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A powerful adversary model and corresponding OTP time slot allocation scheme in RIS-assisted physical layer key generation

Eurasip Journal on Wireless Communications and Networking, ISSN: 1687-1499, Vol: 2024, Issue: 1
2024
  • 1
    Citations
  • 0
    Usage
  • 5
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    1
  • Captures
    5
  • Mentions
    1
    • News Mentions
      1
      • 1

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Data on Wireless Communications Described by Researchers at Southeast University (A powerful adversary model and corresponding OTP time slot allocation scheme in RIS-assisted physical layer key generation)

2024 JUL 26 (NewsRx) -- By a News Reporter-Staff News Editor at Network Daily News -- Investigators discuss new findings in wireless communications. According to

Article Description

Physical layer key generation (PLKG) is a technique of information-theoretic security to tackle the problem of key distribution between resource-constrained legitimate users and is a promising candidate for the one time pad (OTP) technique. However, in quasi-static, the key rate is greatly limited due to low entropy. Reconfigurable intelligent surface (RIS) is introduced to adaptively reconfigure the radio environment. However, how to allocate time slots in the OTP to counter the increasingly powerful adversary model is an urgent problem to be solved. In this paper, we propose a very powerful adversary model and give an attack strategy called eavesdropping channel search, which allows Eve to use its search and eavesdropping capabilities to maximize the probability of successful attacks. Meanwhile, we propose a time slot allocation algorithm in the OTP to ensure the security of the key. Simulations validate that our proposed attack strategy is more powerful than any existing adversary model and our proposed time slot allocation algorithm does not have any security loss.

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