Gentoo Logo
Gentoo Spaceship




Note: Due to technical difficulties, the Archives are currently not up to date. GMANE provides an alternative service for most mailing lists.
c.f. bug 424647
List Archive: gentoo-security
Navigation:
Lists: gentoo-security: < Prev By Thread Next > < Prev By Date Next >
Headers:
To: gentoo-security@g.o
From: Florian Philipp <lists@...>
Subject: Re: Encryption Ciphers
Date: Fri, 29 Feb 2008 18:09:22 +0100
On Thu, 2008-02-28 at 15:19 -0500, Mansour Moufid wrote:
> On Thu, Feb 28, 2008 at 1:29 PM, Florian Philipp
> <lists@...> 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

Thanks!

So, am I right to believe that essiv is the best choice and benbi just
some kind of special requirement for lrw or should I stick with what's
recommended (although without reasons given for xts), e.g. cbc-essiv,
lrw-benbi, xts-plain?
Attachment:
signature.asc (This is a digitally signed message part)
References:
Encryption Ciphers
-- Florian Philipp
Re: Encryption Ciphers
-- Peter Meier
Re: Encryption Ciphers
-- Florian Philipp
Re: Encryption Ciphers
-- Mansour Moufid
Navigation:
Lists: gentoo-security: < Prev By Thread Next > < Prev By Date Next >
Previous by thread:
Re: Encryption Ciphers
Next by thread:
Re: Encryption Ciphers
Previous by date:
[no subject]
Next by date:
Re: Encryption Ciphers


Updated Jun 17, 2009

Summary: Archive of the gentoo-security mailing list.

Donate to support our development efforts.

Copyright 2001-2013 Gentoo Foundation, Inc. Questions, Comments? Contact us.