Google Authenticator in Spring Boot | JWT + Redis Security Architecture
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In this tutorial, we implement Two-Factor Authentication (2FA) in a Spring Boot application using Google Authenticator, JWT tokens, and Redis. We cover everything from AES-GCM encryption to preventing brute-force attacks.
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Content:
00:00:00 intro
00:01:14 project overview
00:02:17 Cloning Starter Project
00:03:31 JWT + Redis Architecture Walkthrough
00:06:02 Exploring the Codebase
00:08:35 PostgreSQL and Redis Setup
00:11:30 Running and fixing errors
00:15:15 Testing Existing Application
00:20:15 Introducing MFA Concept
00:23:38 Adding Auth Dependency
00:26:02 Creating MFA Controller
00:29:43 Creating MFA Service
00:32:02 Updating User Entity
00:34:45 Creating TOTP Utility Class
00:41:53 Encryption/Decryption Service
00:58:16 Scanning the QR code in Google Authenticator
01:07:51 Verification Flow
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