Advanced International Journal for Research

E-ISSN: 3048-7641   •   Impact Factor: 9.11

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Volume 6 Issue 6
November-December 2025

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Performance Analysis of a Cryptographically-Agile Authentication Framework for 6G Network Slices

Author(s) Lalit Rai, Manju Kumari, Madhu Nimesh
Country India
Abstract The growing threat sat by quantum computing has made it quite necessary to integrate post-quantum cryptographic solutions to emerging 6G networks. The concept of network slicing introduces new demands for flexible and adaptive security mechanisms at the same time. While existing studies are limited to static implementations of post-quantum cryptography and very small work is available to understand how cryptographic agility affects the overall network performance. This paper introduces such a framework that supports dynamic selection of cryptographic algorithms across different network slices which further delivers the first experimental proof of the overhead introduced by such agile network. The proposed system improves Open5GS by incorporating cryptographic negotiation and real-time switching features, enabling the use of Kyber and Dilithium algorithms across URLLC, eMBB, and mMTC slices. Experimental study indicates that the use of cryptographic agility leads to a 23.2% increase in authentication latency, an 8–11 ms delay during algorithm transitions, and a 45.3% escalation in memory consumption relative to static configurations. Even with this extra work, the framework can switch between dynamic algorithms 99.4% of the time while still being compatible with older versions. These results provide useful information for finding the best balance between security that is resistant to quantum attacks and system performance in future network topologies.
Keywords 6G Security, Performance Overhead, Post-Quantum Cryptography, Network Slicing, Cryptographic Agility, Authentication Framework
Field Engineering
Published In Volume 6, Issue 6, November-December 2025
Published On 2025-12-23
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E-ISSN 3048-7641
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