Journal
INFORMATION SCIENCES
Volume 550, Issue -, Pages 252-267Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2020.10.031
Keywords
Encryption; Hyper-chaotic system; Multiple images; Elliptic curve cryptography; 3D image scrambling
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The paper introduces a cryptographic algorithm based on chaos theory and elliptic curve Elgamal cryptosystem for securing multiple digital images over the network. Experimental results show that the algorithm has a large keyspace, desirable statistical properties of cipher data, and resistance to attacks.
The growth and popularization of network and multimedia technologies have led to an increase in digital data over the internet. Most of the data is confidential and requires an efficient algorithm to securely transmit the data over the insecure channel. The paper proposes a cryptographic algorithm which can be used for securing multiple digital images over the network. The algorithm uses the concept of chaos theory and elliptic curve Elgamal cryptosystem for the generation of the cipher image and sharing of the key. A 3D image is generated using the multiple plain images and undergoes permutation and substitution phase for generation of the cipher data. Experimental results and analysis shows that the proposed algorithm has got large keyspace, desired statistical properties of cipher data and resistant to attacks. (C) 2020 Elsevier Inc. All rights reserved.
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