|Table of Contents|

Analysis and Improvement of Image Encryption Algorithm Based on Henon Map

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2012年04期
Page:
587-592
Research Field:
Publishing date:

Info

Title:
Analysis and Improvement of Image Encryption Algorithm Based on Henon Map
Author(s):
PING Ping1WANG Zhi-jian1XU Feng1LIU Feng-yu2
1.College of Computer and Information Engineering,Hohai University,Nanjing 210098,China; 2.School of Computer Science and Engineering,NUST,Nanjing 210094,China
Keywords:
cryptography image encryption Henon map circular chaining iteration
PACS:
TP309.7
DOI:
-
Abstract:
A fast image encryption algorithm based on Henon map is analyzed and the weaknesses of the algorithm are proposed that have a low sensitivity to the plainimage and processes pixels one by one.An improved algorithm is proposed.The improved algorithm obtains good diffusion property and high processing efficiency by changing the single-point chaining way into the two-point chaining way.Experimental results show that the new algorithm has a better performance on both security and speed.

References:

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Last Update: 2012-10-12