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cryptography n. 密碼使用法,密碼 密碼使用法,密碼 cryptography密碼術 cryptography密碼學 cryptography n 1: the science of analyzing and deciphering codes and ciphers and cryptograms [ synonym: { cryptanalysis}, { cryptanalytics}, { cryptography}, { cryptology}] 2: act of writing in code or cipher [ synonym: { cryptography}, { coding}, { secret writing}, { steganography}] Cryptography \ Cryp* tog" ra* phy\ (- f?), n. [ Cf. F. cryptographie.] 1. The act or art of writing in code or secret characters; also, secret characters, codes or ciphers, or messages written in a secret code. [ 1913 Webster PJC] 2. The science which studies methods for encoding messages so that they can be read only by a person who knows the secret information required for decoding, called the key; it includes { cryptanalysis}, the science of decoding encrypted messages without possessing the proper key, and has several other branches; see for example { steganography}. [ PJC] 48 Moby Thesaurus words for " cryptography": cipher, code, coded message, coup de plume, criticism, cryptanalysis, cryptoanalysis, cryptoanalytics, cryptogram, cryptograph, cryptographer, cryptology, diagnostics, engrossment, epigraphy, exegetics, hermeneutics, ink spilling, inkslinging, inscription, invisible ink, lettering, lexicography, literary criticism, macrography, metoposcopy, micrography, oneirology, paleography, pathognomy, pen, pen- and- ink, pencil driving, physiognomics, physiognomy, scrivenery, scrivening, secret language, secret writing, semeiology, semeiotics, sympathetic ink, symptomatology, textual criticism, tropology, typewriting, typing, writing
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