طريقة إخفاء باستخدام إخفاء رمز QR للتطبيقات العسكرية
Hiding Method through QR Code Steganography for Military Application
- الباحث
- زينب عبدالوهاب محسن
- المشرف
- ميساء حميد عبد الأمير
- الجامعة
- الهيئة العراقية للحاسبات والمعلوماتية
- الكلية / القسم
- معهد المعلوماتية للدراسات العليا / علوم الحاسوب
- الشهادة
- دبلوم عالي
- السنة
- 2023
- لغة الرسالة
- انكليزي
- الكلمات المفتاحية
- Steganography;QR code;Fernet encryption;Military messages
Abstract
Steganography is the practice of concealing data within seemingly ordinary cover data, ensuring only the intended recipient can detect the hidden information. This technique employs various digital media forms like text, images, audio, and video to hide confidential data, making it appear innocuous to everyone except the sender and receiver. The problem that leads to this research is the pressing requirement to securely convey military messages with utmost confidentiality, then to highlight message significance while safeguarding critical military information. The important purpose is to develop an intricate algorithm that minimizes data size for transmission and deceive the attacker by sending an innocent message without any suspicions, with using the benefit of QR image as if it represents the secret message. The proposed hiding method used to enhance military message security through a multi-stage process. The method involves concealing both text and image files within a cover image to bolster the protection of transmitted military data. The proposed method has benefited from two processes encryption (Fernet Algorithm) and compression (RLE Method) which they approved to achieve best concealment results, they both increase the security level and minimizing the size of the secret message to get better hiding. The concealment process encompasses five main phases: 1-Encrypting the plaintext "this is the secret message" using the Fernet encryption algorithm. 2-Generating a QR image. 3-Compressing the resulting image. 4-Applying steganography to hide the secret image within the cover image. 5-Unveiling the concealed secret message. The proposed method used nine cover image with different sizes to prove the hiding process and they submit to evaluation metrics (SSIM and PSNR) to compare between the cover and stego images, through these metrics, the hiding process proved it is quality, by getting values approaching to the cover image.
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