Design and Implementation of Satellite Image Encryption by Using ECC

2018 ◽  
Author(s):  
Abdullah A.M Ghaleb ◽  
Smitha Sasi ◽  
A R Aswatha
Keyword(s):  
Image Encryption ◽  
Satellite Image ◽  
Design And Implementation

scholarly journals Design and Implementation of Transformation and Non-Chaotic Substitution Based Image Cryptosystem

2019 ◽  
Vol 8 (6) ◽  
pp. 1079-1083 ◽  
Keyword(s):  
Image Encryption ◽  
Standard Test ◽  
Cyber Attacks ◽  
Encryption Scheme ◽  
Intrinsic Properties ◽  
Design And Implementation ◽  
Hadamard Transformation ◽  
Pixel Value ◽  
Image Cryptosystem ◽  
Changing Rate

In this article, a Modified Pseudo Hadamard Transformation (MPHT) and non-Chaotic substitution based image encryption scheme has been proposed. Due to intrinsic properties such as, strong redundancy and correlation between the adjacent pixels, images are more vulnerable to cyber-attacks. In the proposed technique, the redundancy and correlation have been effectively reduced by pixel position transformation using MPHT and pixel value variation using non chaotic substitution, providing two stage security in encryption for secrete images. An average 99.6089% of Number of Pixel Changing Rate (NPCR) and 33.4328% of Unified Average pixel Changing Intensity (UACI) are obtained for a set of standard test images compared to more popular existing techniques

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