V1: Cryptography 101: Essential Concepts for Beginners 🔐

Welcome to the first video of "Cryptography 101: Building Blocks," a free, state-of-the-art applied cryptography course by Alfred Menezes. This introduction covers the fundamentals of cryptography, essential for cybersecurity, software engineering, and computer science students, as well as security engineers and cybersecurity professionals.

In this course, you’ll learn about encryption, authentication, and digital signatures – key components in protecting data and ensuring secure web transactions. Explore how cryptography powers numerous applications across finance, data privacy, and secure communications. We dive into the important cryptographic building blocks, from secure algorithms to real-world deployments, and examine how cryptography shields sensitive information from unauthorized access.

Whether you’re studying computer science, cybersecurity, or aiming to specialize in data security, this video will give you a solid foundation. Discover how cryptography enables online security, safeguards digital interactions, and serves as the backbone of modern cybersecurity. Don't miss this comprehensive introduction designed for both beginners and those seeking to deepen their understanding of cryptography’s role in today’s digital world. Subscribe for more in-depth content on cryptographic protocols and techniques, designed to advance your skills and career in 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
00:59 Slide 4: What is cryptography?
02:08 Slide 5: Fundamental goals of cryptography
04:32 Slide 6: Secure browsing
05:34 Slide 7: Automatic software upgrades
06:17 Slide 8: Cell phone service
07:07 Slide 9: Bluetooth
07:23 Slide 10: Secure messaging
07:51 Slide 11: Cloud computing
09:43 Slide 12: Secure web transactions (1)
10:16 Slide 13: Secure web transactions (2)
11:24 Slide 14: Secure web transactions (3)
12:39 Slide 15: Secure web transactions (4)
13:12 Slide 16: The TLS protocol (1)
14:08 Slide 17: The TLS protocol (2)
15:03 Slide 18: TLS potential vulnerabilities
18:18 Slide 19: Cryptography in context
18:48 Slide 20: Cybersecurity
19:23 Slide 21: Cryptography is not equal to cybersecurity
20:23 Slide 22: Syllabus (1)
22:08 Slide 23: Syllabus (2)
22:38 Coming up