Information-Theoretic Analysis for the Difficulty of Extracting Hidden Information

ZHANGWei-ming、LIShi-qu、CAOJia、LIUJiu-fen

2005Acta Scientiarum Naturalium Universitatis SunyatseniComputer Science被引 1

摘要

The difficulty of extracting hidden information,which is essentially a kind of secrecy, is analyzed by information-theoretic method. The relations between key rate, message rate, hiding capacity and difficulty of extraction are studied in the terms of unicity distance of stego-key, and the theoretic conclusion is used to analyze the actual extracting attack on Least Significant Bit(LSB) steganographic algorithms.

引用本文（GB/T 7714）

ZHANGWei-ming, LIShi-qu, CAOJia, 等. Information-Theoretic Analysis for the Difficulty of Extracting Hidden Information[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2005.

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