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A New Image Encryption Algorithm based on DNA Approach

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International Journal of Computer Applications
© 2014 by IJCA Journal
Volume 85 - Number 18
Year of Publication: 2014
Authors:
Ritu Gupta
Anchal Jain
10.5120/14942-3440

Ritu Gupta and Anchal Jain. Article: A New Image Encryption Algorithm based on DNA Approach. International Journal of Computer Applications 85(18):27-31, January 2014. Full text available. BibTeX

@article{key:article,
	author = {Ritu Gupta and Anchal Jain},
	title = {Article: A New Image Encryption Algorithm based on DNA Approach},
	journal = {International Journal of Computer Applications},
	year = {2014},
	volume = {85},
	number = {18},
	pages = {27-31},
	month = {January},
	note = {Full text available}
}

Abstract

In recent years, various DNA based cryptographic algorithms have been suggested to develop secure image encryption techniques but still many of them have low computing security as they have low avalanche effect and require to send long key . In this regard, this paper proposes a new method of image encryption based on DNA computation technology. The original image is encrypted using DNA computation and DNA complementary rule. First, a secret key is generated using a DNA sequence and modular arithmetic operations. Then each pixel value of the image undergoes the encryption process using the key and DNA computation methods. The researcher prove the validity of the algorithm through simulation and the theoretical analysis on the parameters such as sensitivity to plaintext, key sensitivity, histogram analysis, correlation analysis including bio-security and math security. Further, the algorithm has huge key space generated using key expansion algorithm while keeping the original key sequence small. It is shown the algorithm has achieved the satisfactory computing security level in the encryption security estimating system.

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