Vampire Attack Mitigation and Network Performance Improvement Using Probabilistic Fuzzy Chain Set with Authentication Routing Protocol and Hybrid Clustering-Based Optimization in Wireless Sensor Network

Algorithm 2

CF (cluster formation).

(1)	Input
(2)	Output (CH_list)
(3)	For each node do
(4)	If Head =  Head
(5)	If . Type = “” && . . Type “Awake.”
(6)	Evaluate less distance from non-CH to CHs
(7)	If av_energy && . Neighbour Neighbour
(8)	. Type =  “.”
(9)	CH_list store
(10)	Broadcast packet type 3
(11)	Else Type = “.”
(12)	End for