A New Technique of Text Steganography Based on Novel Numbering System

Abstract

Steganography is the art of hiding information in other information in order to hiding the fact that communication is taking place. There are different types of steganography but text are the most popular because of their frequency on the Internet. It serves as a better way of securing message than cryptography which only conceals the content of the message not the existence of the message. In this paper, a new method of text steganography was applied to embed information in text by Create a new numbering system based on five characters. As which known there are five characters in ASCII table have a null size unlike other known characters which are (0129, 0141, 0143, 0144 and 0157). Anyone can test them by press a (long ALT+ Number). The proposed system can be illustrated by five steps. In the first step the user have to insert a secret message that he want to hide it and a cover message. The second step include encrypt a secret message to base64 in order to avoid unexpected symbols. The third step include convert each character in base64 to the new numbering system in order to get a three hidden character corresponding to each base64 char. The fourth step include put all the three char gropes among the words of cover text.