From: Jari Ruusu <jari.ruusu@pp.inet.fi>
To: mailerror@hushmail.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: loop under 2.2.20 - relative block support?
Date: Sat, 23 Feb 2002 21:47:56 +0200 [thread overview]
Message-ID: <3C77F1EC.27B32446@pp.inet.fi> (raw)
In-Reply-To: <200202230132.g1N1WYJ27596@mailserver2.hushmail.com>
mailerror@hushmail.com wrote:
> What exactly is the status of the loopback device in 2.2.20 with regards
> to relative block support? Is it *really* supported?
>
> The reason I am asking is that I've run into trouble retrieving data off
> of a loopback file after I switched to a new machine. I was using loopback
> in combination with the kerneli patch to mount an encrypted filesystem
> and backup my data to it for safe transport to another machine. The
> decryption seems to be largely successful, since I am able to see most of
> the data when peering at the decrypted file using a hexeditor.
Kerneli patches use block size dependant IV computation (also called "time
bomb" IV). Shit hits the fan when you move files to a device with different
block size. Search linux-crypto archives for more information.
Regards,
Jari Ruusu <jari.ruusu@pp.inet.fi>
next prev parent reply other threads:[~2002-02-23 19:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-23 1:32 loop under 2.2.20 - relative block support? mailerror
2002-02-23 19:47 ` Jari Ruusu [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-02-25 16:08 mailerror
2002-02-25 18:41 ` Jari Ruusu
2002-02-25 19:43 mailerror
2002-02-26 20:58 ` Jari Ruusu
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