Cryptography and Network Security: Principles and Practice

The source Book provides a comprehensive overview of cryptography and network security. It starts with fundamental computer security concepts, covering security attacks, services, and mechanisms, before delving into symmetric and asymmetric encryption techniques. The text explores classical encryption methods like the Caesar cipher and the Playfair cipher, then progresses to modern block ciphers like DES and AES. The source also examines key management and distribution, focusing on public-key cryptography, digital signatures, and hash functions. It delves into authentication protocols like Kerberos, secure shell, and network access control mechanisms, including EAP and 802.1x. Finally, the text discusses IPsec, SSL, and wireless security, including WPA2 and mobile device security. The text aims to equip readers with a foundational understanding of cryptography and network security, while exploring practical applications and challenges.

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