Cryptology ePrint Archive: Report 2004/326
Cryptanalysis of Qiu-Gu-Chen Variant Group Signature Scheme
Abstract: Qiu et al. proposed
a variant group signature scheme in .
We find that the group manager can successfully forge signature because he has absolute predominance in Join Phase.
Category / Keywords: cryptographic protocols / group signature scheme, forgeability
Date: received 23 Nov 2004
Contact author: zjcamss at hotmail com
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Version: 20041126:214515 (All versions of this report)
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