Improved conference key distribution protocol based on a symmetric balanced incomplete block design

Authors:
Tian-Fu Lee;Tzonelih Hwang
Affiliations:
National Cheng Kung University, Tainan, Taiwan;National Cheng Kung University, Tainan, Taiwan
Venue:
ACM SIGOPS Operating Systems Review
Year:
2004

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The design of a conference key distribution system employing a symmetric balanced incomplete block design

Information Processing Letters
Identity-based Conference Key Distribution Systems

CRYPTO '87 A Conference on the Theory and Applications of Cryptographic Techniques on Advances in Cryptology

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Abstract

An identity-based conference key distribution protocol based on SBIBD was proposed by Chung et al. in 2002 [1]. However, this protocol suffers several problems. Consequently, participants cannot correctly authenticate one another and cannot calculate the same conference key. This study investigates these problems and proposes an improved protocol also based on SBIBD.