Managing Medical and Insurance Information Through a Smart-Card-Based Information System
Journal of Medical Systems
Password authentication with insecure communication
Communications of the ACM
Examining Smart-Card Security under the Threat of Power Analysis Attacks
IEEE Transactions on Computers
CRYPTO '99 Proceedings of the 19th Annual International Cryptology Conference on Advances in Cryptology
A password authentication scheme over insecure networks
Journal of Computer and System Sciences
An improved smart card based password authentication scheme with provable security
Computer Standards & Interfaces
Provably secure and efficient identification and key agreement protocol with user anonymity
Journal of Computer and System Sciences
An enhanced remote user authentication scheme using smart cards
IEEE Transactions on Consumer Electronics
A Secure Authentication Scheme for Telecare Medicine Information Systems
Journal of Medical Systems
Strong Authentication Scheme for Telecare Medicine Information Systems
Journal of Medical Systems
An Efficient Authentication Scheme for Telecare Medicine Information Systems
Journal of Medical Systems
An Authentication Scheme for Secure Access to Healthcare Services
Journal of Medical Systems
Journal of Medical Systems
A Secure Biometrics-based Authentication Scheme for Telecare Medicine Information Systems
Journal of Medical Systems
Journal of Medical Systems
A Patient Privacy Protection Scheme for Medical Information System
Journal of Medical Systems
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The telecare medicine information system enables or supports health-care delivery services. In order to safeguard patients' privacy, such as telephone number, medical record number, health information, etc., a secure authentication scheme will thus be in demand. Recently, Wu et al. proposed a smart card based password authentication scheme for the telecare medicine information system. Later, He et al. pointed out that Wu et al.'s scheme could not resist impersonation attacks and insider attacks, and then presented a new scheme. In this paper, we show that both of them fail to achieve two-factor authentication as smart card based password authentication schemes should achieve. We also propose an improved authentication scheme for the telecare medicine information system, and demonstrate that the improved one satisfies the security requirements of two-factor authentication and is also efficient.