Analysis results demonstrate that the scheme has good security performance and lower network overheads.
分析结果表明，该方案具有较高的安全性和较小的网络开销。
In addition, the security and complexity of this new scheme is analyzed.
此外，还对改进的新方案进行了安全性分析和复杂度分析。
Then we prove that our scheme satisfies these security notions in the random oracle model.
我们证明该方案在随机预言机模型中是可证安全的。
The scheme has adaptively chosen ciphertext security in the random oracle model.
并在随机谕示模型下，证明了方案具有选择密文安全性。
The new scheme is easy to implement and can provide enough security.
新方案易于实现且能提供足够的安全保证。
Analysis result shows that the scheme has validity and security.
分析结果表明，该方案具有正确性和安全性。
Finally the whole scheme design, security strategy design and program module are analyzed in detail.
最后详细分析了系统的整体方案设计和安全策略设计实现。
The scheme not only satisfies the security target, but also need only once communication.
该方案不仅满足了安全目标，而且一次通信就能完成隐私资源的交换。
The formal security proof of this scheme is provided in the random oracle model.
我们在随机预言模型下给出了方案的安全性证明。
The security analysis of scheme is proposed.
还给出了该方案的安全性分析。
The scheme has high security class and efficiency used in signature.
实践证明该体制具有较高的安全性，而且签名效率也较高。
To enhance the security and random of the proposed scheme chaos map is applied.
为了提高算法的随机性和安全性，引进了混沌技术。
Provide the online security security system of the E-government and build the scheme.
给出了电子政务网络安全保障体系建设方案。
The security analysis show that the scheme is insecure.
分析结果表明，该群签名方案是不安全的。
The security analysis show that the scheme is insecure.
分析结果表明，该群签名方案是不安全的。
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