Secured Data Transmission Using Wavelet Based Steganography And Cryptography

Mittapalli Indrasena Reddy; V. Uday Kumar; K. Subba Reddy; P. Venkat Vijay Kumar

doi:10.24297/ijct.v6i2.3495

Authors

Mittapalli Indrasena Reddy School of Computer Scince & Engineering, R.G.M. C.E.T, Nandyal-518 501
V. Uday Kumar School of Computer Scince & Engineering, R.G.M. C.E.T, Nandyal-518 501
K. Subba Reddy School of Computer Scince & Engineering, R.G.M. C.E.T, Nandyal-518 501
P. Venkat Vijay Kumar School of Computer Scince & Engineering, R.G.M. C.E.T, Nandyal-518 501

DOI:

https://doi.org/10.24297/ijct.v6i2.3495

Keywords:

Cryptography, digital watermarking, steganography, wavelet

Abstract

Steganography and cryptographic methods are used together with wavelets to increase the security of the data while transmitting through networks. Another technology, the digital watermarking is the process of embedding information into a digital (image) signal. Before embedding the plain text into the image, the plain text is encrypted by using Data Encryption Standard (DES) algorithm. The encrypted text is embedded into the LL subband of the wavelet decomposed image using Least Significant Bit (LSB) method. Then the inverse wavelet transform is applied and the resultant image is transmitted to the receiver. The receiver will perform the same operations in reverse order.