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A New Efficient Digital Image Encryption Based on Inverse Left Almost Semi Group and Lorenz Chaotic System
Irfan Younas1, Majid Khan2,3
1Department of Mathematics, Quaid-i-Azam University, Islamabad 44000, Pakistan.
This study introduces an inverse left almost semigroup (LA-semigroup) for enhanced image encryption. The new method improves information security and performance using chaotic systems.
Area of Science:
- Computer Science
- Cryptography
- Information Security
Background:
- Image encryption is crucial for secure data transmission.
- Existing methods may lack robust diffusion characteristics.
- Chaotic systems offer potential for complex encryption algorithms.
Purpose of the Study:
- To propose a novel image encryption scheme using inverse left almost semigroups (LA-semigroups).
- To enhance diffusion properties by integrating discrete and continuous chaotic systems.
- To evaluate the security and performance of the proposed encryption algorithm.
Main Methods:
- Development of a new mathematical structure: inverse left almost semigroup (LA-semigroup).
- Integration of discrete and continuous chaotic systems for diffusion.
- Performance evaluation using correlation analysis, pixel uniformity, sensitivity, and information entropy analysis.
Main Results:
- The proposed algorithm demonstrates strong information security properties.
- Effective complementation of diffusion characteristics was achieved.
- High performance in terms of security metrics was observed.
Conclusions:
- The inverse left almost semigroup (LA-semigroup) based image encryption scheme offers superior security.
- The integration of chaotic systems effectively enhances diffusion.
- The algorithm provides a robust solution for secure image transmission.
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