Updating A Secret Key for MAC Implemented on CAN Using Broadcast Encryption Scheme

Tomoya Tatara; Hiroto Ogura; Yuta Kodera; Takuya Kusaka; Yasuyuki Nogami

doi:10.1109/ITC-CSCC.2019.8793298

Updating A Secret Key for MAC Implemented on CAN Using Broadcast Encryption Scheme

Tomoya Tatara, Hiroto Ogura, Yuta Kodera, Takuya Kusaka, Yasuyuki Nogami

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In recent years, CAN is spread widely as the in-vehicle network. However, CAN protocol does not guarantee the security for traffics against falsification and spoofing. Therefore, the MAC is required for CAN so as to communicate exactly. MAC is the countermeasure for falsification and spoofing using the secret key. The problem is a method of delivering the secret key securely. This paper proposes a method to update the secret key using broadcast encryption over a non-supersingular elliptic curve. The method is implemented on Raspberry Pi and experimentally find out to be able to update the secret key efficiently.

Original language	English
Title of host publication	34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781728132716
DOIs	https://doi.org/10.1109/ITC-CSCC.2019.8793298
Publication status	Published - Jun 2019
Event	34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019 - JeJu, Korea, Republic of Duration: Jun 23 2019 → Jun 26 2019

Publication series

Name	34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019

Conference

Conference	34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019
Country	Korea, Republic of
City	JeJu
Period	6/23/19 → 6/26/19

Keywords

CAN
MAC
broadcast encryption
high-functional encryption
pairing-based cryptography

ASJC Scopus subject areas

Information Systems
Electrical and Electronic Engineering
Artificial Intelligence
Computer Networks and Communications
Hardware and Architecture

Access to Document

10.1109/ITC-CSCC.2019.8793298

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Cite this

Tatara, T., Ogura, H., Kodera, Y., Kusaka, T., & Nogami, Y. (2019). Updating A Secret Key for MAC Implemented on CAN Using Broadcast Encryption Scheme. In 34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019 [8793298] (34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ITC-CSCC.2019.8793298

Updating A Secret Key for MAC Implemented on CAN Using Broadcast Encryption Scheme. / Tatara, Tomoya; Ogura, Hiroto; Kodera, Yuta ; Kusaka, Takuya ; Nogami, Yasuyuki.

34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019. Institute of Electrical and Electronics Engineers Inc., 2019. 8793298 (34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tatara, T, Ogura, H, Kodera, Y , Kusaka, T & Nogami, Y 2019, Updating A Secret Key for MAC Implemented on CAN Using Broadcast Encryption Scheme. in 34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019., 8793298, 34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019, Institute of Electrical and Electronics Engineers Inc., 34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019, JeJu, Korea, Republic of, 6/23/19. https://doi.org/10.1109/ITC-CSCC.2019.8793298

Tatara T, Ogura H, Kodera Y , Kusaka T , Nogami Y. Updating A Secret Key for MAC Implemented on CAN Using Broadcast Encryption Scheme. In 34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019. Institute of Electrical and Electronics Engineers Inc. 2019. 8793298. (34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019). https://doi.org/10.1109/ITC-CSCC.2019.8793298

Tatara, Tomoya ; Ogura, Hiroto ; Kodera, Yuta ; Kusaka, Takuya ; Nogami, Yasuyuki. / Updating A Secret Key for MAC Implemented on CAN Using Broadcast Encryption Scheme. 34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019. Institute of Electrical and Electronics Engineers Inc., 2019. (34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019).

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abstract = "In recent years, CAN is spread widely as the in-vehicle network. However, CAN protocol does not guarantee the security for traffics against falsification and spoofing. Therefore, the MAC is required for CAN so as to communicate exactly. MAC is the countermeasure for falsification and spoofing using the secret key. The problem is a method of delivering the secret key securely. This paper proposes a method to update the secret key using broadcast encryption over a non-supersingular elliptic curve. The method is implemented on Raspberry Pi and experimentally find out to be able to update the secret key efficiently.",

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