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Un esquema de cifrado de imágenes seguro y eficiente basado en sistemas caóticos y transformaciones no lineales

Wassim Alexan¹, Noura H El Shabasy², Noha Ehab³

¹Communications Department, Faculty of Information Engineering and Technology, German University in Cairo (GUC), New Cairo, Egypt. wassim.alexan@ieee.org.

Scientific reports

|August 25, 2025

Resumen

Este estudio introduce un nuevo método de encriptación de imágenes múltiples utilizando un sistema hipercaótico 5D, el Mapa de gato de Arnold y la hormiga de Langton. La técnica ofrece una mayor seguridad y eficiencia para el cifrado de imágenes digitales, superando a los métodos tradicionales.

Área de la Ciencia:

Ciencias de la computación
Criptografía
Seguridad de la información

Sus antecedentes:

El cifrado de imágenes digitales es crucial debido al aumento de los datos y la adopción de IoT.
Los métodos tradicionales como AES y DES son insuficientes para los datos de imagen debido a la redundancia y las necesidades en tiempo real.

Objetivo del estudio:

Proponer un nuevo esquema de encriptación de múltiples imágenes, seguro y eficiente.
Para abordar las limitaciones de la encriptación tradicional para imágenes digitales.

Principales métodos:

Integración de un sistema hipercaótico 5D para la generación de claves.
Utilizando el Mapa de gato de Arnold para la transformación y la hormiga de Langton para la codificación de píxeles (difusión).
Una caja S de nuevo diseño para la sustitución de bytes.

Principales resultados:

Logrado un gran espacio clave y baja correlación de píxeles.
Velocidad de encriptación rápida demostrada (0,1602s para una imagen de 512x512).
Los análisis de seguridad (histograma, correlación, entropía, pruebas NPCR, UACI, NIST) confirmaron la robustez.

Conclusiones:

El método de encriptación híbrido propuesto proporciona una alta seguridad y eficiencia.
Es adecuado para aplicaciones en tiempo real y es resistente a varios ataques.
Supera las técnicas de cifrado caótico e híbrido existentes.

Palabras clave:

El mapa del gato de Arnold Los mapas caóticos Criptografía Sistemas hipercaóticos Cifrado de imágenes La hormiga de Langton Análisis de seguridad

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