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International Conference on Computational Intelligence and Communication Networks (CICN)

Trust-Driven Risk-Adaptive Post-Quantum Authentication for Resource-Constrained IoT Systems

Shreyas A, Arun Kumar B R, Manasa U

Published Jun 12, 2026• 1 citation
Publisher
DOI
10.1109/cicn70047.2026.11594135

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The imminent advent of quantum computing threatens the long-term security of classical public-key cryptography, creating critical challenges for resource-constrained internet of things (IoT) environments.Hybrid cryptographic frameworks combining elliptic curve cryptography (ECC) with post-quantum cryptography (PQC) primitives have emerged as a transitional solution; however, their security properties remain insufficiently validated under semi-trusted infrastructure assumptions.This paper presents a comprehensive security evaluation of a hybrid ECC-KEM authentication and key agreement framework targeting IoT deployments.Using a dual-verification methodology that integrates formal symbolic analysis with the Tamarin-Prover and practical AI-assisted testing via the APSVer tool, we identify a critical impersonation vulnerability that enables a semi-trusted third party (TTP) to reconstruct PUF-based authentication material.To mitigate this flaw, we introduce a protocol enhancement incorporating ML-DSA post-quantum digital signatures and device-isolated key derivation.Formal verification confirms that the enhanced protocol achieves mutual authentication, session key secrecy, replay resistance, and effective isolation of the TTP.Experimental performance analysis demonstrates that the proposed security improvements introduce only a 12%-15% computational overhead, preserving feasibility for constrained IoT devices.The proposed framework provides a practical, quantum-resilient authentication architecture suitable for next-generation secure IoT deployments.