Cyberwarfare: Information Operations in a Connected World, 2nd Edition

An Introduction to Cryptography

Cryptography is the study and practice of techniques to secure communication and protect it from adversaries. Cryptography in cyberwarfare often involves encryption, which is a process that encodes information in a way that prevents unauthorized parties from reading the data. Of course, data that are encrypted need to go through the decryption process, which removes the encoding, allowing authorized parties to read the original text.

NOTE

Cryptography includes more than just encryption. Most modern cyberwarfare uses involve encryption, so encryption is a main focus throughout most of this chapter. Despite that, ...