Information Hiding Algorithm Based on Color for Text Documents

This article presents the Information Hiding algorithm for text documents which based on the feature that human's eye has the weakest sensitivity to the blue color by modifying the blue elements of chars to make information embed in text documents. And this kind of algorithm has the superiorities of huge Information Hiding capacity and strong robustness which can make up the weakpoints of the current situation of Information Hiding algorithm for text documents which are weak robustness and small Information capacity according to theoretical analysis and the outcome of the test. The algorithm therefore has a promising prospect of wide use in the fields of the copyright protection of the electronic text documents etc.