I have three brief comments.
1) The main theorem assumes that we can find a vector of length
≤ \sqrt{2eπ} n^b λ_1
In general, this is not possible in polynomial time, esp. for small b.
2) NEW ENUM takes time exponential in n unless b is very small such that n^b
is eliminated by rd(L).
3) GSA does not hold in general. So, even if everything else checks out, the
argument might break down here.
We need to see the full result to say more. But in the meantime, let's not be
afraid ;)
Cheers,
Markus
Am Montag, 11. Mai 2009 16:47:36 schrieb RalfPhilipp Weinmann:
Wanna reply?
RPW
 Forwarded message 
From: Francois Grieu fgr...@gmail.com
Date: Sun, May 10, 2009 at 3:29 PM
Subject: Significance of Schnorr's Factoring Integers in Polynomial Time?
To: cryptography@metzdowd.com
At the rump session of Eurocrypt 2009,
http://eurocrypt2009rump.cr.yp.to/
Claus P. Schnorr reportedly presented slides titled Average Time Fast
SVP and CVP Algorithms: Factoring Integers in Polynomial Time
http://eurocrypt2009rump.cr.yp.to/e074d37e10ad1ad227200ea7ba36cf73.pdf
I hardly understand 1/4 of the mathematical notation used, and can't
even be sure that the thing is not a (very well done) prank.
Anyone one the list dare make a comment / risk an opinion?
Francois Grieu

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Markus Rückert
TU Darmstadt, Fachbereich Informatik
Hochschulstrasse 10, 64289 Darmstadt
Looking for a challenge?
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