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Advances in MultimediaVolume 2012 2012, Article ID 767364, 8 pages

Research ArticleCryptography and Secure Systems Laboratory, Faculty of Electrical Engineering, Iran University of Science and Technology IUST, Tehran, Iran

Received 2 November 2011; Revised 21 April 2012; Accepted 23 April 2012

Academic Editor: Mohamed Hamdi

Copyright © 2012 Saeed Bahrami and Majid Naderi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Security of the multimedia data including image and video is one of the basic requirements for the telecommunications and computer networks. In this paper, we consider a simple and lightweight stream encryption algorithm for image encryption, and a series of tests are performed to confirm suitability of the described encryption algorithm. These tests include visual test, histogram analysis, information entropy, encryption quality, correlation analysis, differential analysis, and performance analysis. Based on this analysis, it can be concluded that the present algorithm in comparison to A5-1 and W7 stream ciphers has the same security level, is better in terms of the speed of performance, and is used for real-time applications.





Author: Saeed Bahrami and Majid Naderi

Source: https://www.hindawi.com/



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