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Designs, Codes and Cryptography

Erschienen in:

28.08.2021

Public key encryption with filtered equality test revisited

verfasst von: Yu-Chi Chen, Xin Xie, Hung-Yu Tsao, Raylin Tso

Erschienen in: Designs, Codes and Cryptography | Ausgabe 10/2021

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Abstract

Without revealing data in the plain, public key encryption with equality test can achieve the basic cryptographic functionalities required. However, the extended version, i.e., public encryption with filtered equality test (PKE-FET) can be used to only test the ciphertext only for some data. In this paper, we revisit the notion of PKE-FET on various security models. We provide a formal definition for the security of PKE-FET and present a new scheme to achieve a stronger level of security than the existing scheme.

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Titel: Public key encryption with filtered equality test revisited
verfasst von: Yu-Chi Chen
Xin Xie
Hung-Yu Tsao
Raylin Tso
Publikationsdatum: 28.08.2021
Verlag: Springer US
Erschienen in: Designs, Codes and Cryptography / Ausgabe 10/2021
Print ISSN: 0925-1022
Elektronische ISSN: 1573-7586
DOI: https://doi.org/10.1007/s10623-021-00924-1

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