Forgery Attacks on a Series Group Signature Schemes

Yu Bao-zheng; Xu Cong-wei

doi:10.3724/SP.J.1146.2007.01234

Volume 31 Issue 1

Dec. 2010

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Yu Bao-zheng, Xu Cong-wei. Forgery Attacks on a Series Group Signature Schemes[J]. Journal of Electronics & Information Technology, 2009, 31(1): 246-249. doi: 10.3724/SP.J.1146.2007.01234

Citation:

Yu Bao-zheng, Xu Cong-wei. Forgery Attacks on a Series Group Signature Schemes[J]. Journal of Electronics & Information Technology, 2009, 31(1): 246-249. doi: 10.3724/SP.J.1146.2007.01234

Yu Bao-zheng, Xu Cong-wei. Forgery Attacks on a Series Group Signature Schemes[J]. Journal of Electronics & Information Technology, 2009, 31(1): 246-249. doi: 10.3724/SP.J.1146.2007.01234

Citation:

Yu Bao-zheng, Xu Cong-wei. Forgery Attacks on a Series Group Signature Schemes[J]. Journal of Electronics & Information Technology, 2009, 31(1): 246-249. doi: 10.3724/SP.J.1146.2007.01234

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Forgery Attacks on a Series Group Signature Schemes

doi: 10.3724/SP.J.1146.2007.01234

Received Date: 2007-07-25
Rev Recd Date: 2008-01-10
Publish Date: 2009-01-19

Abstract

Abstract

Two kinds of forgery attacks strategy on the group signature schemes proposed respectively by Wang et al.. (2003) and Lin et al.. (2006) based on the Tseng-Jans(1999) group signature scheme is developed. Without using any secret identification or secret key, anyone can forgery a valid group member certificate and then generate a valid group signature using the forged certificate only through selecting some random parameters and changing the calculation procedures. Moreover, this kind of forgery attacks strategy can be used in Lee-Changs (1998) group signature scheme, Tseng-Jans group signature scheme and their varietals. It means this series of group signature schemes is insecure.

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References(1)

References

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