From a Proven Correct Microkernel to Trustworthy Large Systems

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Provided by: NICTA
Topic: Security
Format: PDF
The seL4 microkernel was the world's first general-purpose operating system kernel with a formal, machine-checked proof of correctness. The next big step in the challenge of building truly trustworthy systems is to provide a framework for developing secure systems on top of seL4. This paper first gives an overview of seL4's correctness proof, together with its main implications and assumptions, and then describes the authors' approach to provide formal security guarantees for large and complex systems.
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