A novel privacy-preserving multi-level aggregate signcryption and query scheme for Smart Grid via mobile fog computing. (June 2022)

• Record Type: Journal Article
• Authors: Li, Kunchang; Shi, Runhua; Wu, Mingxia; Li, Yifei; Zhang, Xiaoxu
• Is Part Of: Journal of information security and applications. Volume 67(2022)
• Publication Date: 2022-06
• Subjects: 00-01 -- 99-00; Smart Grid -- Mobile fog computing -- Privacy-preserving -- Aggregate signcryption -- Quantum key pool; Computer security -- Periodicals; Information technology -- Security measures -- Periodicals; 005.805
• DOI: 10.1016/j.jisa.2022.103214
• Languages: English
• ISSNs: 2214-2126

Abstract

Abstract: With the vigorous development of edge computing, edge devices are more and more powerful and widely deployed. Mobile fog computing-based Smart Grid emerges as the times require and attracts much attention, by combining Smart Grid and mobile fog computing. Nonetheless, user privacy is also facing new challenges, which are caused by mobility. Particularly the key management problem when multiple users apply for key frequently. For the purpose of solving this problem, this paper proposes a novel privacy-preserving multi-level aggregate signcryption and query scheme for Smart Grid with mobile fog computing and quantum key pool. Firstly, we develop a multi-level and dynamic privacy-preserving aggregate signcryption method without trusted authority, including space-based data aggregation and time-based data aggregation. To enhance the security of key management, we introduce quantum key pool to fast distribute the keys. Secondly, we implement a data query and share method based on proxy re-encryption. It not only supports users to query historical data and bills, but also realizes secure data sharing with other third parties. Ultimately, we design formal security analysis and digital simulation experiments. The analysis results show that the proposed scheme can achieve the characteristics of secure, high efficiency, lightweight and robustness. In the background of the increasingly wide application of quantum technology, we hope this work is a trigger for other scholars and institutions in the hybrid application of quantum and classical technology.