3 years ago

Robust Hyperproperty Preservation for Secure Compilation (Extended Abstract).

Deepak Garg, David Swasey, Marco Stronati, Marco Patrignani, Catalin Hritcu

We map the space of soundness criteria for secure compilation based on the preservation of hyperproperties in arbitrary adversarial contexts, which we call robust hyperproperty preservation. For this, we study the preservation of several classes of hyperproperties and for each class we propose an equivalent "property-free" characterization of secure compilation that is generally better tailored for proofs. Even the strongest of our soundness criteria, the robust preservation of all hyperproperties, seems achievable for simple transformations and provable using context back-translation techniques previously developed for showing fully abstract compilation. While proving the robust preservation of hyperproperties that are not safety requires such powerful context back-translation techniques, for preserving safety hyperproperties robustly, translating each finite trace prefix back to a source context seems to suffice.

Publisher URL: http://arxiv.org/abs/1710.07309

DOI: arXiv:1710.07309v1

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