Research on Blockchain-Based Multi-Chain Storage Technology for Industrial Internet of Things Data
Sheping Zhai, Faxin Liu, Jiaying Lian, Rui Yang · 2023
Due to the strong privacy requirements of industrial Internet of Things (IoT) data, the secure storage of data has become a critical issue for the development of the industrial IoT. In response to this issue, a blockchain-based multi-chain storage model for industrial IoT data is proposed. To ensure both the efficiency and security of data storage, multiple blockchains are used to process data in parallel, with different blockchains defining distinct datasets to achieve physical isolation of data. Furthermore, the SM2 algorithm is enhanced, eliminating the need for certificates to manage public keys and involving multiple key generation centers in key generation, making it more suitable for industrial IoT scenarios. Finally, a hybrid encryption algorithm using SM2 and SM4 is employed to encrypt interactive data, enhancing encryption and decryption speed while ensuring data security.