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tonymetyesterday at 6:56 PM1 replyview on HN

how far down the chain does the protection go? if you swap the flash chips can you just boot or do the other chips expect a signature upstream?


Replies

gruezyesterday at 6:58 PM

AFAIK there are signatures that are checked at the SoC level. In other words, it's not a write lock that can be bypassed by flashing the chips directly.