期刊
JOURNAL OF MEDICAL SYSTEMS
卷 38, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1007/s10916-014-0136-8
关键词
Three-factor authentication; Anonymity; Biometric; Key agreement; Telecare medicine information system; Security
Nowadays, with comprehensive employment of the internet, healthcare delivery services is provided remotely by telecare medicine information systems (TMISs). A secure mechanism for authentication and key agreement is one of the most important security requirements for TMISs. Recently, Tan proposed a user anonymity preserving three-factor authentication scheme for TMIS. The present paper shows that Tan's scheme is vulnerable to replay attacks and Denial-of-Service attacks. In order to overcome these security flaws, a new and efficient three-factor anonymous authentication and key agreement scheme for TMIS is proposed. Security and performance analysis shows superiority of the proposed scheme in comparison with previously proposed schemes that are related to security of TMISs.
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