Computer security is a branch of technology known as information security as applied to
computers. Computer security objectives are among others the protection of information …

Techniques in encrypting digital images play a crucial role in the prevention of unauthorized
access. This paper focuses on color image encryption and decryption using 3D chaotic map …

Digital image security has become a major concern due to open networks and Internet data
sharing. Many image encryption algorithms have been introduced recently for securely …

Data security is an increasingly important issue. In this paper, a scheme to encrypt and
decrypt colored images is presented in which two random secret keywords are used as …

In the present time, Due to the rapid growth of digital communication and multimedia
application, security becomes an important issue of communication, storage and …

In this investigation, we derive the characteristics polynomial and compute the eigenvalues
related to special matrices called magic squares. Also, a semi magic square is a matrix that …

Yer değiştirme kutuları (Substitution Box, s-box) blok şifreleme algoritmalarında yaygın
olarak kullanılmaktadır. S kutularının kullanılması şifreleme algoritmasını daha güçlü hale …

In this paper, a proposed cancellable biometric scheme is based on multiple biometric
image identifiers, Arnold's cat map and double random phase encoding (DRPE) to obtain …

Background: This paper presents an image security system by combining bit rotation with
block based chaotic maps cryptography. Methods: The system uses permutation technique …

Image scrambling is one of the encryption techniques which is used to change the pixels'
position instead of changing pixels' values. In this paper, an implementation of image …