Explains secret key agreement systems, perfect secrecy, and the criteria for secure communication.
Explores secret key generation using polar coding for short blocklengths, discussing key capacity, rate-leakage pairs, and practical implementation.
Covers the importance of passwords in authentication, including secure transfer, storage, and checking techniques.
Covers the concept of tokens, how they work, and the implementation of two-factor authentication.
Explores DES and AES encryption, discussing weak keys, attacks, AES structure, IV importance, and various modes of operation for secure encryption.
Introduces secret key cryptography, covering 'one-time pad' encryption, flaws in key sharing, and the Data Encryption Standard (DES) principles and operation.
