이기종 전술통신망 종단간 암호화 통신을 위한 메커니즘
A mechanism for end-to-end secure communication in heterogeneous tactical networks
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전술통신망은 이기종 다양한 특성의 통신장비로 구성된 네트워크가 복합적으로 운용되고 있다. 이러한 구성으로 인해 종단간 통신을 위해 기종별 데이터 포맷으로 변환하기 위한 망연동 게이트웨이를 적용하고 통신 정보보호를 위해 네트워크별 암호기술이 적용되고 있다. 이는 이기종 망간 암호화된 데이터를 직접 전송할 수 없고 통신데이터의 재가공및 처리지연의 문제점이 있다. 서로 다른 전술통신망 사이에 위치하는 망연동 게이트웨이에서 통신데이터에 대한 재가공과 암호화 데이터에 대한 복호화 및 재암호화가 요구된다. 본 논문에서는 전술통신망에서 이기종간 종단간 암호화 통신을 위한 통신방식을 제안한다. 제안한 방식을 이용하여 PSTN과 UHF 통신망간 게이트웨이에서 재가공, 재암호화,전송 지연요소 등을 없애 실시간 음성 및 데이터 통신을 가능하게 한다. 또한, 종단간 정보보호를 위해 단대단 정보보호방식을 적용한다. 이를 통신망에 적용하여 기존 방식 대비 제안한 방식의 성능을 비교 분석한다. 제안한 방식은 기존방식의 문제점을 해결하고 이기종 전술통신망간 종단간 암호화 통신이 가능함을 확인하였다.
Abstract
Tactical networks is being operated in configuration that consisting of a variety of characteristics communication equipmentsand heterogeneous networks. In this configurations, end-to-end communication can be achieved using interworking gateway forconverting the data format of the network and using encryption algorithm of the networks. The use of mechanism results in aproblem that secure data cannot be transferred directly, reprocessing and processing delay of communication in heterogeneoustactical networks. That is, for encoding and decoding of data, the decryption of encrypted data and re-encryption processing mustbe required at the gateway between different networks. In this paper proposes to mechanism for end-to-end securecommunication in heterogeneous tactical networks. Using the proposed method, end-to-end secure communication betweenheterogeneous tactical networks(PSTN-UHF networks) which removes the necessity of a gateway for converting data into dataformats suitable for network to remove a transmission delay factor and enable real-time voice and data communication andachieve end-to-end security for heterogeneous tactical networks. we propose a novel mechanism for end-to-end securecommunication over PSTN and UHF networks and evaluate against the performance of conventional mechanism. Our proposalis confirmed removal of security vulnerabilities, end-to-end secure communication in heterogeneous tactical networks.
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