논문KCI 등재
DOCSIS 3.0 보안 시스템 기반 IPTV CAS를 위한 키 관리 기법
A Key Management Scheme for IPTV CAS in DOCSIS 3.0 Security System
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Abstract
A novel scheme is presented for Traffic Encryption Key (TEK) rekeying with low communication overhead for an Internet Protocol television (IPTV) conditional access system over Data-Over-Cable Service Interface Specifications (DOCSIS) 3.0. The proposed scheme utilizes the DOCSIS system synchronization for periodic TEK rekeying instead of a conventional TEK rekeying negotiation process. Analysis shows that the communication overhead is only 0.012 Kbps when TEK rekeying frequency is 1 second.
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