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Paper 2003/260

An Improved ID-based Authenticated Group Key Agreement Scheme

Xinjun Du, Ying Wang, Jianhua Ge, Yumin Wang

Abstract

Authenticated group key agreement problem is important in many modern collaborative and distributed applications. There are two ID-based authenticated group key agreement schemes have been proposed by Choi et al. and us, which are based on bilinear pairings and BD scheme. Recently, Zhang and Chen propose an impersonation attack on the two schemes, which means the schemes are not fully authenticated. In this paper, we propose an improved ID-based authenticated group key agreement scheme which can resist this attack.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Published elsewhere. Unknown where it was published
Keywords
Authenticated group key agreementBilinear pairingsIdentity-based cryptography
Contact author(s)
dxjwy2002 @ hotmail com
History
2003-12-20: received
Short URL
https://ia.cr/2003/260
License
Creative Commons Attribution
CC BY
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