Smart Contract-based Security Architecture for Wireless Mesh Network

doi:10.19678/j.issn.1000-3428.0054940

Abstract

Abstract: To improve the security of Wireless Mesh Network(WMN),this paper proposes a Smart Contract-based Security Architecture(SCSA) that integrates blockchain technology.The proposed architecture builds blockchains on routing nodes.Three types of smart contracts are deployed to provide hierarchical management for public keys of nodes,including public key updating,public key cancellation and user access authentication.Also,the Elliptic Curve Diffie-Hellman(ECDH) and symmetric encryption are used to implement secure communication between nodes.Experimental results show that SCSA can efficiently resist node clone attacks or node forgery attacks,key compromise attacks and denial of service attacks,ensuring the security and efficiency of network communication.

Key words: Wireless Mesh Network(WMN), blockchain, smart contract, key management, authentication, Elliptic Curve Diffie-Hellman(ECDH)

摘要： 针对无线Mesh网络安全性，结合区块链技术，提出基于智能合约的安全架构（SCSA）。在Mesh路由器节点上建立区块链，部署3类智能合约对节点公钥进行分级管理，通过这3类智能合约实现节点公钥更新与撤销以及用户访问认证，同时采用椭圆曲线Diffie-Hellman和对称加密实现节点间的安全通信。实验结果表明，SCSA可有效抵抗克隆或伪造节点攻击、密钥泄露攻击及拒绝服务攻击，同时保证了网络通信的安全性和高效性。

关键词: 无线Mesh网络, 区块链, 智能合约, 密钥管理, 认证, 椭圆曲线Diffie-Hellman

CLC Number:

TP391

ZHANG Bin, GUANG Hui, CHEN Xi. Smart Contract-based Security Architecture for Wireless Mesh Network[J]. Computer Engineering, 2019, 45(11): 16-23,31.

张彬, 广晖, 陈熹. 基于智能合约的无线Mesh网络安全架构[J]. 计算机工程, 2019, 45(11): 16-23,31.

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