Buhan, J.M. Doumen, Pieter H. Hartel, Raymond N.J. Veldhuis

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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.

Original language	Undefined
Place of Publication	Enschede
Publisher	Centre for Telematics and Information Technology (CTIT)
Number of pages	15
Publication status	Published - 9 Oct 2006

Publication series

Name	CTIT technical reports series
No.	06-72
ISSN (Print)	1381-3625

Keywords

IR-59966
SCS-Cybersecurity
EWI-7693
METIS-237416
SCS-Safety

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Cite this

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