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Cryptanalysis of a Key Management Scheme for Secure Multicast Communications

Gwoboa HORNG

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Summary :

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.

Publication
IEICE TRANSACTIONS on Communications Vol.E85-B No.5 pp.1050-1051
Publication Date
2002/05/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Internet

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