Re: md5 collision generator

From: Wim Bertels <wim(dot)bertels(at)khleuven(dot)be>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: md5 collision generator
Date: 2005-11-16 17:31:02
Message-ID: 1132162262.9204.3.camel@localhost.localdomain
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On Wed, 2005-11-16 at 10:29 -0500, Tom Lane wrote:
> Wim Bertels <wim(dot)bertels(at)khleuven(dot)be> writes:
> > the sourcecode of a md5 collision generator has been released,
> > it takes about 45 minutes to generate.
> > ..so to an "eve" with this knowledge md5 is almost the same as plain text..
>
> Really?
>
> The fact that you can construct pairs of strings with matching md5
> hashes does not mean that you can find a string with the same md5 hash
> as a given string.
>
> The existence of this algorithm is disturbing, since it implies that MD5
> is weaker than people thought, but it IS NOT a useful password cracker,
> and there's no reason for immediate panic.

agreed, the given "picture" was too simple

>
> regards, tom lane

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