2018年03月30日に初出の投稿

Last modified: 2018-03-30

Abstract: Biometrics security is a dynamic research area spurred by the need to protect personal traits from threats like theft, non-authorised distribution, reuse and so on. A widely investigated solution to such threats consists in processing the biometric signals under encryption, to avoid any leakage of information towards non-authorised parties. In this paper, we propose to leverage on the superior performance of multimodal biometric recognition to improve the efficiency of a biometric-based authentication protocol operating on encrypted data under the malicious security model. In the proposed protocol, authentication relies on both facial and iris biometrics, whose representation accuracy is specifically tailored to trade-off between recognition accuracy and efficiency. From a cryptographic point of view, the protocol relies on SPDZ a new multy-party computation tool designed by Damgaard et al. Experimental results show that the multimodal protocol is faster than corresponding unimodal protocols achieving the same accuracy.

SEMBA:SEcure multi-biometric authentication

先日に船場センタービルの記事を公開したばかりなので、やはり "SEMBA" という文字列には注目してしまう。そういえば、生体認証については岩波から浩瀚な研究書が出たし、僕は以前から「生体認証を会社で要求するのは憲法違反だ」と言ってきたから、これもサイトで取り上げるテーマにしたい。

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