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高安全级网络中信息隐蔽传输分析及检测

Keywords: 网络安全,信息技术,统计分析

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Abstract:

针对一种难以用隔离设备消除的、以夹带方式在确定概率分布中隐蔽信息的传输方法,提出了修改的属性偏移检测法和卡方检测法,前者用多个报警值门限来降低多单值检测导致的虚警率,后者选取部分近似均匀概率并进一步合并来提高检测效率.2种方法均不同程度地提高了检出概率.

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