Analyze the application of attack tree model used in anti-attack test thoroughly and systematically.
深入系统地分析了攻击树模型在抗攻击测试中应用。
An application example is given. Finally the security performance and anti-attack performance from both traditional block encryption algorithm and improved algorithm are analyzed and compared.
并给出了改进算法加密图像数据的应用实例，分析比较了改进后的算法和传统分组密码算法在安全性和抗破译性方面的性能。
Testing data shows that this encryption algorithm is faster than conventional ones and its anti-attack ability is reinforced by encryption improvement and randomization.
测试数据表明，该算法比同类型的加密算法速度快，而且加密方法的变型性以及轮密钥选取的随机性将增强加密算法的抗攻击性。
The experiment results prove that this arithmetic is of better invisibility, robustness and anti-attack.
试验结果证明该算法具有较好的不可见性，鲁棒性和抗攻击性。
The experimental results show that the watermarking algorithm has strong hiding and robustness for anti-attack.
实验结果表明，该水印算法具有很强的隐藏性和抗攻击的鲁棒性。
Numerical simulations have demonstrated that this watermarking scheme has better performances of security and anti-attack.
数值实验表明该水印算法具有良好的抗攻击性和安全性。
The former focuses on the safety of Server and operation system, anti-attack ability of the system, and the isolation of secret information from the outside.
其中，系统安全性重点关注的是服务器和操作系统的安全、系统抗攻击能力以及机密信息对外隔离等问题；
By testing the platform, the result indicated that the embedded platform has enhanced the network printing transmission security and improved the network printer's anti-attack capability effectively.
经过测试，平台有效的增强了网络打印数据的传输安全，提高了网络打印机本身的抗攻击能力。
Therefore, problems of the multi-watermark method applied to increase the anti-attack robustness of the watermarking are discussed in this paper.
单个的数字水印算法或方案难以应付多种攻击方法的攻击，为此，文章对应用多水印方法提高水印抗攻击鲁棒性问题进行探讨。
The analysis shows that this scheme is more efficient, lightweight, secure and stronger in anti-attack than traditional scheme.
经分析表明，该方案比传统方案更高效、轻量、安全、抗攻击能力更强。
What is more, the algorithm is robust to anti-attack tests, and the result from the experiments is quite satisfactory.
同时，分析了该算法的抗攻击能力，试验结果令人满意。
For example, in a military application, a deployed sensor may be captured by the enemy, so wireless sensor network should have anti-attack ability to prevent disclosure of sensitive information.
例如，在军事应用中，部署的无线传感器很有可能被敌方捕获，此时就需要无线传感器网络具有抗攻击能力，防止敏感信息泄露以及网络被破坏。
The strength of the embedded watermark is image-adaptive according to the wavelets quantization noise, and combined with the error-correct code, it improved the characteristic to anti-attack.
根据小波域量化噪声自适应地确定嵌入强度，并结合纠错编码，提高了抗攻击能力。
The final results of experiment prove that the frequency hopping pattern based on this function is good in uniformity, so the system has high complexity and strong anti-attack features.
最后通过实例说明了由该函数产生的跳频图案具有良好的均匀性，从而系统具有较强的隐蔽性和抗破译性。
Experiments show that, the algorithms not only have a certain amount of anti-attack capability, but also have some anti-noise and anti-resample performance.
实验表明，算法具有了一定的抗攻击能力，同时还具有一定的抗噪和抗重采样性能。
Combating terrorism chiefly means performing anti-attack, anti-hijacking and anti-explosion tasks.
反恐怖，主要是反袭击、反劫持、反爆炸。
Combating terrorism chiefly means performing anti-attack, anti-hijacking and anti-explosion tasks.
反恐怖，主要是反袭击、反劫持、反爆炸。
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