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A secure and efficient password-based user authentication scheme using smart cards for the integrated EPR information

Tian-Fu Lee¹, I-Pin Chang, Tsung-Hung Lin

¹Department of Medical Informatics, Tzu Chi University, No. 701, Zhongyang Road, Sec. 3, Hualien, 97004, Taiwan, Republic of China, jackytflee@mail.tcu.edu.tw.

Journal of Medical Systems

|April 5, 2013

Summary

This study presents a secure authentication scheme for electronic patient record (EPR) systems, addressing vulnerabilities in previous methods. The new approach enhances patient data security and supports efficient e-medicine services.

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Area of Science:

Health Informatics
Cybersecurity
Information Systems

Background:

Integrated electronic patient record (EPR) information systems are crucial for efficient e-medicine services.
Secure authentication is vital for protecting sensitive patient data and enabling rapid clinical decisions.
Existing authentication schemes, like Wu et al.'s, may have vulnerabilities such as susceptibility to lost smart card and stolen verifier attacks.

Purpose of the Study:

To identify and discuss the security weaknesses in Wu et al.'s password-based user authentication scheme for integrated EPR systems.
To propose a novel, secure, and efficient authentication scheme as an alternative for integrated EPR information systems.
To enhance the protection of electronic patient records and support healthcare professionals in making timely clinical decisions.

Main Methods:

Analysis of security vulnerabilities in existing smart card-based authentication schemes for EPR systems.
Development of a new password-based authentication scheme designed to mitigate identified security flaws.
Comparative evaluation of the proposed scheme against related authentication approaches in terms of security and efficiency.

Main Results:

The proposed authentication scheme effectively addresses security vulnerabilities, including lost smart card and stolen verifier attacks.
The new scheme demonstrates a lower computational cost compared to existing methods.
The proposed scheme eliminates the need for verifier tables, simplifying user secret management.

Conclusions:

The developed authentication scheme offers a more secure and efficient alternative for integrated EPR information systems.
Enhanced security for electronic patient records is achieved, bolstering patient data confidentiality.
The scheme supports improved usability for healthcare professionals by providing robust and reliable access to patient information.