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A subliminal channel can combine with a threshold cryptography to form a new scheme, so that a group of users can share the same subliminal message, and t or more users in the group can cooperatively derive the subliminal message. The existing threshold subliminal channel schemes require users to send their private keys to a message sender. But it is dangerous for users to share their private keys...
With the development of steganalysis, steganalysis- proof ability of steganography is becoming more and more important. The evaluation for steganalysis-proof ability of steganographic algorithms can provide theoretical foundation and promote the development of steganalysis-proof ability of steganographic algorithms. This paper proposes an evaluation scheme for steganalysis-proof ability of steganographic...
In the research area of text steganography, algorithms based on font format have advantages of great capacity, good imperceptibility and wide application range. However, little work on steganalysis for such algorithms has been reported in the literature. Based on the fact that the statistic features of font format will be changed after using font-format-based steganographic algorithms, we present...
An effective detection algorithm based on the randomness is devised in this paper for stego-webpages with different steganographies. The parts where secret information embedded in a webpage can generally be represented as two states, which can be described in binary code string. The randomness of the states varies a great deal depending on the webpage part carrying secret information or not. This...
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