key-dependent substitution

См. также в других словарях:

• Substitution box — In cryptography, a substitution box (or S box) is a basic component of symmetric key algorithms. In block ciphers, they are typically used to obscure the relationship between the plaintext and the ciphertext mdash; Shannon s property of confusion …   Wikipedia

• Sallen–Key filter — A Sallen–Key filter is a type of active filter, particularly valued for its simplicity. The circuit produces a 2 pole (12 dB/octave) lowpass or highpass response using two resistors, two capacitors and (usually) a unity gain buffer amplifier.… …   Wikipedia

• Grand Cru (cipher) — Infobox block cipher name = Grand Cru designers = Johan Borst publish date = 2000 derived from = Rijndael key size = 128 bits block size = 128 bits structure = Substitution permutation network rounds = 10 cryptanalysis =In cryptography, Grand Cru …   Wikipedia

• BassOmatic — Infobox block cipher name = BassOmatic caption = designers = Phil Zimmermann publish date = 1991 derived from = derived to = related to = key size = 8 to 2048 bits block size = 2048 bits structure = rounds = 1 ndash;8 cryptanalysis = In… …   Wikipedia

• MULTI2 — Infobox block cipher name = MULTI2 designers = Hitachi publish date = 1988 derived from = derived to = key size = 64 bits block size = 64 bits structure = Feistel network rounds = Variable cryptanalysis = MULTI2 is a block cipher, developed by… …   Wikipedia

• S-Box — In der Kryptografie bezeichnet eine S Box (englisch substitution box) eine Grundkomponente symmetrischer Kryptosysteme. Inhaltsverzeichnis 1 Aufbau 2 Anforderungen 3 Statisch oder Dynamisch …   Deutsch 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

• Europe, history of — Introduction       history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …   Universalium

• Natural deduction — In logic and proof theory, natural deduction is a kind of proof calculus in which logical reasoning is expressed by inference rules closely related to the natural way of reasoning. This contrasts with the axiomatic systems which instead use… …   Wikipedia

• List of Statutory Instruments of the United Kingdom, 1994 — This is a complete list of all 1851 Statutory Instruments published in the United Kingdom in the year 1994. NOTOC 1 100* Public Telecommunication System Designation (Vodafone Limited) Order 1994 S.I. 1994/1 * Oxfordshire County Council (Shifford… …   Wikipedia

• Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …   Universalium