On Mar 27, 2014, at 6:56 AM, Nicholas Weaver <nwea...@icsi.berkeley.edu> wrote:

> and 1024B is estimated at only "a thousand times harder".

Does that estimate include a prediction that the method to factor RSA will 
improve significantly as it has in the past? The authors were unclear on that 
in their estimate.

> Do you really want someone like me to try to get an EC2 academic grant for 
> the cluster and a big slashdot/boingboing crowd for the sieving to factor the 
> root ZSK?

Yes. If doing it for the DNS root key is too politically challenging, maybe do 
it for one of the 1024-bit trust anchors in the browser root pile. Failing 
that, just do it for any 1024-bit key. Successes in the past for the RSA 
challenge have gotten movement to happen.

--Paul Hoffman
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