A proposed lightweight image encryption using ChaCha with hyperchaotic maps
DOI:
https://doi.org/10.21533/pen.v8.i4.1384Abstract
Image encryption plays a pivotal rule in enhancing telecommunications media. Since Privacy is necessary
in our daily life in many areas, the personal image will be encrypted when it sent it over the Internet to the
recipient to maintain privacy issue. In this paper, the image is encrypted using ChaCha symmetric stream
cipher with Hyperchaotic Map. Due to the sensitivity characteristics of initial conditions, pseudo
randomness chaotic maps and control parameters in chaotic, Hyperchaotic maps is use, higher security is
obtained via using initial seed number, variance of parameters, and unpredictable direction of chaotic. The
suggested lightweight image encryption has confirmed robustness contra brute force attacks by providing a
massive key space. Furthermore, the suggested lightweight image encryption is eligible to defense from
statistical cracking, insecurity of image based on criteria's histogram correlation and entropy.
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