Cryptanalysis of quantum digital signature for the access control of sensitive data

Xiao-Qiu Cai, Tian-Yin Wang, Chun-Yan Wei and Fei Gao

Physica A: Statistical Mechanics and its Applications, 2022, vol. 593, issue C

Abstract: Quantum digital signature provides a new way to ensure both integrity and transferability of digital messages with information-theoretic security. In this work, we give a cryptanalysis of quantum digital signature protocol for the access control of sensitive data in the big data era, and propose two new attack strategies on this protocol. In the first attack, the receiver Bob can forge a valid message–signature pair by a new known-message attack in this protocol. In the second attack, the signer Alice can successfully deny her signature. Furthermore, we discuss how to deal with these security problems and give some possible ways to improve this protocol.

Keywords: Quantum digital signature; Access control; Forgery attack (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:593:y:2022:i:c:s0378437122000577

DOI: 10.1016/j.physa.2022.126949

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