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A Design of Secure Communication Architecture Applying Quantum Cryptography
심규석,김용환,이원혁 한국과학기술정보연구원 2022 Journal of Information Science Theory and Practice Vol.10 No.-
Existing network cryptography systems are threatened by recent developments in quantum computing. For example, the Shoralgorithm, which can be run on a quantum computer, is capable of overriding public key-based network cryptography systemsin a short time. Therefore, research on new cryptography systems is actively being conducted. The most powerful cryptographysystems are quantum key distribution (QKD) and post quantum cryptograph (PQC) systems; in this study, a network based on bothQKD and PQC is proposed, along with a quantum key management system (QKMS) and a Q-controller to efficiently operate thenetwork. The proposed quantum cryptography communication network uses QKD as its backbone, and replaces QKD with PQC atthe 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.
혼합모드 피로문제에서의 최소 변형에너지 밀도기준의 적용
심규석,구재민 한국산업안전학회 2002 한국안전학회지 Vol.17 No.2
In this paper, the maximum minimum strain energy density criterion was applied to the mixed mode fatigue test of A5052 H34 alloy. In this study result, we can have seen that the authors stress intensity factor for the finite width specimen and method of determining testing load, based on the plastic zone size and the limited maximum stress intensity factor by ASTM STANDARD E-647-95, is useful.