Symmetric Key Cryptography The Keyword Cipher

Symmetric Key cryptography, in this course offers an in-depth exploration of symmetric key cryptography, a foundational technique for secure communication and data protection. Learn how the same key is used for both encryption and decryption, ensuring data confidentiality. Discover the inner workings of widely-used algorithms like DES, AES, Triple DES, and Blowfish, and understand their applications in securing networks and data storage. Gain hands-on experience in implementing symmetric encryption using programming languages like Python and tools like OpenSSL. The course also covers key management challenges, best practices for secure key distribution, and comparisons with asymmetric cryptography. By the end, you’ll have a strong grasp of symmetric key principles and their role in modern cybersecurity, making you well-equipped to design and implement secure systems.