- plaintext-ciphertext transformation
- Безопасность: преобразование открытого текста в шифртекст
Универсальный англо-русский словарь. Академик.ру. 2011.
plaintext-ciphertext transformation
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Ciphertext — The Zimmermann Telegram (as it was sent from Washington to Mexico) encrypted as ciphertext. This article is about encrypted information. For an overview of cryptographic technology in general, see Cryptography. In cryptography, ciphertext (or… … Wikipedia
cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction … Universalium
Hill cipher — Hill s cipher machine, from figure 4 of the patent In classical cryptography, the Hill cipher is a polygraphic substitution cipher based on linear algebra. Invented by Lester S. Hill in 1929, it was the first polygraphic cipher in which it was… … Wikipedia
Stream cipher — The operation of the keystream generator in A5/1, a LFSR based stream cipher used to encrypt mobile phone conversations. In cryptography, a stream cipher is a symmetric key cipher where plaintext digits are combined with a pseudorandom cipher… … Wikipedia
Caesar cipher — The action of a Caesar cipher is to replace each plaintext letter with one fixed number of places down the alphabet. This example is with a shift of three, so that a B in the p … Wikipedia
One-way compression function — In cryptography, a one way compression function is a function that transforms two fixed length inputs to an output of the same size as one of the inputs. The transformation is one way , meaning that it is difficult given a particular output to… … Wikipedia
Enigma machine — Military Enigma machine … Wikipedia
Block cipher — In cryptography, a block cipher is a symmetric key cipher operating on fixed length groups of bits, called blocks, with an unvarying transformation. A block cipher encryption algorithm might take (for example) a 128 bit block of plaintext as… … Wikipedia
Bombe — In the history of cryptography, the Bombe was an electromechanical device used by British cryptologists to help break German Enigma machine signals during World War II. The bombe was designed by Alan Turing, with an important refinement suggested … Wikipedia
Data Encryption Standard — The Feistel function (F function) of DES General Designers IBM First publis … Wikipedia
cipher — cipherable, adj. cipherer, n. /suy feuhr/, n. 1. zero. 2. any of the Arabic numerals or figures. 3. Arabic numerical notation collectively. 4. something of no value or importance. 5. a person of no influence; nonentity. 6. a secret method of… … Universalium
