Messages in this thread | | | Date | Tue, 26 May 2009 21:02:50 +0200 | From | Pavel Machek <> | Subject | Re: [patch 0/5] Support for sanitization flag in low-level page allocator |
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Hi!
> > I could also imagine the suspend-to-disk code skipping > > PG_sensitive pages when storing data to disk, and > > replacing it with some magic signature so programs > > that use special PG_sensitive buffers can know that > > their crypto key disappeared after a restore. > > Its irrelevant in the simple S2D case. I just patch other bits of the > suspend image to mail me the new key later. The right answer is crypted > swap combined with a hard disk password and thus a crypted and locked > suspend image. Playing the "I must not miss any page which might be
uswsusp does have internal encryption, and can use dm_crypt encrypted swap... So yes, we can do encrypted swap & s2disk today. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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