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Identity Obscuration for a Wireless Station

A technology of site and identity, applied in the field of wireless communication, can solve problems such as privacy

Pending Publication Date: 2021-01-29
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can create privacy concerns in some environments

Method used

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  • Identity Obscuration for a Wireless Station
  • Identity Obscuration for a Wireless Station
  • Identity Obscuration for a Wireless Station

Examples

Experimental program
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Embodiment Construction

[0022] Disclosed herein are system, apparatus, apparatus, method, and / or computer program product embodiments, and / or combinations and subcombinations thereof, for obfuscating the identity of a station (STA) connected to a wireless network to prevent the STA from being tracked. Some embodiments operated by STAs establish a mapping between the STA's short-term identity (e.g., AID) and the STA's long-term identity (e.g., Media Access Control (MAC) address), which is "explicitly" transmitted over the wireless network and Changing periodically, this long-term identity remains constant while the STA is associated with an access point (AP) and is never "explicitly" transmitted over the wireless network. In addition, embodiments operated by STAs periodically alter or mask various "fingerprint" fields stored in frames transmitted over the wireless network.

[0023] Users typically use their electronic devices (e.g., mobile phones, laptops, smart watches, and various other electronic d...

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PUM

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Abstract

The disclosure relates to identity obscuration for a wireless station. Disclosed herein are system, method, and computer program product embodiments for identity obscuration of a station (STA) connected to a wireless network to prevent the tracking of the STA. Embodiments include a STA configured to establish a security association with an access point (AP) based on an original long term identityfor the station and an identity of the AP. The STA can transmit a new long term identity for the STA to the AP based on the security association. The STA can then transmit a request frame to change the original short term identity assigned to the STA to the AP. The STA can receive a response frame from the AP. The response frame can include a new short term identity assigned to the station by theAP. The STA can then map its new long term identity to its new short term identity assigned by the AP.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Provisional US Patent Application 62 / 873,659, entitled "Identity Obscuration for a Wireless Station," filed July 12, 2019, which is incorporated herein by reference in its entirety. technical field [0003] The present disclosure relates to the field of wireless communications, including identity obfuscation of stations (STAs) connected to wireless networks to prevent tracking of STAs. Background technique [0004] Wireless networking has fundamentally changed how users use their electronic devices. Users now use their electronic devices not only at home or in the office, but also to connect to wireless networks provided at various other places, such as coffee shops, department stores, and airports. Users connect to these wireless networks using various wireless communication standards. For example, users typically connect to wireless networks using the Institute of Electrical ...

Claims

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Application Information

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IPC IPC(8): H04W12/02H04W12/03H04W12/45H04W12/084H04L29/12
CPCH04W12/02H04L61/2539H04L2101/622H04W12/50H04W12/71H04W12/75H04W12/03H04W12/037
Inventor 刘勇C·A·哈特曼伍天宇王琦J·L·克内科特江津菁S·K·勇李国清
Owner APPLE INC