Search Results - "Encinas, L. H."

Cryptanalysis of two combinatorial public key cryptosystems by Diaz, R. D., Encinas, L. H., Masque, J. M.

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Analysis of the efficiency of the Chor–Rivest cryptosystem implementation in a safe-parameter range by Encinas, L. Hernández, Masqué, J. Muñoz, Dios, A. Queiruga

“…The Chor–Rivest cryptosystem, based on a high-density knapsack problem on a finite field F q h , was broken by Vaudenay for q ≈ 200 , h ≈ 24 , and h admitting…”
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Known-Plaintext Attack to Two Cryptosystems Based on the BB Equation by Alvarez, G., Encinas, L.H., Masque, J.M.

“…Recently, Rama Murthy and Swamy proposed a symmetric cryptosystem based on the Brahmagupta-Bhaskara (BB) equation. The BB equation is the quadratic Diophantine…”
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A short proof of the generalized Faà di bruno's formula by Encinas, L.Hernández, Masqué, J.Muñoz

“…A short proof of the generalized Faa di Bruno formula is given and an explicit parametrization of the set of indices involved in the coefficient of a specific…”
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A secure scheme to share secret color images by Alvarez, G., Encinas, A. Hernández, Encinas, L. Hernández, del Rey, A. Martín

“…The main goal of this work is to study how discrete dynamical systems can be used to design secret sharing schemes. Specifically, the proposed scheme permits…”
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Faà di Bruno's formula, lattices, and partitions by Encinas, L. Hernández, del Rey, A. Martín, Masqué, J. Muñoz

“…The coefficients of g ( s ) in expanding the rth derivative of the composite function g ∘ f by Faà di Bruno's formula, is determined by a Diophantine linear…”
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Cryptanalysis of a novel cryptosystem based on chaotic oscillators and feedback inversion by Álvarez Marañón, G., Hernández Encinas, L., Montoya Vitini, F., Muñoz Masqué, J.

“…In recent years, a growing number of cryptosystems based on chaos have been proposed [1], many of them fundamentally flawed by a lack of robustness and…”
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Non-degenerate bilinear alternating maps f : V x V → v, dim(v) = 3, over an algebraically closed field by HERNANDEZ ENCINAS, L, MARTIN DEL REY, A, MUNOZ MASQUE, J

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Total curvatures of a closed curve in Euclidean n-space by HERNANDEZ ENCINAS, L, MUNOZ MASQUE, J

“…A classical result by J. W. Milnor states that the total curvature of a closed curve C in the Euclidean n-space is the limit of the total curvatures of…”
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Designing hypermedia tools for solving problems in mathematics by Chamoso Sánchez, José, Hernández Encinas, Luis, López Fernández, Ricardo, Rodrı́guez Sánchez, Mercedes

“…This article presents the design and preparation using hypermedia tools of an interactive CD-ROM for the active teaching and learning of diverse…”
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Large decryption exponents in RSA by Encinas, L.Hernández, Masqué, J.Muñoz, Dios, A.Queiruga

“…A class of RSA encryption exponents whose corresponding decryption exponents have a bitlength almost equal to the bitlength of the RSA modulus is analysed. In…”
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Isomorphism Classes of Genus-2 Hyperelliptic Curves Over Finite Fields by Encinas, L. Hernández, Menezes, Alfred J., Masqué, J. Muñoz

“…We propose a reduced equation for hyperelliptic curves of genus 2 over finite fields F sub(q) of q elements with characteristic different from 2 and 5. We…”
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Elliptic curve cryptography: Java implementation issues by Gayoso Martinez, V., Sanchez Avila, C., Espinosa Garcia, J., Hernandez Encinas, L.

“…Elliptic curve cryptography (ECC) is based in one of the hardest arithmetic problems, the elliptic curve discrete logarithm problem, making ECC a reliable…”
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