[p2p-hackers] colliding md5 hashes of human-meaningful documents

[David Barrett]

I think you did a great job presenting it in a non-technical, real-world 
scenario.  Good work!  Are you going to clean up and release your 
document-tweaking tools?  Alternatively a web-based service where the 
user can upload two documents and have them tweaked to matching 
signatures and mailed back might be better (and safer, as you can also 
insert clear warnings, as well as hold onto the source).

-david

On Fri, 10 Jun 2005 7:25 am, zooko at zooko.com wrote:
>
> There is nothing theoretically surprising about this, but hopefully its
> concreteness and the accompanying scenario will make an impression on 
> people
> on people.  The same technique should work to generate two documents 
> with
> identical SHA1 hashes.
>
> http://www.cits.rub.de/MD5Collisions/
>
> Regards,
>
> Zooko
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