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The grid cross domain authorization has been a research hotspot in the information security held. The existing gird cross-domain authorization mechanisms are not flexible and intelligent enough. To solve the problem we propose a grid authorization model based on the description logic (DL) and the attribute based access control (ABAC). The DL formulates the definition and representation of attributes,...
The efficient authorization is the precondition of implementing access control. Traditional access control technology which lacks dynamic authorization mechanism focuses on the beforehand authorization process. Based on usage control (UCON) which is new access control technology, this paper proposes a role-based dynamic authorization model. This model extends RBAC by introducing elements of UCON such...
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