JSON Web Tokens crash course - JWT tokens explained

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00:00 Introduction to JSON Web tokens
01:42 The purpose of digital signatures with JWTs
03:49 How to create digital signatures
08:37 Types of JWTs: JSON Web Signature vs JSON Web Encryption
12:50 JWTs in action: server to server communication
13:58 Using JWTs for client side sessions
17:17 Using JWTs with OAuth2, OpenID Connect and single sign on (SSO)
18:25 Using JSON Web Encryption (JWE) for end-to-end encryption
22:00 Building blocks of a JSON Web Signature (JWS) token
22:56 JWT JOSE header
25:38 JWT claim set explained
26:47 How to create a JSON Web Signature
31:54 JWT compact serialization format
34:22 HMAC vs RSA-based JSON Web Signature Tokens
36:40 HMAC-based JWT tokens
38:50 RSA-based JWT tokens
40:17 How to implement a server to server communication with RSA JWT tokens
44:22 Summary and wrap up

In this video we cover what JSON Web Tokens are, what the difference between JSON Web Encryption (JWE) and JSON Web Signature (JWS) and for what these tokens are typically used.