A Multi-dimensional Data Aggregation Signcryption Scheme with Anonymity in the Smart Grid

Under the background of smart grid, the regular collection of electricity data from customers using smart meters presents a major risk of privacy leakage. Moreover, conventional multidimensional data aggregation schemes rely on trusted authorities, which are unable to withstand joint attacks from gateways and control centers, leading to concerns about privacy violations among users. To address this issue, we propose a multidimensional data aggregation signcryption scheme with anonymity in smart grid. By integrating the Paillier homomorphic encryption system and fog computing architecture, we achieve authentication and key agreement between users to ensure data privacy and resist potential attacks from control centers(CC) and fog nodes(FN). The solution integrates the Home Energy Management System (HEMS) with the power company’s billing department Management System (MS) to enhance intelligence and management efficiency. Furthermore, security analysis and performance assessment demonstrate that our proposed scheme surpasses existing techniques in terms of security and efficiency.