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Area of Science:

  • Computer Engineering
  • Hardware Security
  • Robotics

Background:

  • Clock signal manipulation poses a significant threat to the integrity of communication protocols.
  • The Inter-Integrated Circuit (I2C) protocol is widely used but susceptible to specific hardware attacks.
  • Understanding these vulnerabilities is critical for developing secure embedded systems.

Purpose of the Study:

  • To investigate a specific hardware attack targeting the clock signal within the I2C protocol.
  • To design and propose a novel sensor for detecting and mitigating clock signal perturbations.
  • To validate the effectiveness of the proposed defense mechanism through experimental analysis.

Main Methods:

  • Analysis of clock signal vulnerability in the I2C protocol.
  • Design and implementation of a custom sensor for attack detection.
  • Utilization of a configurable experimental platform emulating a differential drive robot for validation.
  • Experimental testing to assess attack impact and defense efficacy.

Main Results:

  • Confirmed the existence and impact of clock signal attacks on I2C communication.
  • Demonstrated the successful detection of clock signal perturbations by the proposed sensor.
  • Validated the sensor's effectiveness in defending against the targeted hardware attacks.
  • Experimental results highlight the practical relevance of the identified vulnerabilities.

Conclusions:

  • The study successfully identified and characterized a clock signal vulnerability in the I2C protocol.
  • The developed sensor provides an effective defense against this specific type of hardware attack.
  • The findings contribute to enhancing the security of systems employing the I2C protocol, particularly in robotic applications.