A Certificateless-Based Authentication and Key Agreement Scheme for IIoT Cross-Domain

Table 1

Description of notations.

Notation	Description
	A cyclic group of order
	The generator of group
	Bilinear map
	Hash function
	Signature function
	The system public parameters
	The public/private key of entity or
	The entity of domain
	Unique identification
	The anonymous identity of entity
	The key generation center of domain
	The blockchain agent server of domain