A Generalized Model of Text Steganography by Summary Generation using Frequency Analysis
Anandaprova Majumder, Suvamoy Changder · 2018
Hiding the existence of a message from any intermediary during data communication is the purpose of the method of steganography. Various media files like texts, images and audio e.t.c are used as the media for developing different text steganography algorithms. Media like text is considered to be a difficult target medium in this perspective as it lacks redundant information in it. This research work presents a generalized approach for text steganography, applicable on text samples of any language text, through a technique that uses an intelligent way of summary generation for data hiding. To hide data, we check for the existence of common letter pairs or double letter pairs in keywords of the paragraph, located in the set of normalized sentences of the paragraph. The proposed algorithm finds sentences to generate a possible summary of the text, known as cover text. Same way at the receiver end, we check for the existence of the keywords in the sentences of the summery, generated at the encryption end and gets the binary bits required to generate the secret message. The experimental result shows that the proposed algorithm gives satisfactory output with the cover text obtained from well available internet blogs.