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Network filtering using private resolvable addresses

An address and wireless network technology, which is applied in the field of network filtering using private resolvable addresses, and can solve the problems of reducing the privacy and security of wireless network communication.

Pending Publication Date: 2022-04-15
GOOGLE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sending unencrypted addressing information reduces the cost and complexity of address filtering, but reduces the privacy and security of communications within the wireless network

Method used

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  • Network filtering using private resolvable addresses
  • Network filtering using private resolvable addresses
  • Network filtering using private resolvable addresses

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0101] Example 1: A method of addressing a packet by a source node in a wireless network to a destination node, the method comprising the source node:

[0102] Hashing the identity resolution key and the value of the random number field to generate an address hash, the identity resolution key is derived from the encryption of the input data generated by the address;

[0103] forming an advertising address comprising a portion of the address hash;

[0104] inserting said advertisement address in an advertisement extension packet; and

[0105] The advertisement extension packets are communicated over the wireless network, the address hash being usable by a destination node to filter the advertisement extension packets.

example 2

[0106] Example 2: according to the method described in Example 1, further comprising the source node:

[0107] The filter key and the address input generation data are hashed using a password-based message authentication code to generate the identity resolution key.

example 3

[0108] Example 3: The method of example 2, wherein the cipher-based message authentication code is Advanced Encryption Standard cipher-based message authentication code (AES-CMAC).

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Abstract

This document describes network filtering with private resolvable addresses in a wireless network (100). A source node (102) in the wireless network (100) hashing the identity resolution key and the value of the random digital segment to generate an address hash (502). The source node (102) forms an advertisement address (504) comprising a portion of the address hash and inserts the advertisement address in an advertisement extension packet (506). A source node (102) transmits an advertisement extension packet over a wireless network (100), an address hash being available by a destination node (104) to filter the advertisement extension packet (508).

Description

Background technique [0001] Connecting devices to each other and to cloud-based services using low-power wireless networks, such as wireless mesh networks, is increasingly popular for sensing environmental conditions, controlling equipment, and providing information and alerts to users. In environments where multiple wireless networks share the same radio spectrum, utilize the same radio channelization, and / or use the same standardized communication protocol, the wireless device needs to filter received radio packets to determine whether the radio packets are addressed to the wireless device or the wireless device Whether received radio packets should be ignored. Many devices on low power wireless networks are designed to operate on battery power for extended periods of time, which limits the available computing, user interface, and radio resources in the device. Processing radio packets that are ultimately ignored or discarded consumes limited resources of the wireless devic...

Claims

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Application Information

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IPC IPC(8): H04L9/40H04L9/32H04W12/088
CPCH04L63/126Y02D30/70H04L45/748H04L9/3242H04L2101/672H04L2101/618H04L45/7453
Inventor 马丁·A·特伦
Owner GOOGLE LLC
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