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Obfuscation is the concealment of intended meaning in communication, making communication confusing, intentionally ambiguous, and more difficult to interpret.



Obfuscation may be used for many purposes. Doctors have been accused of using jargon to conceal unpleasant facts from a patient; American author Michael Crichton claimed that medical writing is a "highly skilled, calculated attempt to confuse the reader".[1] B. F. Skinner, noted psychologist, commented on medical notation as a form of multiple audience control, which allows the doctor to communicate to the pharmacist things which might be opposed by the patient if they could understand it.[2] Similarly text-based language, like gyaru-moji and some forms of leet are obfuscated to make them incomprehensible to outsiders.

"Eschew obfuscation"

"Eschew obfuscation", also stated as "eschew obfuscation, espouse elucidation", is a humorous fumblerule used by English teachers and professors when lecturing about proper writing techniques.

Literally, the phrase means "avoid being unclear" or "avoid being unclear, support being clear", but the use of relatively uncommon words causes confusion, making the phrase an example of irony, and more precisely a heterological or hypocritical phrase (it does not embody its own advice).

The phrase has appeared in print at least as early as 1959, when it was used as a section heading in a NASA document.[3]

An earlier similar phrase appears in Mark Twain's Fenimore Cooper's Literary Offenses,[4] where he lists rule fourteen of good writing as "eschew surplusage".

The linguist Paul Grice used the phrase in the "Maxim of Manner", one of the Gricean maxims.


In cryptography, obfuscation refers to encoding the input data before it is sent to a hash function or other encryption scheme.[citation needed] This technique helps to make brute force attacks unfeasible, as it is difficult to determine the correct cleartext.

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