Then, we propose a provably secure and ID-Based group signature scheme.
接着提出了一个基于身份的可证明安全的群签名方案。
To design a signature scheme which are efficient and provably secure in the standard model is suitable for applications.
在标准模型下设计高效可证明安全的签名方案具有现实意义。
A certificateless signature scheme provably secure in the standard model is analyzed. It points out that the scheme is insecure.
通过对一个标准模型下可证安全的无证书签名方案进行分析，指出该方案是不安全的。
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