New Efficient and Secured Authentication Protocol for Remote Healthcare Systems in Cloud-IoT

Table 1

Notations and their significations.

Symbol	Signification
	User (medical professional)
	User’s identity
	User’s password
	The sensor node
	Gateway node
	Identity of sensor node
	Cloud server
	Secret key of CS
	Shared session key between CS and
	The current time
	High entropy random numbers
	Hash function
	XOR operator
||	Concatenation operator