Re: [TLS] Working Group Last Call for draft-ietf-tls-pwd

Trevor Perrin <trevp@trevp.net> Fri, 06 December 2013 16:42 UTC

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Date: Fri, 6 Dec 2013 08:42:24 -0800
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From: Trevor Perrin <trevp@trevp.net>
To: Dan Harkins <dharkins@lounge.org>
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Subject: Re: [TLS] Working Group Last Call for draft-ietf-tls-pwd
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On Fri, Dec 6, 2013 at 2:00 AM, Dan Harkins <dharkins@lounge.org> wrote:
>
>
> On Thu, December 5, 2013 11:24 pm, Watson Ladd wrote:
>> On Thu, Dec 5, 2013 at 10:40 AM, Dan Harkins <dharkins@lounge.org> wrote:
>>>
>>>
>>> On Thu, December 5, 2013 10:01 am, Trevor Perrin wrote:
>>>> See the discussion around SRP that occurred when you first presented
>>>> this.  Any patent FUD which *might* have existed, once, has expired:
>>>>
>>>> http://www.ietf.org/mail-archive/web/tls/current/msg08203.html
>>>> http://www.ietf.org/mail-archive/web/tls/current/msg08191.html
>>>
>>>   Yes I am aware that the original EKE patent expired. But EKE cannot be
>>> used with elliptic curves. Now I know elliptic curve support is not a
>>> compelling use case for you but, again, so what?
>>>
>>>> Additionally, developments such as Elligator and AugPAKE hold promise
>>>> for protocols that have both security proofs *and* no IPR encumbrance.
>>>
>>> https://datatracker.ietf.org/ipr/2037/
>> Just because one particular protocol is patented does not mean others
>> aren't.
>
>   Who said otherwise? Certainly not me. But you sure got that straw man.
> Good shooting!
>
>   I was just responding to a statement that purported to mention an
> unpatented protocol that not only is patented but also has a pretty nasty
> licensing agreement.

I disagree, AugPAKE's IPR declaration is reasonable.

One might wish that it covered broader uses, besides just
standards-track TLS implementations.

However, within that case, the terms are clearly "royalty-free".


Trevor