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arXiv 1807.04796quant-ph
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乒乓协议的博弈分析

Game-theoretic perspective of Ping-Pong Protocol

Hargeet Kaur, Atul Kumar

摘要:

从博弈的角度分析了乒乓协议。分析有助于我们理解发送者和窃听者在博弈中为获得最大收益而采取的不同策略。这里提出的研究特征的策略,导致不同的纳什均衡。我们进一步证明了帕累托最优的条件取决于在游戏中使用的参数。此外,我们还分析了LM05协议,并从一个通用的双向量子密钥分配博弈的角度与PP协议进行了比较。我们的研究结果提供了一个更深入的了解一般的双向QKD协议的安全性和协议中不同利益相关者的收益。

英文摘要:

We analyse Ping-Pong protocol from the point of view of a game. The analysis helps us in understanding the different strategies of a sender and an eavesdropper to gain the maximum payoff in the game. The study presented here characterizes strategies that lead to different Nash equilibriums. We further demonstrate the condition for Pareto optimality depending on the parameters used in the game. Moreover, we also analysed LM05 protocol and compared it with PP protocol from the point of view of a generic two-way QKD game with or without entanglement. Our results provide a deeper understanding of general two-way QKD protocols in terms of the security and payoffs of different stakeholders in the protocol.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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