Security for Multihop Wireless Networks

492  ◾  Security for Multihop Wireless Networks

18.5.2.3 Social Trust in OppNets

Trust in opportunistic nodes is a function of previous transactions and node repu-

tation. Social trust is based on node authenticity, fairness of social group, and the

network connectivity factor. e degree of trust using explicit and implicit methods

for social OppNets [23] is based on the distributed approach and use quality of the

service features to forward the data packets. In the explicit method, the degree of trust

is a function of trusted members to identify the malicious nodes and verify the hop

count. Network sessions share the degree of trust with maximum number of com-

mon interest nodes in the network. In the implicit method, the degree of trust is a ...