Protecting Digital Images Using Keys Enhanced by 2D Chaotic Logistic Maps

Cryptography

article

Mua’ad Abu-Faraj¹  Abeer Al-Hyari²  Charlie Obimbo³  Khaled Aldebei⁴  Ismail Altaharwa¹  Ziad Alqadi⁵  Orabe Almanaseer⁴ 

[1] Department of Computer Information Systems, The University of Jordan;Electrical Engineering Department, Al-Balqa Applied University;School of Computer Science, University of Guelph;Department of Information Technology, The University of Jordan;Computers and Networks Engineering Department, Al-Balqa Applied University

关键词: cryptography;    private key;    chaotic logistic map;    chaotic logistic map key;    chaotic parameter;    MSE;    PSNR;    CC;    throughput;   

DOI  :  10.3390/cryptography7020020

学科分类：社会科学、人文和艺术（综合）

来源: mdpi

【 摘 要 】

This research paper presents a novel digital color image encryption approach that ensures high-level security while remaining simple and efficient. The proposed method utilizes a composite key r and x of 128-bits to create a small in-dimension private key (a chaotic map), which is then resized to match the color matrix dimension. The proposed method is uncomplicated and can be applied to any image without any modification. Image quality, sensitivity analysis, security analysis, correlation analysis, quality analysis, speed analysis, and attack robustness analysis are conducted to prove the efficiency and security aspects of the proposed method. The speed analysis shows that the proposed method improves the performance of image cryptography by minimizing encryption–decryption time and maximizing the throughput of the process of color cryptography. The results demonstrate that the proposed method provides better throughput than existing methods. Overall, this research paper provides a new approach to digital color image encryption that is highly secure, efficient, and applicable to various images.

【 授权许可】

CC BY