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.
CITATION STYLE
Ayache, M., Erradi, M., Freisleben, B., & Khoumsi, A. (2017). Aspect-oriented state machines for resolving conflicts in XACML policies. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 10299 LNCS, pp. 166–171). Springer Verlag. https://doi.org/10.1007/978-3-319-59647-1_13
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