Re: [secdir] [kitten] SECDIR review of draft-ietf-kitten-krb-auth-indicator-04

Greg Hudson <ghudson@mit.edu> Thu, 05 January 2017 19:57 UTC

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To: Benjamin Kaduk <kaduk@mit.edu>, Christian Huitema <huitema@huitema.net>
References: <005f01d263d5$84b14680$8e13d380$@huitema.net> <006f01d263d8$435dc430$ca194c90$@huitema.net> <20170103062001.GN8460@kduck.kaduk.org> <00c901d26766$566e9ae0$034bd0a0$@huitema.net> <20170105194728.GU8460@kduck.kaduk.org>
From: Greg Hudson <ghudson@mit.edu>
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Date: Thu, 5 Jan 2017 14:57:48 -0500
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Cc: kitten@ietf.org, draft-ietf-kitten-krb-auth-indicator.all@ietf.org, 'IESG' <iesg@ietf.org>, 'secdir' <secdir@ietf.org>
Subject: Re: [secdir] [kitten] SECDIR review of draft-ietf-kitten-krb-auth-indicator-04
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On 01/05/2017 02:47 PM, Benjamin Kaduk wrote:
> I don't think so, but will loop in the WG to confirm.
> The ad-type should indicate what is immediately inside the next encoding
> layer of the ad-data.  So a Ticket might have an AuthorizationData that
> contains ad-type 1 (AD-IF-RELEVANT), that itself contains AuthorizationData
> with ad-type 96 (AD-CAMMAC), that in turn contains AuthorizationData with
> ad-type 97 (AD-AUTHENTICATION-INDICATOR).  So, 97 should appear only at
> the lowest level, and correspond to ad-data that's just the
> AD-AUTHENTICATION-INDICATOR itself.

I agree with Ben.