Meaning of cilly | Babel Free

Definitions

Any predictable facet of the Enigma Machine cipher due to operator error or laziness, whose existence helped the Allies to break the code.

historical

Examples

“Another type of cilly was the repeated use of the same message key, perhaps the initials of the operator's girlfriend […]”

“Answer c is a reference to a cilly, which was a three-character message key used in the German Enigma machine.”

“Taunt describes the work involved in breaking Enigma messages, cribs, cillies, the Herivel tip, help from Bombes and more.”

“By 1944, cillies had already become rare; hence, Bletchley Park had already found other breaks into the Enigma nets.”

“Cillies resulted from a combination of two different mistakes in a multi-part message by some Enigma operators.”

CEFR level