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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.||摘要:||
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  for securely establishing a shared, secret key in a large, dynamic group. We show that it fails to provide forward and backward security.
|Appears in Collections:||資訊科學與工程學系所|
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