Figure 3
From: Distributed KDC-Based Random Pairwise Key Establishment in Wireless Sensor Networks

The number of preloaded root keys versus the number of preloaded initial keys varying with the number of common auxiliary nodes.
From: Distributed KDC-Based Random Pairwise Key Establishment in Wireless Sensor Networks
The number of preloaded root keys versus the number of preloaded initial keys varying with the number of common auxiliary nodes.