Attacks on privacy-preserving biometric authentication

A. Abidin, E. Pagnin, A. Mitrokotsa In Proceedings of the 19th Nordic Conference on Secure IT Systems (NordSec 2014). Full Text

Abstract

Biometric authentication based on facial image, fingerprint, palm print, iris, retina, or veins are becoming increasingly popular. However,compromised biometrictemplates,indeed,may lead to seriousthreats to identity and their inherent irrevocability makes this risk even more serious. Because of such serious privacy implications the need for privacy-preserving biometric authentication protocols is of utmost importance. Recently, Yasuda et al. proposed two efficient privacy-preserving biometric authentication using packed homomorphic encryption based on ideal lattices and on ring learning with error. We review these protocols and analyse their security against malicious internal adversaries.