Lightweight and Anonymous Mutual Authentication Protocol for Edge IoT Nodes with Physical Unclonable Function

Table 1

Symbols and descriptions.

Symbols	Descriptions
Di	The identity of the IoT device
TDi	The one-time temporary identity of IoT device
RTi	The registration time
Ti	The current timestamp
	The challenge-response pair
(Ni)	The nonce generated by the IoT device
(Ns)	The nonce generated by the server
	The session key
	The physical unclonable function
Gen(.)	The key generation algorithm of the fuzzy extractor
Rec(.)	The reconstruction algorithm of the fuzzy extractor
	The secure one-way hash function
	The concatenation operation
	The XOR operation