With a way to modify the encrypted state buffer, one can thus dump keys from "write-only" keyslots, etc.
With a way to modify the encrypted state buffer, one can thus dump keys from "write-only" keyslots, etc.
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This also bypasses the SBK protection of the bootROM: indeed, at warmboot, bootROM will always clear keyslot 0xE to prevent malicious code from saving the SBK. Moving the SBK to another keyslot in the saved context renders this protection moot.