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With the extensive application of the peer-to-peer (P2P) network, the torrent file, a vital part of the BitTorrent P2P network, has become a very popular file format over the Internet. Through detailed analysis, we found that the torrent files are ideal host carriers of steganography. In this paper, we propose a steganography scheme for torrent files, in which two approaches, namely Letter Case Change...
Invisible characters, such as spaces and tabs, can be hidden at the end of each line of webpage, and covert communication happens. To determine whether there is hidden information in webpage, the statistical analysis of stego-webpage is anatomized, and a detection method is presented. The detection method is easy to achieve, and experiments prove the efficiency and reliability of the method.
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