Abstract
In order to solve the security problems existing when power users access power services in different domains, this paper proposes a dynamic authorization model for power users based on master-slave chain. In this model, the slave Blockchain conducts identity authentication in each autonomous domain, and the main Blockchain undertakes identity authentication among autonomous domains. Moreover, by constructing an attribute access control model, a trusted identity cross-domain authorization mechanism is proposed, and an attribute-based allocation strategy in both single-domain and cross-domain scenarios is designed in detail. Through application analysis and security analysis, it is verified that the trusted identity cross-domain authorization mechanism proposed in this paper can be conveniently applied to existing systems, and has better performance in confidentiality, integrity, and availability.
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Acknowledgements
This work is supported by the science and technology project of State Grid Corporation: Blockchain-Based Research and Typical Scenario Application of Trusted Service Support System for Electric Power Business (5700-201918243A-0-0-00).
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Huang, X., Guo, Q., Yao, Q., Huo, X. (2021). Trusted Identity Cross-Domain Dynamic Authorization Mechanism Based on Master-Slave Chain. In: Liu, Q., Liu, X., Shen, T., Qiu, X. (eds) The 10th International Conference on Computer Engineering and Networks. CENet 2020. Advances in Intelligent Systems and Computing, vol 1274. Springer, Singapore. https://doi.org/10.1007/978-981-15-8462-6_101
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DOI: https://doi.org/10.1007/978-981-15-8462-6_101
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