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。
The whole system has high security, strong independence and lower cost.
整个系统安全性高、独立性强、开发成本较低。
As the watermarking is of chaotic characteristic, it has high security.
该水印具有混沌的特征，安全性也比较高。
As the watermarking is of chaotic characteristic, it has high security.
该水印具有混沌的特征，安全性也比较高。
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