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    A Quantum Safe Key Hierarchy and Dynamic Security Association for LTE/SAE in 5G Scenario

    Arul, Rajakumar, Raja, Gunasekaran, Almagrabi, Alaa Omran Almagrabi, Alkatheiri, Mohammed Saeed, Chauhdary, Sajjad Hussain and Bashir, Ali Kashif ORCID logoORCID: https://orcid.org/0000-0001-7595-2522 (2019) A Quantum Safe Key Hierarchy and Dynamic Security Association for LTE/SAE in 5G Scenario. IEEE Transactions on Industrial Informatics, 16 (1). pp. 681-690. ISSN 1551-3203

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    Millions of devices are going to participate in 5G producing a huge space for security threats. The 5G specification goals require rigid and robust security protocol against such threats. Quantum cryptography is a recently emerged term in which we test the robustness of security protocols against Quantum computers. Therefore, in this paper, we propose a security protocol called Quantum Key GRID for Authentication and Key Agreement (QKG-AKA) scheme for the dynamic security association. This scheme is efficiently deployed in Long Term Evolution (LTE) architecture without any significant modifications in the underlying base system. The proposed QKGAKA mechanism is analyzed for robustness and proven safe against quantum computers. The simulation results and performance analysis show drastic improvement regarding security and key management over existing schemes.

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