arXiv:2611.06386v1 Announce Type: new Abstract: Fault-resistant policy storage does not guarantee fault-resistant enforcement. We demonstrated this distinction on the RP2350A4 using differential photon-emission microscopy (PEM) and laser fault injection (LFI). PEM narrowed the area for laser scanning, which found two sites where pulses set the DEBUGEN bits enabling core~1 Secure debug.
Shoot on (Core)Sight: Re-enabling Secure Debug on the RP2350 with Photon-Emission Microscopy and Laser Fault Injection
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