Explore symmetric key encryption in this comprehensive 51-minute lecture. Delve into encryption fundamentals, including keys, block and stream ciphers, and various modes like ECB. Examine padding techniques, encryption methods, and popular algorithms such as AES and 3DES. Learn about key entropy and its importance in cryptographic security. Gain practical insights through hands-on examples and demonstrations, enhancing your understanding of applied cryptography and trust in digital systems.
Applied Cryptography and Trust - Symmetric Key
Overview
Syllabus
Symmetric Key Encryption
Encryption
Keys
Block or Stream
Modes
Ecb
Padding
Encryption Methods
AES
ThreeDES
Stream Cipher
Key Entropy
Summary
Taught by
Bill Buchanan OBE
