On Oct 13, 2014, at 8:20 AM, Paul Wouters <[email protected]> wrote:

> On Mon, 13 Oct 2014, Paul Hoffman wrote:
> 
>> Ummm, aren't we forgetting what is for many the much larger cons:
>> 
>> * The nameserver has to do a Diffie-Hellman key agreement with every relying 
>> party, hugely increasing the CPU load.
>> * The private key must be online all the time.
>> * The private key must be shared by all the nameservers.
> 
>> Remember: DNSSEC is sign-once-and-serve; DNScurve is 
>> server-does-crypto-for-every-query.
> 
> Any dns privacy protocol that wants PFS + encrypted communication would need 
> to do that too?

Yes, which is why this WG charter is focused only on the stub-to-recursive 
link. The private key for a recursive resolver that talks to the .com 
authoritative server has very different value than the private key for the .com 
zone.

> ps. not an endorsement for dnscurve :)

Good to hear. :-)

--Paul Hoffman
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