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Practical quantum digital signature with configurable decoy states
Quantum Information Processing ( IF 2.2 ) Pub Date : 2020-03-25 , DOI: 10.1007/s11128-020-02648-y
Chun-Mei Zhang , Yan Zhu , Jing-Jing Chen , Qin Wang

Quantum digital signature (QDS) provides an effective method to guarantee the information-theoretical security of signature messages. Here, we propose a scheme of implementing QDS with configurable decoy states. In this scheme, the legitimate parties configure the number of decoy states to maximize the signature rate and/or simplify the experimental operation in practical scenarios. Considering different optical intrinsic errors, we investigate the performance of a typical QDS system in one and two decoy-state cases and give the corresponding guide to configure decoy states, which we expect would be valuable for researchers to design QDS systems.

中文翻译:

具有可配置诱饵状态的实用量子数字签名

量子数字签名(QDS)提供了一种有效的方法来保证签名消息的信息理论安全性。在这里,我们提出了一种使用可配置诱饵状态实现QDS的方案。在此方案中,合法方配置诱骗状态的数量以最大化签名率和/或简化实际方案中的实验操作。考虑到不同的光学固有误差,我们研究了典型QDS系统在一种和两种诱饵状态下的性能,并提供了相应的配置诱饵状态的指南,我们希望这对研究人员设计QDS系统很有用。
更新日期:2020-03-25
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