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Quantum Foundations
Two attacks and counterattacks on the mutual semi-quantum key agreement protocol using Bell states
arXiv
Authors: Jun Gu, Tzonelih Hwang
Year
2020
Paper ID
20142
Status
Preprint
Abstract Read
~2 min
Abstract Words
90
Citations
N/A
Abstract
Recently, a mutual semi-quantum key agreement protocol using Bell states is proposed by Yan et al. (Mod. Phys. Lett. A, 34, 1950294, 2019). The proposed protocol tries to help a quantum participant share a key with a classical participant who just has limited quantum capacities. Yan et al. claimed that both the participants have the same influence on the final shared key. However, this study points out that the classical participant can manipulate the final shared key by himself/herself without being detected. To solve this problem, an improved method is proposed here.
Why This Paper Matters
- This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
- It adds a 2020 reference point for readers tracking recent quantum research.
- Recently, a mutual semi-quantum key agreement protocol using Bell states is proposed by Yan et al.
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