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Criptografía asimétrica habilitada por memristores complementarios basados en TaOx con dinámica de pulso sintonizable
Yunlai Zhu1, Xiaoling Wu1, Junjie Zhang1
1School of Integrated Circuits, Anhui University, Hefei, Anhui, 230601, China. wuzuheng@ahu.edu.cn.
Nanoscale
|February 10, 2026
Resumen
Este estudio presenta un nuevo método de encriptación de hardware utilizando memristores basados en TaO para una comunicación segura. Este enfoque mejora la seguridad y la eficiencia en sistemas de recursos limitados.
Área de la Ciencia:
- Ciencia de los materiales Ciencia de los materiales.
- Ciencias de la computación Ciencias de la computación
- Ingeniería Eléctrica Ingeniería Eléctrica.
Sus antecedentes:
- La encriptación tradicional se enfrenta a desafíos en entornos seguros y de baja potencia.
- La gestión de claves y la eficiencia energética son fundamentales para el IoT y los sistemas integrados.
Objetivo del estudio:
- Desarrollar un marco de encriptación asimétrico basado en hardware utilizando memristores complementarios basados en TaOx.
- Para abordar las limitaciones en la gestión de claves y la eficiencia energética para una comunicación segura.
Principales métodos:
- Utilizó la modulación de conductividad sintonizable en dispositivos de conmutación resistiva complementaria (CRS).
- Potenciación a largo plazo (LTP) y depresión a largo plazo (LTD) para la generación de claves.
- Empleó una matriz de barras cruzadas 2 × 4 CRS para cifrado / descifrado de datos e integró SHA-256 para autenticación.
Principales resultados:
- Logró cifrado / descifrado confiable y reversible directamente en la memoria.
- Se ha demostrado una alta fidelidad de cifrado y una separación de claves distinta.
- Mostró una fuerte resistencia al acceso no autorizado.
Conclusiones:
- Los memristores complementarios basados en TaOx ofrecen una solución prometedora para aplicaciones criptográficas seguras.
- El marco es adecuado para la próxima generación de IoT y sistemas integrados que requieren mayor seguridad y eficiencia.
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