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Biometric authentication system, template updating method therefor, storage medium, biometric authentication client device, and biometric authentication server device

Grant US12591648B2 Kind: B2 Mar 31, 2026

Assignee

NEC CORPORATION

Inventors

Masahiro Nara, Toshihiko Okamura, Toshiyuki Isshiki, Kengo Mori, Hiroto Tamiya

Abstract

A conventional biometric authentication system has been time-consuming and labor-intensive for users since the users are requested to re-register their biometric information. According to an aspect of the present disclosure, a biometric authentication system includes an update value generation unit configured to generate an update value, a first update processing unit configured to update, using the update value, a template generated based on biometric information, and a second update processing unit configured to update, using the update value, a verification key generated along with the template based on the biometric information using the update value.

CPC Classifications

G06F 21/32 H04L 9/32

Filing Date

2021-01-29

Application No.

18274667

Claims

13