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Lecture notes in computer science

Towards Provably Secure Group Key Agreement Building on Group Theory

Jens-Matthias Bohli, Benjamin Glas, Rainer Steinwandt

Published Jan 1, 2006• 15 citations

DOI: 10.1007/11958239_22

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Comments on "Provably Secure Constant Round Contributory Group Key Agreement in Dynamic Setting

Chik-How Tan, Guomin Yang

In a recent paper, Dutta and Barua presented a group key agreement protocol in dynamic setting. The protocol allows users to efficiently join or leave a group and was believed to be provably secure. In this letter, we point out a flaw in the Dutta-Barua dynamic group key agreement protocol.

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