Treffer: ARABIC/PERSAIN TEXT STEGANOGRAPHY UTILIZING SIMILAR LETTERS WITH DIFFERENT CODES.

Sending information secretly and communicating covertly have been of great interest for ages. For this purpose, text documents have been widely used and, consequently, various methods for hiding information in texts (text steganography) have been developed so far. This paper deals with a new method to hide information in Persian (Farsi) and Arabic texts. In the Unicode Standard, there are two different characters for "Ya" «(This character cannot be represented into ASCII text)» and "Kaf" «(This character cannot be represented into ASCII text)». The two characters of «(This character cannot be represented into ASCII text)» and «(This character cannot be represented into ASCII text)» have the same shape but different codes if they are used at the beginning or in the middle of words. As a result, we can hide information in texts, considering the specified data to be hidden and using one of these two characters (for the positions in which «(This character cannot be represented into ASCII text)» and «(This character cannot be represented into ASCII text)» are at the beginning or in the middle of the words). The above-mentioned method has been implemented by Java Programming Language. [ABSTRACT FROM AUTHOR]

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