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Even if you manage to understand the microcode, there could be custom behavior in the hardware logic, right? So I would guess studying the microcode does not l
by jfkebwjsbx 7y ago
Even if you manage to understand the microcode, there could be custom behavior in the hardware logic, right?
So I would guess studying the microcode does not lead to proving there is nothing else going on.
I am no EE, though.
- cat_easdon 7y agoYeah, that's right - you could prove the absence of malicious microcode, but not the absence of hardware trojans, implants, etc. There are also the embedded microcontrollers to deal with (e.g. the Management Engine, Innovation Engine, and Power Management Controller on Intel).