Despite getting slighter in weights and smaller in sizes, camera-bearing UAVs are
extensively used in countless applications. This has posed significant safety and security …

Swap** a row with a row, a column with a column or row with a column are usual
operations carried out to scramble the given input plain image. To introduce more …

In the current era of digital communication, image security is a top priority as sending
images, which often contain personal or confidential information, over the Internet poses …

Multimedia security is important as privacy and protection has to be ensured when images
from military, medical and other confidential services are sent through the unprotected …

In this chapter, we first overview the applications of combinatorics in cryptography. Then, we
take look at some historical applications of non-combinatorial squares and cubes in …

Perfectly-secure cryptography is a branch of information-theoretic cryptography. A perfectly-
secure cryptosystem guarantees that the malicious third party cannot guess anything …

Protection of multimedia information from unauthorized access demands a mechanism that
provides security. In addition, securing the information contents in less time is a challenging …

Images are susceptible to degradation by noise from different sources as they undergo
various processes. The effect of noise degradation affects the visual information fidelity …

Image encryption is the process of hiding the real form of an image, its goal is to protect the
confidentiality of digital image information that is sent over public networks. This paper …

Perfectly secure cryptography is a branch of information-theoretic cryptography. A perfectly
secure cryptosystem guarantees that the malicious third party cannot guess anything …