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Paper Details

Paper Title
Cryptography of Images Using Diffie-Hellman Algorithm
Abstract
The Digital data is widely transferred over the internet due to which it may get effected by the intervention of intruders, data tampering, unauthorized access etc. Thus to fulfill the need of data security the cryptography comes to the existence and accepted worldwide. Cryptography is a mechanism to encrypt the data in non-readable format by using a key which is only known to the sender and receiver of the information. This study develops a new encryption based cryptography approach for securing the information of the images. The proposed approach is a combination of two prominent security methods i.e. Diffie Hellman key generation mechanism, Huffman Encoding technique and XOR operation is also used to compressed data and diffie permuted key to achieve the encrypted file. This mechanism provides two-level security to the images by firstly compressing the image and then encrypting it by using XOR operation. In order to approve the proficiency of the work the present technique is compared with the chaotic-ANN encryption technique in terms of NCPR, UACI, correlation, PSNR, MSE and Entropy. The evaluated NCPR of present method is 100, UACI is52.526 and Entropy is 7.9948.
KeyWord
Digital Data Security, Cryptography, Diffie-Hellman Algorithm, Huffman Encoding
Others Details
Paper Id : 40404
Author Name : Simrat Kaur
Co-Author Name(s) : Rupinder Kaur
Volume/Issue No : Volume 04 Issue 11
Page No : 218-226
DOI Number : DOI:10.21090/IJAERD.40404
Publication Date : 2017-11-13
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website : http://www.ijaerd.com/index.php
Impact Factor : 4.72, SJIF-2016
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406