|Table of Contents|

Uniform Block Encryption Algorithm of Image Based on Affine Modular Transformation

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

Issue:
2010年04期
Page:
441-447
Research Field:
Publishing date:

Info

Title:
Uniform Block Encryption Algorithm of Image Based on Affine Modular Transformation
Author(s):
YANG Xue1YU Xiao-yang1ZOU Qi-feng1ZHANG Jian2YANG Xiu-kun3
1.College of Measurement Control Tech & Communication Engineering,Harbin University of Science andTechnology,The Higher Educational Key Laboratory for Measuring & Control Technology and Instrumentationsof Heilongjiang Province,Harbin 150040,China;2.College of Information & Computer Engineering,Northeast Forestry University,Harbin 150000,China;3.MOTOROLA Countries of Southern California toIdentify R &D Center,IDENTIX.Inc.Corporate Research Center,Jersey City,NJ 07302,USA
Keywords:
image encryption affine modular transformation uniform encryption Logistic chaotic map
PACS:
TP391.41
DOI:
-
Abstract:
A novel block uniform image encryption algorithm based on enhancing image entropy is proposed here.This algorithm performs the whole affine module transformation on a digital image,and carries out uniform blocking on the transformed image.Every sub-block pixel is fully diffused to other sub-blocks in order to realize the position uniform block encryption.The pixel uniform encryption is realized by using the improved Logistic chaotic map based on the position uniform block encryption.Simulation results show that the proposed algorithm has stronger resistance to the exhaustion attack,cut attack and noise attack and high security.

References:

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Last Update: 2012-11-02