BR112013022417A2 - sistema de rede de veículo - Google Patents

sistema de rede de veículo

Info

Publication number
BR112013022417A2
BR112013022417A2 BR112013022417A BR112013022417A BR112013022417A2 BR 112013022417 A2 BR112013022417 A2 BR 112013022417A2 BR 112013022417 A BR112013022417 A BR 112013022417A BR 112013022417 A BR112013022417 A BR 112013022417A BR 112013022417 A2 BR112013022417 A2 BR 112013022417A2
Authority
BR
Brazil
Prior art keywords
ecu
network system
vehicle network
authentication password
public key
Prior art date
Application number
BR112013022417A
Other languages
English (en)
Other versions
BR112013022417B1 (pt
Inventor
Noriaki Inoue
Shohei Koide
Yuji Ninagawa
Original Assignee
Toyota Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Co Ltd filed Critical Toyota Motor Co Ltd
Publication of BR112013022417A2 publication Critical patent/BR112013022417A2/pt
Publication of BR112013022417B1 publication Critical patent/BR112013022417B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • 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
    • H04L12/403—Bus networks with centralised control, e.g. polling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0869—Network architectures or network communication protocols for network security for authentication of entities for achieving mutual authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3242—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • 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
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215—Controller Area Network CAN
    • 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
    • H04L2012/40267—Bus for use in transportation systems
    • H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/84—Vehicles

Abstract

resumo patente de invenção: "sistema de rede de veículo". a presente invenção refere-se a um sistema de rede de veículo, uma pluralidade de ecus é conectada em rede. a pluralidade de ecus inclui uma primeira ecu (20) que tem estabelecida na mesma uma chave secreta (k1) dentre a chave secreta (k1) e uma chave pública (k2) que formam um par e são estabelecidas baseadas no processamento de inicialização executado quando o sistema de rede do veículo é criado, e uma segunda ecu (21) que tem estabelecida na mesma a chave pública (k2). a segunda ecu (21) adiciona, para um sinal de transmissão, uma palavra-chave de autenticação (43) criada a partir da chave pública (k2) e informação capaz de especificar a segunda ecu (21) e transmite o sinal de transmissão com a palavra-chave de autenticação adicionada para o mesmo para a rede (29). a primeira ecu (20) adquire a palavra-chave de autenticação (43) e estima a confiabilidade do sinal de comunicação baseada na palavra-chave de autenticação adquirida (43) e na chave secreta (k1).
BR112013022417-7A 2011-03-04 2012-03-02 Sistema de rede de veículo BR112013022417B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-048020 2011-03-04
JP2011048020A JP5310761B2 (ja) 2011-03-04 2011-03-04 車両ネットワークシステム
PCT/IB2012/000389 WO2012120350A2 (en) 2011-03-04 2012-03-02 Vehicle network system

Publications (2)

Publication Number Publication Date
BR112013022417A2 true BR112013022417A2 (pt) 2016-12-13
BR112013022417B1 BR112013022417B1 (pt) 2022-07-26

Family

ID=46028000

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013022417-7A BR112013022417B1 (pt) 2011-03-04 2012-03-02 Sistema de rede de veículo

Country Status (5)

Country Link
US (1) US9413732B2 (pt)
EP (1) EP2681901B1 (pt)
JP (1) JP5310761B2 (pt)
BR (1) BR112013022417B1 (pt)
WO (1) WO2012120350A2 (pt)

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Also Published As

Publication number Publication date
WO2012120350A3 (en) 2012-11-08
US20140040992A1 (en) 2014-02-06
BR112013022417B1 (pt) 2022-07-26
JP2012186635A (ja) 2012-09-27
CN103404112A (zh) 2013-11-20
EP2681901A2 (en) 2014-01-08
US9413732B2 (en) 2016-08-09
JP5310761B2 (ja) 2013-10-09
EP2681901B1 (en) 2017-07-26
WO2012120350A2 (en) 2012-09-13

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