Communication has become a lot easier in this era of technology, development of high-
speed computer networks, and the inexpensive uses of Internet. Therefore, data …

The data may be very important and very confidential and when sent in an insecure
environment may be stolen or being snatched on them, which eliminates the importance and …

Recently, lots of research work and papers are focusing on the combination of
steganography and cryptography. Steganography conceals the presence of a secret …

In this paper, a novel stego-method will be introduced, which can be used to hide any secret
message in any holding color image. The proposed method will be implemented and tested …

Video steganography is a method that processes secure communication. When we see the
history of steganography, it was hidden in many ways such as tablets covered with wax, & …

Transform domain steganography methods are always preferable than spatial domain
methods to the research community due to following advantages: better feature …

One of the most famous key exchange protocols is Diffie-Hellman Protocol (DHP) which is a
widely used technique on which key exchange systems around the world depend. This …

Color image encryption-decryption is an important issue, because it is used in many
important applications. This paper will introduce 3 methods of image encryption-decryption …

Security in digital communication is becoming more important as the number of systems is
connected to the internet day by day. It is necessary to protect secret message during …

Purpose”“In a private key system, the major problem is the exchange of the key between the
two parties. Diffie and Hellman have set up a way to share the key. However, this technique …