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A group key management scheme using core based tree and height balanced tree

Title
A group key management scheme using core based tree and height balanced tree
Authors
Cho T.Lee S.-H.
Ewha Authors
이상호조태남
SCOPUS Author ID
이상호scopus
Issue Date
2004
Journal Title
IEICE Transactions on Information and Systems
ISSN
0916-8532JCR Link
Citation
vol. E87-D, no. 10, pp. 2329 - 2332
Indexed
SCIE; SCOPUS scopus
Abstract
Recently, with the explosive growth of communication technologies, group oriented services such as teleconferencing and multi-player games are increasing, Access to information is controlled through secret communication using a group key shared among members, so efficient updating of group keys is vital to maintaining secrecy of large and dynamic groups. In this paper, we employ (2,4)-tree as a key tree, which is a height balanced tree, to reduce the number of key updates caused by joins or leaves of members. Specifically, we use the CBT (Core Based Tree) to determine the network configuration of the group members to reflect that onto the structure of the key tree. This allows for more efficient updates of group keys when splitting or merging of subgroups occurs by network failure or recovery.
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엘텍공과대학 > 컴퓨터공학과 > Journal papers
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