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Re: Re-encrypting using multi-key (was Re: Upgrading to a 2.6Kernel on a Loop-AES Machine)

To: Grant Stephenson <grant@xxxxxxxxxxxxx>
Subject: Re: Re-encrypting using multi-key (was Re: Upgrading to a 2.6Kernel on a Loop-AES Machine)
From: Jari Ruusu <jariruusu@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 23 Jul 2004 14:41:44 +0300
Cc: "Eloy A. Paris" <peloy@xxxxxxxxxx>, linux-crypto@xxxxxxxxxxxx
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Grant Stephenson wrote:
> By the way you changed the subject, are you saying I have to re-encrypt
> the file system? It was already encrypted with a 2.4.22 kernel.

Markku-Juhani O. Saarinen's watermark attack broke single-key mode.

If a file system was encrypted in single-key mode, then it should be
re-encrypted in multi-key mode to have better resistance against watermark
attack.

-- 
Jari Ruusu  1024R/3A220F51 5B 4B F9 BB D3 3F 52 E9  DB 1D EB E3 24 0E A9 DD

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Archive:       http://mail.nl.linux.org/linux-crypto/

Follow-Ups:
- Re: Re-encrypting using multi-key (was Re: Upgrading to a 2.6Kernel on a Loop-AES Machine)
  - From: Grant Stephenson

References:
- Re-encrypting using multi-key (was Re: Upgrading to a 2.6 Kernel on a Loop-AES Machine)
  - From: Eloy A. Paris
- Re: Re-encrypting using multi-key (was Re: Upgrading to a 2.6 Kernel on a Loop-AES Machine)
  - From: Jari Ruusu
- Re: Re-encrypting using multi-key (was Re: Upgrading to a 2.6 Kernel on a Loop-AES Machine)
  - From: Grant Stephenson

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