Re: [IPsec] Ben Campbell's Yes on draft-ietf-ipsecme-rfc7321bis-05: (with COMMENT)

"Ben Campbell" <ben@nostrum.com> Thu, 16 March 2017 17:55 UTC

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From: Ben Campbell <ben@nostrum.com>
To: Paul Wouters <paul@nohats.ca>
Cc: The IESG <iesg@ietf.org>, draft-ietf-ipsecme-rfc7321bis@ietf.org, ipsec@ietf.org, ipsecme-chairs@ietf.org, david.waltermire@nist.gov
Date: Thu, 16 Mar 2017 12:55:31 -0500
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Subject: Re: [IPsec] Ben Campbell's Yes on draft-ietf-ipsecme-rfc7321bis-05: (with COMMENT)
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Thansk for the response. This resolves all but one of my comments, where 
I still have a question:

On 16 Mar 2017, at 12:07, Paul Wouters wrote:

> On Wed, 15 Mar 2017, Ben Campbell wrote:

[...]

>
>
> First paragraph under the table:
>
>    AUTH_NONE has been downgraded from MAY in RFC7321 to MUST NOT.  The
>    only reason NULL is acceptable is when authenticated encryption
>    algorithms are selected from Section 5.  In all other cases, NULL
>    MUST NOT be selected.

So does the authenticated encryption case make AUTH_NONE a MUST? If so, 
it would help to add something along the lines of "..., in which case 
AUTH_NONE MUST be selected."  to the 2nd sentence.

>
> Paul