On 10/01/2021 15:33, Johannes Totz wrote:
Hi there,
does anyone have an opinion on AMD's "Secure Memory Encryption"? This
transparently encrypts all/most RAM pages.
Looking at some tech docs, this seems fairly easy to implement.
I took a stab at it https://reviews.freebsd.org/D28635
Doesn't work, haha.
Anyone wanna take a look at let me know what I'm missing?
I don't know how physical pages move around in the VM system. Thought
I'd try to enable encryption for user-mode pages first. But that assumes
those never transition to/from kernel-mode.
I was wondering if someone has attempted that already, or knows of
reasons why not to.
Thanks,
Johannes
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