CL-BC: A Secure Data Storage Model for Social Networks

Algorithm 3Auth().

	Input:
	Output: Resp
(1)	def {} ← Sort();
(2)	def ← h(t | );
(3)	def ← derived from (5);
(4)	Broadcast event Verify ();
(5)	for in range (1, f+1)
(6)	if > = n-f then
(7)	Resp = = “YES”;
(8)	else if > = f+1 then
(9)	Verify node download ;
(10)	Get(H(t|| )) ← Decrypt();
(11)	if H(t || )) = =  ;
(12)	Broadcast event y() ← y();
(13)	Resp = = “YES”;
(14)	else Resp = = “NO”;
(15)	end if;
(16)	end for;