Secure Quantum Summation with Two Degrees of Freedom United as a Single Entity

IF 1.3 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
Yan-Feng Lang, Cheng-Cheng Cai
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引用次数: 0

Abstract

Secure quantum summation (SQS) can summate private data and meanwhile keep their privacy. It plays an essential role in the field of secure multi-party computation. There are a couple of SQS protocols whose quantum resource is single photons in both polarization and spatial-mode degrees of freedom. This kind of SQS protocols has a point in common that they use the two degrees of polarization and spatial-mode in the same way. Instead, this paper taps them in an innovative method, they fulfilling different tasks and forming an organic whole in quantum communication. Compared to the ready sister protocols, this method brings about great benefits: not only maintaining the original communication capacity, but also making the presented protocol simpler and more secure without the need of pre-shared keys to block the intercept-resend attack, because this work makes a full use of its inherent security attributes. Consequently, this work can be considered as a more ideal SQS.

Abstract Image

两自由度联合为单一实体的安全量子和
安全量子求和(SQS)可以在对私有数据求和的同时保护私有数据的隐私。它在安全多方计算领域起着至关重要的作用。有几种SQS协议,其量子资源在偏振和空间模自由度上都是单光子。这类SQS协议有一个共同点,即它们以相同的方式使用两度极化和空间模式。相反,本文以一种创新的方式利用它们,使它们在量子通信中完成不同的任务,形成一个有机的整体。与现有的姊妹协议相比,该方法带来了很大的好处:既保持了原有的通信容量,又使所提出的协议更简单、更安全,而不需要预共享密钥来阻止拦截重发攻击,因为该工作充分利用了其固有的安全属性。因此,这项工作可以被认为是一个更理想的SQS。
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来源期刊
CiteScore
2.50
自引率
21.40%
发文量
258
审稿时长
3.3 months
期刊介绍: International Journal of Theoretical Physics publishes original research and reviews in theoretical physics and neighboring fields. Dedicated to the unification of the latest physics research, this journal seeks to map the direction of future research by original work in traditional physics like general relativity, quantum theory with relativistic quantum field theory,as used in particle physics, and by fresh inquiry into quantum measurement theory, and other similarly fundamental areas, e.g. quantum geometry and quantum logic, etc.
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