A Lightweight Authentication Scheme Based on Consortium Blockchain for Cross-Domain IoT

Table 1

Key notations.

Notations	Description
	The th entity of domain
and	Trusted authority of domain and
and	Public key and private key of entity/TA
and	Identity and certificate of entity/TA
	Signature function by entity/TA
	Hash function
	Concatenate operation
	A large prime
	Curve base field,
	Curve equation over
	Parameters of curve equation,
	Curve base point
	Curve order