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A novel ring signature scheme with Multi-designated verifiers

机译:具有多指定Verifiers的新型环形签名方案

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Ring signature is an anonymous signature which allows a user to anonymously sign on behalf of a group. In some cases, we only hope that our signatures were anonymously verified by the designated users, such as hospital records. In this works, by combining ring signature and designated verifier signature scheme, a ring signature scheme with Multi-designated verifiers are proposed to satisfy the multi-user setting. And by analyzing the security of scheme, we show that the proposed scheme is secure in a novel assumption: the Chosen-Target-Inverse-CDH problem under the random oracle model, and the corresponding security proof is given.
机译:戒指签名是一个匿名签名,允许用户匿名代表组签名。在某些情况下,我们只希望我们的签名被指定的用户匿名验证,如医院记录。在此作品中,通过组合环签名和指定的验证者签名方案,提出了一种具有多指定验证者的环形签名方案来满足多用户设置。通过分析方案的安全性,我们表明该方案在新颖的假设中是安全的:随机Oracle模型下的所选目标 - 反CDH问题,以及相应的安全证明。

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