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Digital Text Watermarking: Secure Content Delivery and Data Hiding in Digital Documents

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2 Author(s)
Qadir, M.A. ; Fac. of Eng. & Sci., Mohammad Ali Jinnah Univ., Islamabad ; Ahmad, I.

Secure communication of data over public channels is one of the most important challenges. Both the activities to secure contents and to break security are very hot. In order to reduce the chances of attack, security needs to be made invisible. The needs to preserve originality, ownership information, and integrity of text documents in a way that cannot be identified by everyone is being felt badly. Watermarking of the documents is a step toward achieving these objectives. However, to watermark a plain text document (ASCII) in a way that the original text will not change (and it would be very difficult to break it), is a great challenge. We have developed a novel encoding scheme which can be used to insert information in plain text without changing the text. A system has been developed based upon this encoding scheme. This paper describes the system and demonstrates its workings

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:21 ,  Issue: 11 )