5G-AKA-HPQC: Hybrid Post-Quantum Cryptography Protocol for Quantum-Resilient 5G Primary Authentication with Forward Secrecy

• URL: http://arxiv.org/abs/2502.02851v1
• Date: Wed, 05 Feb 2025 03:05:45 GMT
• Title: 5G-AKA-HPQC: Hybrid Post-Quantum Cryptography Protocol for Quantum-Resilient 5G Primary Authentication with Forward Secrecy
• Authors: Yongho Ko, I Wayan Adi Juliawan Pawana, Ilsun You,
• Abstract summary: 5G authentication is vulnerable to linkability attacks and quantum computing threats. We propose 5G AKA HPQC, a protocol maintaining compatibility with existing standards while enhancing security. This research provides key insights into quantum-safe authentication, contributing to future standardization of secure mobile authentication protocols.
• Score: 2.154734752825087
• License:
• Abstract: 5G enables digital innovation by integrating diverse services, making security especially primary authentication crucial. Two standardized protocols, 5G AKA and EAP AKA', handle authentication for 3GPP and non 3GPP devices. However, 5G AKA has vulnerabilities, including linkability attacks. Additionally, quantum computing poses threats, requiring quantum resistant cryptography. While post-quantum cryptography (PQC) is being standardized, its real world robustness remains unproven. Conventional cryptographic schemes offer reliability due to decades of practical use. To bridge this gap, IETF is standardizing hybrid PQC (HPQC), combining classical and quantum resistant methods. Ensuring forward secrecy and quantum resilience in 5G-AKA is critical. To address these issues, we propose 5G AKA HPQC, a protocol maintaining compatibility with existing standards while enhancing security by integrating keys derived from Elliptic Curve Integrated Encryption Scheme (ECIES) and PQC Key Encapsulation Mechanism (KEM). We validate its security using SVO Logic and ProVerif, confirming its robustness. Performance evaluations assess computational and communication overheads, demonstrating a balance between security and efficiency. This research provides key insights into quantum-safe authentication, contributing to future standardization of secure mobile authentication protocols.

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