cryptanalysisn.
/ˌkrɪptəˈnalᵻsɪs/, U.S. /ˌkrɪptəˈnæləsəs/ Originally U.S.
The analysis and decryption of encrypted text or information without prior knowledge of the keys; (also) the science or study of this.
ΘΚΠ
the mind > mental capacity > knowledge > secrecy, concealment > code, cipher > decoding, deciphering > [noun]
decipher1545
deciphering1552
decipheration1651
decipherment1782
decipherage1851
decoding1897
cryptanalysis1923
code cracking1931
decrypting1938
code breaking1945
decryption1946
1923 W. F. Friedman (title) Elements of cryptanalysis.
1932 Pop. Mech. Sept. 411/1 He followed a rule of cryptanalysis that may be simply stated: Some words are more popular than others.
1962 R. Bellman Math. Probl. Biol. Sci. p. vii For those with a penchant for cryptoanalysis, here is a cipher well worth breaking.
1984 Times 18 Feb. 10/1 Banks, finance houses, oil companies and many public and private organizations are employing experts in cryptography to protect..data from unauthorized access, modification and theft through cryptanalysis.
2005 Wired Feb. 53/1 Some of our sharpest thinkers are heading off terrorists with innovations in cryptanalysis.
This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022).
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n.1923