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

Algorithm 1

Ingoing authentication.

Input: and
Output: or .
(1)	Get ’s certificate in the blockchain
(2)	Extract ’s public key from
(3)	if is valid by using then
(4)	Construct a transfer from to
(5)
(6)	return
(7)	end if
(8)	return