J Med Syst - An efficient biometric and password-based remote user authentication using smart card for Telecare Medical Information Systems in multi-server environment.

Tópicos

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Resumo

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.

Resumo Limpo

medic organ introduc telecar medic inform system tmis provid reliabl facil patient unabl go doctor critic urgent period can communic doctor medic server via internet home authent mechan need tmis hide secret inform parti name server patient recent research includ patient biometr inform well password design remot user authent scheme enhanc secur level singl server environ one server respons provid servic author remot patient howev problem aris patient wish access sever branch server hesh need regist branch server individu chuang chen propos remot user authent scheme multiserv environ paper shown scheme nonregist adversari can success loggedin system valid patient resist weak propos authent scheme tmis multiserv environ patient can regist root telecar server call registr center rc one time get servic telecar branch server regist smart card secur analysi comparison show propos scheme provid better secur low comput communic cost

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