Password authentication with insecure communication
Communications of the ACM
Handbook of Applied Cryptography
Handbook of Applied Cryptography
Examining Smart-Card Security under the Threat of Power Analysis Attacks
IEEE Transactions on Computers
A new method for using hash functions to solve remote user authentication
Computers and Electrical Engineering
A public key cryptosystem and a signature scheme based on discrete logarithms
IEEE Transactions on Information Theory
A new remote user authentication scheme using smart cards
IEEE Transactions on Consumer Electronics
An efficient remote use authentication scheme using smart cards
IEEE Transactions on Consumer Electronics
Cryptanalysis of a remote user authentication scheme using smart cards
IEEE Transactions on Consumer Electronics
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In recent years, the increased availability of lower-cost telecommunications systems and customized patients monitoring devices made it possible to bring the advantages of telemedicine directly into the patient's home. These telecare medicine information systems enable health-care delivery services. These systems are moving towards an environment where automated patient medical records and electronically interconnected telecare facilities are prevalent. Authentication, security, patient's privacy protection and data confidentiality are important for patient or doctor accessing to Electronic Medical Records (EMR). A secure authentication scheme will be required to achieve these goals. Many schemes based on cryptography have been proposed to achieve the goals. However, many schemes are vulnerable to various attacks, and are neither efficient, nor user friendly. Specially, in terms of efficiency, some schemes are resulting in high time cost. In this paper we propose a new authentication scheme that is using the precomputing to avoid the time-consuming exponential computations. Finally, it is shown to be more secure and practical for telecare medicine environments.