Image Encryption Based on Improved Rössler Hyperchaotic Map

Abstract

This article presents a cryptosystem encryption of digital images, efficient and secure. All the complexity of the encryption process rests on the improved chaotic dynamics of the R¨ ossler hyperchaotic map. The algorithm implemented follows the principles of Kerckhoffs and Shannon of cryptography. From the results obtained experimentally and its security analysis, is shown that the proposed method is strong and safe. The proposed cryptographic scheme is simple, with high levels of security and of easy physical implementation, which together with the large key space that contains, makes it potentially attractive for applications in private communication systems.