基于分簇结构的非对称随机密钥预分配方案
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摘要
针对随机密钥预分配方案(简称为"EG方案")只适用于平面结构及节点密钥存储开销较大等问题,提出一种基于分簇结构设计的非对称随机密钥预分配方案,簇头之间采用完全密钥共享技术,在分簇内部簇头和普通节点之间采用非对称的随机密钥预分配技术.该方案通过提升簇头和簇内普通节点共享密钥的概率建立簇内节点的安全连接,通过簇头节点的转发来实现簇间节点的安全连接.结果表明,相比EG方案,该混合密钥预分配方案在达到相同的安全连通度的情况下,可有效减少簇内节点的密钥存储开销.
The random key distribution scheme(EG scheme) has the characteristic of large node storage overhead and is designed for flat structure. An asymmetric random key pre-preparation based on clustering structure is proposed in this paper. The asymmetric random key pre-distribution is used for key sharing among cluster head nodes and normal nodes. This structure can improve the probability of key sharing among cluster head nodes and normal nodes to establish intra-cluster secure connection and is implemented by forwarding the cluster head node. The results show that compared with the EG scheme, this scheme can effectively reduce key storage cost of nodes while maintaining the same secure connectivity.
The random key distribution scheme(EG scheme) has the characteristic of large node storage overhead and is designed for flat structure. An asymmetric random key pre-preparation based on clustering structure is proposed in this paper. The asymmetric random key pre-distribution is used for key sharing among cluster head nodes and normal nodes. This structure can improve the probability of key sharing among cluster head nodes and normal nodes to establish intra-cluster secure connection and is implemented by forwarding the cluster head node. The results show that compared with the EG scheme, this scheme can effectively reduce key storage cost of nodes while maintaining the same secure connectivity.
引文
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[2] 孙利民,张书钦,李志,等.无线传感器网络 [M].北京:清华大学出版社,2018.
[3] ZHU Jia,ZOU Yulong,ZHENG Baoyu.Physical-layer security and reliability challenges for industrial wireless sensor networks [J].IEEE Access,2017(5):5313-5320.
[4] ESCHENAUER L,GLIGOR V D.A key-management scheme for distributed sensor networks [C]//Proceedings of the 9th ACM Conference on Computer and Communications Security.Washington,DC,USA:[s.n.],2002:41-47.
[5] ZHAO Jun.Probabilistic key predistribution in mobile networks resilient to node-capture attacks [J].IEEE Trans Inform Theory,2017,63(10):6714-6734.
[6] YAGAN O,MAKOWSKI A M.Modeling the pairwise key distribution scheme in the presence of unreliable links [J].IEEE Trans Inform Theory,2013,59(3):1740-1760.
[7] YAGAN O,MAKOWSKI A M.On the connectivity of sensor networks under random pairwise key predistribution [J].IEEE Trans Inform Theory,2013,59(9):5754-5762.
[8] OMAR C.Secure group communication in wireless sensor networks:a survey [J].J Netw Comput Appl,2016,61:115-132.
[9] YAGAN O.Random graph modeling of key distribution schemes in wireless sensor networks [D].Maryland State:University of Maryland,2011.
[10] YAGAN O.Zero-one laws for connectivity ininhomogeneous random key graphs [J].IEEE Trans Inform Theory,2016,62(8):4559-4574.
[11] HEINZELMAN W B,CHANDRAKASAN A P,BALAKRISHNAN H.An application-specific protocol architecture for wireless microsensor networks [J].IEEE Trans Wireless Commun,2002,1(4):660-670.
[10] POURGHOLI M,MAJD M J.A novel robust proportional-integral (PI) adaptive observer design for chaos synchronization [J].Chin Phys B,2011,20(12):120503:1-7.