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An improved biometrics-based remote user authentication scheme with user anonymity.

Muhammad Khurram Khan1, Saru Kumari2

  • 1King Saud University, P.O. Box 92144, Riyadh 11653, Saudi Arabia.

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|December 19, 2013
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Summary
This summary is machine-generated.

This study identifies security flaws in An's 2012 biometrics-based user authentication scheme. An improved, more secure scheme is proposed, offering enhanced features like password change and user anonymity with minimal computational overhead.

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Area of Science:

  • Computer Science
  • Information Security
  • Biometrics

Background:

  • Biometrics-based user authentication schemes are crucial for secure access.
  • An's 2012 scheme, while innovative, presented potential security vulnerabilities.
  • Addressing these vulnerabilities is essential for robust authentication systems.

Purpose of the Study:

  • To critically review An's 2012 biometrics-based user authentication scheme.
  • To identify and address security loopholes within An's proposed scheme.
  • To develop and validate an improved authentication scheme offering enhanced security and features.

Main Methods:

  • Security analysis of An's original scheme.
  • Development of a revised authentication protocol.
  • Rigorous security evaluation and performance comparison of the proposed scheme.

Main Results:

  • An's scheme was found to contain exploitable security loopholes.
  • The proposed improved scheme effectively mitigates identified vulnerabilities.
  • The enhanced scheme offers additional benefits such as password flexibility and user anonymity.

Conclusions:

  • The improved biometrics-based authentication scheme provides superior security over An's original design.
  • The proposed scheme achieves enhanced security and functionality with a marginal increase in computational cost (two hash operations).
  • The enhanced scheme supports user privacy through anonymity and untraceability features.