Title:
車載制御装置の認証システム及び車載制御装置の認証方法
Document Type and Number:
Japanese Patent JP5772692
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an authentication system of an on-vehicle control device which can improve reliability on the authentication while properly maintaining an authentication function of authentication means of the on-vehicle control device, and to provide an authentication method of the on-vehicle control device.SOLUTION: An on-vehicle control device 110 dynamically connected to a network for a vehicle has: an encryption part 111 for encrypting random numbers; a decryption part 112 for decrypting communication data received from on-vehicle control devices 120-140 and hash values "Ha"-"Hd"; an alteration verification part 113 for verifying alteration of the on-vehicle control devices 120-140 through comparison between the decrypted hash values "Ha"-"Hd" and the hash value held by the device itself. The on-vehicle control device 110 transmits the communication data to any of the on-vehicle control devices 120-140 in accordance with a transfer route, at the time of the authentication and verification of the alteration.
Inventors:
Mabuchi Mitsuhiro
Application Number:
JP2012090927A
Publication Date:
September 02, 2015
Filing Date:
April 12, 2012
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
B60R16/02; G06F21/57; H04L9/32
Domestic Patent References:
| JP2010011400A | ||||
| JP2009517911A | ||||
| JP2009296059A | ||||
| JP4125680A |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda