steganography

American  

[steg-uh-nog-ruh-fee] / ˌstɛg əˈnɒg rə fi /

noun

1. the technique or practice of concealing a secret message or image in a digital file or physical object that is not secret, as when watermarking a digital image or using invisible ink.

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Etymology

Origin of steganography

First recorded in 1565–75; equivalent to Greek steganós “covered” ( see stego- ( def. )) + -graphy ( def. )

Example Sentences

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

From Scientific American • Jun. 15, 2023

Then the team went further, showing that for a steganography scheme to be as computationally efficient as possible, it must be based on a minimum entropy coupling.

From Scientific American • Jun. 15, 2023

The recent rise of generative models that focus on language, or others that produce images or sounds, suggests that perfectly secure steganography might be possible in the real world.

From Scientific American • Jun. 15, 2023

It was a technique called steganography, a means of hiding a data file within the code of another data file.

From BBC • Jan. 16, 2023

Based on steganography, a cryptographic trick in which data are encoded in images, Stencila’s plug-in was written to “bridge that gap between the coders and the clickers”, says founder Nokome Bentley.

From Nature • Mar. 30, 2020