Provably secure certificateless protocol for wireless body area network

Wireless body area networks are gaining popularity due to their innovative applications such as timely analysis, remote monitoring of patients’ health, and high patient care quality. However, these healthcare systems that carry patient’s physiological data need special attention for the security privacy information. Due openness transmitted data, system gets prone several adverse attacks. In this paper, a provably secure is proposed based on elliptic curve cryptosystem. The goal enable confidentiality sensitive information by designing certificateless authenticated key agreement protocol with low computational cost higher security. scheme achieves anonymity, resistance escrow problems, mutual authentication between sensor nodes attached patients application provider. Furthermore, undergoes formal analysis using random oracle model, soundness validated ProVerif. Finally, performance depicts efficient compared existing methods.