Cryptanalysis of Bresson-Chevassut-Essiari-Pointcheval′s Key Agreement Scheme for Low-Power Mobile Devices
Nam Junghyun, Lee Younggyo, Kim Seungioo, Dongho Won · Information Security and Cryptology · 2005
Bresson et al. have recently proposed an efficient group key agreement scheme well suited for a wireless network environment. Although it is claimed that the proposed scheme is provably secure under certain intractability assumptions, we show in this paper that this claim is unfounded, breaking the allegedly secure scheme in various ways.