Encryption Quality Evaluation of Robust Chaotic Block Cipher for Digital Imaging
Abdul Hamid M. Ragab1, Osama S. Farag Allah2, Amin Y. Noaman3, Khalid W. Magld4
1Prof. Abdul Hamid M. Ragab, Department of Information System, King Abdulaziz University, Faculty of Computing and Information Technology, Jeddah, Saudi Arabia.
2Dr. Osama Salah Farag Alla, Department of Computer Science and Engineering, Menoufaia University, Faculty of Electronic Engineering, Menouf, Egypt,.
3Dr. Amin Yousef Noaman, Department of Computer Science, Abdulaziz University, Faculty of Computing and Information Technology, Jeddah, Saudi Arabia.
4Dr. Khalid W. Magld, Department of Information Technology, Abdulaziz University, Faculty of Computing and Information Technology, Jeddah, Saudi Arabia.
Manuscript received on 20 January 2014 | Revised Manuscript received on 25 January 2014 | Manuscript published on 30 January 2014 | PP: 4-9 | Volume-2 Issue-6, January 2014 | Retrieval Number: F0898012614/2014©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: The visual inspection is an important factor in examining encrypted images, where the highly disappeared features of the image, the better the encryption algorithm used. However, depending on the visual inspection only is not enough in judging the quality of complete hiding of the content of the data image. In this paper, we estimate the degree of image encryption quality not only practically using visual inspection, but also quantitatively using quality evaluation metrics. The efficient robust chaotic block cipher (RCBC) encryption quality algorithm for digital imaging is investigated. Comparative analysis regarding encryption quality (EQ) of the RCBC with algorithms such as RC6, and RC5 is performed. Ciphers design parameters are analyzed for their optimal values, as function of different ciphers operation modes, including ECB, CBC, CFB, and OFB. Thorough experimental tests are carried out with detailed analysis demonstrating the better performance of the RCBC block cipher.
Keywords: Symmetric Block Ciphers, Images Encryption Quality, and Encryption Algorithms Analysis.
Scope of the Article: Predictive Analysis