doi: 10.7763/IJCTE.2009.V1.31
DWT-AES Processor for a Reconfigurable Secure Image Coding
- Electronics and Microelectronics Laboratory, Faculty of Sciences Monastir, 5000 Tunisia.
Abstract
In this paper, we proposed a reconfigurable secure image codec based on the Discrete Wavelet Transformation (DWT) and the Advanced Encryption Standard (AES)processor. Either, use of image coding with DWT or encryption using AES is well known. However, linking these two designs to achieve secure image coding is leading. The prominent feature of this method is a partial encryption of bass frequency (LL bands) by AES-128 (128-bit keys), or AES-192 or AES-256. Our approach provides considerable levels of security (key size, partial encryption, encryption mode), and has very limited adverse impact on the compression efficiency. The proposed codec can provide up to 9 cipher schemes within a reasonable software cost. Correlation, PSNR and compression rate results from these codec are analyzed.
Keywords
- AES
- Band LL
- DWT
- Partial Encryption
- Security Levels
How to Cite
D. Dia, M. Zeghid, M. Atri, B. Bouallegue, M. Machhout, and R. Tourki, "DWT-AES Processor for a Reconfigurable Secure Image Coding," International Journal of Computer Theory and Engineering, vol. 1, no. 2, pp. 188-194, 2009. https://doi.org/10.7763/IJCTE.2009.V1.31
Copyright & License
Copyright © 2009 by the authors. 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 (CC BY 4.0).