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Update on Overleaf.

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nb72soza Bittner
2025-07-11 23:22:38 +00:00
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Chapters/Discussion.tex
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@@ -79,3 +79,13 @@ While the results demonstrate the effectiveness of our framework, several limita
To mitigate the certificate reuse issue observed, we recommend stricter cryptographic context isolation, including flushing session state after failed provisioning attempts. This would reduce the risk of unintended reuse of sensitive materials across sessions.
\section{Future Work}
\label{sec:future_work}
This work can be extended in several directions. First, the \gls{lpa} implementation could be extended to support SGP.31/SGP.32 and SGP.41/SGP.42 specific functionality, enabling testing of \gls{iot}-specific provisioning flows and factory provisioning procedures as soon as implementations become available. Second, to achieve full-loop fuzzing, future versions of the framework could integrate a self-hosted \gls{smdpp} server equipped with test certificates and profiles. This would allow end-to-end testing of the complete \gls{rsp} lifecycle.
Additionally, adding support for proactive commands to the fuzzing engine would enable testing of \gls{euicc} cards that expose only \gls{usat}-based interfaces, such as those from estk.me and 9esim v2. This addition would broaden the scope of the framework, allowing it to address a wider range of commercial \gls{esim} implementations and significantly increase protocol coverage.
Finally, improvements to the fuzzing engine itself, such as incorporating a Hypothesis rule based state machine, would allow direct behavioral comparisons between custom \gls{smdpp} and \gls{euicc} implementations and proprietary systems.