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Re: [secdir] [Cfrg] ISE seeks help with some crypto drafts

Tony Arcieri <bascule@gmail.com> Sat, 09 March 2019 18:26 UTC

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From: Tony Arcieri <bascule@gmail.com>
Date: Sat, 09 Mar 2019 10:26:17 -0800
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To: Aaron Zauner <azet@azet.org>
Cc: mcgrew <mcgrew@cisco.com>, "sec-ads@ietf.org" <sec-ads@ietf.org>, "secdir@ietf.org" <secdir@ietf.org>, "cfrg@irtf.org" <cfrg@irtf.org>, "rfc-ise@rfc-editor.org" <rfc-ise@rfc-editor.org>
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Subject: Re: [secdir] [Cfrg] ISE seeks help with some crypto drafts
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On Sat, Mar 9, 2019 at 7:25 AM Aaron Zauner <azet@azet.org> wrote:

> > The IPR statements for your draft seem to only cover the use of OCB in
> TLS, and not its use outside that context.   I am not a lawyer, but that is
> how I would understand the phrase “a royalty-free non-exclusive license to
> all claims of the referenced patents needed to realize a fully compliant
> implementation of TLS (Transport Layer Security) supporting AES-OCB (RFC
> 7253)”.   This point might not matter to the implementers of your draft,
> but it might matter a lot to other people.
>
> That’s correct. My bad, the initial text was supposed to say "general IPR
> exemption for OCB(3) in TLS for IETF”. I wrote & edited that mail right
> after getting up and must have removed that editing this message and moving
> sentences around in an attempt to make it more coherent :)


I asked Rogaway about this...

How would people feel if he extended this IPR exemption to any standards
track protocol developed by the IETF? Would that be sufficient?

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