A Secure Image based Steganography and Cryptography with Watermarking
Sarita Poonia1, Mamtesh Nokhwal2, Ajay Shankar3
1Mamtesh Nokhwal, Guru Jambheshwar University of Science & Technology, Hisar, India.
2Sarita Rani, Guru Jambheshwar University of Science & Technology, Hisar, India.
3Dr. Ajay Shankar, Guru Jambheshwar University of Science & Technology, Hisar, India.
Manuscript received on June 11, 2013. | Revised Manuscript received on June 15, 2013. | Manuscript published on June 25, 2013. | PP: 66-70 | Volume-1 Issue-8, June 2013. | Retrieval Number: H0350061813/2013©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: In this paper we uses the steganography and cryptography techniques with the watermarking so that to protect the particular information. Steganography is accomplished through hiding the information in the other information, thus by hiding the existence of the communicated information and steganography can be amplified by combining it with the cryptography and watermarking. And the cryptography is used for the security purpose. Cryptography uses two main styles or forms of encrypting data, symmetrical and asymmetrical. Watermarking technology is used for copyright protection of images, audios and videos. Watermarking process to signal modulation model. The basic idea of the proposed system is that it will allow an average user to securely transfer the text information by hiding them in a digital image file using the local characteristics within the image, which will provide a strong backbone for its security.
Keywords: Cryptography, PSNR, steganography, Water marking.