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Security Analysis of an ID-Based Key Agreement for Peer Group Communication
Duc-Liem VO Kwangjo KIM
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/11/01
Online ISSN: 1745-1337
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Information Security
group key agreement, cryptanalysis, pairings, impersonation attack,
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Pairing based cryptography has been researched intensively due to its beneficial properties. In 2005, Wu et al.  proposed an identity-based key agreement for peer group communication from pairings. In this letter, we propose attacks on their scheme, by which the group fails to agree upon a common communication key.