An Energy-Efficient Multi-Layer Secure Routing Protocol for Post-Quantum Cryptographic Networks in Internet of Medical Things (IoMT)
Abstract
With IoMT, healthcare is being changed rapidly by allowing data from patients to be monitored and managed remotely. But the fact that IoMT devices have weak resources, need strict timing and send sensitive data makes it challenging to secure and operate efficiently. As quantum computers are almost ready to break conventional cryptography, it is important to create post-quantum cryptographic methods for the IoMT. The paper introduces an Energy-Saving, Layered and Safe Routing Protocol (EEMSRP) for use in post-quantum cryptographic networks in the IoMT. It includes several layers of security, using lattice-based post-quantum cryptography and improved routing methods to cut back on energy use. The framework uses hierarchical architecture to organize devices, adopts clustering and relies on lightweight algorithms for post-quantum key exchange. Results from simulations find that EEMSRP is able to save up to 30% of the energy used by existing quantum-resistant protocols, but still remains secure against eavesdropping, man-in-the-middle attacks and quantum-based cryptanalysis. Because of its multi-layer defense, the protocol guarantees the privacy, accuracy and continued accessibility of IoMT data. This research provides a base for upcoming secure and power-efficient communication standards in the post-quantum world, which is important for guarding private medical details and guaranteeing reliable IoMT use.
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