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* Nicholas Weaver [2014-03-27 14:56]:
> So why are both root and com and org and, well, just about
> everyone else using 1024b keys for the actual signing?

Here's a small statistic about RSA key lengths of 741,552 signed
second-level domains (collected on 2014-01-27, counting KSK and ZSKs):

> 1024 bit: 1298238 2048 bit:  698232 1280 bit:   28441 4096 bit: 
> 25326 512 bit:    8893 1536 bit:     385

Plus ~700 odd-sized RSA keys and ~250 DSA/GOST/ECDSA keys.

A domain owner of one of the 512-bit keys told me, it was the default
config in the signing tool he had used.

Regards,
Matt

- -- 
Universität Duisburg-Essen
Verteilte Systeme
Bismarckstr. 90 / BC 316
47057 Duisburg
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