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Key management and data re-encryption schemes for secure in-vehicle network

Authors
Park, Young-Hoon
Issue Date
Dec-2018
Publisher
IOS PRESS
Keywords
In-vehicle network; proxy re-encryption; privacy; key management
Citation
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS, v.35, no.6, pp 6079 - 6087
Pages
9
Journal Title
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS
Volume
35
Number
6
Start Page
6079
End Page
6087
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/4135
DOI
10.3233/JIFS-169848
ISSN
1064-1246
1875-8967
Abstract
With the development of intelligent vehicles, in-vehicle security and privacy receive considerable attention from researchers and drivers. The data stored in a vehicle control unit (VCU) may contain privacy-sensitive content, which may be exposed to unauthorized devices or attackers due to the structural problems of the in-vehicle network. To overcome this problem, data can be encrypted with the target module's key before being transmitted to the in-vehicle network. However, this may lead to another efficiency problem. In this study, we propose a model that adopts the proxy re-encryption (PRE) scheme to the in-vehicle network. This is called privacy-enhancing in-vehicle network key management (PINK). In the proposed model, the data stored in the VCU is encrypted with a master key. In addition, when the stored data is requested by a node, it is transformed into a ciphertext that can only be decrypted with the node's key using the PRE scheme. Moreover, for the case in which a special group of nodes request the data several times, simultaneously, a group-based key management scheme i provided. Further it is demonstrated using simulations that the proposed PINK scheme can be efficiently applied to the in-vehicle network.
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공과대학 (소프트웨어학부(첨단))
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