Fundamentals of Information Encryption
Osama S. Faragallah, El-Sayed M. El-Rabaie, Fathi E. Abd El-Samie, Ahmed I. Sallam, Hala S. El-Sayed · Auerbach Publications eBooks · 2014
Nowadays, information has a good value in our world, so information should be secured. Computer networks made a revolution in information usage possible. An authorized user can exchange the information from a distance using computer networks. To secure the information, we need to be able to hide it from unauthorized access, which is called confidentiality; protect it from unauthorized modification, which is called integrity; and make it available to an authorized entity, which is called availability [36].