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Abstract

With the increasing number of ECUs used automobiles, the transmission capacity of Controller Area Network (CAN), is becoming insufficient. The new protocol; CAN With Flexible Data Rate (CAN-FD), presented by Bosch GmbH, is viewed as a next generation standard.


Recently, the number of attacks on automotive ECUs connected to CAN has been increasing, and from the viewpoint of CAN security there has been much discussion of improved security. However, with regard to CAN-FD, which is an expansion of CAN, although an evaluation of security is needed it has not been addressed.


This paper reports on the use of the fuzzing tool beSTORM to investigate the vulnerability of the CAN-FD protocol. We also aim at practical application
by measuring the transmission time for beSTORM test data and by estimating the time required for CAN-FD fuzzing tests.


This work was supported by Ministry of Internal Affairs and Communications (MIC) in Japan, Strategic Information and Communications R&D Promotion Programme (SCOPE)Authors

Ryosuke Nishimura
Ryo Kurachi
Kazumasa Ito
Takashi Miyasaka
Masaki Yamamoto
Miwako MishimaContributors

Graduate School of Engineering, Gifu University, Japan
Graduate School of Information Science, Naogya University, Japan
Aiuto, Ltd.,JapanContent

I. INTRODUCTION
a. Background of the Current Research
b. The organization of this paper

II. CAN AND CAN-FD
a. Controller Area Network(CAN)
b. Controller Area Network(CAN) with Flexible Data-Rate

III.CAN AND CAN-FD PROTOCOLS FOR BESTORM
a. beSTORM
b. Development of the CAN-FD Interface
c. CAN/CAN-FD Protocol Module

IV. CAN-FD FUZZING TEST
a. Experimental Environment
b. Experimental Method

V. MEASUREMENT OF THE PROCESSING TIME AND ANALYSIS OF THE RESULTS
a. Measurement of the Time Required to Transmit One Item of Fuzzing Data
b. Measurement of the Time Required for a Complete Fuzzing Test

VI. CONCLUSION ACKNOWLEDGMENT REFERENCES