Abstract
In order to improve data security, ensure user privacy, and solve the problems of low data access control accuracy, long time consumption, and high energy consumption in traditional methods, a cloud computing storage data access control method based on dynamic re-encryption is proposed. The principal component analysis method is used to reduce the dimension of the cloud computing storage data, and the random forest algorithm is further used to classify and process the cloud computing storage data according to the processing results. On the basis of data preprocessing, an access control tree is established to obtain the correlation of data nodes. Finally, the dynamic re-encryption method is used for data security state transformation, and the data access control of cloud computing storage is realized through key generation, encryption, re-encryption key generation, and decryption. The experimental results show that the data access control accuracy of the method in this paper is high, time consumption is small, and energy consumption is small, and it is more suitable for cloud computing systems with huge data and information.
Highlights
With the rise and development of cloud computing, Internet of ings, big data, and other new computing technologies, global informatization has caused profound changes in the world, and the national economy, social development, and people’s life are unprecedentedly dependent on information technology [1,2,3]
In order to optimize the access control precision, time consumption, and energy consumption, this paper proposes a dynamic re-encryption-based access control method for cloud computing storage data
In order to avoid this kind of risk, this study proposes a new method of cloud computing storage data access
Summary
With the rise and development of cloud computing, Internet of ings, big data, and other new computing technologies, global informatization has caused profound changes in the world, and the national economy, social development, and people’s life are unprecedentedly dependent on information technology [1,2,3]. Access control is an important basis for protecting data confidentiality, integrity, availability, and legitimate use It is one of the key strategies for network security and resource protection [4,5,6]. Liu et al [8] proposed a big data access control method based on the blockchain. A big data access control architecture based on blockchain technology is proposed, and its basic framework and access control process are described and analyzed in detail. E above several existing data access control methods have basic application requirements, but the traditional methods focus on the deletion of sensitive data and blockchain technology, ignoring the dimensionality reduction of data, and the traditional methods are all single encryption, whose encryption effect is not ideal enough to achieve wide applications, and the application adaptability needs to be further strengthened. In order to optimize the access control precision, time consumption, and energy consumption, this paper proposes a dynamic re-encryption-based access control method for cloud computing storage data
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