Cryptography and Network Security (textbook by William Stallings)

Cryptography and Network Security by William Stallings provides essential insights into protecting information and communication over the internet. It covers methods of encoding data (cryptography) to ensure that only authorized users can access it, alongside techniques to secure networks from unauthorized interference and attacks. The book discusses various protocols, algorithms, and implementations that safeguard digital communications, emphasizing the importance of confidentiality, integrity, and authentication in today's interconnected world. Its aim is to equip readers with a comprehensive understanding of how to keep data safe from cyber threats.