Towards secure time-triggered systems

Authors:
Florian Skopik;Albert Treytl;Arjan Geven;Bernd Hirschler;Thomas Bleier;Andreas Eckel;Christian El-Salloum;Armin Wasicek
Affiliations:
Safety and Security Department, AIT Austrian Institute of Technology, Austria;Institute for Integrated Sensor Systems, Austrian Academy of Sciences, Austria;TTTech Computertechnik AG, Austria;Institute for Integrated Sensor Systems, Austrian Academy of Sciences, Austria;Safety and Security Department, AIT Austrian Institute of Technology, Austria;TTTech Computertechnik AG, Austria;Institute of Computer Engineering, Vienna University of Technology, Austria;Institute of Computer Engineering, Vienna University of Technology, Austria
Venue:
SAFECOMP'12 Proceedings of the 2012 international conference on Computer Safety, Reliability, and Security
Year:
2012

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Abstract

This paper presents the development of a novel joint safety and security architecture for dependable embedded time-triggered systems. While fault-tolerance properties of time-triggered protocols have been very well studied, research on security aspects for time-triggered systems have hardly been covered. Therefore, we explore system design principles which efficiently realize security mechanisms for time-triggered architectures. A particular focus is on synergistic effects of security and safety-related functions, thereby supporting the roll-out of safety-critical embedded systems even in 'untrusted' environments. As a main contribution, we present the Secure COmmunication in Time-Triggered sYstems (SCOTTY) approach to build secure time-triggered systems.