Subject: Re: Verifying a kernel.
To: Steven M. Bellovin <smb@cs.columbia.edu>
From: Tonnerre <tonnerre@thundrix.ch>
List: tech-kern
Date: 07/20/2005 21:20:49
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Salut,

On Wed, Jul 20, 2005 at 10:04:56AM -0400, Steven M. Bellovin wrote:
> For security purposes, it's more dubious.  But a lot depends on your=20
> threat model.  As I noted the last time you raised the issue of MD5,=20
> the problem we're dealing with today is a collision attack, not a=20
> preimage attack.

Just to make that clear: MD5 has some more problems than just the blindness.
I raised the issue last time because MD5 has some other issues like
a certain symmetry that had been documented earlier.

Just don't rely on it anywhere.

				Tonnerre

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