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Re: [STDS-802-11-TGM] Resolution to CID 116

--- This message came from the IEEE 802.11 Task Group M Technical Reflector ---
There is some text in the same paragraph before the text under discussion - I took another stab and simplifying and clarifying the intended semantics without reordering the phrases (and hopefully not introducing any issues)

Upon receipt of a Com event, the t0 (retransmission) timer shall be canceled. If the Status is nonzero, the frame shall be silently discarded, the t0 (retransmission) timer set, and the protocol instance shall remain in the Confirmed state. If Sync is greater than dot11RSNASAESync, the protocol instance shall send the parent process a Del event and transitions back to Nothing state. If Sync is not greater than dot11RSNASAESync Otherwise, the protocol instance shall verify that the finite cyclic group is the same as the previously received SAE Commit message. If not the verification fails, the frame shall be silently discarded. If soOtherwise, the protocol instance shall increment Sync, increment Sc, and transmit its SAE Commit message and its SAE Confirm message with the new Sc value. It then shall set the t0 (retransmission) timer.



On Fri, Oct 1, 2021 at 1:33 PM M Montemurro <montemurro.michael@xxxxxxxxx> wrote:
Hi all,

For CID 116, we debated whether we could accept the comment and could not come to an agreement on a proposed resolution. (see the comment and discussed resolutions below) 

I would like to initiate a discussion on the reflector to see if we can come to a resolution.

Thanks,

Mike

Here is the comment:
REVme SEC adhoc comments
2554.00 12.4.8.6.5 V SAE: "<verify X>. If not, <do Y>. If so, <do Z>" construction can be ambiguous since it is not always clear what "if so" is referring to (something in "verify X" vs. "do Y"). Replace
"If Sync is not greater than dot11RSNASAESync, the protocol instance shall verify that the finite cyclic group is the same as the previously received SAE Commit message. If not, the frame shall be silently discarded. If so, the protocol instance shall increment Sync, increment Sc, and transmit its SAE Commit message and its SAE Confirm message with the new Sc value."
with
"If Sync is not greater than dot11RSNASAESync, the protocol instance shall verify that the finite cyclic group is the same as the previously received SAE Commit message. If not, the frame shall be silently discarded. Otherwise, the protocol instance shall increment Sync, increment Sc, and transmit its SAE Commit message and its SAE Confirm message with the new Sc value."

The proposed resolution that was discussed on the call (along with an alternative that was mentioned in the chat):

Replace
"If Sync is not greater than dot11RSNASAESync, the protocol instance shall verify that the finite cyclic group is the same as the previously received SAE Commit message. If not, the frame shall be silently discarded. If so, the protocol instance shall increment Sync, increment Sc, and transmit its SAE Commit message and its SAE Confirm message with the new Sc value."

with

"If Sync is not greater than dot11RSNASAESync, the protocol instance shall verify that the finite cyclic group is the same as in the previously received SAE Commit message. If it is not, the frame shall be silently discarded. Otherwise, the protocol instance shall increment Sync, increment Sc, and transmit its SAE Commit message and its SAE Confirm message with the new Sc value."

Alternative:
ust a suggestion: "If Sync is not greater than dot11RSNASAESync, the protocol instance shall verify that the finite cyclic group is the same as in the previously received SAE Commit message, and if it is not, the frame shall be silently discarded. If Sync is greater than dot11RSNASAESync, the protocol instance shall increment Sync, increment Sc, and transmit its SAE Commit message and its SAE Confirm message with the new Sc value."


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