Cryptology ePrint Archive: Report 2006/464

Remarks on "Analysis of One Popular Group Signature Scheme'' in Asiacrypt 2006

Giuseppe Ateniese and Jan Camenisch and Marc Joye and Gene Tsudik

Abstract: In \cite{Cao}, a putative framing ``attack'' against the ACJT group signature scheme \cite{ACJT00} is presented. This note shows that the attack framework considered in \cite{Cao} is \emph{invalid}. As we clearly illustrate, there is \textbf{no security weakness} in the ACJT group signature scheme as long as all the detailed specifications in \cite{ACJT00} are being followed.

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Date: received 7 Dec 2006, last revised 15 Dec 2006

Contact author: ateniese at cs jhu edu

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Version: 20061215:193225 (All versions of this report)

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