Dual Hiding in Digital Image Files
Author(s) -
Farah Mohammed
Publication year - 2011
Publication title -
maǧallaẗ al-rāfidayn li-ʿulūm al-ḥāsibāt wa-al-riyāḍiyyāẗ/al-rafidain journal for computer sciences and mathematics
Language(s) - English
Resource type - Journals
eISSN - 2311-7990
pISSN - 1815-4816
DOI - 10.33899/csmj.2011.163629
Subject(s) - digital watermarking , information hiding , computer science , steganography , cover (algebra) , cryptography , key (lock) , image (mathematics) , authentication (law) , embedding , digital image , least significant bit , theoretical computer science , computer security , computer vision , artificial intelligence , image processing , mechanical engineering , engineering , operating system
131 Dual Hiding in Digital Image Files Farah Tareq Mohammed farahtarik@uomosul.edu.iq College of Computer Science and Mathematics University of Mosul, Mosul, Iraq Received on: 11 / 1 / 2011 Accepted on: 16 / 5 /2011 ABSTRACT The technique of information hiding is one of information security techniques, which works on embedding information on media in such a way that avoid bringing suspicion of discovering transmission between two ends. In this paper, a modified algorithm is suggested depending on two principles: double information hiding and multiple watermarking. The first principle is represented by cryptography and steganography in a way that each method work separately from the other to ensure a secure content that embedded in the message. While the second principle depends on multiple watermarking represented by images with secret key in a gray image to achieve authentication and accuracy of sending data. Cryptography is used to protect binary image (original watermarking) by using a secret key and embedding more than watermarking (binary and gray images) inside cover file (color image) by using signature (data) that have been taken from the cover file and adopted in the spatial domain for hiding data. Key word: LSB, Watermarking, PSNR, NC ءافخلإا ةيمقرلا ةروصلا تافلم يف جودزملا دمحم قراط حرف ساحلا مولع ةيلك و تايضايرلاو ب ، لصوملا ةعماج :ثحبلا ملاتسا خيرات 11 / 1 / 2011خيرات :ثحبلا لوبق 16 / 5 / 2011 صخلملا ةينقت نإ لإا ءافخ تاينقت ىدحإ يه ةينمأ لمعت ثيح تانايبلا ةقيرطب نيعم طسو يف تامولعملا نيمضت ىلع :امه نيأدبم ىلع دمتعت ةيمزراوخ حا رتقا مت ثحبلا اذه يف .نيفرط نيب لسا رت دوجوب كشلا بلجت لا لإا ءافخ جودزملا أدبملا لثمتي ةددعتملا ةيئاملا تاملاعلاو لأا و ل ريفشتلاب و ءافخإ دح ىلع اهنم لك لمعت ثيح تامولعملا ة ريفوتل ةينمأ ل يرس حاتفم عم )روصلاب ةلثمتملا( ةددعتملا ةيئاملا تاملاعلا مادختساب لثمتيف يناثلا أدبملا امأ ،ةنيعم ةلاسر تايوتحم تانايب ىلع ظافحلا يف ريفشتلا ةيلمع تمدختسا دقل .ةلسرملا تانايبلا ةقدو ةيقوثولا قيقحتل ةيدامرلا ةروصلا فلم لخاد ةيئاملا ةملاعلا( ةيئانثلا ةروصلا لأا و ل ى دامتعاو ،يرس حاتفم مادختساب ) رثكأ ةروصلاو ةيئانثلا ةروصلا( ةيئام ةملاع نم ( عيقوت مادختسا عم )ةنولملا ةروصلا( ءاطغلا فلم لخاد )ةيدامرلا signature مت ) اهذخأ دقو ،ءاطغلا فلم تانايب نم يف يناكملا لاجملا دامتعا مت ءافخإ .تانايبلا :ةيحاتفملا تاملكلا لاعلا .ةيئاملا ةم
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