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A novel trust enhanced grid authentication mechanism
Authors:Haiyan Wang  Ruchuan Wang
Institution:College of Computer Science, Nanjing University of Postsand Telecommunications, Nanjing 210003, Jiangsu, China
Abstract:To improve trustworthiness in grid authentication, a novel trust enhanced grid authentication mechanism (TEGAM) is proposed in this paper where trust is divided into trust on grid entity (GE) and trust on third party (TP). In order to obtain precise trust evaluation on GE’s behaviors, trust on GE is further subdivided into trust as service consumer and trust as service provider. Details for the structure of TEGAM and related TEGAM-based authentication process are also given. Simulation results and property analysis show that, compared with current trust-based grid authentication techniques, TEGAM can not only help establish explicit and dynamic trust relationships among grid entities but also will significantly increase the efficacy of grid authentication. Foundation item: Supported by the National Natural Science Foundation of China (60573141, 60773041), National High Technology Research and Development Program of China (2007AA01Z478), Jiangsu Provincial Research Scheme of Natural Science for Higher Education Institutions (07KJB520083) and 2006 Jiangsu Government Scholarship for Overseas Studies
Keywords:grid  authentication  trust
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