基于可信中继量子密钥分发网络的最少公共节点多路径路由方案

doi:10.3969/j.issn.1671-1122.2021.07.005

信息网络安全 ›› 2021, Vol. 21 ›› Issue (7): 35-42.doi: 10.3969/j.issn.1671-1122.2021.07.005

基于可信中继量子密钥分发网络的最少公共节点多路径路由方案

谢四江¹, 高琼²(), 冯雁¹

1.北京电子科技学院,北京 100070
2.西安电子科技大学,西安 710071

收稿日期:2021-01-30 出版日期:2021-07-10 发布日期:2021-07-23
通讯作者: 高琼 E-mail:1131886741@qq.com
作者简介:谢四江（1971—）,男,湖北,正高级工程师,硕士,主要研究方向为密码系统、量子保密通信网络|高琼（1996—）,女,山西,硕士研究生,主要研究方向为量子保密通信网络|冯雁（1979—）,女,江西,副教授,硕士,主要研究方向为网络安全、量子保密通信网络
基金资助:
国家重点研发计划(2018YFE0200600);安徽省量子通信与量子计算机重大项目引导性项目(AHY180500)

A Multiple Paths Routing Scheme with Least Number of Public Nodes Based on Trust Relaying Quantum Key Distribution Network

XIE Sijiang¹, GAO Qiong²(), FENG Yan¹

1. Beijing Electronic Science & Technology Institute, Beijing 100070, China
2. Xidian University, Xi’an 710071, China

Received:2021-01-30 Online:2021-07-10 Published:2021-07-23
Contact: GAO Qiong E-mail:1131886741@qq.com

摘要/Abstract

摘要：

随着量子信息技术的发展,量子密钥分发网络逐步应用到现实生活中。为了提高量子密钥分发网络的安全性,文章对比分析了随机路由和多路径路由方案,并提出一种最少公共节点的多路径路由方案。该方案适用于链路分布较密的网络结构,通过找到多条互不相交的多路径,减少冗余路径,提高密钥路由的安全性,减少路由过程中量子密钥的消耗。最后文章通过实例对该路由方案进行了分析验证。

关键词: 量子密钥分发网络, 密钥中继, 随机路由, 多路径, 公共节点

Abstract:

With the development of quantum information technology, quantum key distribution network is gradually applied to real life. In order to improve the security of quantum key distribution network, this paper compares and analyzes the random routing and multi-path routing schemes, and proposes a multi-path scheme with the least common nodes. This scheme is suitable for network structures with densely distributed links. By finding multiple disjoint paths, the scheme reduces redundant paths, improves the security of key routing, and reduces the consumption of quantum key in the routing process. Finally, an example is given to verify the routing scheme.

Key words: quantum key distribution network, key relay, stochastic routing, multiple paths, public nodes

中图分类号:

TP309

谢四江, 高琼, 冯雁. 基于可信中继量子密钥分发网络的最少公共节点多路径路由方案[J]. 信息网络安全, 2021, 21(7): 35-42.

XIE Sijiang, GAO Qiong, FENG Yan. A Multiple Paths Routing Scheme with Least Number of Public Nodes Based on Trust Relaying Quantum Key Distribution Network[J]. Netinfo Security, 2021, 21(7): 35-42.

图/表 12

图1

图2

图3

图4

表1

图5

图6

图7

图8

表2

攻击1个节点

	随机路由	最少公共节点多路径路由
R₁	$\frac{2}{3}$	1
R₇	$\frac{1}{2}$	1
R₈	$\frac{2}{3}$	1
R₉	$\frac{2}{3}$	1
R₁₀	$\frac{1}{2}$	1
总安全性	$\frac{3}{5}$	1

表2

表3

攻击2个节点

	随机路由	最少公共节点多路径路由
R₁,R₇	$\frac{1}{6}$	$\frac{1}{3}$
R₁,R₈	$\frac{1}{3}$	$\frac{2}{3}$
R₁,R₉	$\frac{1}{3}$	$\frac{2}{3}$
R₁,R₁₀	$\frac{1}{2}$	1
R₇,R₈	$\frac{1}{2}$	1
R₇,R₉	$\frac{1}{3}$	$\frac{2}{3}$
R₇,R₁₀	0	0
R₈,R₉	$\frac{1}{3}$	$\frac{2}{3}$
R₈,R₁₀	$\frac{1}{6}$	$\frac{1}{3}$
R₉,R₁₀	$\frac{1}{3}$	$\frac{2}{3}$
总安全性	$\frac{3}{10}$	$\frac{6}{10}$

表3

表4

方案安全性对比

	多路径路由	最少公共节点多路径路由
攻击1个节点	1	1
攻击2个节点	$\frac{9}{10}$	$\frac{6}{10}$
消耗的总链路密钥/bit	1536	768

表4

参考文献 15

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基于可信中继量子密钥分发网络的最少公共节点多路径路由方案

A Multiple Paths Routing Scheme with Least Number of Public Nodes Based on Trust Relaying Quantum Key Distribution Network

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