ISSN 1000-1239 CN 11-1777/TP

计算机研究与发展 ›› 2018, Vol. 55 ›› Issue (12): 2651-2663.doi: 10.7544/issn1000-1239.2018.20170651

• 信息安全 • 上一篇    下一篇

簇间非对称群组密钥协商协议

张启坤1,甘勇1,王锐芳1,郑家民2,谭毓安2   

  1. 1(郑州轻工业学院计算机与通信工程学院 郑州 450002);2(北京理工大学计算机学院 北京 100081) (zhangqikun04@163.com)
  • 出版日期: 2018-12-01
  • 基金资助: 
    国家自然科学基金项目(U1636213,61772477,61572445,61501406);河南省自然科学基金项目(162300410322);河南省科技攻关项目(172102210059); 北京市自然科学基金项目(4172053)

Inter-Cluster Asymmetric Group Key Agreement

Zhang Qikun1, Gan Yong1, Wang Ruifang1, Zheng Jiamin2, Tan Yu’an2   

  1. 1(Institute of Computer and Communication Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002);2(School of Computer Science and Technology, Beijing Institute of Technology, Beijing 100081)
  • Online: 2018-12-01

摘要: 无线传感器网络中传感器节点资源受限,传感器节点的通信能力及范围限制了其协同操作的规模,该环境下的群组密钥协商往往以簇为单元,群组之间的安全信息交换也限制于簇内通信.针对传感器通信能力及计算能力的限制,提出一种簇间轻量级非对称群组密钥协商协议(inter-cluster lightweight asymmetric group key agreement, CL-AGKG),为簇间传感器节点间建立一条安全高效的群组通信信道.该协议首先建立簇头间的联盟共享密钥,以簇头为桥接节点,实现不同簇的传感器节点具有相同的群组密钥因子信息,进而实现跨簇非对群组密钥协商.全网节点都可以与群组内部节点共享其秘密信息,实现消息发送者不受群组约束的群组安全通信机制.通过非对称计算将更多传感器节点的计算与通信量迁移到能量较大的簇头节点,确保传感器节点的计算及通信开销轻量级性.并实现密钥自证实性,不需要额外的通信轮数,传感器节点可自证实其计算群组密钥的正确性.经分析并证明:该协议在安全及性能方面具有较高的优势.

关键词: 无线传感网, 非对称群组密钥协商, 可认证, 密钥自证实性, 非对称计算

Abstract: Wireless sensor networks have some obvious characteristics, such as communication range is limited, energy-constraint, network is vulnerable et al. Group key agreement in this environment requires a cross-cluster, and computation and communication overhead are lightweight and highly safe group key agreement protocol. Aiming at these demands, the paper proposes a cross-domain lightweight asymmetric group key agreement, in order to establish a safe and efficient group communication channel among sensor nodes. Firstly, the protocol establishes the secret information among the cluster heads, and the cluster head as the bridge node to realize the sensor nodes in different cluster have the same group key information, thus realizing the cross cluster asymmetric group key agreement. The whole network node can share the secret information with the internal nodes of the group, which realizes the group security communication mechanism of the message sender unconstraint; proposed an asymmetric calculation to achieve computation and communication migration technologies to ensure that the sensor nodes are lightweight computing and communication consumption. For our asymmetric GKA protocol, the key confirmation is simple and requires no additional rounds if the protocol has been correctly executed. Proven and analysis show that the proposed protocol has the advantages in security and energy consumption.

Key words: wireless sensor networks, asymmetric group key agreement, authenticated, key self-confirmation, asymmetric calculation

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