Journal of Information Science Theory and Practice

Korea Institute of Science and Technology Information (한국과학기술정보연구원 과학기술정보센터)
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A Design of Secure Communication Architecture Applying Quantum Cryptography

  • Shim, Kyu-Seok (Korea Institute of Science and Technology Information (KISTI), Advanced Quantum KREONET Team, KREONET Centre) ;
  • Kim, Yong-Hwan (Korea Institute of Science and Technology Information (KISTI), Advanced Quantum KREONET Team, KREONET Centre) ;
  • Lee, Wonhyuk (Korea Institute of Science and Technology Information (KISTI), Advanced Quantum KREONET Team, KREONET Centre)
  • Received : 2022.04.20
  • Accepted : 2022.05.17
  • Published : 2022.06.20
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Abstract

Existing network cryptography systems are threatened by recent developments in quantum computing. For example, the Shor algorithm, which can be run on a quantum computer, is capable of overriding public key-based network cryptography systems in a short time. Therefore, research on new cryptography systems is actively being conducted. The most powerful cryptography systems are quantum key distribution (QKD) and post quantum cryptograph (PQC) systems; in this study, a network based on both QKD and PQC is proposed, along with a quantum key management system (QKMS) and a Q-controller to efficiently operate the network. The proposed quantum cryptography communication network uses QKD as its backbone, and replaces QKD with PQC at the user end to overcome the shortcomings of QKD. This paper presents the functional requirements of QKMS and Q-Controller, which can be utilized to perform efficient network resource management.

Keywords

Acknowledgement

This research was supported by Korea Institute of Science and Technology Information (KISTI).

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