Cryptanalysis of an efficient group signature schemen
The security flaws of the group signature proposed by Zhang Jianhong and etc.was analyzed.It pointed out that the group signature was not untraceable for the revocation center could not open a valid group signature.A coalition attack that the manager and the revocation center could conspire to gener...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Journal on Communications
2007-01-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/74658764/ |
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| Summary: | The security flaws of the group signature proposed by Zhang Jianhong and etc.was analyzed.It pointed out that the group signature was not untraceable for the revocation center could not open a valid group signature.A coalition attack that the manager and the revocation center could conspire to generate valid group signatures and impose them on an arbitrary member of the group was presented.The security analysis show that the scheme is insecure. |
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| ISSN: | 1000-436X |