Construcción de matrices MDS combinando los esquemas Feistel y Lai-Massey

Autores/as

  • Ramses Rodríguez Aulet Instituto de Criptografía, Universidad de La Habana, La Habana
  • Reynier A. de la Cruz Jiménez Instituto de Criptografía, Universidad de La Habana, La Habana, Cuba https://orcid.org/0009-0003-9666-4548

Palabras clave:

Difusión, Matriz involutiva, Matriz casi involutiva, Matriz MDS

Resumen

En criptografía, las matrices separables por distancia máxima (MDS) son un elemento estructural importante para proporcionar la propiedad de difusión en los cifrados de bloques, cifrados de flujo y funciones hash. Descubrir nuevos tipos de transformaciones que puedan generar una serie de nuevas matrices MDS que puedan usarse en la práctica no es una tarea trivial. En este artículo proponemos nuevos métodos para construir matrices combinando las conocidas estructuras de Feistel y Lai-Massey.

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Citas

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Publicado

2024-03-26 — Actualizado el 2019-06-27

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Cómo citar

[1]
Rodríguez Aulet, R. y de la Cruz Jiménez, R.A. 2019. Construcción de matrices MDS combinando los esquemas Feistel y Lai-Massey. Ciencias matemáticas. 33, 1 (jun. 2019), 87–92.

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Artículo Original