Digital signature is a major component of transactions on Blockchain platforms, especially in enterprise Blockchain platforms, where multiple signatures from a set of peers need to be produced to endorse a transaction. However, such process is often complex and time-consuming. Multi-signature, which can improve transaction efficiency by having a set of signers cooperate to produce a joint signature, has attracted extensive attentions. In this work, we propose two multi-signature schemes, GMS and AGMS, which are proved to be more secure and efficient than state-of-the-art multi-signature schemes. Besides, we implement the proposed schemes in a real Enterprise Blockchain platform, Fabric. Experiment results show that the proposed AGMS scheme helps achieve the goal of high transaction efficiency, low storage complexity, as well as high robustness against rogue-key attacks and k-sum problem attacks.
翻译：数字签名是链式平台交易的重要组成部分,特别是在企业链式平台中,需要从一组同龄人中生成多个签名才能认可交易,但这一过程往往复杂而费时。多签名可以通过让一组签名人合作制作联合签名来提高交易效率,已经引起了广泛的关注。在这项工作中,我们提出了两个多签名计划,即GMS和AGMS,它们证明比最先进的多签名计划更加安全和高效。此外,我们在一个真正的企业链式平台Fabric中实施拟议的计划,实验结果表明,拟议的AGMS计划有助于实现高交易效率、低存储复杂性以及高强度打击无赖式袭击和k总问题袭击的目标。
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