接着提出了一个基于身份的可证明安全的群签名方案。

Then, we propose a provably secure and ID-Based group signature scheme.

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我们证明该方案在随机预言机模型中是可证安全的。

Then we prove that our scheme satisfies these security notions in the random oracle model.

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在标准模型下可证明它的安全性，并且阐述其高效性。

It could be proven secure in the standard model, and it was efficient.

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在标准模型下可证明它的安全性，并且阐述其高效性。

It could be proven secure in the standard model, and it was efficient.

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