Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Master comprehensive cryptography and network security concepts through an extensive 12-hour video course covering essential encryption algorithms, authentication methods, and digital signatures. Progress from fundamental security concepts and attack types to advanced topics including DES, AES, and RSA algorithms. Explore key authentication mechanisms like MD5 and SHA-512, while gaining practical knowledge of security protocols such as Kerberos, X.509, PGP, IP Security, and SSL. Learn critical techniques in substitution, transposition, and public key distribution alongside modern approaches to digital signatures and key exchange protocols like Diffie-Hellman. Develop a strong foundation in information security principles and their practical applications in securing network communications and data protection.