From: Nicolas Bock <nicolasbock@gmail.com>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] LUKS and LVM
Date: Sat, 19 Feb 2011 12:12:04 -0700 [thread overview]
Message-ID: <4D601604.303@gmail.com> (raw)
In-Reply-To: <20110219190858.GA6981@tansi.org>
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On 02/19/11 12:08, Arno Wagner wrote:
>> Why use random data to overwrite? Shouldn't /dev/zero be enough since
>> the crypto should produce good randomness on disk?
>
> It is only marginally slower this way and there may be issues
> with initialisation vectors in disk encryption. There are
> no that I know of with the current cryptsetup defaults. This
> is just a very cheap additional layer of protection.
Ah, thanks...
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prev parent reply other threads:[~2011-02-19 19:12 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-18 16:39 [dm-crypt] LUKS and LVM Eric Bauman
2011-02-18 17:33 ` Arno Wagner
2011-02-18 17:53 ` Eric Bauman
2011-02-18 19:57 ` Milan Broz
2011-02-18 20:07 ` Arno Wagner
2011-02-19 14:01 ` Eric Bauman
2011-02-19 14:52 ` Arno Wagner
2011-02-19 16:46 ` Nicolas Bock
2011-02-19 17:10 ` Milan Broz
2011-02-19 18:17 ` Jonas Meurer
2011-02-19 19:11 ` Nicolas Bock
2011-02-19 19:10 ` Arno Wagner
2011-02-19 19:08 ` Arno Wagner
2011-02-19 19:12 ` Nicolas Bock [this message]
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