The rapid expansion of 5G wireless networks has introduced unprecedented security challenges, particularly in the face of emerging quantum computing threats. Traditional cryptographic schemes, including Elliptic Curve Cryptography (ECC), face vulnerabilities against quantum-based attacks, necessitating a transition toward quantum-resistant security solutions. A hybrid cryptographic framework incorporating CRYSTALS-Kyber for key encapsulation is proposed to mitigate these threats. CRYSTALS-Kyber, a lattice-based post-quantum cryptographic algorithm, enhances key exchange mechanisms by resisting quantum decryption attempts while maintaining computational efficiency. The proposed framework integrates CRYSTALS-Kyber with conventional ECC to establish a dual-layer security model that ensures backward compatibility while progressively adapting to quantum security standards. Simulation results demonstrate that the hybrid approach significantly enhances key exchange security while maintaining a low computational overhead. In particular, latency is reduced by 18.4% compared to standalone ECC-based key exchange, while key generation time improves by 22.7% due to CRYSTALS-Kyber’s efficient polynomial arithmetic operations. Furthermore, encryption throughput increases by 31.2%, demonstrating the model''s capability to secure high-speed 5G transmissions with minimal performance trade-offs.
S. Brilly Sangeetha1, John Chembukkavu2, J. Adeline Sneha3
IES College of Engineering, India1,2, Asia Pacific University of Technology and Innovation, Malaysia3
Quantum-Resistant Cryptography, CRYSTALS-Kyber, 5G Security, Hybrid Cryptographic Framework, Post-Quantum Encryption
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| Published By :
ICTACT
Published In :
ICTACT Journal on Communication Technology
( Volume: 16 , Issue: 1 , Pages: 3470 - 3474 )
Date of Publication :
March 2025
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