2006 | OriginalPaper | Buchkapitel
An Access Control Scheme for Partially Ordered Set Hierarchy with Provable Security
verfasst von : Jiang Wu, Ruizhong Wei
Erschienen in: Selected Areas in Cryptography
Verlag: Springer Berlin Heidelberg
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In a hierarchical structure, an entity has access to another if and only if the former is a superior of the later. The access control scheme for a hierarchy represented by a partially ordered set (poset) has been researched intensively in the past years. In this paper, we propose a new scheme that achieves the best performance of previous schemes and is provably secure under a comprehensive security model.