Block Ciphers: AES
Explains the SPN structure used by AES, the roles of confusion and diffusion, and how it differs from the Feistel structure in DES.
// CATEGORY
Security
Posts in this collection, ordered newest first.
Cryptography: Attacks on Classical Ciphers
Explains brute-force key search and frequency analysis, including why monoalphabetic substitution ciphers are vulnerable.
Hyundai AutoEver White Hat: Introduction to Information Security (2)
Summarizes attacker motivations and ROI, asset identification, and the security practitioner's approach to emerging threats.