CN112602287A - Can通信方法、设备及系统 - Google Patents

Can通信方法、设备及系统 Download PDF

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Publication number
CN112602287A
CN112602287A CN201980054284.3A CN201980054284A CN112602287A CN 112602287 A CN112602287 A CN 112602287A CN 201980054284 A CN201980054284 A CN 201980054284A CN 112602287 A CN112602287 A CN 112602287A
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ecu
message
master
state
slave
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CN112602287B (zh
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沙庆迪
魏卓
杨艳江
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mechanical Engineering (AREA)
  • Small-Scale Networks (AREA)

Abstract

本申请实施例提供一种CAN通信方法、设备及系统，该方法应用于控制器局域网CAN通信系统，CAN通信系统包括CAN总线和与CAN总线连接的至少两个电子控制单元ECU，该方法包括：第一ECU获取第一随机数，第一ECU为至少两个ECU中的任意一个ECU，第一随机数为至少两个ECU中的主ECU在CAN总线上发送的；第一ECU获取第一随机数对应的第一随机序列；第一ECU根据第一随机序列对在CAN总线上接收的数据报文进行解密处理，和/或，对在CAN总线上发送的数据报文进行加密处理。提高了CAN通信的安全性。

Description

PCT国内申请，说明书已公开。

Claims (22)

  1. PCT国内申请，权利要求书已公开。
CN201980054284.3A 2019-07-19 2019-07-19 Can通信方法、设备及系统 Active CN112602287B (zh)

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PCT/CN2019/096740 WO2021012078A1 (zh) 2019-07-19 2019-07-19 Can通信方法、设备及系统

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CN112602287A true CN112602287A (zh) 2021-04-02
CN112602287B CN112602287B (zh) 2022-02-11

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WO (1) WO2021012078A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113328919B (zh) * 2021-05-28 2023-10-10 江苏徐工工程机械研究院有限公司 一种can总线标识符、通信方法以及通信系统
CN114244747B (zh) * 2021-11-12 2023-11-17 潍柴动力股份有限公司 一种报文健康监控方法、装置及ecu
CN115878160B (zh) * 2023-03-08 2023-05-26 江铃汽车股份有限公司 一种基于can通信的ecu升级方法及系统

Citations (7)

* Cited by examiner, † Cited by third party
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US20160323098A1 (en) * 2015-04-28 2016-11-03 United States Government As Represented By The Secretary Of The Navy System and Method for High-Assurance Data Storage and Processing based on Homomorphic Encryption
US20170013006A1 (en) * 2014-04-03 2017-01-12 Panasonic Intellectual Property Corporation Of America Method for preventing electronic control unit from executing process based on malicious frame transmitted to bus
US20170264432A1 (en) * 2015-09-25 2017-09-14 Eliot Horowitz Systems and methods for hierarchical key management in encrypted distributed databases
US20180019869A1 (en) * 2016-07-15 2018-01-18 Dell Products L.P. System and method for secure messaging between distributed computing nodes
CN108199941A (zh) * 2017-12-29 2018-06-22 北京纳米维景科技有限公司 一种基于can2.0b的can总线通信方法
CN108989024A (zh) * 2018-06-29 2018-12-11 百度在线网络技术（北京）有限公司 控制在车辆中电子控制单元间通信的方法、装置、设备、存储介质以及相应车辆
CN109450750A (zh) * 2018-11-30 2019-03-08 广东美的制冷设备有限公司 设备的语音控制方法、装置、移动终端和家电设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106458112B (zh) * 2014-11-12 2019-08-13 松下电器（美国）知识产权公司 更新管理方法、更新管理系统以及计算机可读取的记录介质
JP6217728B2 (ja) * 2015-10-19 2017-10-25 トヨタ自動車株式会社 車両システムおよび認証方法
CN106027260B (zh) * 2016-05-12 2019-04-02 成都信息工程大学 基于密钥预分配的汽车ecu完整性验证和加密通信方法
CN106549940B (zh) * 2016-10-13 2019-11-26 北京奇虎科技有限公司 车辆数据传输方法及系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170013006A1 (en) * 2014-04-03 2017-01-12 Panasonic Intellectual Property Corporation Of America Method for preventing electronic control unit from executing process based on malicious frame transmitted to bus
US20160323098A1 (en) * 2015-04-28 2016-11-03 United States Government As Represented By The Secretary Of The Navy System and Method for High-Assurance Data Storage and Processing based on Homomorphic Encryption
US20170264432A1 (en) * 2015-09-25 2017-09-14 Eliot Horowitz Systems and methods for hierarchical key management in encrypted distributed databases
US20180019869A1 (en) * 2016-07-15 2018-01-18 Dell Products L.P. System and method for secure messaging between distributed computing nodes
CN108199941A (zh) * 2017-12-29 2018-06-22 北京纳米维景科技有限公司 一种基于can2.0b的can总线通信方法
CN108989024A (zh) * 2018-06-29 2018-12-11 百度在线网络技术（北京）有限公司 控制在车辆中电子控制单元间通信的方法、装置、设备、存储介质以及相应车辆
CN109450750A (zh) * 2018-11-30 2019-03-08 广东美的制冷设备有限公司 设备的语音控制方法、装置、移动终端和家电设备

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WO2021012078A1 (zh) 2021-01-28

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