A conditional constructive logic for access control and its sequent calculus

Valerio Genovese, Laura Giordano, Valentina Gliozzi, Gian Luca Pozzato

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Abstract

In this paper we study the applicability of constructive conditional logics as a general framework to define decision procedures in access control logics. To this purpose, we formalize the assertion A says φ, whose intended meaning is that principal A says that φ, as a conditional implication. We introduce , which is a conservative extension of the logic ICL recently introduced by Garg and Abadi. We identify the conditional axioms needed to capture the basic properties of the "says" operator and to provide a proper definition of boolean principals. We provide a Kripke model semantics for the logic and we prove that the axiomatization is sound and complete with respect to the semantics. Moreover, we define a sound, complete, cut-free and terminating sequent calculus for CondACL, which allows us to prove that the logic is decidable. We argue for the generality of our approach by presenting canonical properties of some further well known access control axioms. The identification of canonical properties provides the possibility to craft access control logics that adopt any combination of axioms for which canonical properties exist.

Lingua originaleInglese
Titolo della pubblicazione ospiteAutomated Reasoning with Analytic Tableaux and Related Methods - 20th International Conference, TABLEAUX 2011, Proceedings
Pagine164-179
Numero di pagine16
DOI
Stato di pubblicazionePubblicato - 2011
Evento20th International Conference on Automated Reasoning with Analytic Tableaux and Related Methods, TABLEAUX 2011 - Bern, Switzerland
Durata: 4 lug 20118 lug 2011

Serie di pubblicazioni

NomeLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume6793 LNAI
ISSN (stampa)0302-9743
ISSN (elettronico)1611-3349

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???event.eventtypes.event.conference???20th International Conference on Automated Reasoning with Analytic Tableaux and Related Methods, TABLEAUX 2011
Paese/TerritorioSwitzerland
CittàBern
Periodo4/07/118/07/11

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