Security of multithreaded programs by compilation
ACM Transactions on Information and System Security (TISSEC)
Flexible scheduler-independent security
ESORICS'10 Proceedings of the 15th European conference on Research in computer security
The complexity of synchronous notions of information flow security
FOSSACS'10 Proceedings of the 13th international conference on Foundations of Software Science and Computational Structures
Information flow in systems with schedulers, Part I: Definitions
Theoretical Computer Science
Noninterference for operating system kernels
CPP'12 Proceedings of the Second international conference on Certified Programs and Proofs
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The focus of work on information flow security has primarily been on definitions of security in asynchronous systems models. This paper considers systems with schedulers, which require synchronous variants of these definitions. In particular, it studies the dependence of these variant definitions of security on implementation details of the scheduler. Such independence is shown to hold for synchronous variants of trace-based definitions, but not for bisimulation-based definitions. Stronger versions of the bisimulation-based definitions are proposed that recover implementation-independence.