A fast hybrid image cryptosystem based on random generator and modified logistic map

被引：0
|
作者：
Ayman M. Hemdan
Osama S. Faragallah
Osama Elshakankiry
Ahmed Elmhalaway
机构：
[1] Menoufia University,Department of Computer Science and Engineering, Faculty of Electronic Engineering
[2] Taif University,Department of Information Technology, College of Computers and Information Technology
来源：
Multimedia Tools and Applications | 2019年 / 78卷
关键词：
Pseudo-random number generator (PRNG); Chaos; Logistic map; Diffusion; Image encoding;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper demonstrates an image encryption technique using a hybrid method. This method consists of two stages. The image is XORed with the Pseudo-Random Number Generator (PRNG) in the first stage. The confusion and diffusion processes are applied by using the Logistic map and its’ three modifications in the second stage. The original Logistic map has a small range of key-space. The three modifications of Logistic map increased key-space range due to expanding the range of the original Logistic map parameter. Multiple tests have been performed on the hybrid method such as security analysis and encryption quality. The hybrid method presented a good evaluation.
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收藏
页码：16177 / 16193
页数：16
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