transcendental mathematical functions is difficult because the number of extra digits that need to be calculated to resolve whether to round up or down cannot be...
68 KB (8,628 words) - 06:05, 8 July 2025
In topology and in calculus, a round function is a scalar function M → R {\displaystyle M\to {\mathbb {R} }} , over a manifold M {\displaystyle M} , whose...
3 KB (463 words) - 18:38, 24 March 2023
Feistel cipher (redirect from F-function)
similar operations, and both consist of iteratively running a function called a "round function" a fixed number of times. Many modern symmetric block ciphers...
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transformation known as the round function, with each iteration referred to as a round. Usually, the round function R takes different round keys Ki as a second...
51 KB (6,569 words) - 04:44, 14 July 2025
cryptographic hash function based on Daniel J. Bernstein's ChaCha stream cipher, but a permuted copy of the input block, XORed with round constants, is added...
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Salsa20 (section Reduced-round ChaCha)
a new round function that increases diffusion and increases performance on some architectures. Both ciphers are built on a pseudorandom function based...
32 KB (3,624 words) - 17:22, 25 June 2025
In cryptography, a round or round function is a basic transformation that is repeated (iterated) multiple times inside the algorithm. Splitting a large...
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Modulo (redirect from Mod function)
q=\operatorname {round} \left({\frac {a}{n}}\right)} where round is the round function (rounding half to even). Thus according to equation (1), the remainder...
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RRDtool (redirect from Consolidation function)
consolidated according to a consolidation function (CF) to form a consolidated data point (CDP). Typical consolidation functions are average, minimum, maximum. After...
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alternative to the Feistel network for converting a non-invertible keyed round function to an invertible keyed cipher. It is used in IDEA and IDEA NXT. The...
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KASUMI (section Function FL)
KIi are round keys for the ith round. The round functions for even and odd rounds are slightly different. In each case the round function is a composition...
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32 for small block sizes). The original Block TEA applies the XTEA round function to each word in the block and combines it additively with its leftmost...
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2013. The algorithm has a 16-round modified Feistel network structure, with an additional key-dependent mixing function after every 2 rounds. The block...
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48 or 64 bits in size. The corresponding key is 2, 3 or 4 words. The round function consists of two rotations, adding the right word to the left word, xoring...
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approximately 232 encryptions. GOST is a Feistel network of 32 rounds. Its round function is very simple: add a 32-bit subkey modulo 232, put the result through...
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mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the...
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DES, but with the addition of a key-dependent bit permutation in the round function. The key-dependent bit permutation is implemented efficiently in software...
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Advanced Encryption Standard (section The AddRoundKey)
algebraic properties, the S-box is constructed by combining the inverse function with an invertible affine transformation. The S-box is also chosen to avoid...
50 KB (5,679 words) - 09:32, 6 July 2025
Floor and ceiling functions In mathematics, the floor function is the function that takes as input a real number x, and gives as output the greatest integer...
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bent functions, key-dependent rotations, modular addition and subtraction, and XOR operations. There are three alternating types of round function, but...
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itself, except the AddRoundKey function is replaced by an AddRoundConstant function that adds a predetermined constant in each round. The Whirlpool algorithm...
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The round function is even more complicated than that of CIPHERUNICORN-E, but the extra mixing function between rounds has been removed. The round function...
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Feistel network structure of DES to larger block sizes. In each round, the DES round function is applied to the rightmost 32-bit subblock, and the result...
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severe design flaw, involving the key schedule but not the underlying round function, it was generally accepted as being a hoax—but one with an astonishing...
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with 40-bit export restrictions. All of these ciphers use the same round function consisting of four stages, as shown in the diagram: a key-mixing stage...
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unbalanced one unlike the main network — but using the same F-function. The LOKI97 round function (shown right) uses two columns each with multiple copies...
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The round function in Rijndael consists of three parts: a nonlinear layer, a linear mixing layer, and a key-mixing XOR layer. The round function in Serpent...
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{CR}}} . The round {\displaystyle {\mbox{round}}} function should round the argument to the nearest integer, with ties rounded up (that is, round ( 3.4999...
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Richard Outerbridge. DEAL is a Feistel network which uses DES as the round function. It has a 128-bit block size and a variable key size of either 128,...
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Banker's rounding as the default behavior when converting real numbers to integers with the Round function. ? Round(2.5, 0) gives 2, ? Round(3.5, 0) gives...
38 KB (4,343 words) - 13:32, 24 April 2025