Summary
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An Attack on the Identity-Based Key Agreement Protocols in Multiple PKG Environment JoongHyo OH SangJae MOON Jianfeng MA Publication IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E89-A No.3 pp.826-829 Publication Date: 2006/03/01 Online ISSN: 1745-1337 DOI: 10.1093/ietfec/e89-a.3.826 Print ISSN: 0916-8508 Type of Manuscript: LETTER Category: Information Security Keyword: identity-based cryptosystem, key agreement protocol, bilinear map, multiple PKG, implicit key authentication, Full Text: PDF(70.3KB)>>
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. | ||||||||||
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