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A Novel Threshold Signature Scheme Based on Elliptic Curve with Designated Verifier

机译：一种基于指定验证器的椭圆曲线的新型阈值签名方案

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Aiming at the security threats and computational complexity of existing threshold signature schemes, this paper proposes a threshold signature scheme based on elliptic curve. The scheme render no less than t legitimate and honest members to form a valid signature, where the signature is combined with the public key of the designated receiver, thus only the designated receiver can verify and decrypt the information by using his or her private key. According to the analysis, the proposed scheme has the characteristics of unforgeability, confidentiality and integrity of messages. Moreover, the scheme has good robustness, consumes less computing resources, and lower communication bandwidth.
机译：针对现有阈值签名方案的安全威胁和计算复杂性，本文提出了一种基于椭圆曲线的阈值签名方案。该方案呈现不少于T合法和诚实的成员，以形成有效的签名，其中签名与指定接收器的公钥组合，因此只有指定的接收器可以使用他或她的私钥来验证和解密信息。根据分析，拟议方案具有不可认证，机密性和诚信的特征。此外，该方案具有良好的鲁棒性，消耗较少的计算资源，以及更低的通信带宽。

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