Abstract
The data stored in the cloud contains a lot of privacy and confidentiality. The scalability of data privacy access control is weak, the attack resistance rate is low, and the risk rate of privacy disclosure is high. Therefore, a data privacy access control method based on ciphertext policy attribute-based encryption algorithm is proposed. The encryption scheme is designed based on the ciphertext policy attribute-based encryption algorithm as the formulated privacy policy. Aiming at the implementation and guarantee of privacy policy in cloud environment, a trusted execution method of privacy policy in cloud environment is proposed. Design a data access control model based on blockchain. The entities included in the model are data owner, data requester, data storage center, attribute authority and blockchain network. The test results show that the method has strong scalability, high fault tolerance rate, no third party, can achieve authorization, and the attack resistance rate is higher than 94%, and the risk rate of privacy leakage is low.
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Zhang, C., Lin, W., Zhang, Y. (2024). Data Privacy Access Control Method Based on Ciphertext Policy Attribute-Based Encryption Algorithm. In: Wang, B., Hu, Z., Jiang, X., Zhang, YD. (eds) Multimedia Technology and Enhanced Learning. ICMTEL 2023. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 534. Springer, Cham. https://doi.org/10.1007/978-3-031-50577-5_25
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DOI: https://doi.org/10.1007/978-3-031-50577-5_25
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