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1. The analysis and deciphering of cryptographic writings or systems.
2. also crypt·an·a·lyt·ics (krĭp′tăn-ə-lĭt′ĭks)(used with a sing. verb) The study of techniques for deciphering cryptographic writings or systems.

crypt·an′a·lyst (krĭp-tăn′ə-lĭst) n.
crypt·an′a·lyt′ic (-lĭt′ĭk) adj.
crypt·an′a·lyze′ (-ə-līz′) adj.


(Communications & Information) the study of codes and ciphers; cryptography
[C20: from cryptograph + analysis]
cryptanalytic, cryptanalytical adj
cryptˈanalyst n


(ˌkrɪp təˈnæl ə sɪs)

1. the procedures, processes, methods, etc., used to translate or interpret secret writings, as codes and ciphers, for which the key is unknown.
2. the science or study of such procedures. Compare cryptography.
[1920–25, Amer.; crypt (ogram) + analysis]
crypt`an•a•lyt′ic (-tæn lˈɪt ɪk) adj.
crypt`an•a•lyt′i•cal•ly, adv.
crypt•an′a•lyst (-ɪst) n.


The steps and operations performed in converting encrypted messages into plain text without initial knowledge of the key employed in the encryption.


1. the procedures and methods used in translating or interpreting codes and ciphers.
2. the science or study of such procedures. Also cryptanalytics. — cryptanalyst, n. — cryptanalytic, cryptanalytical, adj.
See also: Code
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cryptanalysis - the science of analyzing and deciphering codes and ciphers and cryptograms
science, scientific discipline - a particular branch of scientific knowledge; "the science of genetics"
References in periodicals archive ?
She worked as a cypher clerk at the Bletchley Park codebreaking centre and later became Mayor of Cambridge and a Conservative minister.
His subject was the creation of Bletchley Park during WWII for codebreaking and intelligence gathering and all of the characters who did so much for the war effort but whose work had to stay secret until years after the war had ended.
But nothing he watched then could ever compare with what he witnessed on December 27, 1941, when, as a 37-year-old naval intelligence officer attached to the Bletchley Park codebreaking centre, he evaded bullets fired at him by German snipers while he clambered on board one of their armed trawlers beached on Vagsoy Island, off the coast of Norway, so that he could seize her Enigma codebooks.
At 18, she volunteered for the Wrens - and after basic training was chosen to work on Alan Turing's codebreaking machines at Bletchley Park.
For more than half a century, students in training to become experts in numerous fields at the National Security Agency have participated in rigorous training at the National Cryptologic School learning everything from foreign languages to codebreaking.
Dilly's Girls - the women Dilly Knox surrounded himself with at the codebreaking huts in Bletchley Park
William, the teenage hero has an exceptional talent as a codebreaker, and when he wins a competition, he is recruited to join an elite codebreaking school in Britain.
VETERANS who helped crack the Nazis' Enigma cipher are reunited at our former codebreaking HQ yesterday.
The Enigma was used to encode and decode messages sent by the various branches of the Nazi military, but the British mathematician Alan Turing and his team at Britain's wartime codebreaking centre, Bletchley Park, cracked the codes.
It was an often fiendishly-difficult game of codebreaking in which one player (who had the easy, but dull, part) set a code using four coloured pegs.
The Fleming brothers are interesting, but their work was relatively insignificant compared to that of the codebreaking teams at suburban London's Bletchley Park, for example.