摘要： 阐述了网络秘密信道的通信系统模型，提出了秘密信道的分类方法，深入研究了建立网络秘密信道的机理，并指出了基于数字水印技术和阈下通道技术建立网络秘密信道的可行性。对典型的建立网络秘密信道的工具作了仔细剖析，并在此基础上给出了有效的应对策略。

关键词: 信息安全, 数据伪装, 秘密信道

Abstract: The model of communication system using convert channel is presented in this paper, and the convert channel is classified. This paper also studies the mechanism of setting up the convert channel, and points out the feasibility of convert channel based on the digital-watermark and the subliminal channel. The effective counteractions are presented on the basis of the parsing of the typical convert channel tools.

中图分类号: 

• TP393.08