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Reactive Key Management Scheme for Access Control in Group Communications
Heeyoul KIM Younho LEE Yongsu PARK Hyunsoo YOON
IEICE TRANSACTIONS on Communications
Publication Date: 2007/04/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fundamental Theories for Communications
group communication, group security, key management, access control, reactive approach,
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To control various access privileges in group-oriented applications having multiple data streams, we present a novel reactive key management scheme where each member can obtain the key of a data stream from public parameters only when necessary. Compared with the previous schemes, this scheme significantly reduces the amount of rekey messages for dynamic membership change due to its reactive nature.