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Definition of: cryptanalysis
(krip′tə·nal′ə·sis) noun plural ·ses (-sēz)
The scientific study and conversion into plain text of cryptograms, ciphers, codes, and other forms of secret communication to which the key is not known. [<CRYPTO- + ANALYSIS]
—cryp·tan·a·lyst (krip·tan′ə·list) noun
—cryp′·tan·a·lyt′ic adjective
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