An SETM Algorithm for Combating SSDF Attack in Cognitive Radio Networks

Algorithm 2

Input: , , , , ,

Output: Cumulative trust calculation and inference about SU_i

 (1) Calculate the past events trust using equation (10)

 (2) Calculate the participation trust using equation (11)

 (3) Calculate the requite trust using equation (12)

 (4) Calculate the reliability trust using equation (13)

 (5) Find the cumulative Trust using equation (14)

 (6) If , then SU_i = Genuine  else SU_i = Random malicious attacker