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The past should also communicate better with the present. > ...you’d be crazy to think hardware was ever intended to be used for isolating multiple users safel
by wrs 6y ago
The past should also communicate better with the present.
> ...you’d be crazy to think hardware was ever intended to be used for isolating multiple users safely.
But of course it was. Protection rings were invented for Multics, the first operating system specifically intended to isolate multiple users safely. And side-channel timing attacks were called out as a concern at the time.
We may have lost our way somewhere, but let’s not rewrite history.
- mhh__ 6y agoIIRC some side channel attacks we would recognise as spectre were worked on in the 90s but the only really showed themselves properly in the 2010s
- swyx 6y agofwiw: she knows https://blog.jessfraz.com/post/why-open-source-firmware-is-important-for-security/ https://blog.jessfraz.com/post/why-open-source-firmware-is-i... you're thinking at a different level than she is
- wrs 6y agoShe’s not saying this, she reports that hardware engineers are saying this. Which, if generally true, is sad.