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Date: Thu, 28 Feb 2008 15:19:30 -0500
From: "Mansour Moufid" <mansourmoufid@gmail.com>
To: gentoo-security@lists.gentoo.org
Subject: Re: [gentoo-security] Encryption Ciphers
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On Thu, Feb 28, 2008 at 1:29 PM, Florian Philipp
<lists@f_philipp.fastmail.net> wrote:
> One last question for everyone who has read this rather long mail (thank
> you, btw): What exactly is benbi in aes-lrw-benbi:sha256 and what should
> I choose for XTS? The kernel description states plain but essiv and
> benbi work as well.
>
benbi is an IV generation algorithm. If you look at the dm-crypt
sources [1], benbi stands for "big-endian 'narrow block'-count" (not
sure where they got the `i' from...). There's also one called bewbi,
which I thought was entertaining.
Sincerely,
Mansour Moufid
[1] http://www.cs.fsu.edu/~baker/devices/lxr/http/source/linux/drivers/md/dm-crypt.c#L110
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