Lightweight Implicit Authentication using Sobas Protocol between Sensor Nodes

The Source Based Synchronization (SOBAS) protocol to securely synchronize the events between two networks. From this protocol, the nodes use their local time values as a onetime dynamic key to encrypt each message. During this manner, SOBAS provides an efficient dynamic en-route filtering mechanism, where the malicious data is filtered from the network. With SOBAS, it will able to achieve the foremost goal of synchronizing events at the sink as quickly, as accurately, and as done secretly as possible. This protocol reduces the number of control messages needed for a WSN for providing the key benefits of reduced energy consumption also as reducing the prospect for malicious nodes to eavesdrop, intercept, or be made attentive to the presence of the network. The requirement and employing time synchronization, necessary synchronization are often provided to the WSN application using half the energy needed for traditional schemes. Each analytical and simulation works are presented to verify the feasibility of SOBAS, because the energy consumption of the scheme under normal operation and attack from malicious nodes.