Cryptanalysis and improvement of a secure communication protocol for smart healthcare system Online publication date: Tue, 14-Jan-2025
by Devender Kumar; Deepak Kumar Sharma; Parth Jain; Sumit Bhati; Amit Kumar
International Journal of Information and Computer Security (IJICS), Vol. 25, No. 3/4, 2024
Abstract: There are many applications based on wireless technology and cloud computing in various fields. One such field that uses this technology is telemedicine or mobile healthcare. But with an increase in usage, these systems should be protected efficiently. Security is the greatest concern in this field. Recently, Sureshkumar et al. have proposed a protocol for a smart healthcare system, which uses three-factor authentication. Here we cryptanalyse their scheme and find that it cannot withstand against the user impersonation attack, denial of service attack, privileged insider attack and gateway impersonation. To overcome these weaknesses, we propose an authentication protocol for smart healthcare system. To validate our claim, we use the ProVerif tool for formal security verification and compare our protocol with some related schemes. We also show that the proposed protocol is more secure and efficient than the related schemes.
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