Re: https at ietf.org
Michael Richardson <mcr+ietf@sandelman.ca> Tue, 26 November 2013 01:25 UTC
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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Ted Lemon <ted.lemon@nominum.com>
Subject: Re: https at ietf.org
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References: <20131125180608.55454.qmail@joyce.lan> <E5836934-317D-4E73-80CC-B8847047852A@virtualized.org> <alpine.BSF.2.00.1311251833400.57383@joyce.lan> <DCC0C5E5-A69E-4FBD-B666-BD6E58F0979D@nominum.com>
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Date: Mon, 25 Nov 2013 20:24:57 -0500
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Ted Lemon <ted.lemon@nominum.com> wrote: > (1) I'm not trying to impugn the good work that was done in securing > the root key. It was good work, and I think it was very cool. I am > just asking if, despite that good work, an NSL could get around it. > It's a fair question. The answer may be "no," or "not without it > becoming public," or "with great difficulty." I doubt it's "easily." > But it's worth asking. When you did the root signing, we were > certainly thinking about this threat model, but it was a bit more > academic then than it is now. I think we still had some illusions that > the U.S. government at least would choose a more constrained attack > than taking the key to everything; we now know that the government > feels no such burden of restraint—they apparently feel that they can be > trusted with that key, and we should be willing to provide it. Based upon my reading of: http://www.root-dnssec.org/tcr/selection-2010/ and my understanding from careful reading of the site that any three Crypto Officers are enough to reconstruct the key, it seems that a US NSL would not suffice. There are not three US people in any category, but I did not read how the key was split. If two Crypto Officers and a backup crypto officer cound as three, then I'm wrong: a US NSL takes it. I was also assuming that CO's for east coast do not also have west coast keys, but I may be wrong here. I don't know if the EU has an NSL process, but it seems that the EU could also recover the keys if it wanted to. -- Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
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