From: Oliver Neukum <oliver@neukum.org>
To: Andreas Steinmetz <ast@domdv.de>
Cc: pavel@suse.cz, Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] zero disk pages used by swsusp on resume
Date: Sun, 10 Apr 2005 20:40:38 +0200 [thread overview]
Message-ID: <200504102040.38403.oliver@neukum.org> (raw)
In-Reply-To: <42592697.8060909@domdv.de>
Am Sonntag, 10. April 2005 15:13 schrieb Andreas Steinmetz:
> It may not be desireable to leave swsusp saved pages on disk after
> resume as they may contain sensitive data that was never intended to be
> stored on disk in an way (e.g. in-kernel dm-crypt keys, mlocked pages).
>
> The attached simple patch against 2.6.11.2 should fix this by zeroing
> the swap pages after reading them.
What is the point in doing so after they've rested on the disk for ages?
If you want secure swsusp you need to encrypt the image.
Regards
Oliver
next prev parent reply other threads:[~2005-04-10 18:39 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-10 13:13 Andreas Steinmetz
2005-04-10 18:40 ` Oliver Neukum [this message]
2005-04-10 19:29 ` Andreas Steinmetz
2005-04-10 20:03 ` Oliver Neukum
2005-04-10 20:14 ` Pavel Machek
2005-04-11 3:23 ` Elladan
2005-04-11 10:14 ` Pavel Machek
2005-04-11 7:13 ` Stefan Seyfried
2005-04-11 10:37 ` Oliver Neukum
2005-04-11 16:39 ` Rafael J. Wysocki
2005-04-11 17:02 ` Andreas Steinmetz
2005-04-11 21:27 ` Rafael J. Wysocki
2005-04-12 10:08 ` Andreas Steinmetz
2005-04-11 14:18 ` Jan Niehusmann
2005-04-10 15:03 Pavel Machek
2005-04-10 15:15 ` [PATCH] " Andreas Steinmetz
2005-04-10 18:18 ` Pavel Machek
2005-04-10 18:45 ` Oliver Neukum
2005-04-10 18:56 ` Pavel Machek
2005-04-10 19:33 ` Andreas Steinmetz
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