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: LU Rong-bo1, XUAN Heng-nong3, HE Da-ke2
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2007-01-01
Series:Tongxin xuebao
Subjects:
Online Access:http://www.joconline.com.cn/zh/article/74658764/
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author LU Rong-bo1
XUAN Heng-nong3
HE Da-ke2
author_facet LU Rong-bo1
XUAN Heng-nong3
HE Da-ke2
author_sort LU Rong-bo1
collection DOAJ
description 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.
format Article
id doaj-art-28d3527696d241fa9b05cb5a1d678107
institution Kabale University
issn 1000-436X
language zho
publishDate 2007-01-01
publisher Editorial Department of Journal on Communications
record_format Article
series Tongxin xuebao
spelling doaj-art-28d3527696d241fa9b05cb5a1d6781072025-01-14T08:36:15ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2007-01-0191274658764Cryptanalysis of an efficient group signature schemenLU Rong-bo1XUAN Heng-nong3HE Da-ke2The 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.http://www.joconline.com.cn/zh/article/74658764/cryptographygroup signaturecryptanalysiscoalition attack
spellingShingle LU Rong-bo1
XUAN Heng-nong3
HE Da-ke2
Cryptanalysis of an efficient group signature schemen
Tongxin xuebao
cryptography
group signature
cryptanalysis
coalition attack
title Cryptanalysis of an efficient group signature schemen
title_full Cryptanalysis of an efficient group signature schemen
title_fullStr Cryptanalysis of an efficient group signature schemen
title_full_unstemmed Cryptanalysis of an efficient group signature schemen
title_short Cryptanalysis of an efficient group signature schemen
title_sort cryptanalysis of an efficient group signature schemen
topic cryptography
group signature
cryptanalysis
coalition attack
url http://www.joconline.com.cn/zh/article/74658764/
work_keys_str_mv AT lurongbo1 cryptanalysisofanefficientgroupsignatureschemen
AT xuanhengnong3 cryptanalysisofanefficientgroupsignatureschemen
AT hedake2 cryptanalysisofanefficientgroupsignatureschemen