May 25, 2025

Cryptography and Network Security: Principles and Practice, Global Ed

50 minutes

Cover fundamental aspects of cryptography and network security, outlining concepts like divisibility, modular arithmetic, and prime numbers as mathematical underpinnings. They explore symmetric ciphers, including classical techniques and modern standards like DES and AES, along with various modes of operation and the use of hash functions and MACs for data integrity and authentication. The text also introduces public-key cryptography, exemplified by RSA and ElGamal, discusses digital signatures and lightweight cryptography for constrained devices, and examines cryptographic key management and distribution. Finally, it addresses remote user authentication, transport-level security (TLS and SSH), wireless network security (IEEE 802.11i), electronic mail security (S/MIME, SPF, DKIM), IP security (IPsec), network endpoint security (firewalls, intrusion detection, DDoS), and cloud and IoT security, highlighting their key concepts, threats, and countermeasures.

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