cipher


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cipher:

see cryptographycryptography
[Gr.,=hidden writing], science of secret writing. There are many devices by which a message can be concealed from the casual reader, e.g., invisible writing, but the term cryptography strictly applies to translating messages into cipher or code.
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The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/

cipher

[′sī·fər]
(communications)
A transposition or substitution code for transmitting secret messages.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

cipher

, cypher
1. an obsolete name for zero
2. any of the Arabic numerals (0, 1, 2, 3, etc., to 9) or the Arabic system of numbering as a whole
3. Music a defect in an organ resulting in the continuous sounding of a pipe, the key of which has not been depressed
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

cipher

Pronounced "sy-fer," a cipher is an algorithm that encrypts data. However, the term may also refer to the encrypted data as well. See encryption algorithm, ciphertext and cipherpunk.
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References in periodicals archive ?
Cipher (TSX: CPH) is a specialty pharmaceutical company with a robust and diversified portfolio of commercial and early to late-stage products.
Let E : [F.sup.n.sub.2] [right arrow] [F.sup.n.sub.2] be a encryption algorithm of a block cipher, whose non-linear components are the bijective S-boxes.
Cipher delivers a range of managed security services and security consulting services.
Symmetric cipher can be divided into two types, i.e.
Pending commercial targets, Moberg Pharma is entitled to further milestone payments of USD10m, as well as royalties and supply fees for products delivered, enabling an industry standard gross margin for Cipher.
In cryptography, the Stream Cipher is a light weight cipher which encrypts plain-text bit by bit.
All of the assets and liabilities of Cardiome, other than the Canadian business portfolio to be acquired by Cipher, will be transferred to and assumed by Correvio.
In "Cracking Codes with Python: An Introduction to Building and Breaking Ciphers" he draws upon his experience and expertise to show aspiring Python users how to program in Python while making and breaking ciphers--the algorithms used to create and send secret messages.
CIPHER is already well-scaled to support security system integration, managed security services, and security consulting across these three continents.
With Cipher, customers can eliminate the challenge of having to build and maintain their own IIoT infrastructure to connect their assets to the enterprise.
Simeck Family Block Cipher. The Simeck family block cipher was proposed at CHES 2015 [4], and it succeeded the architecture of SIMON and SPECK [3] and therefore has similar encryption round functions with different numbers of rotation operations and bit rotation operations.