In today's world, where Digital Communication is becoming an integral part of everyone's
life, cyber security has become a challenge. There are various threats to the data being sent …

Communication between a sender and receiver needs security. It can be done in any form,
like plain text or binary data. Changing the information to some unidentifiable form, can save …

Background: Data that are in the form of text, audio, image, and video are used everywhere
in our modern scientific world. These data are stored in physical storage, cloud storage and …

Information is all over the place. Laptops, computers, mobiles, everything is flooded with it.
As the days pass by, data is tremendously increasing. Hence transferring, saving and …

Data transmission through a secure channel is important in our daily experience with the
objective to ensure that the receiver is the only one authorized and able to discover the …

Internet and network application are growing at very fast rate, so the need to protect such
application are increased. This paper solves this problem by proposing two different …

Cryptography is the technique for hiding data and information from unauthorized users. It is
the art of achieving security by encoding messages to make them non-readable. When we …

Data compression is known for reducing storage and communication costs. It involves
transforming data of a given format, called source message to data of a smaller sized format …

There are three basic encryption methods: hashing, symmetric cryptography, and
asymmetric cryptography. Each of these encryption methods have their own uses …

Data security and confidentiality issues are of paramount importance both within an
organization in the form of a commercial (enterprise), a college, a government agency, as …