Re: AMD's memory encryption (aka SME)
Johannes Totz <[email protected]>
| Newsgroups | gmane.os.freebsd.security.general,gmane.os.freebsd.devel.hackers |
|---|---|
| Message-ID | <[email protected]> |
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 > > _______________________________________________ > [email protected] mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-security > To unsubscribe, send any mail to "[email protected]" > _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-security To unsubscribe, send any mail to "[email protected]"