NDLI: Security Analysis of Stochastic Routing Scheme in Grid-Shaped Partially-Trusted Relay Quantum Key Distribution Network

Content Provider	IET Digital Library
Author	Liu, Xingtong Wang, Jian Li, Ruilin Zhang, Chen
Abstract	Quantum key distribution (QKD) technology provides proved unconditional security in pointto-point key transmissions based on quantum mechanics. However, several limitations, most prominently range, make it complex to construct large QKD network. The trusted relay QKD network is the most practical scene, and stochastic routing scheme was proposed to solve the fatal problem that some relay nodes may be controlled by adversary. But most results in stochastic routing scheme hinge on an adversary model without consideration of attacker's prior-knowledge and attack strategy. To reveal the security problem, we propose a new adversary model and apply it in grid-shaped partially-trusted relay QKD network. Then we analyze the best attack strategy and the impact on security under various situations respectively. Analysis and simulation results show that in some cases the security of stochastic routing scheme will be compromised, and a generalized upper bound for the overall safe probability is obtained. We also discuss how to alleviate the security problem, making the network more robust to attacks.
Starting Page	234
Ending Page	240
Page Count	7
ISSN	10224653
Volume Number	27
e-ISSN	20755597
Issue Number	Issue 2, Mar (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/cje/27/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/cje.2018.01.013
Journal	Chinese Journal of Electronics
Publisher Date	2018-03-01
Access Restriction	Open
Rights Holder	© Chinese Institute of Electronics
Subject Keyword	Adversary Model Attack Strategy Communication Network Design, Planning And Routing Cryptography Data Security Partially-trusted Relay QKD Network Point-to-point Key Transmissions Probability Probability Theory Proved Unconditional Security Quantum Cryptography Quantum Key Distribution Technology Quantum Mechanics Relay Node Relay Quantum Key Distribution Network Security Analysis Security Problem Simulation Result Statistics Stochastic Linearised SCUC Stochastic Routing Scheme Hinge Telecommunication Network Routing
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering

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