A New Protocol for Quantum Private Query Against Joint-Measurement Attack

A New Protocol for Quantum Private Query Against Joint-Measurement Attack
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一种抗联合测量攻击的量子私密查询新协议

DOI:
10.1007/s10773-019-04076-w
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发表时间:
2019-03
影响因子:
1.4
通讯作者:
Wen Qiao Yan
Wen Qiao Yan
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Wang Ying;Guo Fen Zhuo;Liu Li;Huang Wei;Wen Qiao Yan

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基于量子密钥分发的量子私有查询是近年来的研究热点。虽然这样的QPQ协议是实用的,联合测量(JM)攻击是一个值得注意的威胁数据库的安全。在本文中,我们提出了一个新的QPQ协议,以提高数据库的安全性,以抵御JM攻击。用户Alice的特殊过程“接收→测量→重新准备→发送”阻止她保存状态以执行JM攻击。此外,由于每个光子只从一方传播到另一方,我们的协议减少了双向通信的缺点,使Alice和数据库保持器Bob之间的传输距离是令人满意的。我们还分析了所提出的协议的数据库隐私和用户隐私的安全性。此外,我们的协议保留了基于QKD的QPQs的优良特性,它是容错的。
The quantum-key-distribution (QKD)-based quantum private query (QPQ) has become a research hotspot in recent years. Although such QPQ protocols are practical, joint-measurement (JM) attack is a noteworthy threat to the security of the database. In this paper, we propose a new QPQ protocol for enhancing database security against JM attack. The special procedure “receive→measure→re-prepare→send” for the user Alice prevents her from saving states to perform JM attack. Furthermore, since each photon only travels from one party to the other, our protocol reduces the drawback of two-way communication so that the transmission distance between Alice and the database holder Bob is satisfactory. We also analyze the security of the proposed protocol in terms of the database privacy and user privacy. Moreover, our protocol preserves the excellent character of QKD-based QPQs that it is loss tolerant.
DOI: 10.4018/978-1-7998-6677-0.ch001
发表时间: 2021
期刊: Limitations and Future Applications of Quantum Cryptography
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