| COMPUTER SCIENCE AND TECHNOLOGY |
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Data access control model based on data's role and attributes for cloud computing |
| WANG Yuding, YANG Jiahai |
| Institute for Network Sciences and Cyberspace, Tsinghua University, Beijing 100084, China |
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Abstract The key cloud computing characteristics, such as data openness, elasticity, and sharing, complicate data access control. Traditional access control models cannot provide flexible, dynamic access control to large numbers of users with massive data files. This paper presents a data access control model based on the data's role and attribute for cloud computing. An attribute element is assigned to the data to provide role-based access control so that users can be assigned roles based on their own attributes and the tenant's attributes and current status, and can access data with different attributes. The paper illustrates the design of this model and the work processes and provides a theoretical security analysis. The results show that the model can provide dynamic, safe, fine-grained access control for users accessing data in a cloud environment.
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| Keywords
cloud computing
access control model
attribute
role
access permission
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Issue Date: 15 November 2017
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2017,
Vol. 57
