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A comment on Why use old computers and operating systems?. Parent comment

Re:Why use old computers and operating systems? by seniorivn on Saturday March 20, 2021 @05:04PM (#26526058)
run a technologically secure code, with root of trust in cryptography/security model your software uses

On modern pc/server/mobile computers it's impossible, your root of trust there is manufacturer and their microcode/embedded security modules with separate operating system etc

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Re:Why use old computers and operating systems? by grawprog on Saturday March 20, 2021 @05:15PM (#26526110)
Yeah...even 'general purpose' computers are shipped with hardware level 'software' that's beyond access from users. Intel and AMD have their management engines, Microsoft's got their in with uefi. I'm not sure if there even are any modern processors available with the kind of access allowed by 8 and 16-bit CPUs...
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