基于云存儲的權(quán)限管理系統(tǒng)的設(shè)計與實現(xiàn)
[Abstract]:With the rapid development of cloud computing technology, cloud storage services based on cloud computing technology are gradually applied to various industries. Cloud storage realizes cooperative work and information sharing under the Internet. At the same time, the number of users and resources is huge and dynamic. Therefore, it is necessary to construct an access control strategy that can adapt to cloud storage environment. Previous access control models were designed for static environment, but in cloud storage environment, the network environment is larger and is in dynamic change, these access control models are difficult to adapt to such an environment. When the number of users in the system becomes very large, the assignment and management of user roles become very complicated and cumbersome, while the attribute-based access control is established in a distributed environment. This deficiency can be made up well. Therefore, this paper combines the two kinds of access control effectively, that is, according to the attribute of user, resource and environment to assign the role automatically to the user, thus avoiding the complicated work of manual assignment. According to this model, a privilege management system is designed and implemented. The main work of this paper is as follows: firstly, this paper introduces the related knowledge of cloud storage technology and access control technology, based on the analysis of various access control models and the characteristics of cloud storage. By comparing with the traditional access control model, the advantages and disadvantages of attribute based access control and role based access control are obtained. Secondly, this paper uses a model which combines role-based access control and attribute-based access control, describes the structure of the model and the design of the module in detail, and according to the system requirements, The designed model is simplified. Finally, according to the requirements of the system and on the basis of the designed access control model, a suitable policy scheme is designed, and according to the policy scheme, Finally, a privilege management system for cloud storage service is designed and implemented.
【學(xué)位授予單位】:華北電力大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:TP393.07
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