REAS-TMIS: Resource-Efficient Authentication Scheme for Telecare Medical Information System
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Date
2022Author
Tanveer, MuhammadKhan, Abd Ullah
Alkhayyat, Ahmed
Chaudhry, Shehzad Ashraf
Bin Zikria, Yousaf
Kim, Sung Won
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The phenomenal growth of smartphones and wearable devices has begun crowd-sourcing applications for the Internet of Things (IoT). E-healthcare is considered the essential service for crowd-sourcing
IoT applications that help remote access or storage medical server (MS) data to the authorized doctors,
patients, nurses, etc., via the public Internet. As the public Internet is exposed to various security attacks,
remote user authenticated key exchange (AKE) has become a pressing need for the secure and reliable use of
these services. This paper proposes a new resource-efficient AKE scheme for telecare medical information
systems, called REAS-TMIS. It uses authenticated encryption with associative data (AEAD) and a hash
function. AEAD schemes are devised specifically for encrypted communication among resource-constricted
IoT devices. These features of AEAD make REAS-TMIS resource-efficient. Moreover, REAS-TMIS
dispenses with the elliptic curve point multiplication and chaotic map that are computationally expensive
operations. In addition, REAS-TMIS renders the functionality of session key (SK) establishment for
future encrypted communication between MS and users after validating the authenticity of the user. The
security of SK is corroborated employing the well establish random oracle model. Moreover, Scyther-based
security corroboration is implemented to show that REAS-TMIS is secure, and informal security analysis
is executed to show the resiliency of REAS-TMIS against various security attacks. Besides, a thorough
analysis shows that REAS-TMIS, while accomplishing the authentication phase, requires less computational,
communication, and storage resources than the related authentication protocol.
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