基于区块链的电力物联网接入认证技术研究  

Research on access authentication technology of power IoT based on Blockchain

作　　者：陈孝莲[1] 虎啸 沈超[1] 李洋 高雪 于佳 Chen Xiaolian;Hu Xiao;Shen Chao;Li Yang;Gao Xue;Yu Jia(Wuxi Power Supply Company,Wuxi 214002,China;NARI Group Corporation(State Grid Electric Power Research Institute),Nanjing 211106,China)

机构地区：[1]国网无锡供电公司,江苏无锡214002 [2]南瑞集团有限公司(国网电力科学研究院),江苏南京211106

出　　处：《电子技术应用》2019年第11期77-81,共5页Application of Electronic Technique

基　　金：国网江苏省电力有限公司科技项目(J2018-91719-XTKJ)

摘　　要：随着信息通信技术的发展和“云、大、物、移”战略的实施,电力物联网已为电网发输变配用电等环节提供重要支撑,然而目前集中式的接入认证方式给认证中心带来了巨大的计算和通信压力,特别是大规模并发接入和移动接入为系统认证效率带来严重影响。利用区块链技术去中心化、不可否认的特性,结合电力系统特点,提出了适用于电力物联网的分布式认证方案,方案结合Shamir门限秘密共享机制实现了一种PBFT共识机制,已经合法接入的终端组成认证组,发起对新入终端的分布式认证,并通过区块链分布式账本进行记录。实验表明,该方案可有效提高电力物联网终端并发接入效率。With the development of information and communication technology and the implementation of the strategy of"Cloud,Big,Things,Move",the power Internet of Things has provided important support for the transmission,transformation,distribution and power consumption of power grid.However,the centralized access authentication method has brought tremendous pressure on the authentication center,especially the large-scale concurrent access and mobile access,which have a serious impact on the system authentication efficiency.Based on the decentralized and undeniable characteristics of Blockchain technology and the characteristics of power system,a distributed authentication scheme for power Internet of Things is proposed.The scheme realizes a PBFT consensus mechanism by combining Shamir threshold secret sharing mechanism.The legally accessed terminals form an authentication group,initiating distributed authentication for new terminals,and recording through Blockchain distributed account book.Experiments show that the scheme can effectively improve the concurrent access efficiency of power Internet of Things terminals.

关 键 词：区块链 电力物联网 智能合约 共识机制 分布式认证 

分 类 号：TN915[电子电信—通信与信息系统]