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Self-Compositional Framework

Concept

The **Self-Compositional Framework** is a methodology used in **coverage-guided hardware-software contract fuzzing** to make information leakage in processor designs directly observable as divergence in microarchitectural state. It was introduced in the context of pre-silicon fuzzing for open-source processors based on hardware-software leakage contracts.[^b910]

First seen 5/24/2026
Last seen 5/26/2026
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Self-Compositional Framework

The Self-Compositional Framework is a methodology used in coverage-guided hardware-software contract fuzzing to make information leakage in processor designs directly observable as divergence in microarchitectural state. It was introduced in the context of pre-silicon fuzzing for open-source processors based on hardware-software leakage contracts.[1]

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The technique leverages a self-compositional framework to make information leakage observable.