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October 13, 2025Open Access

A Hybrid Encryption Framework Combining Classical, Post-Quantum, and QKD Methods

Puntos clave

The hybrid encryption framework enhances data protection by integrating classical cryptography with post-quantum cryptography and quantum key distribution.
Performance evaluations show that the proposed method efficiently generates secure symmetric and HMAC keys while maintaining effective execution times.
The framework combines the efficiency of classical approaches with the quantum resilience of post-quantum cryptography and secure key management from quantum key distribution.
This research provides a practical route for future adoption of post-quantum cryptography in securing digital communication against quantum threats.

Resumen

This paper introduces a hybrid encryption framework combining classical cryptography (EdDSA, ECDH), post-quantum cryptography (ML-DSA-6x5, ML-KEM-768), and Quantum Key Distribution (QKD) via Guardian to counter quantum computing threats. Our prototype implements this integration, using a key derivation function to generate secure symmetric and HMAC keys, and evaluates its performance across execution time and network metrics. The approach improves data protection by merging classical efficiency with PQC's quantum resilience and QKD's key security, offering a practical transition path for cryptographic systems. This research lays the foundation for future adoption of PQC in securing digital communication.

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Cite This Study

Raj et al. (Tue,) studied this question.

synapsesocial.com/papers/68ed1896f29694dd1da78c53 https://doi.org/https://doi.org/10.48550/arxiv.2509.10551

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