LAAP: Lightweight Anonymous Authentication Protocol for IoT Edge Devices Based on Elliptic Curve

Table 1

List of the related notations.

Notation	Description
	The device and its device
	Cloud server
	Cloud server symmetric key
	Server public key, private key
	Device pseudonym identification
	Updated pseudonym identification
	Device real identity
	Device updated real identity
	Server sync value
	Random number
	Cyclic additive group of order
	Device-side hash chain value
	Server-side hash chain value
	One-way hash function
	Connect operation
	Session key