Thursday 28th of March 2024
 

A Lossless Data Hiding Technique based on AES-DWT


Francisco Rubén Castillo Soria, Gustavo Fernández Torres2 and Ignacio Algredo-Badillo

In this paper we propose a new data hiding technique. The new technique uses steganography and cryptography on images with a size of 256x256 pixels and an 8-bit grayscale format. There are design restrictions such as a fixed-size cover image, and reconstruction without error of the hidden image. The steganography technique uses a Haar-DWT (Discrete Wavelet Transform) with hard thresholding and LSB (Less Significant Bit) technique on the cover image. The algorithms used for compressing and ciphering the secret image are lossless JPG and AES, respectively. The proposed technique is used to generate a stego image which provides a double type of security that is robust against attacks. Results are reported for different thresholds levels in terms of PSNR.

Keywords: Hiding Technique, Haar transform, AES algorithm, Steganography, Cryptography

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ABOUT THE AUTHORS

Francisco Rubén Castillo Soria
Francisco Ruben Castillo Soria received his Master of Science in Telecommunications Engineering from IPN-ESIME, Research and Graduate Section in Mexico City, 2004. From 2001 to 2004 he was the Telecommunications and Computer Science Engineering Major Director of the Technological University of Baja California in B.C.S. Since 2005 he has been Research-Professor at the Istmo University, Oaxaca. His current research interests lie in simulation of telecommunications systems, protocols, multiple access and signal processing.

Gustavo Fernández Torres2
Gustavo Fernández-Torres received the B.S in Physics and Mathematics from Superior School of Physics and Mathematics of Polytechnic National Institute (ESFM-IPN) and the Master of Science degree in Pure Mathematics from Investigation Center in Mathematics (CIMAT), 2004. Since 2007, he has been Research-Professor of Petroleum Engineering Department at the Istmo University. His current research interests lie in Numerical and Functional Analysis and Operators Theory.

Ignacio Algredo-Badillo
Ignacio Algredo-Badillo received the B.Eng in Electronic Engineering from Technologic Institute of Puebla (ITP) in 2002 and the M.Sc and Ph.D degrees in Computer Science from National Institute for Astrophysics, Optics and Electronics (INAOE) in 2004 and 2008, respectively. Since 2009, he has been professor of Computer Engineering at University of Istmo. He has involved in the design and development of digital systems, reconfigurable architectures, software radio platforms, cryptographic systems, FPGAs implementations, microcontrollers-based systems and hardware acceleration for specific applications.


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