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- W2056429034 abstract "LTE/SAE는 공격자의 키 획득 및 공격에 노출된 네트워크를 방지하기 위해 핸드오버 키 관리기법을 정의하고 있다. 본 논문에서는, 핸드오버 키 관리 기법이 비동기화 공격에 의해 전방향안전성이 보장되지 못 함을 보인다. 비동기화 공격을 방지하기 위해, 주기적인 루트키 갱신이 요구된다. 이에 본 논문에서는 시그널링 부하와, 공격에 노출되는 패킷의 양을 최소화 하는 최적 루트키 갱신 주기를 도출하고자 한다. LTE/SAE has presented the handover key management to revoke the compromised keys and to isolate corrupted network devices. In this paper, we identify that the handover key management is vulnerable to so-called de-synchronization attacks, which is jeopardizing the forward secrecy of handover key management. We place an emphasis on periodic root key update to minimize the effect of the de-synchronization attacks. An optimal value for the root key update interval is suggested in order to minimize signaling load and ensure security of user traffic." @default.
- W2056429034 created "2016-06-24" @default.
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- W2056429034 date "2011-08-31" @default.
- W2056429034 modified "2023-10-01" @default.
- W2056429034 title "Optimal Handover Key Refresh Interval in 3GPP LTE/SAE Network" @default.
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- W2056429034 doi "https://doi.org/10.3745/kipstc.2011.18c.4.237" @default.
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