linux-kernel - Re: [patch 08/32] cryptoloop: Select CRYPTO

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Date:	Sat, 09 Dec 2006 07:32:02 +0100
From:	Rene Herman <rene.herman@...il.com>
To:	Chris Wright <chrisw@...s-sol.org>
CC:	linux-kernel@...r.kernel.org, stable@...nel.org,
	Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	Theodore Ts'o <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Michael Krufky <mkrufky@...uxtv.org>, torvalds@...l.org,
	akpm@...l.org, alan@...rguk.ukuu.org.uk,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: [patch 08/32] cryptoloop: Select CRYPTO_CBC

Chris Wright wrote:

> -stable review patch.  If anyone has any objections, please let us know.
> ------------------
> 
> From: Herbert Xu <herbert@...dor.apana.org.au>
> 
> As CBC is the default chaining method for cryptoloop, we should select
> it from cryptoloop to ease the transition.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
> Signed-off-by: Chris Wright <chrisw@...s-sol.org>
> ---
>  drivers/block/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- linux-2.6.19.orig/drivers/block/Kconfig
> +++ linux-2.6.19/drivers/block/Kconfig
> @@ -305,6 +305,7 @@ config BLK_DEV_LOOP
>  config BLK_DEV_CRYPTOLOOP
>  	tristate "Cryptoloop Support"
>  	select CRYPTO
> +	select CRYPTO_CBC
>  	depends on BLK_DEV_LOOP
>  	---help---
>  	  Say Y here if you want to be able to use the ciphers that are 
> 

dm-crypt needs CBC in the same manner -- normal (via howto) use of 
cryptsetup doesn't work otherwise, same as with cryptoloop.

Rene.

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