Inconsistency Resolution Method for RBAC Based Interoperation

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概要

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• In this paper, we propose an inconsistency resolution method based on a new concept, insecure backtracking role mapping. By analyzing the role graph, we prove that the root cause of security inconsistency in distributed interoperation is the existence of insecure backtracking role mapping. We propose a novel and efficient algorithm to detect the inconsistency via finding all of the insecure backtracking role mappings. Our detection algorithm will not only report the existence of inconsistency, but also generate the inconsistency information for the resolution. We reduce the inconsistency resolution problem to the known Minimum-Cut problem, and based on the results generated by our detection algorithm we propose an inconsistency resolution algorithm which could guarantee the security of distributed interoperation. We demonstrate the effectiveness of our approach through simulated tests and a case study.

著者

• HUANG Chao

  Computer College of Zhejiang University

• SUN Jianling

  Computer College of Zhejiang University

• WANG Xinyu

  Computer College of Zhejiang University

• WU Di

  State Street Corporation

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• Inconsistency Resolution Method for RBAC Based Interoperation
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