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cryptography

[krip-tog-ruh-fee] /krɪpˈtɒg rə fi/
noun
1.
the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like.
Compare cryptanalysis (def 2).
2.
the procedures, processes, methods, etc., of making and using secret writing, as codes or ciphers.
3.
anything written in a secret code, cipher, or the like.
Origin
1635-1645
1635-45; crypto- + -graphy
Related forms
cryptographer, cryptographist, noun
cryptographic
[krip-tuh-graf-ik] /ˌkrɪp təˈgræf ɪk/ (Show IPA),
cryptographical, cryptographal, adjective
cryptographically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for cryptographic
  • This benefit has contributed to its popularity in cryptographic software.
British Dictionary definitions for cryptographic

cryptography

/krɪpˈtɒɡrəfɪ/
noun
1.
the science or study of analysing and deciphering codes, ciphers, etc; cryptanalysis
Derived Forms
cryptographer, cryptographist, cryptologist, noun
cryptographic (ˌkrɪptəˈɡræfɪk), cryptographical, adjective
cryptographically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for cryptographic

cryptography

n.

1650s, from French cryptographie or directly from Modern Latin cryptographia, from Greek kryptos "hidden" (see crypt) + -graphy. Related: Cryptograph; cryptographer.

Online Etymology Dictionary, © 2010 Douglas Harper
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cryptographic in Culture

cryptography definition


The science of coding and decoding messages so as to keep these messages secure. Coding (see encryption) takes place using a key that ideally is known only by the sender and intended recipient of the message.

Note: Historically used in warfare, cryptography is now used routinely in computer networks. This often pits the desire of individuals and businesses to keep Internet information private against the need of government to investigate crime and terrorism.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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