Abstract
Most of access control mechanisms use the matrix model to represent protection states of computer systems. We present a variant of the access control matrix model obtained by incorporating temporal constraints saying that "subject s has right r on object o since at least duration d". In connection with this enriched model, we also discuss the decidable and undecidable cases of one of the major themes of computer security, namely the classical safety problem for access control matrices. © Springer-Verlag Berlin Heidelberg 2005.
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CITATION STYLE
Balbiani, P., & Cheikh, F. (2005). Safety problems in access control with temporal constraints. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 3685 LNCS, pp. 165–178). https://doi.org/10.1007/11560326_13
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