Improved Post-quantum-secure Face Template Protection System Based on Packed Homomorphic Encryption

Hiroto Tamiya,Toshiyuki Isshiki,Kengo Mori,Satoshi Obana,Tetsushi Ohki

2021 International Conference of the Biometrics Special Interest Group (BIOSIG)（2021）

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摘要

This paper proposes an efficient face template protection system based on homomorphic encryption. By developing a message packing method suitable for the calculation of the squared Euclidean distance, the proposed system computes the squared Euclidean distance between facial features by a single homomorphic multiplication. Our experimental results show the transaction time of the proposed system i...

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关键词

Face recognition,biometric template protection,post-quantum cryptography,homomorphic encryption,packing method,and squared Euclidean distance

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