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Security analysis on a kind of group signatures

In 1998, Lee and Chang proposed a group signature scheme based on the discrete logarithm problem.Tseng, Jan and Ao gave respectively new improved scheme based on Lee-Chang scheme. In this paper, we show there are still some security leaks in these schemes, and give some methods of forgery attack.

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi matua: SI Tao-zhi1, WANG Ze-cheng1, LI Zhi-bin1, ZHOU Zhen-jiang1
Hōputu: Artigo
Reo:Chinês
I whakaputaina: Editorial Department of Journal on Communications 2003-01-01
Rangatū:Tongxin xuebao
Ngā marau:
Urunga tuihono:http://www.joconline.com.cn/zh/article/74361165/
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