Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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A SES Alarmed Link Encryption Synchronization Method for High-speed Video Data Encryption

고속 영상데이터 암호화에 적합한 SES Alarmed 링크 암호동기 방식

  • Kim, HyeongRag (Department of Computer Technology and Applicationacheon, Pohang College) ;
  • Lee, HoonJae (Department of Information and Communication Engineering, Dongseo University) ;
  • Kwon, DaeHoon (Agency for Defense Development) ;
  • Pak, UiYoung (Agency for Defense Development)
  • Received : 2013.07.19
  • Accepted : 2013.08.30
  • Published : 2013.12.31
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Abstract

CCSDS Standard is widely used in international space telecommunication area. In this standard, Encryption is realized using a unique hierarchical encryption protocol and satisfied security requirements of communication channels. For synchronization, encryption sync is attached in the beginning of encrypted data. But exceptional case(timing jittering, abnormal system shutdown, etc.) is occurred, receiving equipment cannot decrypt received data. In this paper, we propose a SES Alarmed link encryption synchronization method for sending warning signal to the transmitter when some problems have been occurred during the transmission and we also suggest optimum conditions for SES Alarm signal through performance analysis.

CCSDS 규격은 국제 우주 통신 분야에서 하나의 규격으로 폭넓게 사용되고 있다. 이 규격에서 암호화는 계층별로 고유의 암호 프로토콜을 수행해 통신 채널에서 보안 요구사항을 만족하도록 하고 있고, 동기화를 위해서는 암호화된 데이터의 시작부에 암호화 동기를 삽입하여 수행한다. 그러나 예외적인 상황(타이밍 지터링, 시스템의 비정상적인 종료 등)의 발생 시 수신 장비는 데이터를 수신하더라도 정상적인 데이터를 복원할 수 없게 되는 문제점을 가지고 있다. 본 논문에서는 송수신 도중에 문제가 발생할 경우 송신측에 SES Alarm 신호를 전송하여 정상적인 송수신이 이루어지도록 하는 SES Alarmed 링크 암호동기 방식을 제안하고, 성능 분석을 통하여 SES Alarm 신호를 위한 최적의 조건을 제시하였다.

Keywords

References

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  1. A SES Alarmed Link Encryption Synchronization Method Having Optimized Threshold Value for High-Speed Video Data Encryption vol.22, pp.9, 2013, https://doi.org/10.9708/jksci.2017.22.09.057