A Novel Quantum-Resilient Proxy Re-encryption for UAV-to-Cloud Communication

Résumé fourni par la source

UAVs are increasingly deployed in mission-critical IoT applications (e.g., surveillance, disaster response, environ-mental monitoring) to securely relay sensitive data to cloud infrastructures for storage and analysis, but conventional end-to-end encryption is often too costly for resource-constrained UAVs and may not withstand emerging quantum-capable threats. We propose a quantum-resistant proxy re-encryption (QR-PRE) scheme for UAV-to-cloud communication, where mission data are encrypted with a lightweight symmetric key and then safely re-encrypted by intermediate gateways via proxy cryptography without exposing plaintext. For long-term confidentiality, the framework uses lattice-based post-quantum primitives (Ky-ber512/768) to generate proxy keys and perform re-encryption, providing strong protection against quantum attacks, alongside energy-aware gateway scheduling to reduce swarm overhead while supporting forward secrecy and scalability. Tests on a heterogeneous UAV–gateway–cloud setup show 99.87

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