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I've developed a scheme here: http://mjethani.github.io/typo Here's a brief explanation of how it works: http://crypto.stackexchange.com/a/24863/15220 In a nutshell, every 4 bits of the secret message is encoded as a typo in the stegotext. The value of the typo is the 4 least significant bits of the first byte of its SHA-256 hash. For example, the ...



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