Trusted and Efficient Cross-Domain Access Control System Based on Blockchain

Algorithm 10

addAHL.

(1)	Input: uID||devID||op
(2)	output: bool
(3)	% add a permitted access request on the AHL.
(4)	ahList = getAHL();
(5)	if ahList.isNoexist (uID||devID||op) then
(6)	ahList.push (uID||devID||op);
(7)	return 0;