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Paper 2009/495

Security Weakness in Two Authenticated Key Exchange Protocols

Qingfeng Cheng and Chuangui Ma

Abstract

In ICA3PP 2009, Xinglan Zhang proposed two one-round authenticated key exchange protocols and proved their security in the standard model. In this paper, we analyze these two protocols and find that both of them exist some flaws.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Published elsewhere. Unknown where it was published
Keywords
authenticated key exchangeKCI attackEKC attack
Contact author(s)
qingfengc2008 @ sina com
History
2009-10-14: received
Short URL
https://ia.cr/2009/495
License
Creative Commons Attribution
CC BY
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