DWT-AES Processor for a Reconfigurable Secure Image Coding
In this paper, we proposed a reconfigurable secureimage codec based on the Discrete Wavelet Transformation(DWT) and the Advanced Encryption Standard (AES)processor. Either, use of image coding with DWT or encryptionusing AES is well known. However, linking these two designs toachieve secure image co...
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| Veröffentlicht in: | International Journal of Computer Theory and Engineering 2009-06, Vol.1 (2), p.188-194 |
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| container_title | International Journal of Computer Theory and Engineering |
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| creator | Dia, D Zeghid, M Atri, M Bouallegue, B Machhout, M Tourki, R |
| description | In this paper, we proposed a reconfigurable secureimage codec based on the Discrete Wavelet Transformation(DWT) and the Advanced Encryption Standard (AES)processor. Either, use of image coding with DWT or encryptionusing AES is well known. However, linking these two designs toachieve secure image coding is leading. The prominent featureof this method is a partial encryption of bass frequency (LLbands) by AES-128 (128-bit keys), or AES-192 or AES-256. Ourapproach provides considerable levels of security (key size,partial encryption, encryption mode), and has very limitedadverse impact on the compression efficiency. The proposedcodec can provide up to 9 cipher schemes within a reasonablesoftware cost. Correlation, PSNR and compression rate resultsfrom these codec are analyzed |
| doi_str_mv | 10.7763/IJCTE.2009.V1.31 |
| format | Article |
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| ispartof | International Journal of Computer Theory and Engineering, 2009-06, Vol.1 (2), p.188-194 |
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| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals |
| subjects | Bass Codec Compressing Computer programs Encryption Image coding Transformations |
| title | DWT-AES Processor for a Reconfigurable Secure Image Coding |
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