From: Mark Borgerding <mark@borgerding.net>
To: David Wagner <daw-usenet@taverner.cs.berkeley.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: AES cryptoloop corruption under recent -mm kernels
Date: Sat, 17 Jan 2004 11:13:01 -0500 [thread overview]
Message-ID: <40095F0D.8070300@borgerding.net> (raw)
In-Reply-To: <bua7o7$ahj$1@abraham.cs.berkeley.edu>
David Wagner wrote:
>Mark Borgerding wrote:
>
>
>>James Morris wrote:
>>
>>
>>>Eli Biham has suggested encrypting the sector numbers, see
>>>http://people.redhat.com/jmorris/crypto/cryptoloop_eli_biham.txt
>>>
>>>
>>This does not defend against a dictionary attack.
>>
>>
>
>Right. It defends against a different attack. It appears that
>there may be multiple weaknesses here...
>
>
I couldn't google the original suggestion from Eli Biham. The verbiage
of the email ( hearsay, thrice removed ) seemed to indicate the proposal
was to defend against a DA.
I'm curious. What attack would it defend against? The extra IV of zeros
might make it harder to attack a weak cipher with known plaintext
through differential cryptanalysis, iff the first IV was mostly zeros (
I'm grasping at straws here ).
That's about all I can think of. But then again; I wasn't on the Popular
Science "Brilliant 10" list.
;^) Belated Congratulations, David.
- Mark
next prev parent reply other threads:[~2004-01-17 16:14 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-14 20:36 PROBLEM: AES cryptoloop corruption under recent -mm kernels Jim Faulkner
2004-01-14 20:41 ` Jim Faulkner
2004-01-14 20:52 ` Andrew Morton
2004-01-14 23:30 ` Jim Faulkner
2004-01-15 2:44 ` Matthias Hentges
2004-01-15 16:57 ` Jari Ruusu
2004-01-15 17:24 ` Jim Faulkner
2004-01-15 20:33 ` Jari Ruusu
2004-01-15 22:59 ` Hans Reiser
2004-01-16 14:21 ` Mark Borgerding
2004-01-16 15:42 ` James Morris
2004-01-16 17:10 ` Mark Borgerding
2004-01-17 2:47 ` David Wagner
2004-01-17 16:13 ` Mark Borgerding [this message]
2004-01-17 20:39 ` Shawn Willden
[not found] ` <4007EBDA.2060308@borgerding.net>
[not found] ` <4007F79C.80A5DE72@users.sourceforge.net>
[not found] ` <400818AA.9080009@borgerding.net>
2004-01-16 21:43 ` Jari Ruusu
2004-01-15 18:16 ` James Morris
2004-02-01 17:19 ` Pasi Kärkkäinen
2004-02-01 19:40 ` markus reichelt
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