Message-ID: <4259B46D.9020402@domdv.de>
Date: Mon, 11 Apr 2005 01:19:09 +0200
From: Andreas Steinmetz <ast@domdv.de>
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To: Pavel Machek <pavel@ucw.cz>
CC: Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>
Subject: [PATCH encrypted swsusp 0/3] encrypted swsusp image
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The following patches allow for encryption of the on-disk swsusp image
to prevent data gathering of e.g. in-kernel keys or mlocked data after
resume.

For this purpose the aes cipher must be compiled into the kernel as
module load is not possible at resume time.

A random key is generated at suspend time, stored in the suspend header
on disk and deleted from the header at resume time. If you don't resume
a mkswap on the suspend partition will also delete the temporary key.

Only the data pages are encrypted as only these may contain sensitive data.

This works on my x86_64 laptop (64bit mode) and probably needs testing
on other platforms.
-- 
Andreas Steinmetz                       SPAMmers use robotrap@domdv.de


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