noun Date: 1923 the solving of cryptograms or cryptographic systems, the theory of solving cryptograms or cryptographic systems ; the art of devising methods for ~, cryptanalytic also cryptanalytical adjective
CRYPTANALYSIS
Meaning of CRYPTANALYSIS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012