Title:
A communication network system and a message inspection method
Document Type and Number:
Japanese Patent JP6199335
Kind Code:
B2
Abstract:
In a communication network system connected between a transmission node and a reception node, both the transmission node and the reception node store the same secret information with their secret information storage units. The transmission node includes a counter configured to increase its transmission count value by 1 for transmitting each message, wherein a MAC generator generates MAC based on secret information, transmission data, and its transmission count value, thus transmitting a message including transmission data and MAC. The reception node includes a counter configured to increase a reception count value by 1 for receiving each message, wherein a MAC checking part generates MAC based on secret information, reception data, and its reception count value, obtained from the received message, thus checking whether the generated MAC matches the MAC obtained from the received message.
Inventors:
Keisuke Takemori
Hideaki Kawabata
Hideaki Kawabata
Application Number:
JP2015088397A
Publication Date:
September 20, 2017
Filing Date:
April 23, 2015
Export Citation:
Assignee:
KDDI CORPORATION
International Classes:
H04L9/32; B60R16/023; G09C1/00; H04L12/28; H04L12/40
Domestic Patent References:
| JP2010011400A | ||||
| JP2011521548A | ||||
| JP2016012912A | ||||
| JP2005167942A |
Foreign References:
| WO2013128317A1 |
Other References:
DAVIES, D. W. and PRICE, W. L.,ネットワーク・セキュリティ,日経マグロウヒル社,1985年12月 5日,p.114-116, 126-128
竹森敬祐 他,セキュアブート+認証による車載制御システムの保護,電子情報通信学会技術研究報告,2014年 9月12日,第114巻 第225号,p.47-52
Lin, C.-W. and Sangiovanni-Vincentelli, A.,Cyber-Security for the Controller Area Network (CAN) Communication Protocol,2012 International Conference on Cyber Security,2012年,p.1-7
Nilsson, D.K., Larson, U.E. and Jonsson, E.,Efficient In-Vehicle Delayed Data Authentication Based on Compound Message Authentication Codes,IEEE 68th Vehicular Technology Conference, 2008,2008年,p.1-5
竹森敬祐 他,セキュアブート+認証による車載制御システムの保護,電子情報通信学会技術研究報告,2014年 9月12日,第114巻 第225号,p.47-52
Lin, C.-W. and Sangiovanni-Vincentelli, A.,Cyber-Security for the Controller Area Network (CAN) Communication Protocol,2012 International Conference on Cyber Security,2012年,p.1-7
Nilsson, D.K., Larson, U.E. and Jonsson, E.,Efficient In-Vehicle Delayed Data Authentication Based on Compound Message Authentication Codes,IEEE 68th Vehicular Technology Conference, 2008,2008年,p.1-5
Attorney, Agent or Firm:
Sumio Tanai
Masatake Shiga
Yoshifumi Saeki
Masatake Shiga
Yoshifumi Saeki
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