【摘要】 本文首先解释了隐蔽通道的概念,介绍了隐蔽通道的分类。然后花主要精力,结合实例概述了当代国际上已经使用过的隐蔽通道的方法。并且对目前已有的这些方法从不同的方面给出了对比性的评价。在文章的讨论部分,作者基于目前的形势以及传统发现方法的限制给出了针对隐蔽通道发现方法建设性的见解和展望。更多还原

【Abstract】 This paper begins with the introduction of the notion or the definition of covert channel. After explaining the classification of the covert channels, it spent most of its words on the covert channel identification methods currently available in the CCA (covert channel analysis)community. Then it compares the methods with each other in different aspects. In the discussion session, the paper analyzes the limitations of these methods and gives out some constructive suggestions.更多还原