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  1. Home
  2. A Domain Key-based Secure Some/ip Protocol.
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  2. A Domain Key-based Secure Some/ip Protocol.

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A domain key-based secure SOME/IP protocol.

Jaewoong Heo1, Hyunghoon Kim2, Hyojin Jo2

  • 1School of Software, Soongsil University, Seoul, South Korea.

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|September 5, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

This study introduces a domain key-based security protocol for SOME/IP middleware in vehicles. It enhances security against attacks without critical performance degradation, improving automotive network safety.

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Area of Science:

  • Automotive Cybersecurity
  • In-vehicle Networking Protocols
  • Middleware Security

Background:

  • Advanced Driver Assistance Systems (ADAS) increase in-vehicle data, straining Controller Area Network (CAN) bandwidth.
  • Automotive Ethernet and SOME/IP (Scalable Service-Oriented Middleware over IP) are emerging for high-speed data transmission.
  • Existing SOME/IP security lacks robust protection against node compromise and single points of failure.

Purpose of the Study:

  • To propose a novel domain key-based secure SOME/IP protocol.
  • To address limitations of existing group key and pairwise key security approaches.
  • To enhance the security of automotive middleware against sophisticated cyber threats.

Main Methods:

  • Development of a domain key-based security protocol for SOME/IP.
  • Analysis of security against node compromise and single point of failure vulnerabilities.
  • Experimental evaluation of the proposed protocol's performance impact.
  • Main Results:

    • The proposed domain key approach limits the impact of node compromise attacks.
    • Eliminates the single point of failure issue inherent in authentication server-dependent methods.
    • Demonstrates a modest increase in session establishment time (5-10 ms) and message transmission time (up to 115 ms) compared to group key methods.

    Conclusions:

    • The domain key-based secure SOME/IP protocol offers enhanced security for automotive networks.
    • It effectively mitigates key vulnerabilities without introducing critical performance bottlenecks.
    • This provides a more resilient and secure middleware solution for modern vehicles with ADAS.