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1. (WO2018128264) METHOD FOR MANAGING KEY IN SECURITY SYSTEM OF MULTICAST ENVIRONMENT

Pub. No.:    WO/2018/128264    International Application No.:    PCT/KR2017/013222
Publication Date: Fri Jul 13 01:59:59 CEST 2018 International Filing Date: Wed Nov 22 00:59:59 CET 2017
IPC: H04L 29/06
H04L 12/18
H04N 7/18
Applicants: HANWHA TECHWIN CO., LTD.
한화테크윈 주식회사
Inventors: HYUN, Ho Jae
현호재
Title: METHOD FOR MANAGING KEY IN SECURITY SYSTEM OF MULTICAST ENVIRONMENT
Abstract:
Disclosed is a method for managing a key in a security system of a multicast environment in embodiments of the present invention. The key management method according to embodiments of the present invention enables a key management by which a renewal of the key does not affect entire group when a receiver joins or leaves the group.