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Authenticated quantum dialogue protocol based on four-particle entangled states
Modern Physics Letters A ( IF 1.4 ) Pub Date : 2021-09-03 , DOI: 10.1142/s0217732321501893
Zhou-jing Feng 1, 2 , Liang Tang 1, 2 , Yi Xiang 1, 2 , Zhi-wen Mo 1, 2 , Ming-qiang Bai 1, 2
Affiliation  

Many protocols of quantum dialogue are based on the assumption that the user is legitimate. In fact, the assumption is ideal. Therefore, it is necessary to identify whether the user is legitimate or not. In this paper, by adding identity authentication, a quantum dialogue protocol is proposed based on four-particle entangled states. For preparing the entangled state, we first give the description of the preparation process and draw the diagram of the prepared quantum circuit. Next, the nonlocal correlation properties of the entangled state are investigated. By associating identity authentication with channel security detection, the consumption of quantum resources is reduced to a certain extent. Furthermore, a random number r and a one-way hash function are added to increase the security of the protocol. In the end, compared with other protocols, our protocol has an improvement in efficiency.

中文翻译:

基于四粒子纠缠态的认证量子对话协议

许多量子对话协议都基于用户合法的假设。事实上,这个假设是理想的。因此,有必要识别用户是否合法。本文通过增加身份认证,提出了一种基于四粒子纠缠态的量子对话协议。对于纠缠态的制备,我们首先给出制备过程的描述,并绘制制备的量子电路图。接下来,研究了纠缠态的非局部相关特性。通过将身份认证与通道安全检测相结合,一定程度上减少了量子资源的消耗。此外,一个随机数r并增加了单向哈希函数以增加协议的安全性。最后,与其他协议相比,我们的协议在效率上有所提高。
更新日期:2021-09-03
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