cover text

noun

1. a text that conceals an encoded message.

Example Sentences

The response began: As sirens blared with instructions to take cover, text messages went out to students, faculty and staff.

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The first step would be to choose a cover text distribution — that is, a giant collection of possible words to use in the message, as would come from ChatGPT or a similar large language model — that would hide the ciphertext.

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In the case of steganography, one of those distributions represents the cover text, and the other represents the ciphertext, which contains the hidden message.

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Then, the program would use that language model to approximate a minimum entropy coupling between the cover text and the ciphertext, and that coupling would generate the string of characters that would be sent by text.

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But Cachin’s proof depended on a critical assumption about the message hiding the secret, known as the cover text.

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