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Advances in Multimedia - Volume 2014 2014, Article ID 910106, 10 pages -

Research Article

Department of Electronics & Communication Engineering, Delhi Technological University, New Delhi 110042, India

Department of Computer Science Engineering, Indian Institute of Technology, Roorkee 247667, India

Department of Electrical Engineering, Indian Institute of Technology, Roorkee 247667, India

Received 12 September 2014; Revised 17 October 2014; Accepted 17 October 2014; Published 9 November 2014

Academic Editor: Athanasios V. Vasilakos

Copyright © 2014 Nidhi Goel et al. 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

Augmentation in communication and coding technology has made encryption an integral part of secure multimedia communication systems. Security solution for end-to-end image transmission requires content adaptation at intermediate nodes, which consumes significant resources to decrypt, process, and reencrypt the secured data. To save the computational resources, this paper proposes a network-friendly encryption technique, which can be implemented in transparency to content adaptation techniques. The proposed encryption technique maintains the compression efficiency of underlying entropy coder, and enables the processing of encrypted data. Thorough analysis of the technique, as regards various standard evaluation parameters and attack scenarios, demonstrates its ability to withstand known-plaintext, ciphertext-only, and approximation attacks. This justifies its implementation for secure image transmission for end-to-end communication systems.





Autor: Nidhi Goel, Balasubramanian Raman, and Indra Gupta

Fuente: https://www.hindawi.com/



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