Arabic text steganography using lunar and solar diacritics

The need to hide essential information has rapidly increased as mobile devices and the internet overgrown. Steganography is a method created create hidden communication. Recently, methods have been developed important using text steganography. This work-study takes advantage of possibility concealing data in all diacritics after two letters <em>ال</em>)<em>)</em> cover text. In presented study, we propose new algorithm steganography Arabic After pre-processing text, hides elements secret messages inside by adding appropriate (like Hamzah Al-Wasl) on extracted words beginning with (<em>ال</em>) according its third letter type (solar or lunar). proposed algorithm, length message determined so that intended recipient can extract accurately. robust against attack because change small imperceptible. On other hand, since used breadth inclusion depends number definition.