8 October 2007 Iris-based authentication system with template protection and renewability
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Biometrics is the most emerging technology for automatic people authentication, nevertheless severe concerns raised about security of such systems and users' privacy. In case of malicious attacks toward one or more components of the authentication system, stolen biometric features cannot be replaced. This paper focuses on securing the enrollment database and the communication channel between such database and the matcher. In particular, a method is developed to protect the stored biometric templates, adapting the fuzzy commitment scheme to iris biometrics by exploiting error correction codes tailored on template discriminability. The aforementioned method allows template renewability applied to iris based authentication and guarantees high security performing the match in the encrypted domain.
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Chiara Ercole, Patrizio Campisi, Alessandro Neri, "Iris-based authentication system with template protection and renewability", Proc. SPIE 6741, Optics and Photonics for Counterterrorism and Crime Fighting III, 67410H (8 October 2007); doi: 10.1117/12.737849; https://doi.org/10.1117/12.737849


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