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An efficient blockchain-based authentication scheme with transferability.

Xiushu Jin1, Kazumasa Omote2

  • 1Graduate School of Science and Technology, University of Tsukuba, Tsukuba, Japan.

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Summary
This summary is machine-generated.

This study introduces a novel, gas-efficient user authentication scheme using only hash functions, addressing limitations of blockchain-based systems. It enhances security and reduces computational costs for web applications.

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Web Technologies

Background:

  • Traditional web application authentication relies on trusted third parties, posing risks like single points of failure and credential leaks.
  • Existing blockchain-based authentication solutions offer improved availability and auditability but suffer from high gas consumption for permission transfers.
  • Secure authorization and restricted transfer of authentication permissions are critical to prevent security breaches.

Purpose of the Study:

  • To propose a novel user authentication scheme that overcomes the high gas consumption associated with blockchain-based solutions.
  • To enhance the security, availability, and auditability of web application user authentication.
  • To develop a transferability mechanism for authentication permissions that is both secure and computationally efficient.

Main Methods:

  • Developed a new authentication scheme leveraging solely hash functions, avoiding complex blockchain computations.
  • Integrated one-time passwords with the Hashcash algorithm to limit permission transfer frequency and maintain security.
  • Deployed smart contracts for the proposed scheme on the Goerli test network for practical validation.

Main Results:

  • The proposed hash-function-based authentication scheme demonstrates significantly lower computational complexity and gas consumption compared to existing blockchain solutions.
  • The integration of one-time passwords and Hashcash effectively limits permission transfers while ensuring robust security.
  • Deployment on the Goerli test network confirmed the scheme's practicality and efficiency in real-world scenarios.

Conclusions:

  • The novel authentication scheme offers a secure, efficient, and cost-effective alternative for web application user authentication.
  • Hash-function-based approaches provide a viable solution to mitigate the gas consumption challenges in blockchain-enabled authentication.
  • The demonstrated practicality and efficiency pave the way for wider adoption of this enhanced authentication method.