Cryptanalysis of Qiu-Gu-Chen  Variant Group Signature Scheme

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Paper 2004/326

Cryptanalysis of Qiu-Gu-Chen Variant Group Signature Scheme

Zhengjun Cao

Abstract

Qiu et al. proposed a variant group signature scheme in [1]. We find that the group manager can successfully forge signature because he has absolute predominance in Join Phase.

Metadata

Available format(s): PDF PS
Category: Cryptographic protocols
Publication info: Published elsewhere. Unknown where it was published
Keywords: group signature scheme forgeability
Contact author(s): zjcamss @ hotmail com
History: 2004-11-26: received
Short URL: https://ia.cr/2004/326
License: CC BY