An Efficient Method for Digital Image Encryption Based on Improved Chaotic Map

Abstract

With the development of information technologies and the increasing possibility of unauthorized access to data published on the Internet, the need to take care of data has become an important issue. One method that can be useful in data security is encryption. By using data encryption, data can be easily distributed in different environments safely. This paper presents and investigates an encryption method based on chaos theory for digital images. The tests and analyses performed on encrypted images show that the presented method has the necessary efficiency.

Keywords

• Image Encryption
• Chaotic map
• Random number
• Baker map

İyileştirilmiş Kaotik Haritaya Dayalı Bir Dijital Görüntü Şifreleme Yöntemi

Abstract

Bilişim teknolojilerinin gelişmesi ve internette yayınlanan verilere yetkisiz erişim olasılığının artmasıyla birlikte verilerin korunması ihtiyacı önemli bir konu haline gelmiştir. Veri güvenliğinde faydalı olabilecek yöntemlerden biri şifrelemedir. Veri şifreleme kullanılarak, veriler farklı ortamlarda güvenli bir şekilde kolayca dağıtılabilir. Bu makale, dijital görüntüler için kaos teorisine dayalı bir şifreleme yöntemini sunmakta ve incelemektedir. Şifrelenmiş görüntüler üzerinde yapılan testler ve analizler, sunulan yöntemin gerekli verimliliğe sahip olduğunu göstermektedir.

Keywords

• Görüntü Şifreleme
• Kaotik harita
• Rastgele sayı
• Baker haritası

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