GENERACIÓN DE SERIES PSEUDORANDOM PARA CIFRAR DATOS DE CONSUMO DE ENERGÍA ELÉCTRICA (PSEUDORANDOM SERIES GENERATION TO ENCRYPT ELECTRICAL ENERGY CONSUMPTION DATA)
Resumen
En este artículo se presenta la implementación de un prototipo para el cifrado de datos usando un criptosistema de clave simétrica que cifra los datos mediante la aplicación de generadores eficientes de secuencias pseudoaleatorias que aprovechan el comportamiento caótico de una ecuación logística, es diseñado para generar flujo de claves aplicadas al cifrado/descifrado de una señal de consumo de energía eléctrica. El objetivo del cifrado es el de proporcionar privacidad y confidencialidad al usuario de sus datos de medición en el marco de redes eléctricas inteligentes. Se realizan pruebas experimentales utilizando una señal de energía eléctrica real, los resultados obtenidos demuestran que el proceso de cifrado/descifrado no afectará la eficiencia de codificación, manteniendo una tasa de bits y un bajo consumo de recursos computacionales. Para validar los resultados, éstos se someten a un análisis de seguridad basado en valoración estadística del NIST (Instituto Nacional de Normas y Tecnología), pruebas que son superadas, lo que indica, que la información o los datos quedan criptográficamente protegidos. Se hace una comparación entre resultados simulados y Reales.
Palabras Clave: Criptografía, ecuación logística, pseudoaleatorio, seguridad.
Abstract
Implementation of a prototype for data encryption using a symmetric key cryptosystem is presented in this paper, data are encrypted by applying efficient generators of pseudo-random sequences that take advantage of the chaotic behavior of a logistic equation and it is designed to generate flow of keys applied to the encryption/decryption of an electrical energy consumption signal. The purpose of encryption is to provide privacy and confidentiality to the user of his measurement data within the framework of smart grids. Experimental tests are carried out using a real electrical energy signal, the results obtained show that the encryption / decryption process will not affect the encoding efficiency, maintaining a low bit rate and low consumption of computational resources. To validate the results, they are subjected to a security analysis based on statistical evaluation from the NIST (National Institute of Standards and Technology), tests that are passed, which indicates that the information or data is cryptographically protected. A comparison is made between simulated and real results.
Keywords: Cryptography, logistic equation, Pseudo-random, security.
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