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A secure and efficient handover authentication protocol for wireless networks.

Weijia Wang1, Lei Hu2

  • 1School of Science, Beijing Jiaotong University, Beijing 100044, China. wangwj@bjtu.edu.cn.

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Summary
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This study reviews the PairHand protocol for wireless networks, identifies security vulnerabilities, and introduces a novel, provably secure handover authentication protocol for enhanced network access control.

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Area of Science:

  • Computer Science
  • Network Security
  • Cryptography

Background:

  • Handover authentication protocols are crucial for secure access in Wireless Local Area Networks (WLANs) and mobile wireless sensor networks.
  • The PairHand protocol offers efficient authentication but faces known security challenges.
  • Existing improvements to PairHand have been analyzed for their effectiveness against evolving threats.

Purpose of the Study:

  • To critically review the PairHand protocol, detailing its security vulnerabilities and prior enhancement attempts.
  • To introduce an advanced key recovery attack, assessing its impact on the improved PairHand protocol.
  • To propose a new handover authentication protocol offering both efficiency and provable security.

Main Methods:

  • Literature review of existing handover authentication protocols, focusing on PairHand.
  • Development and application of an improved key recovery attack using linear combination methods.
  • Formal security analysis of the proposed protocol in the random oracle model.

Main Results:

  • Identified and analyzed security weaknesses in the PairHand protocol and its subsequent improvements.
  • Demonstrated the feasibility of an enhanced key recovery attack against the improved PairHand protocol.
  • Developed a novel handover authentication protocol that matches PairHand's efficiency.

Conclusions:

  • The PairHand protocol, despite its efficiency, remains susceptible to sophisticated attacks.
  • The proposed new protocol provides a secure and efficient alternative for handover authentication in wireless networks.
  • Provable security in the random oracle model validates the robustness of the new protocol against various attacks.