한국통신학회논문지 B : 네트워크 및 융합 서비스, v.27, no.12C, pp.1238-1244
ISSN
1226-4717
Publisher
한국통신학회 (KICS)
Language
Korean
Type
Journal Article
Abstract
본 논문에서는 lTU-T에서 저안한 H.323 VolP의 보안 프로토콜인 H.235에 대하여 연구하고 이를 구현한 VolP 보안 시스템을 구축하여 VolP 보안 프로토콜의 요구 사항 및 방향을 제시하였다. H.235 annex D에서 제안하고 있는 VolP 단말 시스템에 대한 보안 기능을 구련하였으며 구현 결과에 대하여 분석하고 구현 주가로 요구되는 사항들을 언급하였다. H235에서는 HMA을 이용한 인증과 Diffie-Hellman 을 이용한 키 교환 및 음성 데이터의 암호화를 위한 세션키 생성, 그리고 RTP 음성 데이터의 암호화를 위한 DES, 3DES, RC2 등을 지원하고 있으면 본 논문에서는 한국형 암호 안고리즘인 SEED, 그리고 차세대 암호 알고리즘인 AES를 구현하여 표준에서 지원하지 않는 방식에 대한 구현을 실시하였다.
KSP Keywords
Diffie-Hellman
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