From: Cristian KLEIN <cristiklein@gmail.com>
To: Roscoe <eocsor@gmail.com>
Cc: dm-crypt@saout.de
Subject: Re: [dm-crypt] yet another "lost my partition" message
Date: Fri, 15 Apr 2011 16:21:29 +0200 [thread overview]
Message-ID: <4DA85469.3080503@gmail.com> (raw)
In-Reply-To: <BANLkTinno4SB8H_TS7qPeSfQDEhehSGA_Q@mail.gmail.com>
On 15/04/2011 16:15, Roscoe wrote:
> On Fri, Apr 15, 2011 at 11:52 PM, Cristian KLEIN <cristiklein@gmail.com> wrote:
> ...
>> A posteriori, I cannot help wonder why such pretious information isn't
>> kept redundantly. Surely LUKS could have stored the header in 10 random
>> sectors with an easy-to-grep "HERE I AM" banner. Wouldn't this allow
>> users to recover the master-key (and part of the file-system) without
>> compromising security?
> ...
>
> It's supposed to be fragile and easily destroyed, this is by design.
I think users expect it to be *secure*, i.e., if a laptop gets stolen in
an airport, the user has no worries. I'm not sure users appreciate
"fragile". Personally, this is not what I expect from full-disk encryption.
> Accidently running cryptsetup luksFormat is unfortunate, as is running
> mkfs or dd on the wrong device. Good thing for backups.
Still, mkfs and dd give you a second chance (see testdisk and friends).
Why not luksFormat?
Cristi.
next prev parent reply other threads:[~2011-04-15 14:21 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-12 20:13 [dm-crypt] yet another "lost my partition" message Hugo Melo
2011-04-13 1:10 ` Arno Wagner
2011-04-13 18:06 ` Hugo Melo
2011-04-15 13:52 ` Cristian KLEIN
2011-04-15 14:15 ` Roscoe
2011-04-15 14:21 ` Cristian KLEIN [this message]
2011-04-15 16:27 ` Arno Wagner
2011-04-15 16:18 ` Arno Wagner
2011-04-15 16:13 ` Arno Wagner
2011-04-15 19:37 ` Jonas Meurer
2011-04-15 21:58 ` Arno Wagner
2011-04-16 16:37 ` Cristian KLEIN
2011-04-16 17:13 ` Rick Moritz
2011-04-15 16:58 ` [dm-crypt] Bug Report to Ubuntu regarding dangerous installer Arno Wagner
2011-04-15 19:38 ` Claudio Moretti
2011-04-15 22:01 ` Arno Wagner
2011-04-16 11:06 ` Claudio Moretti
2011-04-16 16:18 ` Cristian KLEIN
2011-04-17 0:14 ` PsiStormYamato
2011-04-17 0:20 ` M Thomas Frederiksen
2011-04-17 1:53 ` Arno Wagner
2011-04-15 20:54 ` PsiStormYamato
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