An Attack on the Identity-Based Key Agreement Protocols in Multiple PKG Environment

JoongHyo OH, SangJae MOON, Jianfeng MA

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Summary :

Lee et al. recently proposed the first identity-based key agreement protocols for a multiple PKG environment where each PKG has different domain parameters in ICCSA 2005. However, this letter demonstrates that Lee et al.'s scheme does not include the property of implicit key authentication which is the fundamental security requirement, making it vulnerable to an impersonation attack.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E89-A No.3 pp.826-829
Publication Date
2006/03/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e89-a.3.826
Type of Manuscript
LETTER
Category
Information Security

Authors

Keyword

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