Security Weakness in Two Authenticated Key Exchange Protocols

Qingfeng Cheng; Chuangui Ma

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 exchange KCI attack EKC attack
Contact author(s): qingfengc2008 @ sina com
History: 2009-10-14: received
Short URL: https://ia.cr/2009/495
License: CC BY

BibTeX

@misc{cryptoeprint:2009/495,
      author = {Qingfeng Cheng and Chuangui Ma},
      title = {Security Weakness in Two Authenticated Key Exchange Protocols},
      howpublished = {Cryptology {ePrint} Archive, Paper 2009/495},
      year = {2009},
      url = {https://eprint.iacr.org/2009/495}
}