Modular exponentiation is exponentiation performed over a modulus. It is useful in computer science, especially in the field of public-key cryptography...
21 KB (2,759 words) - 07:00, 17 May 2025
square-and-multiply algorithms or binary exponentiation. These can be of quite general use, for example in modular arithmetic or powering of matrices. For...
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discrete logarithm problem. The computation of ga mod p is known as modular exponentiation and can be done efficiently even for large numbers. Note that g...
48 KB (5,437 words) - 22:41, 31 May 2025
U 2 j {\displaystyle U^{2^{j}}} . This can be accomplished via modular exponentiation, which is the slowest part of the algorithm. The gate thus defined...
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well-studied at the time. Moreover, like Diffie-Hellman, RSA is based on modular exponentiation. Ron Rivest, Adi Shamir, and Leonard Adleman at the Massachusetts...
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Algorithm (IDEA), and RC4. RSA and Diffie–Hellman use modular exponentiation. In computer algebra, modular arithmetic is commonly used to limit the size of...
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In mathematics, exponentiation, denoted bn, is an operation involving two numbers: the base, b, and the exponent or power, n. When n is a positive integer...
104 KB (13,637 words) - 11:23, 4 June 2025
primality test. Both the provable and probable primality tests rely on modular exponentiation. To further reduce the computational cost, the integers are first...
8 KB (1,158 words) - 16:41, 12 November 2024
However, when performing many multiplications in a row, as in modular exponentiation, intermediate results can be left in Montgomery form. Then the initial...
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provide equivalent security, compared to cryptosystems based on modular exponentiation in Galois fields, such as the RSA cryptosystem and ElGamal cryptosystem...
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is known. The relative cost of exponentiation. Though it can be implemented more efficiently using modular exponentiation, when large values of m are involved...
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Standard for digital signatures, based on the mathematical concept of modular exponentiation and the discrete logarithm problem. In a digital signature system...
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Discrete logarithm (category Modular arithmetic)
Regardless of the specific algorithm used, this operation is called modular exponentiation. For example, consider Z17×. To compute 3 4 {\displaystyle 3^{4}}...
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a} randomly from 2 through p − 2 {\displaystyle p-2} and uses modular exponentiation to check whether a ( p − 1 ) / 2 ± 1 {\displaystyle a^{(p-1)/2}\pm...
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46}).} Van Meter, Rodney; Itoh, Kohei M. (2005). "Fast Quantum Modular Exponentiation". Physical Review. 71 (5): 052320. arXiv:quant-ph/0408006. Bibcode:2005PhRvA...
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carry out these modular exponentiations, one could use a fast exponentiation algorithm like binary or addition-chain exponentiation). The algorithm can...
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Fermat primality test (category Modular arithmetic)
respectively, hence testing them adds no value. Using fast algorithms for modular exponentiation and multiprecision multiplication, the running time of this algorithm...
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are coprime. With that provision, x is the modular multiplicative inverse of a modulo b, and y is the modular multiplicative inverse of b modulo a. Similarly...
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Solovay–Strassen primality test (category Modular arithmetic)
return composite return probably prime Using fast algorithms for modular exponentiation, the running time of this algorithm is O(k·log3 n), where k is the...
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is based on the assumption that this Rabin function is one-way. Modular exponentiation can be done in polynomial time. Inverting this function requires...
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{n}}.} Here the matrix power Am is calculated using modular exponentiation, which can be adapted to matrices. A Fibonacci prime is a Fibonacci...
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Modulo (redirect from Modular operation)
Gauss' approach to modular arithmetic in 1801. Modulo (mathematics), general use of the term in mathematics Modular exponentiation Turn (angle) Mathematically...
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mathematically speaking, multiplication of natural numbers is just "exponentiation in the additive monoid", this multiplication method can also be recognised...
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+ 1 contains only small factors. It uses Lucas sequences to perform exponentiation in a quadratic field. It is analogous to Pollard's p − 1 algorithm....
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selection here is not imperative) compute g = gcd(aM − 1, n) (note: exponentiation can be done modulo n) if 1 < g < n then return g if g = 1 then select...
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Euclidean Lehmer's Modular square root Cipolla Pocklington's Tonelli–Shanks Berlekamp Other algorithms Chakravala Cornacchia Exponentiation by squaring Integer...
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Euclidean Lehmer's Modular square root Cipolla Pocklington's Tonelli–Shanks Berlekamp Other algorithms Chakravala Cornacchia Exponentiation by squaring Integer...
27 KB (6,356 words) - 20:08, 10 April 2025
Euclidean Lehmer's Modular square root Cipolla Pocklington's Tonelli–Shanks Berlekamp Other algorithms Chakravala Cornacchia Exponentiation by squaring Integer...
25 KB (2,983 words) - 11:39, 19 April 2025
bits would double each iteration). The same strategy is used in modular exponentiation. Starting values s0 other than 4 are possible, for instance 10,...
21 KB (3,518 words) - 12:01, 1 June 2025
Euclidean Lehmer's Modular square root Cipolla Pocklington's Tonelli–Shanks Berlekamp Other algorithms Chakravala Cornacchia Exponentiation by squaring Integer...
36 KB (4,743 words) - 09:06, 10 April 2025