面向分层无人机网络的去中心群组密钥管理方案

姜奇; 蔡明鑫; 程庆丰; 田有亮; 马建峰

doi:10.11999/JEIT220347

面向分层无人机网络的去中心群组密钥管理方案

doi: 10.11999/JEIT220347

姜奇^{1, 2},
蔡明鑫¹,
程庆丰^{2, 3, ,},
田有亮⁴,
马建峰¹

1.
西安电子科技大学网络与信息安全学院西安 710119
2.
河南省网络密码技术重点实验室郑州 450001
3.
战略支援部队信息工程大学网络空间安全学院郑州 450001
4.
贵州大学计算机科学与技术学院贵阳 550025

基金项目: 国家自然科学基金重大研究计划(92167203)，国家自然科学基金(62072352, 62125205, 61872449, 61902290, 62072359)，陕西省教育厅科研计划项目(20JY016)，陕西省重点产业链项目(2020ZDLGY09-06)

详细信息

作者简介:
姜奇：男，博士，教授，博士生导师，研究方向为密码协议、物联网安全

蔡明鑫：女，硕士生，研究方向为群组密钥管理

程庆丰：男，博士，教授，博士生导师，研究方向为公钥密钥和密码协议、物联网安全

田有亮：男，博士，教授，博士生导师，研究方向为密码学与数据安全

马建峰：男，博士，教授，博士生导师，研究方向为密码学、计算机网络与信息安全

通讯作者:
程庆丰　qingfengc2008@sina.com

中图分类号: TN918
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- 被引次数: 0
出版历程
- 收稿日期: 2022-03-30
- 修回日期: 2022-06-13
- 网络出版日期: 2022-06-21
- 刊出日期: 2023-05-10

Decentralized Group Key Management Scheme in Hierarchical Unmanned Aerial Vehicle Network

1.
School of Network and Information Security, Xidian University, Xi’an 710119, China
2.
Henan Key Laboratory of Network Cryptography Technology, Zhengzhou 450001, China
3.
School of Cyber Science and Engineering, Information Technology University, Zhengzhou 450001, China
4.
School of Computer Science and Technology, Guizhou University, Guiyang 550025, China

Funds: The Major Research Plan of The National Natural Science Foundation of China (92167203), The National Natural Science Foundation of China (62072352, 62125205, 61872449, 61902290, 62072359), The Scientific Research Program Funded by Shaanxi Provincial Education Department (20JY016), The Key Industrial Chain Projects in Shaanxi Province (2020ZDLGY09-06)

摘要

摘要: 为解决现有分层无人机(UAV)网络中群组密钥管理存在的单点故障问题，群组成员离线导致整个群组无法计算、及时更新组密钥的问题，该文提出一种支持异步计算的去中心群组密钥管理方案。该方案采用异步棘轮树(ART)协议实现对群组密钥的预部署，各成员能对组密钥进行异步计算、自主更新；利用区块链技术的去中心化特性解决了单点故障问题，提高了群组密钥管理的透明性与公平性。性能评估表明，与同类方案相比，该方案中的簇成员无人机具有较低的计算开销和通信开销，适合应用于分层无人机网络环境。
- 分层无人机网络 /
- 群组密钥管理 /
- 异步 /
- 去中心
Abstract: To address the single point failure of group key management in the existing hierarchical Unmanned Aerial Vehicle (UAV) network, and the incapability of timely group key calculation and update caused by offline group members, a decentralized group key management scheme that supports asynchronous computing is proposed. The Asynchronous Ratchet Tree (ART) protocol is adopted to realize the pre-deployment of the group key, in which asynchronous calculation and autonomous update of the group key can be performed by each member. The decentralization feature of the blockchain technology is employed to solve the single point failure problem, which improves the transparency and fairness of group key management. The performance evaluation shows that, compared with existing schemes, the cluster member UAV in this scheme has lower computational overhead and communication overhead, and are suitable for application in a hierarchical UAV network environment.
- Hierarchical Unmanned Aerial Vehicle(UAV) network /
- Group key management /
- Asynchronous /
- Decentralized

HTML全文

图 1 群组密钥管理系统模型

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图 2 簇${C_1}$的群组密钥生成

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图 3 无人机${{{\rm{ID}}} _{j,1}}$动态加入(实线框标注部分表示${{{\rm{ID}}} _{j,1}}$密钥更新)

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图 4 基于图3中的${{{\rm{ID}}} _{1,5}}$动态离开

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图 5 无人机${{{\rm{ID}}} _{1,4}}$发起密钥更新(实线框标注部分)

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图 6 不同请求数量或节点数量下的交易处理时间变化

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表 1 无人机节点构建ART的算法复杂度

操作	簇头无人机节点	簇成员无人机节点
初始群组密钥生成	$O(n{\log _2}n)$	$ O({\log _2}n) $
加入	$ O({\log _2}n) $	$ O({\log _2}n) $
离开	$ O({\log _2}n) $	$ O({\log _2}n) $
更新	$ O({\log _2}n) $	$ O({\log _2}n) $

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表 2 密码原语操作运行时间(ms)

操作原语	原语描述	PC端运行时间
${T_{\exp }}$	模幂操作时间	2.418
${T_h}$	SHA256操作时间	0.027
${T_{ {{\rm{bp}}} } }$	双线性配对操作时间	6.233
${T_{ {{\rm{mul}}} } }$	标量乘法操作时间	0.016
${T_{\text{pa-acc}} }$	椭圆曲线点加操作时间	0.0016
${T_{ {{\rm{inv}}} } }$	模逆操作时间	0.175
${T_{\text{pa-bp}} }$	双线性配对点加操作时间	0.073

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表 3 群组密钥计算开销对比(ms)

方案	初始群组密钥计算	更新	加入	退出
文献[17]	$(5n + 5){T_{\exp }} = 72.540$	$ (7 + 5n){T_{\exp }} = 77.376 $	$ 23{T_{\exp }} = 55.614 $	$ (5n - 6){T_{\exp }} = 45.942 $
文献[20]	$ \begin{gathered} {T_{bp}} + 3{T_{{\rm{mul}} }} + {T_{\rm{inv}}} + 4{T_h} \\ (n + 1){T_{{text{{pa}-bp}}}} = 58.866 \\ \end{gathered} $	--	$4{T_{{\rm{bp}}} } + {T_{\rm{inv} } } = 25.107$	$4{T_{{\rm{bp}}} } + {T_{\rm{inv} } } = 25.107$
文献[22]	$\begin{gathered} 4{T_{{\rm{bp}}} } + 3{T_{{\rm{exp}}} } + (2n - 1){T_{ {\rm{mul} } } } \\ + {T_h} + 4{T_{{\text{pa-acc}}} } = 34.421 \\ \end{gathered}$	--	--	--
本文方案	$ (2h - 1){T_{\exp }} = 12.090 $	$ (2h - 1){T_{\exp }} = 12.090 $	$ (2h - 1){T_{\exp }} = 12.090 $	$ (2h - 1){T_{\exp }} = 12.090 $
(注：“--”表示不支持该操作)

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