Performance Evaluation of Hybrid Post-Quantum Cryptographic Frameworks in 6G Military Networks

The Quantum computing break classical cryptographic algorithms such as RSA and ECC that are widely used in military communication systems. At the same time the 6G networks require very low latency, high reliability, and support for many connected devices. Therefore, secure and efficient communication is very important. This paper implements the performance of hybrid post-quantum cryptographic (PQC) frameworks in 6G military networks. The proposed methodology combines the classical cryptography with NIST-approved PQC algorithms.  This combination provides the compatibility with existing systems and protection against quantum attacks. The proposed system is evaluated using various metrics.  The evaluation uses benchmark datasets from NIST-standardized PQC implementations. The Open Quantum Safe (OQS) framework also used in this work. The datasets represent military scenarios such as UAV communication and edge-based networks. The results exhibit that the PQC alone increases latency and resource usage. But the hybrid approach reduces latency about 40%. The throughput also improved comparatively to PQC-only systems. The results show that hybrid PQC provides a good balance between security and performance. So, it is a suitable solution for future 6G military communication systems.