a.
Document 11-21/871 – Dan (HPE) – Rejected Groups in SAE
I have the following comments on this submission:
- Is the "shall" going to result in any existing devices becoming
noncompliant?
- "Each rejected group shall be represented as an unsigned 16-bit integer using
the bit ordering conventions of 9.2.2 (Conventions)."
does not belong in Clause 12, and is already covered in Clause 9
(specifically 9.4.2.246->9.4.1.42->9.2.2).
The correct place is
Clause 9 because Clause 9 is for format/encoding and other clauses
are for behaviour.
- I think "in response to rejection of a previous SAE Commit message with status code set to UNSUPPORTED_FINITE_CYCLIC_GROUP"
is unclear.
Is it the previous SAE Commit message that carries that SC,
or is it the rejection of that SAE Commit message that carries that SC?
And what does “a previous” mean here?
Does it mean “the immediately previous”?
- I suggest the wording could be made more straightforward and
consistent as follows:
12.4.7.4 Encoding and decoding of SAE Commit messages
An SAE Commit message shall
consist ofinclude a Finite Cyclic Group field (see
9.4.1.42 (Finite Cyclic Group field)) indicating a group, a Scalar field (see
9.4.1.39 (Scalar field)) containing the scalar, and an FFE field containing the element (see
9.4.1.40 (FFE field)). If the SAE Commit message is in response to an Anti-Clogging Token field request (see 12.4.7.6 (Status codes)),
the
an
Anti-Clogging Token field is
presentshall be included (see 9.4.1.38 (Anti-Clogging Token
field)). When the PWE is derived using the hash-to-element method, the Anti-Clogging Token field is encapsulated in an Anti-Clogging Token Container element; otherwise, the Anti-Clogging Token field is included in the frame outside of an element as described
in Table 9-41 (Presence of fields and elements in Authentication frames). If a password identifier is used in generation of the password element (PWE)
the
a
Password identifier element shall be presentincluded and
the identifier shall be encoded as a UTF-8 string in the Identifier portion of the element (see 9.4.2.216 (Password Identifier element)). If an SAE Commit message with status code set to SAE_HASH_TO_ELEMENT is being sent
in response to rejection of a previous SAE Commit message with status code set to UNSUPPORTED_FINITE_CYCLIC_GROUP[MR1] ,
the group that was rejected shall be appended, after the rejected groups from previous attempts if
applicableany, to the Rejected Groups field of the Rejected Groups element
(see 9.4.2.246 (Rejected Groups element)).
Each rejected group shall be represented
as an unsigned 16-bit integer using the bit ordering conventions of 9.2.2 (Conventions). If
the status code of thean
SAE Commit message with status code set tois
SAE_HASH_TO_ELEMENT
is being sent
and
if
any groups have been rejected
during the current SAE session, the Rejected Groups element
shall
be present, otherwise it shall not be present.
[The first change has been made in 21/0871r1 but I can't work out how
to edit it in this email!]
Thanks,
Mark
--
Mark RISON, Standards Architect, WLAN English/Esperanto/Français
Samsung Cambridge Solution Centre Tel: +44 1223 434600
Innovation Park, Cambridge CB4 0DS Fax: +44 1223 434601
ROYAUME UNI WWW:
http://www.samsung.com/uk
From:
M Montemurro <montemurro.michael@xxxxxxxxx>
Sent: Friday, 11 June 2021 16:21
To: STDS-802-11-TGM@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGM] Teleconference reminder: June 14 @ 10am ET
--- This message came from the IEEE 802.11 Task Group M Technical Reflector ---
Hi all,
Just a reminder that we have a teleconference scheduled for Monday June 14 at 10am ET. The agenda for the call can be found here:
Cheers,
Mike
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[MR1]Is it the previous
SAE Commit message that carries that SC, or is it the rejection of that SAE Commit message that carries that SC?
And what does “a previous” mean here?
Does it mean “the immediately previous”? Otherwise what does it mean (assuming no time-travel)?
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