Secure Data Aggregation Scheme in Smart Grid with Third-Party Arbitration
DING Yong1,2, WANG Bing-yao3, YUAN Fang4, WANG Yu-jue1, ZHANG Kun5, TIAN Lei1
1. Guangxi Key Laboratory of Cryptography and Information Security, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China;
2. Pengcheng Laboratory Cyberspace Security Research Center, Shenzhen, Guangdong 518055, China;
3. School of Mathematics and Computational Science, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China;
4. Foreign Affairs and Communications Administration, Beijing 10045, China;
5. National Information Center, Beijing 100045, China
Abstract：Smart gird is a new generation of power system, which significantly improves the efficiency, reliability and sustainability of power service.However, the issue of privacy information leakage of users in smart grid is becoming increasingly prominent.To address this problem, we propose a privacy-preserving data security collection scheme, where the collector is able to verify all the collected data and aggregate them into a new data packet, then send it to the electricity service provider (ESP) for decryption and storage.This paper also introduces a third-party to arbitrate disputes between the smart meter users and ESP.In our solution, collectors, ESP, and the third-party can perform batch verification on multiple (aggregated) ciphertexts, respectively, so as to efficiently verify their authenticity and integrity.The theoretical analysis and experimental comparison show that the proposed scheme enjoys more computational efficiency and communication efficiency compared with existing scheme.
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2020, Vol. 48 
