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List:       gentoo-user
Subject:    Re: [gentoo-user] Crypto trouble...
From:       Tom Wesley <tawesley () yahoo ! com>
Date:       2003-12-20 10:57:03
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On Sat, 2003-12-20 at 10:11, Elton Algera wrote:
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> 
> 
> Hi,
> 
> I have my homedir encrypted, with a cryptoloop device. It works great for 
> almost a year now.
> I would like to test the 2.6 kernels without giving up the possibility to 
> boot 2.4.
> 
> It seems however that the encryption algorithms in 2.4 and 2.6 are not 
> compatible. When I try to mount an encrypted device in 2.6 that is made in 
> 2.4, it doens't want to mount, it's giving the error 
> 
> mount: you must specify the filesystem type
> 
> indicating that decyption doesn't work as expected.
> 
> The other way around the same thing happens.
> 
> Moreover, on 2.4 util-linux-2.11 is required, and in 2.6 util-linux-2.12 
> is necessary to get the mount and losetup commands working without 
> messages that modules should be loaded into the kernel or that the cipher 
> doesn't exist.
> 
> Now the question is, has anyone managed to get a dual-bootable(2.4/2.6) 
> setup working with encryption?
> 
> Please send me some input on this...
> 
> Thanks,
> 
> Elton
> 
>   

After a quick search on the forums I've found a link that might be
useful for you, although it will require you to do some manual patching
of the kernel...

http://forums.gentoo.org/viewtopic.php?t=108162

-- 
Tom Wesley

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