Cryptography and Network Security, (Hardcover)

Starting with the historical facts behind the concept of information, which led to the creation of computer networks, Internet of things and cryptocurrencies, the book then arrives at the main definitions of cryptography and network security, the protocols that keep the systems running and the cybercrimes that could disrupt the systems.

The basics of information theory, how to measure information, and the information associated with a source are discussed.

Source codes are presented, along with the concepts of information transmission, joint information, conditional entropy, mutual information and channel capacity.