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1. Computers Any of various mathematical techniques for encrypting and decrypting data in order to keep it private when transmitted or stored electronically.
2. The process or skill of communicating in or deciphering secret writings or ciphers.
3. Secret writing.

cryp′to·graph′ic (-tə-grăf′ĭk) adj.
cryp′to·graph′i·cal·ly adv.


(krɪpˈtɒɡrəfɪ) or


(Communications & Information) the science or study of analysing and deciphering codes, ciphers, etc; cryptanalysis
crypˈtographer, crypˈtographist, crypˈtologist n
cryptographic, ˌcryptoˈgraphical, cryptologic, ˌcryptoˈlogical adj
ˌcryptoˈgraphically adv


(krɪpˈtɒg rə fi)

the study or the application of the techniques of secret writing, esp. code and cipher systems. Compare cryptanalysis.
cryp•tog′ra•pher, cryp•tog′ra•phist, n.
cryp`to•graph′ic (-təˈgræf ɪk) cryp`to•graph′i•cal, adj.


1. the science or study of secret writing, especially code and cipher systems.
2. the procedures and methods of making and using secret languages, as codes or ciphers. — cryptographer, cryptographist, n.cryptographic, cryptographical, cryptographal, adj.
See also: Writing
1. the science or study of secret writing, especially code and cipher systems.
2. the procedures and methods of making and using secret languages, as codes or ciphers. — cryptographer, cryptographist, n. — cryptographic, cryptographical, cryptographal, adj.
See also: Language
1. the science or study of secret writing, especially codes and ciphers.
2. the procedures and methods of making and using codes and ciphers. — cryptographer, cryptographist, n. — cryptographic, adj.
See also: Code
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cryptography - the science of analyzing and deciphering codes and ciphers and cryptograms
science, scientific discipline - a particular branch of scientific knowledge; "the science of genetics"
2.cryptography - act of writing in code or cipher
committal to writing, writing - the activity of putting something in written form; "she did the thinking while he did the writing"
encoding, encryption - the activity of converting data or information into code
recoding - converting from one code to another
decipherment, decoding, decryption - the activity of making clear or converting from code into plain text; "a secret key or password is required for decryption"
References in periodicals archive ?
Internet entrepreneur Max Levchin's annual prize, the Levchin Prize for Real-World Cryptography honors significant contributions by entrepreneurs dedicated to solving global, real-world cryptography issues, the company said.
Synopsis: Cryptography is the practice and study of techniques for secure communication in the presence of third parties called adversaries.
Xiong, Qin, and Vasilakos assimilate the existing literature to provide a thorough picture of certificateless public key cryptography, a new paradigm developed in 2003 to retain the merits of identification-based public key cryptography and traditional public key infrastructure simultaneously.
Computational number theory and modern cryptography.
Cryptography is one of the most intimidating aspects of computer security, conjuring up, as it does, such concepts as hash functions and public-key infrastructures.
The business of keeping secrets is called cryptography, from the Greek *** ("hidden") and *** ("writing").
The SmartMIPS architecture addresses smart card requirements, including advanced complex cryptography and secure transactions, and also will be an elegant solution for other secure platform applications.
It is, in fact, an important book that illuminates a critical public issue of our era: whether the power of encryption tools for cryptography can be trusted to individuals - tools that have, for instance, the potential to make wiretaps a thing of the past.
Unfortunately, in the critical area of cryptography (the use of mathematical formulas to scramble information into digital codes), government policy is not keeping pace with developments in the market and the technology.
In 1994, officials ruled that a cryptography textbook that contained complete computer programs for several strong cryptographic schemes was freely exportable.
Broadcom is a prominent technology innovator and global leader in semiconductors for a wide range of sophisticated secure applications," said Carole Coplan, vice president of business development, tamper resistance solutions, Cryptography Research.
The book offers a balance between the theoretical foundations of cryptography and its practical implementation with the programming language C++.

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