cryptography

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun the science of analyzing and deciphering codes and ciphers and cryptograms
noun act of writing in code or cipher

From crypto- + -graphy.

"Cryptography and listening and deciphering are our obvious strong points. — Terminal Compromise, Winn Schwartau
An honors graduate of Tokyo University, he'd been the star mathematics professor of Kyoto University when he was summarily conscripted by Prime Minister Tojo to take charge of wartime cryptography, codes. — The Samurai Strategy, Thomas Hoover
Le Chiffre Indéchiffrable During the world war I had been on duty in the intelligence department, and I had taken much interest in the science of cryptography, although not connected personally with the handling of cypher despatches. — In Jeopardy, Van Tassel Sutphen

cryptanalysis, cryptanalytics, cryptology

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