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Lightweight Security Transmission in Wireless Sensor Networks through Information Hiding and Data Flipping.

Lan Zhou1, Ming Kang1, Wen Chen1

  • 1School of Cyber Science and Engineering, Sichuan University, Chengdu 610065, China.

Sensors (Basel, Switzerland)
|February 15, 2022
PubMed
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This study introduces a novel, power-efficient security method for wireless sensor networks (WSNs). It uses information hiding and random data flipping to protect data confidentiality against eavesdroppers, outperforming traditional encryption.

Area of Science:

  • Computer Science
  • Electrical Engineering
  • Cybersecurity

Background:

  • Wireless sensor networks (WSNs) are vulnerable to data interception due to their open nature and limited resources.
  • Ensuring data confidentiality in WSNs requires highly efficient security mechanisms.

Purpose of the Study:

  • To propose a lightweight security transmission method for confidential data communication in WSNs over insecure links.
  • To ensure data confidentiality for the ally fusion center (AFC) while preventing the enemy fusion center (EFC) from accessing sensitive information.

Main Methods:

  • A novel method combining information hiding and random data flipping is proposed.
  • Sensors code local measurements into binary strings, then flip parts of the string using a pseudo-random function before transmission.
Keywords:
distributed detectioninformation hidinglikelihood ratio testpseudo-random functionwireless sensor network

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  • The AFC uses the same pseudo-random function to recover flipped binaries and extract hidden measurements.

    • Main Results:

    • The proposed method effectively ensures confidential data transmission, preventing unauthorized access by the EFC.
    • Simulations and physical experiments validated the scheme's security and anti-interference capabilities.
    • Power consumption tests demonstrated that the method is more efficient than traditional digital encryption methods.

    Conclusions:

    • The developed lightweight security transmission method enhances data confidentiality in WSNs.
    • The technique offers a practical and power-efficient solution for secure data communication in resource-constrained WSN environments.
    • The method provides robust security against eavesdropping and maintains data integrity.