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Graduate Projects - Details

Computer Science Program

Project ID: 404
Author: Rakesh Kumar Srirangam
Project Title: A Novel Steganographic Tool for Multi-level Protection
Semester: 3 2012
Committe Chair: Dr. Dulal Kar
Committee Member 1: Dr. Mario Garcia
Committee Member 2: Dr. John Fernandez
Project Description: Steganography is the art of hiding information within other information in such a way that it is hard or even impossible to identify the existence of any hidden information. There are many different carriers for steganography. Of which, most popular ones are digital images. Due to recent developments in steganalysis, providing security to personal contents, messages, or digital images using steganography has become difficult. By using steganalysis, one can easily reveal existence of hidden information in carrier files. This project introduces a novel steganographic approach for covert communications between two private parties. The approach introduced in this project makes use of both steganographic as well as cryptographic techniques. The process involves converting a secret image into a text document, then encrypting the generated text into a ciphertext using a key (password) based encryption algorithm, and finally embedding the ciphertext on to a cover image. This embedding process is carried out using a threshold based scheme that inserts secret message bits into the cover image only in selected pixels. The security to maintain secrecy of message is achieved by making it infeasible for a third person to detect and retrieve the hidden message.
Project URL:   404.pdf
 
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