Next, We need to configure Google Authenticator to create the Google Authenticator bean: import import lombok. `google-authenticator`: to generate and validate the TOTP codes.To implement 2FA in Spring Boot with Google Authenticator, we need to add the following dependencies in your `pom.xml` or `adle` file : In this blog post, we will discuss how to implement 2FA in a Spring Boot application using Google Authenticator, a popular app that generates one-time codes. This usually includes something the user knows (such as a password) and something they have (such as a physical device). Try to log out now and go to the login page from the sign up (home) page. If its correct, youll be redirected to the private page. To Add Google Two Factor Authentication using Google Authenticator you need the following. Use a RandomNumberGenerator from to generate a unique key for each user account. Enter that code in the 2FA Code field and click Submit. The Google Authenticator app uses the key to generate the PIN, while your application will use the key to verify the PIN. 2FA adds an extra layer of protection to your account by requiring users to provide two forms of authentication to access it. After you scan the QRCode in Googles Authenticator app or any other authenticator app, youll see a 6-digit code in the app. Height and Width of the QR image can be changed by passing them to this method Utils.createQRCode().Įmail and Company name (which are just any string) can be also changed in order to display different nameįor each user in their Google Authenticator entry list.In today’s digital world, security is a major concern, and 2-factor authentication (2FA) is one way to increase security. To generate new secret key for each user for example just use generateSecretKey() method from Utils.class. RFC 6238 HOTPTimeBased May 2011 5.Security Considerations 5.1.General The security and strength of this algorithm depend on the properties of the underlying building block HOTP, which is a construction based on HMAC using SHA-1 as the hash function. Or if 2FA code is already expired or invalid: If you did everything correctly then after entering 2fa code to the console you should see the following text message: So you need to enter 6-digits code from your Google Authenticator App.
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