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Hi Li-Hsiang,
I also suggested Sanket to update this SP note, citing a proposal on Slide 4 in contribution 11-24/1998.
Thanks,
Hui
From: L. S. <lsun2005@xxxxxxxxx>
Sent: Thursday, March 13, 2025 12:25 PM
To: STDS-802-11-TGBP@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBP] Call for SP/MOTION text
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Hi Sanket,
Can we get a clarification from you about SP3 "Encryption of AMP data cannot be supported"
why UL in this case cannot do encryption?
Thanks!
On Thu, Mar 13, 2025 at 3:01 AM Sanket Kalamkar <000033b8f79f2eb4-dmarc-request@xxxxxxxxxxxxxxxxx> wrote:
Hi Bo,
Can you please help queue the following SPs to TGbp March F2F agenda?
SP1: Do you agree that 802.11bp defines a mechanism to generate a transient key at the AMP client to support secure communication, where:
- An AP transmits a downlink frame containing an ANonce.
- After receiving the downlink AMP frame from the AP that contains an ANonce, an AMP client generates an SNonce.
- The client generates a transient key using the ANonce, the SNonce, and a preestablished Pairwise Master Key (PMK) between the AP and the client.
Supporting document: 11-24/2112, 11-24/1998
SP2: Do you agree that 802.11bp defines a mechanism to generate a transient key at the AP to support secure communication, where:
- In response to the downlink AMP frame from the AP that contains an ANonce, the AMP client transmits an uplink AMP frame that carries the SNonce and a MIC.
- The client generates the MIC using the derived transient key at the client.
- If the MIC is verified, the AP uses the ANonce it transmitted in the previous downlink AMP frame, the SNonce, and the preestablished PMK to generate the transient key.
Supporting document: 11-24/2112, 11-24/1998
SP3: Do you agree that the transient key generation at the AP and the AMP client in 802.11bp may occur concurrently with AMP downlink and uplink data communication:
·The downlink AMP frame from the AP carries ANonce along with downlink data from the AP (e.g., AMP trigger).
·The uplink AMP frame from the AMP client carries SNonce and MIC along with the UL data (e.g., UL response to the AMP trigger).
·Note—Encryption of AMP data cannot be supported.
Supporting document: 11-24/2112
SP4: Do you agree that the transient key generation at the AP and the AMP client in 802.11bp may be performed immediately before AMP downlink and uplink data communication:
- Once the transient key is derived at both the AP and the AMP client, subsequent AMP data communication between the AP and the client can be secured using MIC and/or encryption based on the generated transient key.
- Note—Encryption of AMP data can be supported
Supporting document: 11-24/2112
SP5: Do you agree that 802.11bp to define a slotted ALOHA based procedure to enable multiple clients to access the medium to send uplink AMP PPDU(s)?
Supporting document: 11-24/2113
SP6: Do you agree that 802.11bp defines an AMP Trigger frame that an AP transmits to solicit UL AMP PPDU(s) from one or more 802.11bp clients and carries the following content?
- Transmitter ID
- Receiver ID(s)
- FCS
- Medium access related policy (e.g., Slotted ALOHA parameters)
- Security parameters (e.g., ANonce, MIC)
- Other parameters TBD
Supporting document: 11-24/2112, 11-25/398
SP7: Do you agree that an 802.11bp client may use the receive time of the AMP Trigger frame, which solicits UL AMP PPDUs from the client, to determine the timing for transmitting UL AMP PPDUs?
Supporting document: 11-25/353
SP8: Do you agree that when the AP solicits UL AMP PPDUs from 802.11bp clients using Slotted ALOHA, the AMP Trigger frame shall carry the following parameters?
- Number of slots for UL PPDU transmissions in that TXOP
- The probability with which an 802.11bp client attempts to access a slot until it successfully does so
- Other parameters TBD
- NOTE—The probability can be determined by the AP, and its value selection depends on the implementation.
Supporting document: 11-24/2112, 11-25/398
SP9: Do you agree that 802.11bp defines an AMP Ack frame that an AMP STA transmits to acknowledge an AMP PPDU that is sent by a peer AMP STA?
Supporting document: 11-25/398
Best,
Sanket
From: sun.bo1@xxxxxxxxxxxxxxxx <sun.bo1@xxxxxxxxxxxxxxxx>
Sent: Wednesday, March 12, 2025 11:05 PM
To: STDS-802-11-TGBP@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBP] Call for SP/MOTION text
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Hello, all,
As planned, we will run SPs and motions in the TGbp closing meeting in Thursday PM1.
If you plan to run SPs/Motions, please send the SPs/Motions text to the reflector before Thursday PM1 so that I can setup the agenda and the group members could have a chance to review the SPs/Motions before we run them.
You should also include a note for each SP/Motion to refer contributions related to that SP or Motion text.
Best Regards,
Bo
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