substitution box - определение. Что такое substitution box
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Что (кто) такое substitution box - определение

BASIC COMPONENT OF SYMMETRIC KEY ALGORITHMS WHICH PERFORMS SUBSTITUTION
Cryptography/s-box; Substitution boxes; SBox; S box; S-boxes; Sbox; S-Box; S Box; Substitution box; S-table
Найдено результатов: 2148
S-box         
In cryptography, an S-box (substitution-box) is a basic component of symmetric key algorithms which performs substitution. In block ciphers, they are typically used to obscure the relationship between the key and the ciphertext, thus ensuring Shannon's property of confusion.
Weierstrass substitution         
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TECHNIQUE TO INTEGRATE RATIONAL FUNCTIONS INVOLVING TRIGONOMETRIC FUNCTIONS.
Weierstraß substitution; Weierstrass substitution method; Weierstrass substitution formula; Weierstrass substitution formulas; Weierstrass' substitution; The Weierstrass Substitution; Weierstrass Substitution; The Weierstrass substitution; The tangent half-angle substitution; Tangent half angle substitution; Weierstrass substitution; Universal trigonometric substitution
In integral calculus, the Weierstrass substitution or tangent half-angle substitution is a method for evaluating integrals, which converts a rational function of trigonometric functions of x into an ordinary rational function of t by setting t = \tan (x /2).Weisstein, Eric W.
Substitution tiling         
TERM IN MATHEMATICS
Tile-substitution; Tile substitution
In geometry, a tile substitution is a method for constructing highly ordered tilings. Most importantly, some tile substitutions generate aperiodic tilings, which are tilings whose prototiles do not admit any tiling with translational symmetry.
Tangent half-angle substitution         
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TECHNIQUE TO INTEGRATE RATIONAL FUNCTIONS INVOLVING TRIGONOMETRIC FUNCTIONS.
Weierstraß substitution; Weierstrass substitution method; Weierstrass substitution formula; Weierstrass substitution formulas; Weierstrass' substitution; The Weierstrass Substitution; Weierstrass Substitution; The Weierstrass substitution; The tangent half-angle substitution; Tangent half angle substitution; Weierstrass substitution; Universal trigonometric substitution
In integral calculus, the tangent half-angle substitution – known in Russia as the universal trigonometric substitution, p. 379 sometimes misattributed as the Weierstrass substitution,James Stewart mentioned Karl Weierstrass when discussing the substitution in his popular 1987 calculus textbook:
Substitutionary atonement         
THEORY OF ATONEMENT IN CHRISTIANITY
Penal Substitution; Atonement (Substitutionary view); Atonement (penal substitution view); Atonement (substitutionary view); Substitutionary Atonement; Penal Theory of Atonement; Penal substitutionary theory; Penal Theory of the Atonement; Substitutionary sacrifice; Substitutionary Atonement of Christ; Substitutionary atonement of Christ; Penal substitutionary atonement
Substitutionary atonement, also called vicarious atonement, is a central concept within Christian theology which asserts that Jesus died "for us", as propagated by the Western classic and objective paradigms of atonement in Christianity, which regard Jesus as dying as a substitute for others, "instead of" them.
poor box         
BOX THAT IS USED TO COLLECT COINS FOR CHARITABLE PURPOSES
Alms box; Offertory box; Mite box
¦ noun historical a collection box, especially one in a church, for gifts of money to aid the poor.
Red box (government)         
  • 2014 budget]]
  • Budget box of [[William Gladstone]], who was [[Chancellor of the Exchequer]] between 1852 and 1882
  • The [[Lieutenant Governor of Nova Scotia]]'s red box
A TYPE OF DESPATCH BOXES
Ministerial red box; Ministerial box; Document box; Budget box
Red boxes, or sometimes ministerial boxes, are a type of despatch box produced by Barrow Hepburn & Gale or Wickwar & Co and are used by ministers in the British government and the British monarch to carry government documents. Similar in appearance to a briefcase, they are primarily used to hold and transport official ministerial papers.
White box (software engineering)         
SYSTEM WHOSE INTERNALS CAN BE VIEWED BUT NOT ALTERED
White box (engineering); Glass box; Open box
A white box (or glass box, clear box, or open box) is a subsystem whose internals can be viewed but usually not altered.Patrick J.
Substitution (algebra)         
CONCEPT IN LOGIC; SYNTACTIC TRANSFORMATION ON FORMAL EXPRESSIONS
Substitution instance; Substitution (algebra); Ground instance; Algebraic substitution; Identity substitution
In algebra, the operation of substitution can be applied in various contexts involving formal objects containing symbols (often called variables or indeterminates); the operation consists of systematically replacing occurrences of some symbol by a given value.
post office box         
  • PO boxes inside the [[NamPost]] main building in [[Windhoek]].
  • General Post Office]], Hong Kong.
  • Haslen]], [[Switzerland]]
  • Post office boxes next to the [[S-market]] [[supermarket]] in [[Klaukkala]], [[Finland]]
UNIQUELY ADDRESSABLE LOCKABLE BOX LOCATED ON THE PREMISES OF A POST OFFICE STATION
P.O. Box; Post Office Box; P.O. box; PO box; P.O. boxes; PO boxes; PO Box; Po box; Post Office box; Postal box; P. O. Box; Postal Box; Postal Mail Box; Postal mailbox; Delivery locker; Post-office box; Postoffice box
(post office boxes)
A post office box is a numbered box in a post office where a person's mail is kept for them until they come to collect it.
= PO Box
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Википедия

S-box

In cryptography, an S-box (substitution-box) is a basic component of symmetric key algorithms which performs substitution. In block ciphers, they are typically used to obscure the relationship between the key and the ciphertext, thus ensuring Shannon's property of confusion. Mathematically, an S-box is a nonlinear vectorial Boolean function.

In general, an S-box takes some number of input bits, m, and transforms them into some number of output bits, n, where n is not necessarily equal to m. An m×n S-box can be implemented as a lookup table with 2m words of n bits each. Fixed tables are normally used, as in the Data Encryption Standard (DES), but in some ciphers the tables are generated dynamically from the key (e.g. the Blowfish and the Twofish encryption algorithms).