对张劼等人提出的一类可验证的门限签名方案进行了安全性分析，发现它存在安全漏洞，容易受到合谋攻击和伪造攻击，并且不具备不可否认性。
Through the cryptanalysis of a verifiable threshold signature scheme presented by Zhang and Wen, concluded it not only exist collusion attack and forgery attack, but have no undeniability.
结合椭圆曲线密码体制、门限密码技术和盲签名方案，该文提出了一种基于椭圆曲线可验证的门限盲签名方案。
This paper presents a new verifiable threshold blind signature scheme based on the elliptic curve by adopting threshold cryptography and blind signature scheme.
结合椭圆曲线密码体制、门限密码技术和盲签名方案，该文提出了一种基于椭圆曲线可验证的门限盲签名方案。
This paper proposes a threshold multi-proxy blind multi-signature scheme based on elliptic curve by adopting threshold cryptography and blind signature scheme.
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