[Resource Topic] 2021/359: Cryptanalysis on 'An efficient identity-based proxy signcryption using lattice'

Welcome to the resource topic for 2021/359

Title:
Cryptanalysis on ‘An efficient identity-based proxy signcryption using lattice’

Authors: Zi-Yuan Liu, Yi-Fan Tseng, Raylin Tso

Abstract:

In this note, we conduct a cryptanalysis of the paper published by Zhu et al. on Future Generation Computer Systems in 2021. We demonstrate that their quantum-resistant identity-based proxy signcryption scheme cannot achieve the confidentiality as they claimed.

ePrint: https://eprint.iacr.org/2021/359

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