In modern secure Wireless Sensor Networks (WSN), the sensor-nodes need extra energy owing to secure transmission of perceived information. So the energy-utilization of sensor-node should calculate while transfer the sensed-attributes securely to network. In this experimentation, we are proposing a revised Low Energy Adaptive Clustering Hierarchy (LEACH) protocol as LEATCH along secure information transmission (privacy and node authentication) in various levels using Quality of Protection Modeling Language (QoPML), which balance the Security-Energy trade-offs. This research experimentally analyzes the impact of data privacy, authentication operations on energy-utilization at sensor-node level while applying a LEACH & LEATCH. The obtained outcomes indicate the optimized LEATCH is outperforming correlated to the basic Leach with respect to minimal energy-utilization, time efficiency and expands lifetime of modern-secure-WSNs.

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