Re: Re: Case ID 51560370 - Notice of Claimed Infringement

[Valdis.Kletnieks () vt edu]

On Thu, 07 Apr 2005 14:52:55 PDT, Mike Owen said:

> As reported over the last few months, MD5 is very broken. MD5
> collisions are very easy to generate, with some reports of as little
> as a few hours needed on reasonable hardware to generate a collision.

There's now a known attack for generating 2 strings that happen to hash
to the same MD5 hash value fairly easily.

The more general problem of generating a second string that hashes to
an already known/fixed MD5 hash is still basically infeasible (unless you're
a very well funded spook agency *and* know something the rest of us don't)...

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