Design and Implementation of Blockchain-based Trust Gateway for Power Internet of Things

doi:10.11930/j.issn.1004-9649.202101057

Abstract

Abstract: In order to ensure the cyber security of bulk power system, a distributed dynamic gateway architecture based on blockchain and access authentication mechanism is proposed regarding the vulnerabilities of gateway to cyberattacks in the complex communication network of power Internet of Things, as well as the problems of heavy loading, low efficiency and potential security risks caused by the equipment access authentication mode in the centralized platform. The consensus mechanism of blockchain is applied to the dynamic switching process of the main gateway to form a distributed dynamic gateway structure. The device ID and other digital information involved in the access authentication process are stored in the blockchain data storage structure to improve the data security in the authentication process. To demonstrate the effectiveness of the method in theory and practice, security analysis and experiments are carried out. The results show that the proposed dynamic gateway architecture can boost the resistance to the general attacks of the Internet of Things. The access authentication mechanism can also provide access authentication assurance with high security for power Internet of Things devices.

Key words: electricity internet of things, blockchain, consensus mechanism, gateway, authentication access

ZHAO Bingzhen, WANG Dong, QIAN Xue, LI Jun. Design and Implementation of Blockchain-based Trust Gateway for Power Internet of Things[J]. Electric Power, 2021, 54(7): 192-197.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202101057

https://www.electricpower.com.cn/EN/Y2021/V54/I7/192

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