IN-VEHICLE NETWORK SECURE COMMUNICATION METHOD, APPARATUS AND DEVICE

IN-VEHICLE NETWORK SECURE COMMUNICATION METHOD, APPARATUS AND DEVICE

This application provides a secure onboard network communication method, an apparatus, and a device, to ensure that a freshness value is effectively synchronized within a vehicle lifecycle of a vehicle, and prevent a replay attack in onboard network communication. The device includes: a first proces...

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Hauptverfasser: GENG, Feng, SHA, Qingdi, ZHONG, Steven Yin
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator GENG, Feng
SHA, Qingdi
ZHONG, Steven Yin
description This application provides a secure onboard network communication method, an apparatus, and a device, to ensure that a freshness value is effectively synchronized within a vehicle lifecycle of a vehicle, and prevent a replay attack in onboard network communication. The device includes: a first processing module, configured to obtain an initial value of a first freshness value FV, obtain a second value based on the initial value, and refresh the initial value to the second value; a first sending module, configured to send a first message, where the first message includes the second value of the first FV; a first receiving module, configured to receive the first message; and a second processing module, configured to obtain an initial value of a second freshness value FV, and when a first condition is met, refresh the second FV to the second value, where the first condition includes a condition that the second value of the first FV is greater than or equal to a sum of the initial value of the second FV and a predetermined value.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title IN-VEHICLE NETWORK SECURE COMMUNICATION METHOD, APPARATUS AND DEVICE
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