A crypto-biometric scheme based on iris-templates with fuzzy extractors

  • Authors:
  • R. Álvarez Mariño;F. Hernández Álvarez;L. Hernández Encinas

  • Affiliations:
  • Health Centre "Nuñez Morgado", Department of Health, Regional Government, C/Nuñez Morgado, 28036 Madrid, Spain;Department of Information Processing and Coding, Information Security Institute (ISI), CSIC C/Serrano 144, 28006 Madrid, Spain;Department of Information Processing and Coding, Information Security Institute (ISI), CSIC C/Serrano 144, 28006 Madrid, Spain

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2012

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Abstract

One of the most important uses of Biometrics is the identification and authentication of individuals using one or several of their physiognomical or behavioral features. Moreover, Biometrics offers a good option to assist Cryptography for confidentiality, encryption, and decryption of messages by using some biometric traits. In this paper, a crypto-biometric scheme, based on fuzzy extractors, by using iris templates, is proposed, i.e., we propose a new system in order to permit a user to retrieve a secret or a previously saved key by using her own biometric template. The properties and efficiency for selecting the most useful parameters to provide a high level of security in the scheme are thoroughly analyzed.