A novel steganography technique by mapping words with LSB array
by Gandharba Swain; Saroj Kumar Lenka
International Journal of Signal and Imaging Systems Engineering (IJSISE), Vol. 8, No. 1/2, 2015

Abstract: In this paper a new steganographic technique based on LSB array is proposed. Four LSB arrays such as LSB0, LSB1, LSB2 and LSB3 are defined. One of the four arrays is opted and formed depending upon the length of the secret message. For longer messages LSB3 array can be chosen. The different words of the secret message are mapped on the chosen array, where maximum match occurs, there steganographed and start indices are noted down. Once a word is embedded in a portion of the array, that portion is made unavailable for subsequent words. The length of each word and their start indices altogether are encrypted by RSA algorithm. The cipher text obtained is compressed and then embedded at some reserved location in the image. This reserved location was not used in forming the used LSB array. The experimental results confirm the strength of this technique.

Online publication date: Sun, 25-Jan-2015

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Signal and Imaging Systems Engineering (IJSISE):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com