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SubjectRe: [PATCH 3/3][RFC] tools: create power/crypto utility
On Tue 2018-06-26 12:30:24, Oliver Neukum wrote:
> On Di, 2018-06-26 at 00:16 +0200, Pavel Machek wrote:
> > Interested parties can easily fix up the userland parts of uswsusp,
> >
> > change crypto, add or remove dependencies, move it to other hosting,
> >
> > or drop it and start again. Kernel interface is flexible enough. If
> >
> > Chen wants to move the s2disk encryption into kernel, it is his task
> >
> > to explain why that is neccessary.
>
> We would have to assume that the kernel is on a higher level of trust.
> To a certain extent it is.You cannot drop support for /dev/kmem conceptionally
> if there is an ioctl to snapshot it.

If I understood the description, proposed patches give userspace encryption
key + image encrypted with that key. So... that's not really an
improvement.

Anyway, I guess it makes sense to wait for v2 of patches with better
description of security goals of this.

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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