Nowadays, the use of internet are growing increasingly across the world, security becomes
a prime concern of issue for the society. Earlier security was a major issue for military …

A symmetric block cipher employing a substitution–permutation duo is an effective technique
for the provision of information security. For substitution, modern block ciphers use one or …

In this paper, we propose to present a novel technique for designing cryptographically
strong substitution-boxes using cubic polynomial mapping. The proposed cubic polynomial …

With the fast progression of digital data exchange in electronic way, information security is
becoming much more important in data storage and transmission. Cryptography has come …

In these days use of digital data exchange is increasing day by day in every field.
Information security plays very important role in storing and transmitting the data. When we …

Blowfish algorithm (BA) is a symmetric block cipher with a 64-bit block size and variable key
lengths from 32 bits up to a maximum of 448 bits. In order to measure the degree of security …

Internet and networks applications are growing very fast. So the importance and the value of
the exchanged data over the internet are increasing. Information Security has been very …

This paper addresses the problems and threats associated with verification of integrity, proof
of authenticity, tamper detection, and copyright protection for digital‐text content. Such …

The principal goal of designing any encryption algorithm is to hide the original message and
send the non readable text message to the receiver so that secret message communication …

Security is the most challenging aspects in the internet and network applications. Internet
and network applications are growing fast. So the importance and the value of the …