Re: [TLS] Working Group Last Call for draft-ietf-tls-pwd
SeongHan Shin <seonghan.shin@aist.go.jp> Fri, 06 December 2013 02:03 UTC
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Date: Fri, 06 Dec 2013 11:03:15 +0900
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From: SeongHan Shin <seonghan.shin@aist.go.jp>
To: Dan Harkins <dharkins@lounge.org>, "tls@ietf.org" <tls@ietf.org>
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Subject: Re: [TLS] Working Group Last Call for draft-ietf-tls-pwd
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Dear all, It is clear from this IPR Disclosures: "[I]f this document...is adopted as an IETF standards track RFC, AIST is prepared to grant a non-exclusive royalty-free license for any conforming implementations of the adopted version (as an IETF standards track RFC) of this document." The below means that AugPAKE can be used royalty-free, but other schemes in the patent can not. "Needless to say, this does not mean that all the claims and the contents in the patent application PCT/JP2009/062578 are covered with the non-exclusive royalty-free license." Best regards, Shin On Fri, Dec 6, 2013 at 10:50 AM, Dan Harkins <dharkins@lounge.org> wrote: > > > On Thu, December 5, 2013 5:22 pm, SeongHan Shin wrote: > > Dear all, > > > >>> 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/< > https://datatracker.ietf.org/ipr/2037/> > > > > As in the above IPR Disclosures, AugPAKE can be used royal-free for any > > conforming implementations. > > The patent of AugPAKE was granted in Feb. and April of 2013 from Japan > and > > U.S. respectively. > > No, it doesn't say "any conforming implementation" period. It says: > > "[I]f this document...is adopted as an IETF standards > track RFC, AIST is prepared to grant a non-exclusive > royalty-free license for any conforming implementations > of the adopted version (as an IETF standards track RFC) > of this document." > > So it has to be a standards track RFC. But even that's not really > true because it goes on to say: > > "Needless to say, this does not mean that all the claims > and the contents in the patent application > PCT/JP2009/062578 are covered with the non-exclusive > royalty-free license." > > So even if it was a standards track document, AIST reserves > the right to still go after people to whom it granted this > "royalty-free" license. Anyone who took such a license should > get, or get better, legal counsel. > > Dan. > > > -- ------------------------------------------------------------------ SeongHan Shin Research Institute for Secure Systems (RISEC), National Institute of Advanced Industrial Science and Technology (AIST), Central 2, 1-1-1, Umezono, Tsukuba City, Ibaraki 305-8568 Japan Tel : +81-29-861-2670/5284 Fax : +81-29-861-5285 E-mail : seonghan.shin@aist.go.jp ------------------------------------------------------------------
- Re: [TLS] Working Group Last Call for draft-ietf-… Douglas Stebila
- [TLS] Working Group Last Call for draft-ietf-tls-… Joseph Salowey (jsalowey)
- Re: [TLS] Working Group Last Call for draft-ietf-… Blumenthal, Uri - 0558 - MITLL
- Re: [TLS] Working Group Last Call for draft-ietf-… SeongHan Shin
- Re: [TLS] Working Group Last Call for draft-ietf-… Love Hörnquist Åstrand
- Re: [TLS] Working Group Last Call for draft-ietf-… Love Hörnquist Åstrand
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Love Hörnquist Åstrand
- Re: [TLS] Working Group Last Call for draft-ietf-… SeongHan Shin
- Re: [TLS] Working Group Last Call for draft-ietf-… Ralf Skyper Kaiser
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Ralf Skyper Kaiser
- Re: [TLS] Working Group Last Call for draft-ietf-… oscar.koeroo
- Re: [TLS] Working Group Last Call for draft-ietf-… Bodo Moeller
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Bodo Moeller
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Bodo Moeller
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Peter Sylvester
- Re: [TLS] Working Group Last Call for draft-ietf-… Bodo Moeller
- Re: [TLS] Working Group Last Call for draft-ietf-… Bodo Moeller
- Re: [TLS] Working Group Last Call for draft-ietf-… Rene Struik
- Re: [TLS] Working Group Last Call for draft-ietf-… Watson Ladd
- Re: [TLS] Working Group Last Call for draft-ietf-… Robert Ransom
- Re: [TLS] Working Group Last Call for draft-ietf-… Robert Ransom
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… CodesInChaos
- Re: [TLS] Working Group Last Call for draft-ietf-… Rene Struik
- Re: [TLS] Working Group Last Call for draft-ietf-… Watson Ladd
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Watson Ladd
- Re: [TLS] Working Group Last Call for draft-ietf-… Mohamad Badra
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Trevor Perrin
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Trevor Perrin
- Re: [TLS] Working Group Last Call for draft-ietf-… Trevor Perrin
- Re: [TLS] Working Group Last Call for draft-ietf-… Bodo Moeller
- Re: [TLS] Working Group Last Call for draft-ietf-… Bodo Moeller
- Re: [TLS] Working Group Last Call for draft-ietf-… Mohamad Badra
- Re: [TLS] Working Group Last Call for draft-ietf-… Eric Rescorla
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Watson Ladd
- Re: [TLS] Working Group Last Call for draft-ietf-… Trevor Perrin
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Trevor Perrin
- Re: [TLS] Working Group Last Call for draft-ietf-… Bodo Moeller
- Re: [TLS] Working Group Last Call for draft-ietf-… Robert Ransom
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Mohamad Badra
- Re: [TLS] Working Group Last Call for draft-ietf-… Trevor Perrin
- Re: [TLS] Working Group Last Call for draft-ietf-… Trevor Perrin
- Re: [TLS] Working Group Last Call for draft-ietf-… SeongHan Shin
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… SeongHan Shin
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… SeongHan Shin
- Re: [TLS] Working Group Last Call for draft-ietf-… Watson Ladd
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… CodesInChaos
- Re: [TLS] Working Group Last Call for draft-ietf-… Trevor Perrin
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Joseph Birr-Pixton
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Ralf Skyper Kaiser
- Re: [TLS] Working Group Last Call for draft-ietf-… Manuel Pégourié-Gonnard
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Trevor Perrin
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins
- Re: [TLS] Working Group Last Call for draft-ietf-… Ralf Skyper Kaiser
- Re: [TLS] Working Group Last Call for draft-ietf-… Dan Harkins