Security of data/images is one of the crucial aspects in the gigantic and still expanding
domain of digital transfer. Encryption of images is one of the well known mechanisms to …

Securing information became essential to exchange multimedia information safely. The
exchanged data need to be transformed in a well-managed, secure, and reliable manner. In …

In this paper, an encryption algorithm for gray images using a secret key of 128-bits size is
proposed. Initially, visual quality of image is degraded by the mixing process. Resultant …

The network provides a method of communication to distribute information to the masses.
With the growth of data communication over computer network, the security of information …

Image encryption is a suitable method to protect image data. Image and text data has their
unique features. The available encryption algorithms are good for text data. They may not be …

Hundreds of image encryption schemes have been conducted (as the literature review
indicates). The majority of these schemes use pixels as building blocks for confusion and …

We present a novel data encryption approach that utilizes a cascaded chaotic map
application. The chaotic map used in both permutation and diffusion is Arnold's Cat Map …

Lossless encryption methods are more applicable than lossy encryption methods when
marginal distortion is not tolerable. In this research, the authors propose a novel lossless …

Colored digital images are one of the most important types of digital data to be used in many
vital applications, which require a safe way to protect them from hacking operations and the …

Steganography plays an important role in the field of information hiding. It is used in wide
variety of applications such as internet security, authentication, copyright protection and …