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Cryptanalysis of Password Authenticated Key Exchange Based on RSA for Imbalanced Wireless Networks
Eun-Jun YOON Kee-Young YOO
Publication
IEICE TRANSACTIONS on Communications
Vol.E88-B
No.6
pp.2627-2628 Publication Date: 2005/06/01 Online ISSN:
DOI: 10.1093/ietcom/e88-b.6.2627 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Fundamental Theories for Communications Keyword: key exchange, password, guessing attack, wireless network,
Full Text: PDF(55.4KB)>>
Summary:
Recently, Yeh et al. proposed an improvement on Zhu et al.'s password based authenticated key exchange protocol based on RSA, in order to make the protocol withstand undetectable on-line password guessing attacks and also to provide explicit key authentication. The improved scheme, however, is still susceptible to off-line password guessing attacks. Accordingly, the current letter demonstrates the vulnerability of Yeh et al.'s scheme regarding off-line password guessing attacks.
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