具有可选链接性和阈值可追溯性的匿名认证方案

Guangning Pu, Fengmei Yin
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引用次数: 0

摘要

为了保护用户的隐私身份,认证需要匿名认证。匿名认证分为无条件匿名认证和可追踪匿名认证。无条件匿名认证可以验证用户是否属于匿名集,但无法获得用户的真实身份。然而,在某些应用程序中,有必要跟踪用户的真实身份。为此,提出了一种可跟踪的匿名认证方案。为了防止随机跟踪,该方案采用阈值联合跟踪。当需要跟踪验证者的身份时,可以通过阈值成员数共同跟踪验证者的身份。在匿名电子投票等一些特殊的网络应用中,为了防止重复认证和重复选举,需要在不泄露用户真实身份的情况下验证两个认证签名是否由同一用户签名。因此,所提出的匿名认证方案应该具有选择性的可链接性。为了实现可链接认证,通过可链接环签名嵌入可链接标签。通过仿真实验与同类方案进行比较,本方案的实现时间略优于其他方案。
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An Anonymous Authentication Scheme with Selective Linkability and Threshold Traceability
In order to protect the user's privacy identity, authentication requires anonymous authentication. Anonymous authentication is divided into unconditional anonymous authentication and traceable anonymous authentication. Unconditional anonymous authentication can verify that the user belongs to an anonymous set, but the user's true identity cannot be obtained. However, in some applications, it is necessary to trace the true identity of the user. Therefore, a traceable anonymous authentication scheme is proposed. In order to prevent random tracing, the proposed scheme uses threshold joint tracing. When the identity of the authenticator needs to be traced, the threshold number of members can jointly trace the identity of the authenticator. In some special network applications such as anonymous electronic voting, in order to prevent repeated authentications and repeated elections, it is necessary to verify whether the two authentication signatures are signed by the same user without revealing the true identity of the user. Therefore, the proposed anonymous authentication scheme should have selective linkability. In order to achieve linkable authentication, the linkable tag is embedded by linkable ring signature. Compared with similar schemes through the simulation experiments, the implementation time of the proposed scheme is slightly better than other schemes.
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来源期刊
Wuhan University Journal of Natural Sciences
Wuhan University Journal of Natural Sciences Multidisciplinary-Multidisciplinary
CiteScore
0.40
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发文量
2485
期刊介绍: Wuhan University Journal of Natural Sciences aims to promote rapid communication and exchange between the World and Wuhan University, as well as other Chinese universities and academic institutions. It mainly reflects the latest advances being made in many disciplines of scientific research in Chinese universities and academic institutions. The journal also publishes papers presented at conferences in China and abroad. The multi-disciplinary nature of Wuhan University Journal of Natural Sciences is apparent in the wide range of articles from leading Chinese scholars. This journal also aims to introduce Chinese academic achievements to the world community, by demonstrating the significance of Chinese scientific investigations.
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