Public Key Cryptography Courses and Certifications

Strange Loop Conference

End-to-End Encryption - Behind the Scenes

Explore how secure messaging protocols combine key exchange, forward secrecy, authentication, and message authentication to protect conversations from compromised servers and impostors.

• YouTube
• 40 minutes
• Self-Paced
• Conference Talk

Security BSides London

Elliptic Curve Cryptography for Those Who Are Afraid of Maths

A low-math introduction to how elliptic-curve point arithmetic enables key exchange—and how a Dual_EC_DRBG backdoor exploited the same ideas.

• YouTube
• 29 minutes
• Self-Paced
• Conference Talk

Hussein Nasser

How Bad Is a Leaked GitHub SSH Key?

Examines GitHub’s exposed RSA SSH private key, the resulting host-key warning, attack risk, remediation, and whether ECDSA is immune.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

Caleb Curry

Cryptography All-in-One Tutorial Series

A one-hour overview of symmetric and asymmetric encryption, digital signatures, and hashing, with examples including AES, elliptic curves, and MD5.

• YouTube
• 1 hour
• Self-Paced
• Free Video

Hussein Nasser

What Does It Take to Break Bitcoin’s Encryption? - The Backend Engineering Show

Explores what it would mean to break Bitcoin encryption through keys, addresses, transaction signatures, and public-key visibility.

• YouTube
• 32 minutes
• Self-Paced
• Free Video

Practical Networking

TLS 1.3 Cipher Suites - Key Changes and Improvements

Explore key changes in TLS 1.3 cipher suites, including simplified structure, fewer options, mandatory AEAD and forward secrecy, and the elimination of custom DH groups.

• YouTube
• 17 minutes
• Self-Paced
• Free Video

John Savill's Technical Training

How Encryption Works - A Comprehensive Guide from Basics to Advanced Techniques

Explore encryption fundamentals, from symmetric and asymmetric methods to TLS handshakes, Diffie-Hellman exchanges, and AES. Gain insights into secure communication protocols and advanced encryption techniques.

• YouTube
• 2 hours 38 minutes
• Self-Paced
• Free Video

John Savill's Technical Training

Understanding and Using Verifiable Credentials

Explore decentralized identity and verifiable credentials, covering DIDs, DID documents, and their practical applications. Gain insights into the future of digital identity management.

• YouTube
• 1 hour 32 minutes
• Self-Paced
• Free Video

Bill Buchanan OBE

Applied Cryptography and Trust

Master cryptography fundamentals, symmetric/public key encryption, hashing, digital certificates, and secure tunneling protocols for real-world security applications.

• YouTube
• 9 hours 47 minutes
• Self-Paced
• Free Video

Bill Buchanan OBE

Applied Cryptography and Trust - CSN11131 Doodles

Explore cryptographic fundamentals through visual doodles covering symmetric keys, hashing, public key encryption, key exchange, and digital certificates for trust systems.

• YouTube
• 5 hours 7 minutes
• Self-Paced
• Free Video

Bill Buchanan OBE

Homomorphic Encryption

Unlock the power of homomorphic encryption and advanced public key cryptography techniques including RSA, ECC, ElGamal, and quantum-resistant methods like LWE.

• YouTube
• 17 hours 50 minutes
• Self-Paced
• Free Video

Black Hat

Recover a RSA Private Key From a TLS Session With Perfect Forward Secrecy

Explore RSA private key recovery from TLS sessions with Perfect Forward Secrecy, focusing on faulty digital signatures and hardware vulnerabilities in network devices.

• YouTube
• 42 minutes
• Self-Paced
• Conference Talk

Tech with Tim

Linux for Programmers - Public-Private Key Authentication (RSA) and FTP

Set up RSA public/private key authentication for Linux servers on macOS and Windows, then transfer server files through FTP.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

NDC Conferences

Why FIDO Security Keys & Webauthn Are Awesome

Explore how FIDO security keys and WebAuthn use public-key cryptography and hardware authenticators to resist phishing and protect accounts.

• YouTube
• 47 minutes
• Self-Paced
• Conference Talk

Write your own Operating System

Encryption: SSL/TLS, RSA, Certificates, and CAs

Explore asymmetric encryption, digital signatures, RSA algorithm, and SSL/TLS protection. Learn about certificates, CAs, and implement secure network connections.

• YouTube
• 52 minutes
• Self-Paced
• Free Video