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Security Efficiency Analysis of a Biometric Fuzzy Extractor for Iris Templates

  • F. Hernández Álvarez
  • L. Hernández Encinas
Conference paper
Part of the Advances in Intelligent and Soft Computing book series (AINSC, volume 63)

Abstract

A Biometric fuzzy extractor scheme for iris templates was recently presented in [3]. This fuzzy extractor binds a cryptographic key with the iris template of a user, allowing to recover such cryptographic key by authenticating the user by means of a new iris template from her. In this work, an analysis of the security efficiency of this fuzzy extractor is carried out by means of a study about the behavior of the scheme with cryptographic keys of different bitlengths: 64, 128, 192, and 256. The different sizes of the keys permit to analyze the variability of the intra- and inter-user in the iris templates.

Keywords

Biometrics Iris Template False Acceptance Rate False Rejection Rate Fuzzy extractor 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • F. Hernández Álvarez
    • 1
  • L. Hernández Encinas
    • 1
  1. 1.Department of Information Processing and CodingApplied Physics Institute, CSICMadridSpain

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