An Efficient Image Encryption Algorithm Based on Innovative DES Structure and Hyperchaotic Keys

In fact, as a traditional encryption method, DES has been certified as an unsuitable tool for ciphering due to its smaller key space. Further, in concern of the real-time encryption in the current fast communication era, such as 5G, long-time as well as large computational level processes are not go...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. I, Regular papers Vol. 70; no. 10; pp. 1 - 9
Main Authors: Li, Shih-Yu, Gai, Yanwen, Shih, Kai-Chung, Chen, Chin-Sheng
Format: Journal Article
Language:English
Published: New York IEEE 01.10.2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Algorithms
bit-level shuffling
Ciphers
Columnar structure
Correlation
DES structure
Digital images
Digital imaging
Encryption
Hyperchaotic keys
image encryption
logistic map
Logistics
Matrix converters
pixel shuffling
Three-dimensional displays
ISSN:1549-8328, 1558-0806
Online Access:Get full text
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Summary:In fact, as a traditional encryption method, DES has been certified as an unsuitable tool for ciphering due to its smaller key space. Further, in concern of the real-time encryption in the current fast communication era, such as 5G, long-time as well as large computational level processes are not gotten into the consideration. As a result, an innovative encryption structure with hyperchaotic keys for efficient encryption is constructed, where the frame of DES structure is applied, the plain image is shuffled through row and column directions in the first round, and then rearranged to be 64 blocks to fit into the frame of DES structure for 4 rounds ciphering with hyperchaotic subkeys. Also, in order to encrypt the content of the image at the block level, a set of alternative S-box has been produced in this article as well. The simulation results indicate that the proposed scheme is feasible and reliable for digital image encrypting, not only a large key space can be obtained, but also the low correlation of the adjacent contents can be achieved, and further, in comparison of several existing approaches, less-computational resource can be proven as well. In particular, due to the innovative DES structure, the computational speed is significantly faster than the original DES algorithm and many other chaos-based image ciphering schemes.
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ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2023.3296693