3 ms·
NSA hidden code?
by mannanj 5y ago
NSA hidden code?
- Epiphany21 5y agoIf I put myself in the shoes of someone truly malicious, I would request a backdoor in the chip implementation itself. Hardware is hard. Once you put it in the customer's hands they can't change much. Hidden opcodes or combinations/uses of legitimate opcodes that trigger undefined behaviors on the platform as a whole are the way to go. Firmware on the other hand can be patched or replaced. It's probably an Easter egg or an undocumented workaround for something.
- SuchAnonMuchWow 5y agonote that this boot loader is in ROM, so it can't be patched or replaced
- Epiphany21 5y agoIs it true ROM or some kind of EEPROM? A lot of the time what people call ROM is actually writable if you jump through enough hoops.
- ebenupton 5y agoIt is true ROM.