QR-DEF: A quantum-resistant hybrid encryption framework with dynamic entropy fusion and biomimetic obfuscation

Rami Almatarneh (), Mohammad Aljaidi (), Ayoub A Lsarhan () and Amjad A. Alsuwaylimi ()

International Journal of Innovative Research and Scientific Studies, 2025, vol. 8, issue 4, 156-166

Abstract: The growing threat of quantum computing has increased the need for cryptographic frameworks that go beyond classical cryptographic paradigms. Quantum-Resistant Dynamic Entropy Fusion (QR-DEF) is a new hybrid encryption paradigm that integrates lattice-based cryptography, dynamic environmental entropy, and bio-inspired obfuscation to mitigate vulnerabilities in post-quantum and classical paradigms. QR-DEF employs the NTRU lattice-based cryptosystem to create a static Shor's algorithm-resistant "Master Seed" and pulls dynamic entropy from fixed public parameters (e.g., blockchain nonces, weather) to create ephemeral session keys via a chaotic neural network. This combination ensures quantum resilience and forward secrecy without re-encryption overhead. Additionally, the post-encryption DNA-like substitution layer (DNA-LS) adds another level of complexity to the ciphertext through codon mapping and permutation, making frequency analysis more complicated. Benchmarks on an Intel i7-12700K demonstrate QR-DEF's operational efficacy, recording 1.92 Gbps throughput and 5.2 ms latency for 1KB payloads, which is similar to RSA-2048 but with a 60% faster key exchange. The 256-bit ChaCha20-Poly1305 layer in the framework elevates Grover's attack complexity to O(2^128), and blockchain-attested parameters ensure tamper-proof entropy sourcing. Although incurring a 15–20% performance overhead over native NTRU+ChaCha20, QR-DEF's layered security justifies the exchange: DNA-LS obfuscation inflates adversary costs by 33%, and dynamic parameters prevent key reuse risks. Scalability testing showed uniform throughput (1.85 Gbps) for payloads of 1MB, with energy efficiency (0.012 J/operation) being twice that of RSA-2048. QR-DEF's innovations (decentralized entropy feeding, chaotic mixing, and biomimetic confusion) establish a blueprint for adaptable and quantum-insurance cryptography. Harmonizing lattice-based security with environmental uncertainty will effectively bridge the gap between theoretical post-quantum abstractions and practical resiliency, thus offering a strong solution for IoT, distributed systems, and high-risk communications in the post-quantum age.

Keywords: Biomimetic obfuscation; Dynamic entropy sourcing; Hybrid encryption framework; Lattice-based encryption; Post-quantum cryptography. (search for similar items in EconPapers)
Date: 2025
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