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arXiv 0907.4912quant-ph
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基于Greenberger-Horne-Zeilinger态的量子密钥分发:多密钥生成

Quantum key distribution in terms of the Greenberger-Horne-Zeilinger state: multi-key generation

Faisal A. A. El-Orany, Wahiddin M. R. B., Mustafa Afanddi Mat Nor, Norziana Jamil, Iskandar Bahari

摘要:

本文提出了一种基于Greenberger-Horne-Zeilinger态的量子密钥分发协议。通过两个步骤在用户之间以块的形式交换粒子。在该协议中,对于三粒子GHZ,可以同时生成三个密钥。这样做的好处是,用户可以选择最合适的通信密钥。该协议可以推广到$N$用户以提供$N$密钥。该协议有两个层次的检查窃听者。此外,我们还讨论了协议对不同攻击的安全性。

英文摘要:

In this paper, we develop a quantum key distribution protocol based on the Greenberger-Horne-Zeilinger states (GHZs). The particles are exchanged among the users in blocks through two steps. In this protocol, for three-particle GHZs three keys can be simultaneously generated. The advantage of this is that the users can select the most suitable key for communication. The protocol can be generalized to $N$ users to provide $N$ keys. The protocol has two levels for checking the eavesdroppers. Moreover, we discuss the security of the protocol against different attacks.

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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