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01.12.2014 | Patient Facing Systems | Ausgabe 12/2014

Journal of Medical Systems 12/2014

An Efficient Biometric and Password-Based Remote User Authentication using Smart Card for Telecare Medical Information Systems in Multi-Server Environment

Zeitschrift:
Journal of Medical Systems > Ausgabe 12/2014
Autoren:
Tanmoy Maitra, Debasis Giri
Wichtige Hinweise
This article is part of the Topical Collection on Patient Facing Systems

Abstract

The medical organizations have introduced Telecare Medical Information System (TMIS) to provide a reliable facility by which a patient who is unable to go to a doctor in critical or urgent period, can communicate to a doctor through a medical server via internet from home. An authentication mechanism is needed in TMIS to hide the secret information of both parties, namely a server and a patient. Recent research includes patient’s biometric information as well as password to design a remote user authentication scheme that enhances the security level. In a single server environment, one server is responsible for providing services to all the authorized remote patients. However, the problem arises if a patient wishes to access several branch servers, he/she needs to register to the branch servers individually. In 2014, Chuang and Chen proposed an remote user authentication scheme for multi-server environment. In this paper, we have shown that in their scheme, an non-register adversary can successfully logged-in into the system as a valid patient. To resist the weaknesses, we have proposed an authentication scheme for TMIS in multi-server environment where the patients can register to a root telecare server called registration center (RC) in one time to get services from all the telecare branch servers through their registered smart card. Security analysis and comparison shows that our proposed scheme provides better security with low computational and communication cost.

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