NDLI: New video encryption schemes based on chaotic maps

Content Provider	IET Digital Library
Author	Elkamchouchi, Hassan Salama, Wessam M. Abouelseoud, Yasmine
Abstract	Two new encryption algorithms for secure video transmission are proposed in this paper. The two algorithms employ different types of chaotic maps to generate the keystream for encrypting the video frames. Both algorithms involve a substitution step and a permutation step to achieve confusion and diffusion requirements. For efficient transmission, the video file is compressed before being encrypted. In the basic implementation of both algorithms, MPEG-2 standard is used for compression. However, the algorithms are shown to be compliant with other compression techniques. In the permutation step, the effect of the block size used in the shuffling process is examined. Smaller blocks result in increasing the processing time, while reducing both the correlation between adjacent pixels and the peak-signal-to noise ratio of an encrypted frame. The use of a Feistel structure is investigated to enhance security and its negative impact on the encryption time is demonstrated. The experimental results of the two proposed schemes confirm that they represent different tradeoffs between security and computational efficiency. Both schemes are sensitive to slight variations in the encryption key as apparent from the obtained differential measures. The conducted comparative study shows the competitiveness of the proposed schemes to existing schemes in literature.
Starting Page	397
Ending Page	406
Page Count	10
ISSN	17519659
Volume Number	14
e-ISSN	17519667
Issue Number	Issue 2, Feb (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ipr/14/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2018.5250
Journal	IET Image Processing
Publisher Date	2019-10-28
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Authors Block Size Chaotic Maps Compression Technique Cryptography Data Compression Data Security Different Tradeoffs Diffusion Requirements Encrypted Frame Encryption Algorithm Encryption Time Image And Video Coding Malicious User MPEG-2 Standard New Video Encryption Scheme Peak-signal-to-noise Ratio Permutation Step Processing Time Secret Encryption Key Secure Encryption Scheme Secure Video Transmission Shuffling Process Smaller Blocks Substitution Step Transferred Video Streams Unauthorised Access Video Coding Video File Video Frames Video Streaming
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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