On 07/16/2013 05:51 AM, Gonzalo Camarillo wrote:
Hi Bob,

following up on this old IPR disclosure, even though the spec now
mandates a co-factor of 1, I have not seen any updated to the IPR
disclosure. Do you know anything else about this? What about the other
two patents referenced in the disclosure?

I believe that 5201-bis is technically correct and independent of the disclosed IPR.



Thanks,

Gonzalo

On 11/05/2011 11:49 PM, Robert Moskowitz wrote:
In some conversations here at IEEE 802 wireless interim, we have 'worked
out' that the first patent deals with EC co-factors greater than 1.
Although all of the curves we currently specify have a co-factor of 1,
we do not state anything about the co-factor in the standard.

We only need to explicitly limit 5201-bis (and HIP-DEX) to curves with a
co-factor of 1 and avoid the first patent.

Once we work out text on the co-factor, I guess I will send it to my old
IPsec buddy, Tony Rosati, and see if it addresses their position (I
understand other standards limit the co-factor to a value of 1).

We are still trying to figure out the others. I hope I can get help on
working through them.

On 04/28/2011 02:16 PM, Robert Moskowitz wrote:
I just received the following:

-----Original Message-----
From: IETF Secretariat [mailto:[email protected]]
Sent: Thursday, April 28, 2011 4:50 PM
To: [email protected]; [email protected];
[email protected]; [email protected]
Cc: [email protected]; [email protected];
"[email protected]"@juniper.net; [email protected];
[email protected]; [email protected]
Subject: IPR Disclosure: Certicom Corp's Statement of IPR Related
todraft-ietf-hip-rfc5201-bis-05


Dear Robert Moskowitz, Tobias Heer, Petri Jokela, Tom Henderson:

An IPR disclosure that pertains to your Internet-Draft entitled "Host
Identity
Protocol Version 2 (HIPv2)" (draft-ietf-hip-rfc5201-bis) was submitted
to the
IETF Secretariat on 2011-04-17 and has been posted on the "IETF Page of
Intellectual Property Rights Disclosures"
(https://datatracker.ietf.org/ipr/1541/). The title of the IPR
disclosure is
"Certicom Corp's Statement of IPR Related to
draft-ietf-hip-rfc5201-bis-05."");

The IETF Secretariat



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