Re: [DNSOP] Whiskey Tango Foxtrot on key lengths...

Matthäus Wander <matthaeus.wander@uni-due.de> Fri, 28 March 2014 16:12 UTC

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Date: Fri, 28 Mar 2014 17:12:06 +0100
From: Matthäus Wander <matthaeus.wander@uni-due.de>
Organization: Verteilte Systeme
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To: Bill Woodcock <woody@pch.net>
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Subject: Re: [DNSOP] Whiskey Tango Foxtrot on key lengths...
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* Bill Woodcock [2014-03-27 23:54]:
> 
> On Mar 27, 2014, at 10:14 AM, Matthäus Wander
> <matthaeus.wander@uni-due.de> wrote:
>> 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
> 
> Matthäus, do you have an easy way of separating out KSK from ZSK in
> your statistics?  FWIW, we’re currently doing 2048-bit KSK and
> 1024-bit ZSK, but will shortly be transitioning to 4096-and-2048.

Yes, here you go:

KSK:
2048 bit: 668634
1024 bit:  49861
4096 bit:  22646
 512 bit:   2460
1280 bit:    812
1536 bit:    314

ZSK:
1024 bit: 1248377
2048 bit:   29598
1280 bit:   27629
 512 bit:    6433
4096 bit:    2680
1032 bit:     310

Regards,
Matt

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