Re: A basic question about hashing

From: Joe Peschel (
Date: 09/08/04

Date: Wed, 08 Sep 2004 08:09:01 -0000

Bryan Olson <> wrote in

> Mok-Kong Shen wrote:
> > Certainly, what I said in the original post is only a rough
> > concept, hence not being concrete. However, I think that
> > appropriate polynomials of degrees over 3 may be quite tough
> > to invert for arguments of, say, 128 bits. Now, if one has,
> > say, 4 blocks from such a function and apply even a very
> > simple combination of them, namely a sum mod 2^128, I don't
> > yet see how the attacker is going to proceed.
> In order to assess the significance of your "I don't yet see",
> we would need to know hard you have looked. Can you describe
> what study you did before announcing this?

Study? I do not yet capture the...


When will Bush be tried for war crimes?
"Our enemies are innovative and resourceful, and so are we.  They 
never stop thinking about new ways to harm our country and our 
people, and neither do we." --G. W. B.
Joe Peschel 
D.O.E. SysWorks