A New Image Encryption Algorithm Based on Single S-Box and Dynamic Encryption Step

Chaotic-based S-box image encryption schemes promise to be a practical solution for securing digital images. However, the high-dimensional continuous chaotic has increased the algorithm's complexity. Recent alternatives that focused on double or multiple S-box es approaches, on the other hand,...

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Veröffentlicht in:	IEEE access Jg. 9; S. 120596 - 120612
Hauptverfasser:	Jun, Wang Ji, Fun, Tan Soo
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Piscataway IEEE 2021 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	Algorithms Chaos theory chaotic systems Complexity Complexity theory Continuous wavelet transforms Correlation Digital imaging DNA dynamic step Encryption Heuristic algorithms Image encryption Logistics Security substitution box (S-box)
ISSN:	2169-3536, 2169-3536
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Abstract	Chaotic-based S-box image encryption schemes promise to be a practical solution for securing digital images. However, the high-dimensional continuous chaotic has increased the algorithm's complexity. Recent alternatives that focused on double or multiple S-box es approaches, on the other hand, have been proven vulnerable to differential attacks. This paper presents an efficient and secure chaotic-based S-box image encryption scheme. Firstly, a single S-box with a size of <inline-formula> <tex-math notation="LaTeX">10\times 26 </tex-math></inline-formula> was constructed by using a low-dimensional chaotic system. Without a complex mathematical operation, the constructed single S-box has obvious efficiency advantages and achieved a higher image entropy rate than recent double or multiple S-box es. Secondly, a new dynamic encryption step method is proposed to solve the high correlation and deterministic problems in multiple S-box encryptions. Under the control of the dynamic encryption step algorithm, it effectively destroys the correlation between the source image's pixels. The experimental results and security analysis show that the proposed scheme enjoys higher security and is more efficient to secure digital images in real-world applications.
AbstractList	Chaotic-based S-box image encryption schemes promise to be a practical solution for securing digital images. However, the high-dimensional continuous chaotic has increased the algorithm’s complexity. Recent alternatives that focused on double or multiple S-box es approaches, on the other hand, have been proven vulnerable to differential attacks. This paper presents an efficient and secure chaotic-based S-box image encryption scheme. Firstly, a single S-box with a size of [Formula Omitted] was constructed by using a low-dimensional chaotic system. Without a complex mathematical operation, the constructed single S-box has obvious efficiency advantages and achieved a higher image entropy rate than recent double or multiple S-box es. Secondly, a new dynamic encryption step method is proposed to solve the high correlation and deterministic problems in multiple S-box encryptions. Under the control of the dynamic encryption step algorithm, it effectively destroys the correlation between the source image’s pixels. The experimental results and security analysis show that the proposed scheme enjoys higher security and is more efficient to secure digital images in real-world applications. Chaotic-based S-box image encryption schemes promise to be a practical solution for securing digital images. However, the high-dimensional continuous chaotic has increased the algorithm's complexity. Recent alternatives that focused on double or multiple S-box es approaches, on the other hand, have been proven vulnerable to differential attacks. This paper presents an efficient and secure chaotic-based S-box image encryption scheme. Firstly, a single S-box with a size of <inline-formula> <tex-math notation="LaTeX">10\times 26 </tex-math></inline-formula> was constructed by using a low-dimensional chaotic system. Without a complex mathematical operation, the constructed single S-box has obvious efficiency advantages and achieved a higher image entropy rate than recent double or multiple S-box es. Secondly, a new dynamic encryption step method is proposed to solve the high correlation and deterministic problems in multiple S-box encryptions. Under the control of the dynamic encryption step algorithm, it effectively destroys the correlation between the source image's pixels. The experimental results and security analysis show that the proposed scheme enjoys higher security and is more efficient to secure digital images in real-world applications. Chaotic-based S-box image encryption schemes promise to be a practical solution for securing digital images. However, the high-dimensional continuous chaotic has increased the algorithm's complexity. Recent alternatives that focused on double or multiple S-box es approaches, on the other hand, have been proven vulnerable to differential attacks. This paper presents an efficient and secure chaotic-based S-box image encryption scheme. Firstly, a single S-box with a size of <tex-math notation="LaTeX">$10\times 26$ </tex-math> was constructed by using a low-dimensional chaotic system. Without a complex mathematical operation, the constructed single S-box has obvious efficiency advantages and achieved a higher image entropy rate than recent double or multiple S-box es. Secondly, a new dynamic encryption step method is proposed to solve the high correlation and deterministic problems in multiple S-box encryptions. Under the control of the dynamic encryption step algorithm, it effectively destroys the correlation between the source image's pixels. The experimental results and security analysis show that the proposed scheme enjoys higher security and is more efficient to secure digital images in real-world applications.
Author	Jun, Wang Ji Fun, Tan Soo
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SubjectTerms	Algorithms Chaos theory chaotic systems Complexity Complexity theory Continuous wavelet transforms Correlation Digital imaging DNA dynamic step Encryption Heuristic algorithms Image encryption Logistics Security substitution box (S-box)
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Title	A New Image Encryption Algorithm Based on Single S-Box and Dynamic Encryption Step
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