[TLS] Re: Comments on draft-santesson-tls-ume-04/draft-santesson-tls-supp-00

Russ Housley <housley@vigilsec.com> Mon, 17 April 2006 23:03 UTC

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Date: Mon, 17 Apr 2006 17:10:36 -0400
To: Eric Rescorla <ekr@networkresonance.com>
From: Russ Housley <housley@vigilsec.com>
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Subject: [TLS] Re: Comments on draft-santesson-tls-ume-04/draft-santesson-tls-supp-00
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Eric:

>These drafts seem basically sound. Minor comments below.
>
>-tls-supp:
>You should state that only one SupplementalData field may
>be used per handshake.

I agree.  This was pointed out by the Gen-ART reviewer too.

>Somewhere you should note that this data SHOULD NOT be
>processed by TLS but just passed up to the application.

I agree.  This was also raised by Cullen.

>-tls-ume:
>Why is this draft going to Proposed? ISTM that it's pretty
>hard to interpret without a bunch of MS-proprietary
>information. There's no need for it to go to Proposed, since
>both extensions and Supp-data allow code points to be
>issued via informational.

This is being discussed.  The reason that I would like to see it as 
standards-track is that the structure supports more than just 
Microsoft names.  The Microsoft names are simply the first ones that 
are supported.

>S 4:
>You can do the UPN hint extension exchange and then NOT
>send supp_data? That seems wrong.

I agree, if the negotiation is successful, then the supplemental data 
should be sent.

Russ


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