Enhanced Authentication Protocol for the Internet of Things Environment

Table 1

Notations used in the proposed protocol.

Notations	Descriptions
,	IoT device, server
	th IoT device
	Identity of
	pseudo identity
	password
	Private key of
	Shared key between and
	Response pair of
	Physically unclonable function
	Nonce generated by and
	Private communication channel
	Public communication channel
	The adversary
	Bitwise XOR operation, concatenation operator
	Session key