A Blockchain- and ABE-based scheme for data security and data sharing
Cheng Jiang, Qiang He · 2023
Problems such as low trust, opaque data and data leakage are easily found in data sharing of evidential testing among different power engineering departments responsible for quality management. In this regard, this paper proposed several schemes for a secure data sharing in the power engineering. In the schemes, each department forms an allied blockchain, and the generated data for testing are stored on-chain and off-chain. To ensure data security and sharing, the testing data are encrypted into ciphertext, and Ciphertext-Policy Attribute-Based Encryption (CP-ABE) is used to realize cross-unit sharing of ciphertext data. The proposed schemes can effectively solve the problems existing in data provenance, data sharing and privacy protection in an engineering data testing and can promote the application of blockchain in this field.