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From: Christophe Saout <christophe@saout.de>
To: Jean-Luc Cooke <jlcooke@certainkey.com>
Cc: Andrew Morton <akpm@osdl.org>,
	James Morris <jmorris@intercode.com.au>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH/proposal] dm-crypt: add digest-based iv generation mode
Date: Fri, 20 Feb 2004 20:23:43 +0100	[thread overview]
Message-ID: <1077305023.14976.6.camel@leto.cs.pocnet.net> (raw)
In-Reply-To: <20040220190926.GB9980@certainkey.com>

Am Fr, den 20.02.2004 schrieb Jean-Luc Cooke um 20:09:

> > The plan was to du <cipher>-<iv mode> where <iv mode> can be
> > ecb (well, no IV at all), plain (unhashed sector number) or a
> > digest (hmac_key sector number). CBC mode is implicit when you
> > have some kind of IV generation. Everything else doesn't make
> > sense and would be redundant. CFB and CTR are not implemented
> > by cryptoloop BTW.
> 
> jlcooke:~/kern/linux-2.6.1/crypto$ grep CTR *.c
> cipher.c:       case CRYPTO_TFM_MODE_CTR:
> grep CFB *.c
> cipher.c:       case CRYPTO_TFM_MODE_CFB:
> 
> It should be I wrote it...the crypto part anyways.

Do you think I should add support for those two (even though they're not
implemented yet)? Does this make sense?

If so, I would do: <cipher>-<cipher mode>[-<iv generator>]

aes-ecb, aes-cbc-sha1, etc...?

This would already break the userspace interface... ;)



  reply	other threads:[~2004-02-20 19:44 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
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 [this message]
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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