Abstract:
In zero-power communication scenarios, traditional complex security mechanisms are no longer applicable due to power consumption and resource constraints. A lightweight security protocol based on the enhanced Hamming distance and using the transmitter charge to achieve identity authentication is proposed. By adding device summary information to the backscattered data, the identity of the receiver to the transmitter is realized. The experimental results show that the calculation overhead of the protocol in the terminal is equivalent to three hash operations, and the storage overhead and communication overhead are smaller than the existing lightweight authentication protocols and are suitable for light-weight IoT devices with highly limited resources.