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    Abstract
2012 (Vol. 4, Issue: 18)
Article Information:

Analysis and Improvement of Encryption Algorithm Based on Blocked and Chaotic Image Scrambling

Yunpeng Zhang, Peng Sun, Liang Yi, Yongqiang Ma and Ziyi Guo
Corresponding Author:  Yunpeng Zhang 

Key words:  Blocking, chaos, cryptography, image, , ,
Vol. 4 , (18): 3440-3447
Submitted Accepted Published
April 17, 2012 May 06, 2012 September 15, 2012
Abstract:

Based on blocked image scrambling encryption, this study presents a new image encryption algorithm by introducing chaos theory. This algorithm firstly makes spatial scrambling based on image blocking in order to interrupt pixel position, then furthering this interruption through Arnold Mapping in the chaos and transforms pixel RGB color space through optimized Arnold Mapping. After this process, we get the final encrypted image through a series of iteration. This algorithm has a lot of advantages such as a large key space, high effectiveness and resisting common attack successfully, but it needs improvements on some aspects, such as the key sensitivity
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  Cite this Reference:
Yunpeng Zhang, Peng Sun, Liang Yi, Yongqiang Ma and Ziyi Guo, 2012. Analysis and Improvement of Encryption Algorithm Based on Blocked and Chaotic Image Scrambling.  Research Journal of Applied Sciences, Engineering and Technology, 4(18): 3440-3447.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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