Welcome to the resource topic for 2004/257
Title:
A Weakness in Jung-Paeng-Kim’s ID-based Conference Key Distribution Scheme
Authors: Junghyun Nam, Seungjoo Kim, Dongho Won
Abstract:Very recently, Jung, Paeng and Kim [IEEE Communications Letters,
Vol 8, No 7, pp 446–448, July 2004] have demonstrated the
insecurity of Xu and Tilborg’s ID-based conference key
distribution scheme, and in addition, have revised the scheme to
fix the security flaws discovered by them. However, in this paper,
we show that Jung-Paeng-Kim’s revised scheme is still insecure
since it is vulnerable to an active attack of colluding
adversaries. We also show that our attack can be easily thwarted
by a simple patch.
ePrint: https://eprint.iacr.org/2004/257
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