A Practical Multi-Protocol Collaborative QKD Networking Scheme
Jia-Meng Yao, Qiong Li, Hao-Kun Mao, Ahmed A. Abd El-Latif

TL;DR
This paper proposes a multi-protocol collaborative QKD network scheme that reduces reliance on strongly trusted relays while maintaining high communication capacity, enhancing the practicality of quantum key distribution networks.
Contribution
It introduces a novel MPC networking cell combining protocols to lower trusted relay dependence and presents an optimal topology design method for improved network performance.
Findings
Reduces dependence on strongly trusted relays
Maintains high communication capacity
Improves practical deployment of QKD networks
Abstract
With the advancement of quantum computing, the security of public key cryptography is under serious threat. To guarantee security in the quantum era, Quantum Key Distribution has become a competitive solution. QKD networks can be classified into measurement-device-dependent network and measurement-device-independent network. In measurement-device-dependent networks, the information is available for all trusted relays. This means that all trusted relays are strongly trusted relays that require strict control, which is difficult to realize. To address this issue, measurement-device-independent networks reduce the proportion of strongly trusted relay nodes by introducing untrusted relays. However, due to the higher key rate of measurement-device-dependent protocols over short distances, the communication capability of measurement-device-independent networks has a degradation compared to…
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Taxonomy
TopicsQuantum-Dot Cellular Automata · Molecular Communication and Nanonetworks · Security in Wireless Sensor Networks
