2,083 research outputs found
Automotive Ethernet architecture and security: challenges and technologies
Vehicle infrastructure must address the challenges posed by today's advances toward connected and autonomous vehicles. To allow for more flexible architectures, high-bandwidth connections and scalability are needed to connect many sensors and electronic control units (ECUs). At the same time, deterministic and low latency is a critical and significant design requirement to support urgent real-time applications in autonomous vehicles. As a recent solution, the time-sensitive network (TSN) was introduced as Ethernet-based amendments in IEEE 802.1 TSN standards to meet those needs. However, it had hurdle to be overcome before it can be used effectively. This paper discusses the latest studies concerning the automotive Ethernet requirements, including transmission delay studies to improve worst-case end-to-end delay and end-to-end jitter. Also, the paper focuses on the securing Ethernet-based in-vehicle networks (IVNs) by reviewing new encryption and authentication methods and approaches
LEAP: A Lightweight Encryption and Authentication Protocol for In-Vehicle Communications
The Controller Area Network (CAN) is considered as the de-facto standard for
the in-vehicle communications due to its real-time performance and high
reliability. Unfortunately, the lack of security protection on the CAN bus
gives attackers the opportunity to remotely compromise a vehicle. In this
paper, we propose a Lightweight Encryption and Authentication Protocol (LEAP)
with low cost and high efficiency to address the security issue of the CAN bus.
LEAP exploits the security-enhanced stream cipher primitive to provide
encryption and authentication for the CAN messages. Compared with the
state-of-the-art Message Authentication Code (MAC) based approaches, LEAP
requires less memory, is 8X faster, and thwarts the most recently proposed
attacks.Comment: 7 pages, 9 figures, 3 table
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