Abstract
In a Proof-Carrying Code scenario, certificate generation remains a challenging problem. Typically, it is implemented as a compiler module that targets low-level executable code. Hence, since automatic, the properties under verification are limited to very simple safety policies. Discharging verification conditions automatically for arbitrarily complex properties is unfeasible. Therefore, it requires the support of tool-based interactive verification, which commonly targets high-level structured code. To connect source code verification and compiled code certification we have proposed a technique to build, from a certificate of the source program, a certificate for the result of its compilation. In this tutorial, we illustrate the principles of this technique, certificate translation, in the context of a certified quicksort algorithm. For each transformation step that defines the compiler, we explain the corresponding transformation of the certificate.
Partially funded by the EU project MOBIUS IST-15905.
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Barthe, G., Kunz, C. (2009). An Introduction to Certificate Translation. In: Aldini, A., Barthe, G., Gorrieri, R. (eds) Foundations of Security Analysis and Design V. FOSAD FOSAD FOSAD 2009 2007 2008. Lecture Notes in Computer Science, vol 5705. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03829-7_2
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