Learn the fundamental principles and practical applications of modern cryptography in this comprehensive course covering information security essentials. Master core cryptographic concepts including block ciphers (DES, AES), stream ciphers, hash functions (MD, SHA), public key cryptography (RSA, EIGamal, ECC), digital signatures, and key management protocols. Develop skills to analyze security requirements, understand cryptographic algorithm applications, and implement secure systems. Explore classical cryptography foundations before diving into modern techniques, with emphasis on both theoretical understanding and practical implementation. Build expertise in network and information security through hands-on experience with cryptographic protocols, preparing for advanced study or professional work in cybersecurity system design and development.