Implementing TOTP-based Two-Factor Authentication in Spring Boot

Understanding TOTP Two-Factor Authentication Time-based One-Time Password (TOTP) is a widely adopted second-factor authentication mechanism that generates temporary codes using a shared secret key and the current timestamp. Unlike traditional SMS-based verification, TOTP relies on authenticator applications (such as Google Authenticator or Micr ...

Posted on Sun, 10 May 2026 04:43:07 +0000 by False