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Title:
電子制御装置および電子制御装置における鍵登録方法
Document Type and Number:
Japanese Patent JP6926671
Kind Code:
B2
Abstract:
To achieve a high speed access to an encrypted key while ensuring security.SOLUTION: An electronic control device 100 according to the present invention including: a secure area non-volatile memory 102 in which both a key encrypted using a first key and a key encrypted with a second key can be written; and a secure area volatile memory 105 in which the key encrypted with the first key cannot be written and the key encrypted with the second key can be written, comprises: a transmitting section 106 that transmits an identification code for identifying the electronic control device to a key distribution source device; a reception section 107 that receives, from the key distribution source device, a target key encrypted with the second key having a corresponding relation with the identification code; and the secure area volatile memory 105 in which the target key decrypted with the second key is written.SELECTED DRAWING: Figure 1

Inventors:
Keita Hayakawa
Application Number:
JP2017100785A
Publication Date:
August 25, 2021
Filing Date:
May 22, 2017
Export Citation:
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Assignee:
株式会社デンソー
International Classes:
H04L9/08
Domestic Patent References:
JP2017046038A
JP2011522469A
Other References:
川端 秀明,溝口 誠一郎,高木 佳彦,竹森 敬祐,窪田 歩,車載ECU向けの鍵管理方式,SCIS2016[USB],2016年 1月19日,pp.1-7
菅島 健司,岡 デニス健五,カミーユ ヴィオム,セキュアかつ効率的な車載鍵管理の提案,SCIS2016[USB],2016年 1月19日,pp.1-6
Attorney, Agent or Firm:
Kazunori Fujie
Nakayasu Keiko



 
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