Aspect-oriented state machines for resolving conflicts in XACML policies

TitreAspect-oriented state machines for resolving conflicts in XACML policies
Publication TypeJournal Article
Year of Publication2017
AuthorsAyache, M, Erradi, M, Freisleben, B, Khoumsi, A
JournalLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume10299 LNCS

Authorizationin collaborativesystemsisdefinedbyaglobal policy that represents the combination of the collaborators’ access policies. However, the enforcement of such a global policy may create conflicting authorization decisions. In this paper, we categorize two types of conflicts that may occur in such policies. Furthermore, to resolve these conflicts and to reach a unique decision for an access request, we present an approach that uses XACML policy combining algorithms and considers the category of the detected conflicts. The approach is implemented using aspect-oriented finite state machines. © Springer International Publishing AG 2017.




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