Re: [PATCH 3/3][RFC] tools: create power/crypto utility

From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Chen Yu <yu.c.chen@intel.com>, Ted Ts'o <tytso@mit.edu>,
	Len Brown <len.brown@intel.com>, "Lee, Chun-Yi" <jlee@suse.com>,
	Borislav Petkov <bp@alien8.de>,
	Linux PM <linux-pm@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Stephan Mueller <smueller@chronox.de>,
	Eric Biggers <ebiggers3@gmail.com>,
	Denis Kenzior <denkenz@gmail.com>
Subject: Re: [PATCH 3/3][RFC] tools: create power/crypto utility
Date: Thu, 21 Jun 2018 21:04:01 +0200	[thread overview]
Message-ID: <20180621190401.GA14623@amd> (raw)
In-Reply-To: <CAJZ5v0hDhsxwU4X6_dCqc7P5GaTtpBeMUeJTHo9YJ8QtWinYfg@mail.gmail.com>

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On Thu 2018-06-21 14:10:06, Rafael J. Wysocki wrote:
> On Thu, Jun 21, 2018 at 11:01 AM, Pavel Machek <pavel@ucw.cz> wrote:
> >
> >
> > On Wed 2018-06-20 17:40:51, Chen Yu wrote:
> >> crypto_hibernate is a user-space utility to generate
> >> 512bits AES key and pass it to the kernel via ioctl
> >> for hibernation encryption.(We can also add the key
> >> into kernel via keyctl if necessary, but currently
> >> using ioctl seems to be more straightforward as we
> >> need both the key and salt transit).
> >
> > Ah, here you go:
> >
> > https://en.wikipedia.org/wiki/Uswsusp
> 
> No, not really.
> 
> > It can already do encryption. If you see problems there, patches will
> > be gladly accepted to fix them.
> 
> By whom?

By me.

> > If you want to maintain uswsusp in kernel tree, I guess that would be
> > an option, too.
> 
> No, it isn't an option due to the dependencies on crypto libraries.

Why not?

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
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