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Published in:
2005 | OriginalPaper | Chapter
Distributed Credential Chain Discovery in Trust-Management with Parameterized Roles
Authors : Xian Zhu, Shaobin Wang, Fan Hong, Junguo Liao
Published in: Cryptology and Network Security
Publisher: Springer Berlin Heidelberg
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Trust-management subjects face the problem of discovering credential chain. In this paper, the distributed credential chain discovery algorithms in trust-management with parameterized roles are proposed. The algorithms extend the RT
0
’s and are goal-oriented also. Based on the concept of parameterized roles in RT
1
, they search the credential graph via the constant matching and variable solving mechanisms. The algorithms can perform chain discovery in most trust-management systems and can support the protection of access control policies during automated trust negotiation. Soundness and completeness of the algorithms are given.