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Good news for AMD Linux users - fTPM RNG will soon be disabled
(www.phoronix.com)
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this post was submitted on 08 Aug 2023
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Well Linux is using rdrand in place of the fTPM one so .. from firmware to hardware. Then again even if you generate random numbers using pure software, is your CPU or firmware FOSS and without bugs (cough .. Debian OpenSSL maintainers, cough) or exploits (Ken Thompson says hi)? If not, and you assume you can't trust the firmware and hardware - all your random numbers are belong to us. Gotta draw the line somewhere, unless you're building your machine from diodes and solder. Personally, I live in a Five Eyes country so I'm alright using the hardware the NSA/GCHQ/CSIS/etc use. If I'm fucked, they're fucked.
Relevant meme.