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標題: Cryptanalysis of a key management scheme for secure multicast communications
作者: Horng, G.
關鍵字: multicast communications;key management;cryptography;one-way function;tree
Project: Ieice Transactions on Communications
期刊/報告no:: Ieice Transactions on Communications, Volume E85B, Issue 5, Page(s) 1050-1051.
Multicast is an efficient way to send messages to a group of members. It is becoming the basis for a number of applications, such as teleconferencing, news groups, and on-line games. Security is one of the main issues in realizing multicast communications. A working group within IETF dedicated to multicast security has been formed and RFCs and working drafts concerning multicast security are proposed. This letter analyzes the security of a scheme proposed in [1] for securely establishing a shared, secret key in a large, dynamic group. We show that it fails to provide forward and backward security.
ISSN: 0916-8516
Appears in Collections:資訊科學與工程學系所

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