Results 11 to 20 of about 635 (41)

The Oribatida v1.3 Family of Lightweight Authenticated Encryption Schemes

open access: yesJournal of Mathematical Cryptology, 2021
Permutation-based modes have been established for lightweight authenticated encryption, as can be seen from the high interest in the ongoing NIST lightweight competition.
Bhattacharjee Arghya   +3 more
doaj   +1 more source

Efficiently Processing Complex-Valued Data in Homomorphic Encryption

open access: yesJournal of Mathematical Cryptology, 2020
We introduce a new homomorphic encryption scheme that is natively capable of computing with complex numbers. This is done by generalizing recent work of Chen, Laine, Player and Xia, who modified the Fan–Vercauteren scheme by replacing the integral ...
Bootland Carl   +3 more
doaj   +1 more source

Quasi-subfield Polynomials and the Elliptic Curve Discrete Logarithm Problem

open access: yesJournal of Mathematical Cryptology, 2020
We initiate the study of a new class of polynomials which we call quasi-subfield polynomials. First, we show that this class of polynomials could lead to more efficient attacks for the elliptic curve discrete logarithm problem via the index calculus ...
Huang Ming-Deh   +4 more
doaj   +1 more source

Can we Beat the Square Root Bound for ECDLP over 𝔽p2 via Representation?

open access: yesJournal of Mathematical Cryptology, 2020
We give a 4-list algorithm for solving the Elliptic Curve Discrete Logarithm (ECDLP) over some quadratic field 𝔽p2. Using the representation technique, we reduce ECDLP to a multivariate polynomial zero testing problem.
Delaplace Claire, May Alexander
doaj   +1 more source

Associative nil-algebras over finite fields [PDF]

open access: yes, 2013
The nilpotency degree of a relatively free finitely generated associative algebra with the identity $x^n=0$ is studied over finite fields.Comment: 12 ...
Artem A. Lopatin, Ivan, P. Shestakov
core   +1 more source

Eisenstein Polynomials over Function Fields

open access: yes, 2015
In this paper we compute the density of monic and non-monic Eisenstein polynomials of fixed degree having entries in an integrally closed subring of a function field over a finite ...
Dotti, Edoardo, Micheli, Giacomo
core   +1 more source

On the Arithmetic Exceptionality of Polynomial Mappings

open access: yes, 2017
In this note we prove that certain polynomial mappings $P_\mathfrak{g}^k(\mathbf{x}) \in \mathbf{Z}[\mathbf{x}]$ in $n$-variables obtained from simple complex Lie algebras $\mathfrak{g}$ of arbitrary rank $n \ge 1$, are exceptional.Comment: 5 ...
Küçüksakallı, Ömer
core   +1 more source

No bursts detected from FRB121102 in two 5-hour observing campaigns with the Robert C. Byrd Green Bank Telescope [PDF]

open access: yes, 2018
Here, we report non-detection of radio bursts from Fast Radio Burst FRB 121102 during two 5-hour observation sessions on the Robert C. Byrd 100-m Green Bank Telescope in West Virginia, USA, on December 11, 2017, and January 12, 2018.
Croft, Steve   +15 more
core   +1 more source

Root multiplicities and number of nonzero coefficients of a polynomial

open access: yes, 2005
It is known that the weight (that is, the number of nonzero coefficients) of a univariate polynomial over a field of characteristic zero is larger than the multiplicity of any of its nonzero roots.
Brindza B., Mattarei S., SANDRO MATTAREI
core   +3 more sources

On sets of irreducible polynomials closed by composition

open access: yes, 2016
Let $\mathcal S$ be a set of monic degree $2$ polynomials over a finite field and let $C$ be the compositional semigroup generated by $\mathcal S$. In this paper we establish a necessary and sufficient condition for $C$ to be consisting entirely of ...
A Batra   +13 more
core   +1 more source

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