Discover LICMA's analysis of crypto usage in MicroPython, highlighting custom AES implementations and insights into embedded code practices.
Authors: Anna-Katharina Wickert, Technische Universität Darmstadt, Darmstadt, Germany ; Lars Baumgärtner, Technische Universität Darmstadt, Darmstadt, Germany ; Florian Breitfelder, Technische Universität Darmstadt, Darmstadt, Germany ; Mira Mezini, Technische Universität Darmstadt, Darmstadt, Germany . Table of Links Abstract and 1 Introduction 2 Background 3 Design and Implementation of Licma and 3.1 Design 3.2 Implementation 4 Methodology and 4.
Our small analysis of MicroPython projects shows that for further exploration of MicroPython applications, we need to consider custom implementations of AES in Python and C. This seems to be a common pattern for embedded code where performance is important and low-level code is often shipped as custom C blobs. Thus, we can observe the importance of hybrid analysis approaches . This paper is available on arxiv under CC BY 4.0 DEED license. This paper is available on arxiv under CC BY 4.
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