This paper introduces a method for unsupervised tokenization of Controller Area Network (CAN) data payloads using bit level transition analysis and a greedy grouping strategy. The primary goal of this proposal is to extract individual time series which have been concatenated together before transmission onto a vehicle's CAN bus. This process is necessary because the documentation for how to properly extract data from a network may not always be available; passenger vehicle CAN configurations are protected as trade secrets. At least one major manufacturer has also been found to deliberately misconfigure their documented extraction methods. Thus, this proposal serves as a critical enabler for robust third-party security auditing and intrusion detection systems which do not rely on manufacturers sharing confidential information.
Unsupervised Time Series Extraction from Controller Area Network Payloads
01.08.2018
262207 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Single Board Controller for Spaceflight Payloads
British Library Conference Proceedings | 1998
|Single board controller for spaceflight payloads
American Institute of Physics | 1998
|STS-85: PAYLOADS, PAYLOADS AND MORE PAYLOADS
Online Contents | 1997
|NTRS | 1973
|Wiley | 2012
|