BlockREV: Blockchain-Enabled Multi-Controller Rule Enforcement Verification in SDN

Algorithm 1

Registration of a switch.

	Input: : identity of ;
	: domain serial number, ;
	: index value of the switch in , ;
	: master key of the system;
	: registration timestamp of ;
	: entity registration list;
	Output: : partial private key of ;
(1)	selects a random number as a secret value and computes its public key
	and address .
(2)	sends to ;
(3)	checks
(4)	if or or then
(5)	return fails;
(6)	else
(7)	computes: ; ; saves into .
(8)	end if
(9)	return ;