An Image Encryption Algorithm Based on Logistic Chaotic Mapping with Sinusoidal Feedback and Its FPGA Implementation

Chunbiao LI; Yunnan ZHAO; Yaning LI; Sixiao KONG

doi:10.11999/JEIT200575

Volume 43 Issue 12

Dec. 2021

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Chunbiao LI, Yunnan ZHAO, Yaning LI, Sixiao KONG. An Image Encryption Algorithm Based on Logistic Chaotic Mapping with Sinusoidal Feedback and Its FPGA Implementation[J]. Journal of Electronics & Information Technology, 2021, 43(12): 3766-3774. doi: 10.11999/JEIT200575

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Chunbiao LI, Yunnan ZHAO, Yaning LI, Sixiao KONG. An Image Encryption Algorithm Based on Logistic Chaotic Mapping with Sinusoidal Feedback and Its FPGA Implementation[J]. Journal of Electronics & Information Technology, 2021, 43(12): 3766-3774. doi: 10.11999/JEIT200575

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An Image Encryption Algorithm Based on Logistic Chaotic Mapping with Sinusoidal Feedback and Its FPGA Implementation

doi: 10.11999/JEIT200575

School of Electronic & Information Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China

Funds: The National Natural Science Foundation of China (61871230), The Nature Science Foundation of Jiangsu Province (BK20181410)

Received Date: 2020-07-13
Rev Recd Date: 2021-03-28

Available Online: 2021-06-02

Publish Date: 2021-12-21

Abstract

Abstract

Digital image encryption algorithm based on chaos is widely used because of its large key space and high key sensitivity. The sinusoidal feedback is introduced into the classical Logistic mapping to form a new discrete mapping, and the chaotic behavior of the mapping is analyzed. The chaotic mapping is used to derive the discrete chaotic encryption sequence, and the encryption sequence is enlarged and rounded to enhance its pseudo-randomness. The pseudo-randomness of encrypted sequences is tested by NIST (National Institute of Standards and Technology) test method. The pseudo-random sequence is XOR (Exclusive OR) with the original image to realize image encryption. Numerical simulation results show that the new encryption algorithm has better encryption effect, and its key shows better sensitivity and pseudo-randomness. Finally, hardware encryption for this algorithm is realized based on FPGA (Field Programmable Gate Array) platform.
- Image encryption,
- Logistic chaotic map,
- Sinusoidal feedback,
- Field Programmable Gate Array (FPGA),
- National Institute of Standards and Technology (NIST)

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References(20)

References

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