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power analysis

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Power analysis based software reverse engineering assisted by fuzzing II

September 3, 2020 #embedded security #secforcars #power analysis #reverse engineering #fuzzing #attacks

In the previous post a setup and a technique to extract a representative section of a powertrace of a specific instruction of a STM32F3 processor were described. This section is called a “template”. These templates should later be used to identify instructions via a power sidechannel and reconstruct the flow of an unknown program on a controller that can not be dumped via JTAG. In this part of our poweranalysis series the extracted templates from the previous post will be analyzed to determine whether they are representative enough to reverse engineer entire programs from a powertrace.

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Power analysis based software reverse engineering assisted by fuzzing I

August 26, 2019 #embedded security #secforcars #power analysis #reverse engineering #fuzzing #attacks

This is the first part of a three part series about power analysis based software reverse engineering. It is part of our work in the SecForCARs project and the bachelor thesis ‘Poweranalyse basiertes Software Reverse Engineering mit Hilfe von Fuzzing’. The results will be summarized in this blogpost series. In this first part the goals of the research and the power analysis template extraction process are presented.

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