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Image Steganography using DWT and Data Encryption Standard (DES)

Journal: International Journal of Science and Research (IJSR) (Vol.3, No. 5)

Publication Date:

Authors : ; ; ;

Page : 372-376

Keywords : Text hiding; Discrete wavelet transform; Data encryption standard; Least significant bit; Haar transform;

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Steganography is an important area of research in recent years involving a number of applications. It is the science of Embedding information into the cover image viz., text, video, and image (payload) without causing statistically significant modification to the cover image. The modern secure image steganography presents a challenging task of transferring the embedded information to the destination without being detected. In this paper we present an image steganography that combines Discrete wavelet transform(DWT),Least significant bit(LSB) and Encryption techniques on raw images to enhance the security of secret message. Intially, DWT algorithm is used to transform image from spatial domain to frequency domain. Then we encrypt our message using DES. Finally we embed secret bits into the cover image to derive stego-image using LSB.

Last modified: 2014-07-01 21:24:47