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Paper 2009/545
Fuzzy extractors for continuous distributions
Ileana Buhan and Jeroen Doumen and Pieter Hartel
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.
Metadata
- Available format(s)
- Category
- Foundations
- Publication info
- Published elsewhere. short version published in ASIACCS 2007
- Keywords
- information theoryfuzzy extractorscontinuous distributions
- Contact author(s)
- ileana buhan @ gmail com
- History
- 2009-11-10: received
- Short URL
- https://ia.cr/2009/545
- License
-
CC BY