TL;DR: Verified boot is a fundamental security technology and it is important to be able to experiment with it on easily accessible hardware. However, creating a Verified boot demo on a Raspberry Pi 3 is harder than it sounds. We set out to find resources on the internet. Unfortunately, some of these were outdated, others blatantly wrong. After our fair share of failed builds, corrupted images and kernel panics, we made it to the other side. This is our story.
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Firmware Security 