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Algoritmo de encriptación de imágenes basado en la transformación dinámica de rombo y el modelo de tubo digital

Xiaoqiang Zhang1, Yupeng Song1, Ke Huang1

  • 1School of Information and Control Engineering, China University of Mining and Technology, Xuzhou 221116, China.

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Resumen
Este resumen es generado por máquina.

Este estudio introduce un nuevo algoritmo de encriptación de imágenes utilizando una transformación dinámica de rombo y un modelo de tubo digital. El método mejora la seguridad de la imagen contra varios ataques, garantizando el almacenamiento y la transmisión seguros.

Palabras clave:
Distancia desde ManhattanSistema caóticodifusión dinámicaTransformación dinámica de romboCifrado de imágenes

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Área de la Ciencia:

  • Ciencias de la computación
  • Criptografía
  • Seguridad de la información

Sus antecedentes:

  • Los datos de imágenes son vulnerables a los riesgos de seguridad debido a los rápidos avances de la tecnología de la información.
  • El cifrado eficaz de imágenes es crucial para el almacenamiento y la transmisión seguros de imágenes digitales.

Objetivo del estudio:

  • Proponer un nuevo algoritmo de encriptación de imágenes para mejorar la seguridad.
  • Para utilizar una transformación dinámica de rombo y un modelo de tubo digital para un cifrado robusto.

Principales métodos:

  • Se construyó un sistema hipercaótico bidimensional combinando mapas de seno, cúbico y mayo.
  • Se empleó una transformación de rombo dinámica para la codificación de píxeles, controlada por secuencias caóticas.
  • Se diseñó un modelo de tubo digital para la difusión de valores de píxeles utilizando secuencias caóticas y operaciones por bits.

Principales resultados:

  • El mapa caótico híbrido demostró características caóticas superiores.
  • El algoritmo propuesto logró una alta entropía de información (7.9993) y bajos coeficientes de correlación (horizontal: 0.0008, vertical: 0.0001, diagonal: 0.0005).
  • El algoritmo mostró una fuerte resistencia al ruido, el recorte y los ataques exhaustivos.

Conclusiones:

  • El algoritmo de encriptación de imágenes desarrollado asegura efectivamente los datos de la imagen.
  • La combinación de la transformación dinámica de rombo y el modelo de tubo digital proporciona una protección robusta contra diversas amenazas de seguridad.