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Quantum Chemistry Entanglement Theory Quantum Correlations

Collusion attack and counterattack on the quantum key agreement via non-maximally entangled cluster states

arXiv

Authors: Jun Gu, Tzonelih Hwang

Year

2020

Paper ID

19816

Status

Preprint

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~2 min

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Abstract

Recently, Li et al. (Int J Theor Phys: DOI: 10.1007/s10773-020-04588-w, 2020) proposed a multiparty quantum key agreement protocol via non-maximally entangled cluster states. They claimed that the proposed protocol can help all the involved participants have equal influence on the final shared key. However, this study points out a loophole that makes Li et al.'s protocol suffer from a collusion attack, i.e. several dishonest participants can conspire to manipulate the final shared key without being detected by others. To avoid this loophole, an improvement is proposed here.

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This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
It adds a 2020 reference point for readers tracking recent quantum research.
Recently, Li et al.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2010.10002 [2] arXiv https://arxiv.org/abs/2010.10002 [3] Publisher https://arxiv.org/abs/2010.10002

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