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Research and Design on the Role-based Access Control for Web services

Author: ZhangZuo
Tutor: TanWenAn
School: Nanjing University of Aeronautics and Astronautics
Course: Computer Science and Technology
Keywords: Life-cycle context Access Control Authorized to assign dynamically
CLC: TP393.09
Type: Master's thesis
Year: 2011
Downloads: 38
Quote: 1
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Abstract


Web services are rapidly developed into a basic model to develop complex Web applications on the Internet for information exchange based on a series of open standard protocols (such as SOAP, UDDI and WSDL), loosely coupled, platform-independent, can be reusability, openness, and other characteristics. With the rapid development of Internet technology, network information increasingly rich resource sharing become more widespread, convenience, along with network and information security problems, however, more and more prominent. User unauthorized access to network resources and access to one of the Web services security weaknesses. Access control problem has become the key factors that affect its further application. Therefore, the design of an access control mechanism to prevent Web services is unauthorized user access and malicious attack becomes very important. This paper focuses on the security issues in Web services applications, in-depth study of access control and authorization management. Research content and innovative contributions are as follows: First, take into account the dynamic nature of the service requester of Web services and Web services application characteristics, based on traditional access control model based on a context and trust-based service-oriented dynamic access control the (Dynamic Role-Based Access Control Using Context-Trust, CT-DRBAC) model, the model of authorization mechanisms and access control policies. Consider opening system user access request context information important factors, combined trust management mechanism to evaluate user trust, design, and dynamic user role authorization algorithm to meet the main dynamic changing security needs, to make the system user roles assigned a more intelligent and scientific. Then existing Web services security architecture, Web services security control requirements, the CT-DRBAC-based access control model, designed and implemented a Web services application system access control module, dynamic Web services security architecture sex. Finally, based on the results of the theoretical research, a WEB-based online condolences implementation of the proposed access control mechanism in the development of the system instance, to test the validity of the access control module, the test results show that the access control module dynamic user context by analyzing grant the role to users, better able to adapt to the dynamic changes of the subject.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > The application of computer network
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