Report of collision-generation with MD5

Tig tigger at onemoremonkey.com
Thu Aug 19 07:49:06 PDT 2004


On Wed, 18 Aug 2004 14:29:57 -0400
"Peter C. Lai" <sirmoo at cowbert.net> wrote:

> On Wed, Aug 18, 2004 at 09:08:12PM +0300, Claudiu wrote:
> > hello,
> > 
> > please explain what do you mean by "reverse the hash". Is this the 
> > recreation of the originial message from its hash ?
> 
> The short answer is yes. The slightly longer answer is that such is
> only one specific case. The general case is that the digest should not
> reveal any information about the original message.
> 


If this is the case, then it would be very cool!

Imagine sending 32 bytes, then 'reverse the hash' to get XX MB's worth
of data :]

That would be great compression!

-Tig


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