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[-] perestroika@lemm.ee 0 points 4 weeks ago* (last edited 4 weeks ago)

please read up on intel management engine

I'm already familiar with it. On the systems I buy and intall, if they are Intel based, ME gets disabled since I haven't found a reasonable use for it.

Oh yeah, ARM also has something similar.

Since this is more relevant to me (numerically, most of the systems that I install are Raspberry Pi based robots), I'm happy to announce that TrustZone is not supported on Pi 4 (I haven't checked about other models). I haven't tested, however - don't trust my word.

Who would you buy from in this case?

From the Raspberry Pi Foundation, who are doubtless ordering silicon from TSMC for the Pico series and ready-made CPUs for their bigger products, and various other services from other companies. If they didn't exist, I would likely fall back on RockChip based products from China.

https://www.cryptomuseum.com/covert/bugs/nsaant/firewalk/index.htm

Wow. :) Neat trick. (Would be revealed in competent hands, though. Snap an X-ray photo and find excess electronics in the socket.)

However, a radio transceiver is an extremely poor candidate for embedding on a chip. It's good for bugging boards, not chips.

this post was submitted on 23 May 2025
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