Work place: J.N.N. College of Engineering / Department of Information Science & Engineering, Shivamogga-577204, Karnataka, India
E-mail: sanjeevkunte@jnnce.ac.in
Website:
Research Interests: Information Security, Image Processing
Biography
Dr. R. Sanjeev Kunte is currently working as Professor and Head of the Department of Information Science & Engineering at Jawaharlal Nehru New College of Engineering (J.N.N.C.E), Shivamogga, Karnataka, India. His research interests include Cryptography, Information Security, Cloud Computing, and Image Processing.
By Vishwas C. G. M. R. Sanjeev Kunte Varun Yarehalli Chandrappa
DOI: https://doi.org/10.5815/ijcnis.2023.04.05, Pub. Date: 8 Aug. 2023
Transmission of images on the network is considered insecure which has security-related issues. In this paper, to provide security to digital images, an encryption system that uses four chaotic maps for binary key sequence generation is proposed. The system consists of stages namely, confusion, generation of random binary chaotic key sequence, pseudo-random number generation (RN), and diffusion. Keys for encryption are chosen randomly based on a pseudo random generator from the selected chaotic maps by the linear feedback shift register (LFSR). The algorithm achieves good results in terms of NPCR, UACI, and entropy values. The developed cryptosystem resists differential attacks, is sensitive to minor alterations in the keys, and has a large key space.
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