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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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cryptanalyst - decoder skilled in the analysis of codes and cryptograms
decipherer, decoder - the kind of intellectual who converts messages from a code to plain text
References in periodicals archive ?
1] is of interest to the cryptanalyst and can be found as above by knowledge of 2n ciphertext and plaintext pairs.
The incident convinced the former cryptanalyst at the Government's GCHQ in Cheltenham that there is more to life than the world we live in.
Furthermore, knowledge of the general cryptographic system, the part embodied in the chip, does not by itself enable a cryptanalyst to read a message.
Peterson is a certified NSA cryptanalyst and a frequent speaker at national information security conferences.
The movie, following the life of British cryptanalyst Alan Turing, who was praised for decrypting German intelligence codes until authorities discovered he was gay, won the award for best adapted screenplay.
They also showed that when a cryptanalyst has access to an oracle for any mode of operation, then almost all other related cipher modes can be easily attacked.
Binney, a veteran US government cryptanalyst was commenting on Microsoft President and Chief Legal Officer Brad Smith's comments on Sunday when he accused the NSA for its role in weaponizing a weakness in Windows which was then stolen by hackers and used in history's largest ransomware attack.
Alan Turing was an EnglishA computer scientist,A mathematician, logician and cryptanalyst who played a key role in breaking the code of the Nazi Enigma cipher machines during World War II.
A cryptanalyst studies vulnerabilities of ciphers and other cryptographic techniques.
The chosen/known plain image attack is a powerful cryptanalyst attack, which has broken several image encryption algorithms based on chaos.
Bletchley Park: Code-Breaking's Forgotten Genius BBC Two, 9pm Mathematician and cryptanalyst Gordon Welchman (above) was one of the original elite code-breakers at Bletchley Park and played a crucial part in the Allies defeating Germany.