Hi,

If you found yesterday the HW fault injection mitigation  topic interesting and it raised your attention then you can find detailed info about it here:

https://www.cl.cam.ac.uk/~rja14/Papers/whatyouc.pdf

https://www.riscure.com/uploads/2018/11/201708_Riscure_Whitepaper_Side_Channel_Patterns.pdf

The PRs to MCUBoot are here:
https://github.com/JuulLabs-OSS/mcuboot/pull/776

https://github.com/JuulLabs-OSS/mcuboot/pull/789

Tamas