Nonmonotonicity in Trust Management

Abstract : The work discusses nonmonotonicity in terms of trust management systems and presents model allowing for credential revocation in the Role-based Trust-management Framework. A freshness constraints have been adopted into RT Framework in order to overcome nonmonotonicity and turn it to be temporarily monotonic. The proposed model allows for freshness requirements specification on policy level and utilises freshness graph in order to perform propagation of freshness requirements along credential chains. Finally, an evaluation of the model against real-life scenario has been performed.
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Communication dans un congrès
Róbert Szabó; Attila Vidács. 18th European Conference on Information and Communications Technologies (EUNICE), Aug 2012, Budapest, Hungary. Springer, Lecture Notes in Computer Science, LNCS-7479, pp.372-383, 2012, Information and Communication Technologies. 〈10.1007/978-3-642-32808-4_34〉
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Wojciech Pikulski. Nonmonotonicity in Trust Management. Róbert Szabó; Attila Vidács. 18th European Conference on Information and Communications Technologies (EUNICE), Aug 2012, Budapest, Hungary. Springer, Lecture Notes in Computer Science, LNCS-7479, pp.372-383, 2012, Information and Communication Technologies. 〈10.1007/978-3-642-32808-4_34〉. 〈hal-01543151〉

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