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DOI: 10.14569/IJACSA.2011.020304
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Advanced Steganography Algorithm using Encrypted secret message

Author 1: Joyshree Nath
Author 2: Asoke Nath

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 2 Issue 3, 2011.

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Abstract: In the present work the authors have introduced a new method for hiding any encrypted secret message inside a cover file. For encrypting secret message the authors have used new algorithm proposed by Nath et al(1). For hiding secret message we have used a method proposed by Nath et al(2). In MSA(1) method we have modified the idea of Play fair method into a new platform where we can encrypt or decrypt any file. We have introduced a new randomization method for generating the randomized key matrix to encrypt plain text file and to decrypt cipher text file. We have also introduced a new algorithm for encrypting the plain text multiple times. Our method is totally dependent on the random text_key which is to be supplied by the user. The maximum length of the text_key can be of 16 characters long and it may contain any character(ASCII code 0 to 255). We have developed an algorithm to calculate the randomization number and the encryption number from the given text_key. The size of the encryption key matrix is 16x16 and the total number of matrices can be formed from 16 x 16 is 256! which is quite large and hence if someone applies the brute force method then he/she has to give trail for 256! times which is quite absurd. Moreover the multiple encryption method makes the system further secured. For hiding secret message in the cover file we have inserted the 8 bits of each character of encrypted message file in 8 consecutive bytes of the cover file. We have introduced password for hiding data in the cover file. We propose that our new method could be most appropriate for hiding any file in any standard cover file such as image, audio, video files. Because the hidden message is encrypted hence it will be almost impossible for the intruder to unhide the actual secret message from the embedded cover file. This method may be the most secured method in digital water marking.

Keywords: Steganography; MSA algorithm; Encryption; Decryption.

Joyshree Nath and Asoke Nath, “Advanced Steganography Algorithm using Encrypted secret message” International Journal of Advanced Computer Science and Applications(IJACSA), 2(3), 2011. http://dx.doi.org/10.14569/IJACSA.2011.020304

@article{Nath2011,
title = {Advanced Steganography Algorithm using Encrypted secret message},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2011.020304},
url = {http://dx.doi.org/10.14569/IJACSA.2011.020304},
year = {2011},
publisher = {The Science and Information Organization},
volume = {2},
number = {3},
author = {Joyshree Nath and Asoke Nath}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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