This is a gentle introduction in using Google Authenticator to generate time-based one-time passwords in Spring Boot (using Kotlin). The shared secret is exposed using a RestController by generating a QR code. There will be a follow-up video about using multi-factor authentication as part of a Spring Security authentication flow – consider subscribing if you don’t want to miss it!
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00:00 – Intro
00:32 – MFA Overview
01:50 – Google Authenticator Key Uri…