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- Title
Lightweight Image Encryption: A Chaotic ARX Block Cipher.
- Authors
Mohananthini, N.; Mohamed Parvees, M. Y.; Abdul Samath, J.
- Abstract
Nowadays, lightweight cryptography attracts academicians, scientists and researchers to concentrate on its requisite with the increasing usage of low resource devices. In this paper, a new lightweight image encryption scheme is proposed using the Lorenz 3D super chaotic map. This encryption scheme is an addition–rotation–XOR block cipher designed for its supremacy, efficacy and speed execution. In this addition–rotation–XOR cipher, the equation for Lorenz 3D chaotic map is iteratively solved to generate double valued signals in a speedy manner using the Runge–Kutta and Euler methods. The addition, rotation and diffusion sequences are generated from the double valued signals, and the source pixels of the 8-bit plain test images are manipulated with the addition, rotation and diffusion of the bytes. Finally, the cipher images are constructed from the manipulated pixels and evaluated with various statistical as well as randomness tests. The results from various tests prove that the proposed chaotic addition–rotation–XOR block image cipher is efficient in terms of randomness and speed.
- Subjects
BLOCK ciphers; LORENZ equations; EULER method; RUNGE-Kutta formulas; CRYPTOGRAPHY; IMAGE encryption
- Publication
Journal of Circuits, Systems & Computers, 2021, Vol 30, Issue 2, pN.PAG
- ISSN
0218-1266
- Publication type
Article
- DOI
10.1142/S0218126621500262