Persistent_BNDC (P_BNDC, for short) is an information-flow security property for processes in dynamic contexts, i.e., contexts that can be reconfigured at runtime. Intuitively, P_BNDC requires that high level interactions never interfere with the low level behavior of the system, in every possible state. P_BNDC is verified by checking whether the system interacting with a high level component is bisimilar or not to the system in isolation. In this work we contribute to the verification of information-flow security in two respects: (i) we give an unwinding condition that allows us to express P_BNDC in terms of a local property on high level actions and (ii) we exploit this local property in order to define a proof system which provides a very efficient technique for the development and the verification of P_BNDC processes. © Springer-Verlag Berlin Heidelberg 2003.
CITATION STYLE
Bossi, A., Focardi, R., Piazza, C., & Rossi, S. (2003). A proof system for information flow security. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2664, 199–218. https://doi.org/10.1007/3-540-45013-0_16
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