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Automated trust negotiation (ATN) is an approach to establishing mutual trust between strangers wishing to share resources or conduct business by gradually requesting and disclosing digitally signed credentials. We present the formalization of automated trust negotiation system in the applied pi calculus and analyze its security property automatically with the assistant of an automatic protocol analyzer,...
Facing with the enlarging scale of Grid, the entity has to process large amounts of recommendatory trust data. The data may contain malicious recommendation, which would make the result inaccurate when using D-S theory or arithmetic average. Furthermore, the trust value of target entity would be distorted with the length of the trust chain. This paper proposes a Cloud-based processing method to solve...
Facing the enlarging scale of Grid and its increasing number of users, the Grid Service Providers (GSPs) need to evaluate and manage the trust of all users effectively. A D-S-theory-based multi-level trust evaluation model is proposed in this paper to solve the problem. In accord with the architecture for Grid, this model makes the result more reasonable and accurate, restrains the attacks such as...
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