Re: [Lwip] [IPsec] The LWIG WG has placed draft-mglt-lwig-minimal-esp in state "Call For Adoption By WG Issued"

"Valery Smyslov" <smyslov.ietf@gmail.com> Thu, 14 February 2019 07:07 UTC

From: Valery Smyslov <smyslov.ietf@gmail.com>
To: 'Paul Wouters' <paul@nohats.ca>, 'Daniel Migault' <daniel.migault@ericsson.com>
Cc: lwip@ietf.org, 'Mohit Sethi M' <mohit.m.sethi@ericsson.com>, 'Tero Kivinen' <kivinen@iki.fi>
References: <CAP_kZQqckPJhCn083sg8=PVpiO_+Ke=GhOKre=qujkk4k=dU7A@mail.gmail.com> <CADZyTk=dtJS7bS8oJtSa1bW-Xv3-AkuboX1QoJTFG+DyuN94ow@mail.gmail.com> <CAP_kZQrnmJJaLtzSJ5MeDYSme2mV6sAfGZrE5tnx8P6hbMib7g@mail.gmail.com> <23433.17795.580382.531001@fireball.acr.fi> <alpine.LRH.2.21.1808311231250.27198@bofh.nohats.ca> <VI1PR07MB4717173E61C887FDF4E4D3ABD0F70@VI1PR07MB4717.eurprd07.prod.outlook.com> <CADZyTk=hYhJH8yU5TU6m_dsEr_u+iEfd=c=oasV5=JEHM4dc1g@mail.gmail.com> <alpine.LRH.2.21.1902131236040.458@bofh.nohats.ca>
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Date: Thu, 14 Feb 2019 10:07:22 +0300
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Subject: Re: [Lwip] [IPsec] The LWIG WG has placed draft-mglt-lwig-minimal-esp in state "Call For Adoption By WG Issued"
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Hi Paul,

just a small clarification and a comment.

> This sentence is confusing:
> 
>  	ESP can be used to authenticate only or to encrypt the communication.
> 
> Since IPsec-v2 allowed ESP without authentication, and IPsec-v3 only has
> authenticated ESP. It's better to say ESP allows null-encryption and not
> mention authentication (which always happens)

In fact, RFC 4303 does allow using encryption w/o authentication for ESP,
unless NULL encryption is used.

> All in all, I think the document should more clearly seperate the issues
> of a minimal ESP implementation, and any proposed modifications to ESP.
> And if that is done, the protocol shouldn't be ESP but something new,
> unless it is completely backwards compatible (like IPsec-v2 to->
> IPsec-v3 was)
>
> If the document is defining a minimum/battery optimized ESP
> configuartion, I have no problems with it and I will review further
> text and welcome adoption. If it makes changes to the ESP protocol,
> then I think there should be more discussion before adoption.

I agree with this.

Regards,
Valery.

> Paul
> 
> _______________________________________________
> Lwip mailing list
> Lwip@ietf.org
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[Lwip] The LWIG WG has placed draft-mglt-lwig-min… Heinrich Singh
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Daniel Migault
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Heinrich Singh
Re: [Lwip] The LWIG WG has placed draft-mglt-lwig… Zhen Cao
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Tero Kivinen
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Daniel Migault
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Michael Richardson
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Paul Wouters
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Mohit Sethi
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Daniel Migault
Re: [Lwip] The LWIG WG has placed draft-mglt-lwig… Heinrich Singh
Re: [Lwip] The LWIG WG has placed draft-mglt-lwig… Daniel Migault
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Mohit Sethi M
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Daniel Migault
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Paul Wouters
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Valery Smyslov
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Paul Wouters
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Daniel Migault
Re: [Lwip] [IPsec] The LWIG WG has placed draft-m… Mohit Sethi M