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http://dx.doi.org/10.13089/JKIISC.2004.14.3.13

Key Exchange Protocols for Domestic Broadband Satellite Access Network  

오흥룡 (한국정보통신기술협회)
염흥열 (순천향대학교)
Publication Information
Journal of the Korea Institute of Information Security & Cryptology / v.14, no.3, 2004 , pp. 13-25 More about this Journal
Abstract
The key exchange protocols are very crucial tools to provide the secure communication in the broadband satellite access network. They should be required to satisfy various requirements such as security, key confirmation, and key freshness. In this paper, we present the guideline of security functions in BSAN(Broadband Satellite Access Network), and analyze the specification of the security primitives and the hey exchange Protocols for the authenticated key agreement between RCST(Return Channel Satellite Terminal) and NCC(fretwork Control Centre). In addition, we propose the security specification for a domestic broad satellite network based on the analysis on the analysis profile of ETSI(European Telecommunications Standards Institute) standards. The key exchange protocols proposed in ETSI standard are vulnerable to man-in-the-middle attack and they don't provide key confirmation. To overcome this shortcoming, we propose the 4 types of the key exchange protocols which have the resistant to man-in-the-middle-attack, key freshness, and key confirmation, These proposed protocols can be used as a key exchange protocol between RCST and NCC in domestic BSAN. These proposed protocols are based on DH key exchange protocol, MTI(Matsumoto, Takashima, Imai) key exchange protocol, and ECDH(Elliptic Curve Diffie-Hellman).
Keywords
BSAN; RCST; NCC; ETSI; ECDH;
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