Encryption is the primary way for ensuring communication security. The symmetric key
method, often known as Advanced Encryption Standard (AES), is a well-known technique in …

In today's technology world, data security has a great importance. Because each data type
has its own characteristics, there are various methods of providing this security. The main …

Since the past few decades, various methods for diagnosis of different diseases have been
introduced in the area of medical science. One such invention is the use of digital images to …

Abstract In this paper, Advanced Encryption Standard was modified to address the
lowdiffusion rate at the early rounds by adding additional primitive operationssuch as …

The biggest challenge for symmetric cryptosystems is to replace their static substitution with
dynamic substitution, because static substitution S-boxes make the symmetric block ciphers …

In the past two decades, we have seen the proliferation of Internet and its applications. The
information exchange happens via images, videos, texts, audio clips, etc. Medical experts …

In today's era of computer, the most important aspect for data is its security. This is very much
essential when the data is traveling through various mechanisms of wired and wireless …

Block encryption algorithms are among the most preferred applications in cryptographic
systems. Block ciphers should have accomplished some requirements for a secure …

In today's Internet, use of multimedia data has been increased like anything. Our data is
important so need to encrypt our data. For this we need various mechanisms for the same …

Security to information has tremendously changed the way computer and network
transactions performed. One of the methods to secure data is through encryption. Encryption …