steganography

名词 n.
/ˌstɛɡ.ənˈɒɡ.ɹə.fi/    /ˌstɛ.ɡəˈnɔ.ɡɹə.fi/

英文释义

名词 n.
  1. The art and science of concealing a secret message, data, or file within another innocuous message, image, audio file, or physical object in a way that hides the very existence of the hidden information from casual observation. uncountable
  2. The use of small computer files to communicate secret information. uncountable

词源

From Ancient Greek στεγανός (steganós, “cover, roof”) + -graphy.
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