一个带签名者意向的结构化多重签名方案
A Structured Multi-signature Scheme with Signers Intentions
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摘要: 多重签名是一种由多个签名者同时协作完成对一个消息签名的群体签名形式。在多重签名技术的应用中,签名方之间的签名顺序有可能需要满足某一特定的要求,有时签名者还要对消息签署意见并供其后的签名者参考。考虑到这些应用需求,该文提出了一个基于双线性对的多重签名方案,该方案具有预先设定签名者之间的签名次序和在签名中加入签名者各自意向的特性。安全分析表明它能抵抗各种内部和外部攻击,是一种安全的多重签名方案。Abstract: A multi-signature scheme is a digital signature scheme that allow multiple signers to generate in a collaborative and simultaneous manner. In the application of multi-signature, the signing order among co-signers may satisfy a special sequence and sometimes the each signer can express his intention associating with the message to be signed and referring by others. Considering the need of application, a multi-signature from bilinear pairings is proposed in this paper. The proposed scheme has two properties that it can set up the order of signing in advance and add the intention of signer into the signature. The security analysis of the new scheme shows that it can resist all kind of outsider and insider attacks.
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