From: Andrew Morton <akpm@osdl.org>
To: Christophe Saout <christophe@saout.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH/proposal] dm-crypt: add digest-based iv generation mode
Date: Thu, 19 Feb 2004 11:18:35 -0800 [thread overview]
Message-ID: <20040219111835.192d2741.akpm@osdl.org> (raw)
In-Reply-To: <20040219170228.GA10483@leto.cs.pocnet.net>
Christophe Saout <christophe@saout.de> wrote:
>
> Hello,
>
> since some people keep complaining that the IV generation mechanisms
> supplied in cryptoloop (and now dm-crypt) are insecure, which they
> somewhat are, I just hacked a small digest based IV generation mechanism.
>
> It simply hashes the sector number and the key and uses it as IV.
>
> You can specify the encryption mode as "cipher-digest" like aes-md5 or
> serpent-sha1 or some other combination.
hmm.
> Consider this as a proposal, I'm not a crypto expert.
Me either. But I believe that there are crypto-savvy people reading this
list. Help would be appreciated.
next prev parent reply other threads:[~2004-02-19 19:21 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-19 17:02 Christophe Saout
2004-02-19 19:18 ` Andrew Morton [this message]
2004-02-20 17:14 ` Jean-Luc Cooke
2004-02-20 18:53 ` Christophe Saout
2004-02-20 19:09 ` Jean-Luc Cooke
2004-02-20 19:23 ` Christophe Saout
2004-02-20 21:23 ` James Morris
2004-02-20 22:40 ` Christophe Saout
2004-02-21 0:07 ` James Morris
2004-02-21 2:17 ` Christophe Saout
2004-02-24 19:11 ` Matt Mackall
2004-02-24 19:43 ` Christophe Saout
2004-02-24 20:38 ` Matt Mackall
2004-02-25 21:43 ` Matt Mackall
2004-02-26 19:35 ` Christophe Saout
2004-02-26 20:02 ` Matt Mackall
2004-02-27 16:05 ` Christophe Saout
2004-02-27 18:37 ` Christophe Saout
2004-02-27 20:02 ` Matt Mackall
2004-02-27 20:13 ` Christophe Saout
2004-02-27 20:55 ` Matt Mackall
2004-02-27 21:16 ` Christophe Saout
2004-02-28 0:39 ` Matt Mackall
2004-02-28 13:02 ` Christophe Saout
2004-02-24 22:26 ` James Morris
2004-02-24 22:31 ` Christophe Saout
2004-02-24 22:45 ` James Morris
2004-02-24 20:01 ` James Morris
2004-02-24 20:24 ` Matt Mackall
2004-02-25 2:25 ` Christophe Saout
2004-02-25 3:05 ` Jean-Luc Cooke
2004-02-23 0:35 ` Fruhwirth Clemens
2004-02-23 13:44 ` Jean-Luc Cooke
2004-02-23 15:36 ` James Morris
[not found] <20040223214738.GD24799@certainkey.com>
[not found] ` <Xine.LNX.4.44.0402231710390.21142-100000@thoron.boston.redhat.com>
2004-02-24 20:22 ` Jean-Luc Cooke
2004-02-24 22:17 ` James Morris
2004-02-24 22:44 ` Jean-Luc Cooke
2004-02-25 13:52 ` James Morris
2004-02-25 15:11 ` Jean-Luc Cooke
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