公开(公告)号：US20240048974A1

公开(公告)日：2024-02-08

申请号：US18231566

申请日：2023-08-08

Applicant: Apple Inc.

Inventor： Jarkko L. Kneckt ,  Debashis Dash ,  Elliot S. Briggs ,  Nisan Reuven ,  Qi Wang ,  Sidharth R. Thakur ,  Su Khiong Yong ,  Yong Liu ,  Tianyu Wu

IPC: H04W12/037 ,  H04W12/02

CPC classification number: H04W12/037 ,  H04W12/02

Abstract: Techniques are disclosed for obfuscation in a privacy beacon. An example method includes the first device receiving, from a second communication device, a beacon frame comprising a medium access control (MAC) header and an encrypted beacon frame field, the MAC header comprising an obfuscated timing synchronization field (TSF). The first device can select a key for de-obfuscating the TSF based at least in part on information associated with the beacon frame. The first device can de-obfuscate the TSF based at least in part on the key. The first device can decrypt the encrypted beacon frame field of the beacon frame based at least in part on information associated with the de-obfuscated TSF.

公开(公告)号：US20240048531A1

公开(公告)日：2024-02-08

申请号：US18231641

申请日：2023-08-08

Applicant: Apple Inc.

Inventor： Jarkko L. Kneckt ,  Debashis Dash ,  Elliot S. Briggs ,  Nisan Reuven ,  Qi Wang ,  Sidharth R. Thakur ,  Su Khiong Yong ,  Yong Liu ,  Tianyu Wu

IPC: H04L9/40 ,  H04L5/00

CPC classification number: H04L63/0421 ,  H04L5/0048

Abstract: Techniques are disclosed for obfuscation in a privacy beacon. An example method includes a first communication device creating a beacon field to be included in a beacon frame. The first communication device can generate a timing synchronization field to be included in the beacon frame. The first communication device can apply an offset to the timing synchronization field of the beacon frame. The first communication device can transmit the beacon frame to a second communication device, the beacon frame comprising the offset timing synchronization field and the beacon field.

公开(公告)号：US20240007846A1

公开(公告)日：2024-01-04

申请号：US18324089

申请日：2023-05-25

Applicant: Apple Inc.

Inventor： Jarkko L. Kneckt ,  Su Khiong Yong ,  Sidharth R. Thakur ,  Yong Liu ,  Elliot S. Briggs ,  Nisan Reuven ,  Debashis Dash ,  Daniel R. Borges ,  Charles F. Dominguez ,  Udi Atar ,  Ilan Evron

IPC: H04W8/26 ,  H04W52/02 ,  H04W76/25

CPC classification number: H04W8/26 ,  H04W52/0258 ,  H04W76/25 ,  H04W84/14

Abstract: Methods, systems and apparatuses for performing an address change by an access point (AP) multi-link device (MLD) and non-AP MLD are described. A non-AP MLD may transmit to an AP MLD, using one or more respective transmission (TX) links in an active mode, one or more uplink frames that include one or more respective initial addresses corresponding to one or more respective reception (RX) links of the AP MLD. The non-AP MLD may then configure the one or more respective TX links to a lower power mode. The non-AP MLD may configure the one or more respective TX links with one or more respective new addresses prior to transitioning the one or more respective TX links back to the active mode. The non-AP MLD may transmit, to the AP MLD, one or more additional uplink frames that include the one or more respective new addresses.

公开(公告)号：US20240406906A1

公开(公告)日：2024-12-05

申请号：US18325213

申请日：2023-05-30

Applicant: Apple Inc.

Inventor： Jarkko L. Kneckt ,  Charles F. Dominguez ,  Daniel R. Borges ,  Debashis Dash ,  Elliot S. Briggs ,  Ilan Evron ,  Nisan Reuven ,  Sidharth R. Thakur ,  Su Khiong Yong ,  Tianyu Wu ,  Udi Atar ,  Yong Liu

IPC: H04W60/04

Abstract: An electronic device is described. This electronic device may associate with a second electronic device (such as an access point) in a WLAN. While associating or associated with the second electronic device, the electronic device may receive, from the second electronic device, an AID corresponding to the electronic device for use when communicating frames in the WLAN. Moreover, while associated with the second electronic device, the electronic device may obtain a second AID corresponding to the electronic device for use when communicating second frames in the WLAN, where the associating includes replacing the AID with the second AID. Note that obtaining the second AID may include: the electronic device selecting the second AID from a predefined set of AIDs, which were previously received from the second electronic device; or the electronic device receiving, from the second electronic device, the second AID.

公开(公告)号：US20240049208A1

公开(公告)日：2024-02-08

申请号：US18231704

申请日：2023-08-08

Applicant: Apple Inc.

Inventor： Jarkko L. Kneckt ,  Debashis Dash ,  Elliot S. Briggs ,  Nisan Reuven ,  Qi Wang ,  Sidharth R. Thakur ,  Su Khiong Yong ,  Yong Liu ,  Tianyu Wu

IPC: H04W72/044 ,  H04L5/00

CPC classification number: H04W72/0466 ,  H04L5/0055

Abstract: Techniques are directed toward secure scrambling. An example method includes receiving, by a first communication device a physical layer protocol data unit (PPDU) frame from a second communication device. The first communication device can determine a PPDU frame type based at least in part on a preamble of the PPDU frame. The first communication device can apply a PPDU frame type-based key and a determined service field value to implement a descrambling process for a medium access control (MAC) header of the PPDU frame. The first communication device can descramble a payload based at least in part on de-obfuscating the MAC header. The first communication device selecting a scrambler seed for scrambling an acknowledgement (ACK) message. The first communication device scrambling the ACK message based on the selected scrambler seed.

公开(公告)号：US20240048542A1

公开(公告)日：2024-02-08

申请号：US18231703

申请日：2023-08-08

Applicant: Apple Inc.

Inventor： Jarkko L. Kneckt ,  Debashis Dash ,  Elliot S. Briggs ,  Nisan Reuven ,  Qi Wang ,  Sidharth R. Thakur ,  Su Khiong Yong ,  Yong Liu ,  Tianyu Wu

IPC: H04L9/40

CPC classification number: H04L63/0485

Abstract: Techniques are directed toward secure scrambling. An example method includes a first device encrypting a payload to be included in a physical layer protocol data unit (PPDU) frame. The determining a PPDU frame type based at least in part on an association with a second device. The first device can select a key based at least in part on the association with second device. The first device can encrypt a payload to be included in a physical layer protocol data unit (PPDU) frame. The first device can determine a PPDU frame type based at least in part on an association with a second communication device. The first device can obfuscate the field of the MAC header. The first device can scramble the encrypted payload using a service field value. The first device can transmit the PPDU frame to the second device.

公开(公告)号：US20240048533A1

公开(公告)日：2024-02-08

申请号：US18231691

申请日：2023-08-08

Applicant: Apple Inc.

Inventor： Jarkko L. Kneckt ,  Debashis Dash ,  Elliot S. Briggs ,  Nisan Reuven ,  Qi Wang ,  Sidharth R. Thakur ,  Su Khiong Yong ,  Yong Liu ,  Tianyu Wu

IPC: H04L9/40 ,  H04L69/22

CPC classification number: H04L63/0428 ,  H04L69/22

Abstract: Techniques are provided for medium access control header obfuscation. One example method includes a first device encrypting a data payload using a first encryption algorithm. The first device can encrypt a field of a medium access control (MAC) header using a second encryption algorithm, different from the first encryption algorithm. The first device can generate a data frame comprising the encrypted MAC header field and the encrypted payload. The first device can transmit the data frame to a second communication device.