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Re: [IPsec] New Version Notification for draft-tjhai-ipsecme-hybrid-qske-ikev2-03.txt

"Valery Smyslov" <smyslov.ietf@gmail.com> Thu, 24 January 2019 06:44 UTC

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From: Valery Smyslov <smyslov.ietf@gmail.com>
To: 'Tobias Heider' <Tobias_Heider@genua.de>
Cc: ipsec@ietf.org
References: <154748799416.9552.17299073748247797491.idtracker@ietfa.amsl.com> <000101d4ad6b$4a790ca0$df6b25e0$@gmail.com> <20190123160531.GB27561@genua.de>
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Date: Thu, 24 Jan 2019 09:44:19 +0300
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Archived-At: <https://mailarchive.ietf.org/arch/msg/ipsec/07m372TWRQ8h2nSIJacLOTwgtCU>
Subject: Re: [IPsec] New Version Notification for draft-tjhai-ipsecme-hybrid-qske-ikev2-03.txt
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Hi Tobias,

thank you for catching this up. It's a leftover from previous version that 
somehow escaped our attention. We'll fix it in the next version of the draft.

Thank you for careful reading,
Valery (for the authors).

> Hi Valery,
> 
> i think i just found a minor flaw reading through the new version.
> The current draft (draft-tjhai-ipsecme-hybrid-qske-ikev2-03) says in
> section 3.1:
> 
> > In order to achieve this, the
> > IKE_SA_INIT exchange now includes notify payloads that negotiate the
> > extra key exchanges to be used.  The initiator IKE_SA_INIT message
> > includes a notify that lists the extra key exchange policy required
> > by the initiator; the responder selects one of the listed policies,
> > and includes that as a notify in the response IKE_SA_INIT message.
> 
> I believe this is obsolete and was overlooked in the last change since the
> negotiation of additional KEs is now done in the SA payload.
> 
> Regards,
> Tobias

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