تقنية اخفاء المعلومات @التجمع التقني || لغة C++

التجمع التقني || لغة C++ | United States America (US)

Create: 2020-10-11 Update: 2025-07-06 09:45:26

تقنية اخفاء المعلومات
إخفاء المعلومات الرقمية الحديثة ، يتم أولاً تشفير البيانات أو تشفيرها بطريقة أخرى ثم إدراجها ، باستخدام خوارزمية خاصة ، في البيانات التي تعد جزءًا من تنسيق ملف معين مثل صورة JPEG أو ملف صوت أو فيديو. يمكن تضمين الرسالة السرية في ملفات البيانات العادية بعدة طرق مختلفة. تتمثل إحدى الأساليب في إخفاء البيانات بالبت التي تمثل بكسلات الألوان نفسها المتكررة في صف واحد في ملف صورة. من خلال تطبيق البيانات المشفرة على هذه البيانات المكررة بطريقة غير واضحة ، ستكون النتيجة ملف صور يبدو مطابقًا للصورة الأصلية ولكن يحتوي على أنماط "ضوضاء" للبيانات العادية غير المشفرة. تعد ممارسة إضافة علامة مائية – علامة تجارية أو غيرها من بيانات التعريف المخفية في ملفات الوسائط المتعددة أو غيرها من محتويات المحتوى – أحد الاستخدامات الشائعة لعلم إخفاء المعلومات. العلامة المائية هي تقنية غالبًا ما يستخدمها الناشرون عبر الإنترنت لتحديد مصدر ملفات الوسائط التي تتم مشاركتها دون إذن .

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التجمع التقني || لغة C++

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التجمع التقني || لغة C++

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