Also found in: Thesaurus, Medical, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.


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 ?
25) By September American analysts served at GCCS, participating fully in cryptanalysis, signal watches, and research functions in a cooperative Allied effort.
One disadvantage of this scheme is that every time the key needs to be changed, a meeting between the concerned parties should be arranged (thus making it susceptible to the brute-force cryptanalysis attacks if the key exchange--meeting--does not happen for an extended period of time).
After 1,000 hours of cryptanalysis, ISSI finds no vulnerability in Hummingbird
Francis Landolf , former chief of cryptanalysis for National Security Agency
The invited paper describes the passive black-box cryptanalysis of an ultra-light protocol after eavesdropping one authentication session.
Examples of specific topics address include real-time identification of IP prefix hijacking, cryptanalysis of a cognitive authentication scheme, network flow watermarking attacks on low-latency anonymous communication systems, usable mandatory integrity protection for operating systems, using rescue points to navigate software recovery, optimal communication complexity of multiphase protocols for perfect communication, and multi-dimensional range query over encrypted data.
The Cryptanalysis and Racketeering Records Unit examines evidence relating to criminal and terrorist organizations.
In addition to ISSI, Revere Security's algorithm underwent extensive cryptanalysis by the University of Waterloo's Center for Applied Cryptographic Research.
The result is the industry's best solution for boosting servers and workstations specifically used in oil & gas, computational finance, cryptanalysis, numerical simulation and bio-computing applications.
Wagstaff, Cryptanalysis of Number Theoretic Ciphers, CRC Press Chapman & Hall, 2003.
Interwoven into the narrative are the highlights of Turing's own life: his years at Cambridge and Princeton, his secret work in cryptanalysis during World War II, his involvement in seminal computer projects, his speculations about artificial intelligence, his arrest and prosecution for the crime of "gross indecency," and his early death by apparent suicide at the age of 41.
Built into IBM's POWER processors -- the chip within IBM's Watson and IBM's Power Systems servers -- speculative popcount is advancing cryptanalysis, real-time error correction for streaming data and the cognitive computing era.