From: Milan Broz <mbroz@redhat.com>
To: octane indice <octane@alinto.com>
Cc: dm-crypt@saout.de, Eduardo Schultze <duduschultze@gmail.com>
Subject: Re: [dm-crypt] Retrieve the Passphrase from RAM Memory
Date: Tue, 27 Sep 2011 14:26:02 +0200 [thread overview]
Message-ID: <4E81C0DA.9040301@redhat.com> (raw)
In-Reply-To: <1317124413.4e81b93d2c5f8@webmail.inmano.com>
On 09/27/2011 01:53 PM, octane indice wrote:
> The passphrase, I don't think so, but the master key, yes
> for sure.
> Here is a paper in french (maybe google translate can
> help) where somebody gets the master key, then use it
> for reading data:
> http://sylv1.tuxfamily.org/2008/240/gout-de-luks.html
hm this is naive approach but just illustrate the problem
that distros ignore deactivation of dmcrypt mapping during shutdown.
if you are superuser, you can always get volume key (so far)
dmsetup table --showkeys
also see
http://code.google.com/p/cryptsetup/source/browse/trunk/misc/luks-header-from-active
(recreating LUKS header from active device & volume key)
Milan
prev parent reply other threads:[~2011-09-27 12:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-27 2:34 [dm-crypt] Retrieve the Passphrase from RAM Memory Eduardo Schultze
2011-09-27 9:07 ` ken
2011-09-27 10:17 ` Arno Wagner
2011-09-27 11:13 ` Roscoe
2011-09-27 10:47 ` Roscoe
2011-09-27 11:50 ` Milan Broz
2011-09-27 14:44 ` Karl O. Pinc
2011-09-27 16:55 ` Milan Broz
2011-09-27 11:53 ` octane indice
2011-09-27 12:26 ` Milan Broz [this message]
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