V4a: Mastering Message Authentication Codes – Essential Cryptography Concepts 🔐

Video lectures for Alfred Menezes's introductory course on the fundamental building blocks used in cryptography.

Topics covered: MAC schemes, security definition, ideal MAC schemes, generic attack, GSM security

Lecture playlist:
https://www.youtube.com/playlist?list=PLA1qgQLL41SRsHMtsb4up5fTytDeHV_yJ

Course web page: https://cryptography101.ca/crypto101-building-blocks/
The slides are available on the course web page.

Other cryptography courses: https://cryptography101.ca

Slides
00:00 Introduction
01:04 Slide 163: Definition
02:04 Slide 164: Applications of MAC schemes
04:48 Slide 165: Security definition
07:20 Slide 166: Breaking a MAC scheme
07:55 Slide 167: Ideal MAC scheme
08:27 Slide 168: Generic attacks on MAC schemes
09:25 Slide 169: Generic attacks (2)
11:25 Slide 170: GSM
12:19 Slide 171: GSM security objectives
13:11 Slide 172: GSM description
15:06 Slide 173: GSM description (2)
17:29 Slide 174: GSM security
19:30 Coming up