On observability of discrete-event systems
Information Sciences: an International Journal - Robotics and Automation/Control Series
Theoretical Computer Science
Proceedings of the 7th ACM conference on Computer and communications security
From Timed Automata to Logic - and Back
MFCS '95 Proceedings of the 20th International Symposium on Mathematical Foundations of Computer Science
Classification of Security Properties (Part I: Information Flow)
FOSAD '00 Revised versions of lectures given during the IFIP WG 1.7 International School on Foundations of Security Analysis and Design on Foundations of Security Analysis and Design: Tutorial Lectures
Timed Control Synthesis for External Specifications
STACS '02 Proceedings of the 19th Annual Symposium on Theoretical Aspects of Computer Science
Intransitive Non-Interference for Cryptographic Purposes
SP '03 Proceedings of the 2003 IEEE Symposium on Security and Privacy
A decidable notion of timed non-interference
Fundamenta Informaticae - Concurrency specification and programming
Modelling Downgrading in Information Flow Security
CSFW '04 Proceedings of the 17th IEEE workshop on Computer Security Foundations
Real-time information flow analysis
IEEE Journal on Selected Areas in Communications
The Dark Side of Timed Opacity
ISA '09 Proceedings of the 3rd International Conference and Workshops on Advances in Information Security and Assurance
Synthesis of Non-Interferent Timed Systems
FORMATS '09 Proceedings of the 7th International Conference on Formal Modeling and Analysis of Timed Systems
Describing Secure Interfaces with Interface Automata
Electronic Notes in Theoretical Computer Science (ENTCS)
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In this paper, the problem of synthesizing controllers that ensures non interference for multilevel security dense timed discrete event systems modeled by an extension of Timed Automata, is addressed for the first time. We first discuss a notion of non interference for dense real-time systems that refines notions existing in the literature and investigate decidability issues raised by the verification problem for dense time properties. We then prove the decidability of the problem of synthesis of the timed controller for some of these timed non interference properties, providing so a symbolic method to synthesize a controller that ensures them.