From: Luca Berra <bluca@comedia.it>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] passfrase or dev_random for keyfile of a dmcrypt_swap
Date: Tue, 20 Apr 2010 07:41:27 +0200 [thread overview]
Message-ID: <20100420054127.GA1371@maude.comedia.it> (raw)
In-Reply-To: <20100419163745.C906144B6C@ws5-1.us4.outblaze.com>
On Mon, Apr 19, 2010 at 05:37:45PM +0100, Si St wrote:
>What should be recommended:
>
>To apply either /dev/random or a passfrase for the establishment of a keyfile to a swap partition?
>I am thinking about a potential crash and the consequences if the swap partition has to be used for rebuild of something. Then a /dev/random or if necessary /dev/urandom would not be so good.
Unless you use swap for suspending to disk you can recreate it at boot
using /dev/random, I do not particularly like the doing that tough.
Since devices and partition have a tendency to change name under linux,
it is fairly possible that you shoot yourself in the feet for no
particular advantage.
L.
--
Luca Berra -- bluca@comedia.it
Communication Media & Services S.r.l.
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next prev parent reply other threads:[~2010-04-20 5:41 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-19 16:37 [dm-crypt] passfrase or dev_random for keyfile of a dmcrypt_swap Si St
2010-04-19 16:54 ` Arno Wagner
2010-04-19 19:01 ` Heinz Diehl
2010-04-20 5:41 ` Luca Berra [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-04-20 14:15 Si St
2010-04-20 15:15 ` Arno Wagner
2010-04-21 8:34 ` Heinz Diehl
2010-04-21 9:06 ` Jonas Meurer
2010-04-20 18:06 Si St
2010-04-20 19:14 ` Arno Wagner
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