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

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 hom...

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Bibliographische Detailangaben
Hauptverfasser:	Tamiya, Hiroto, Isshiki, Toshiyuki, Mori, Kengo, Obana, Satoshi, Ohki, Tetsushi
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	and squared Euclidean distance biometric template protection Cryptography Euclidean distance Face recognition Facial features Feature extraction homomorphic encryption packing method post-quantum cryptography Quantization (signal)
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	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 is about 14 times faster than that of the existing face template protection system based on homomorphic encryption presented in BIOSIG2020.
ISSN:	1617-5468
DOI:	10.1109/BIOSIG52210.2021.9548305