![]() ![]() In mobile app implementations, the user only needs to launch the TOTP application and then key-in the TOTP that appears on-screen into the application.The password may be generated by an app on the user’s phone, making it more difficult for an attacker to acquire the password, as the user’s phone is usually by his/her side.The password changes every n number of seconds (usually, 30 seconds), preventing eavesdroppers from using that same password later in the future if somehow they’re able to get hold of it.There are many types of two-factor authentication systems, but for them to work, they must be both secure and user-friendly. You need an additional layer of security - a second factor. In today’s age, it is a no-brainer that passwords alone can’t keep the bad guys out. Time-based OTP (TOTP) is an algorithm that factors in the current time to generate a unique one-time password. One of the features I added to Enquirer was the ability to verify time-based one-time passwords, directly from command-line, generated by any two-factor authentication application, such as Google Authenticator, without the need of an internet connection. At the time of writing this article, Enquirer has upwards of 4500 Github stars and is used by more than 7500 other repositories. It lets you create stylish command line prompts that are user-friendly and easy to create. In this tutorial, I will demystify the magic behind Google Authenticator’s expiring OTP codes and show you how to add Google Authenticator support to your application from scratch, in JavaScript.Īs part of Pesto’s career accelerator program, I got an opportunity to contribute to this amazing open-source project called Enquirer. If you have the Facebook app installed on your phone, the security code will not be required as if the application is present and it holds your account information, it is already seen as approved.About Authenticator is something that many of us use all the time but how many of us really understand how it works under the hood? The only time you will be prompted for a new security code is if you attempt to log in using a computer or browser that you have never used before. Try out the new application once it’s added by entering in the onetime passcode below the QR Code. Test the new application in the window provided Now, open your Passly Authenticator mobile application, click the + in the top right corner, and hold your mobile phone up to your computer screen and scan the barcode displayed on your computer.Select the Setup another way to get security codes, Enter your password to confirm your account, which will also reveal your secret QR Code.This will disable Facebooks’ code generator and allow you to configure the Passly Authenticator. Go to Settings > Security and edit the Code Generator Section and click Disable code generator. The steps for pairing Passly Authenticator with Facebook are shown below Rather than using this verification process, or having to authorize each computer / browser used to access Facebook, having the Passly Authenticator verify your identity. However if you've turned on private browsing or set up your browser to clear your history every time it closes, you might have to enter a code you receive via email every time you log in and verify your Facebook account. This is so it can use the camera to scan barcodes and Qrcodes from other applications that you wish to pair it with.įacebook does offer it’s own version of generating codes to authenticate you when you log into a browser on a computer you have accessed Facebook before. Upon first activation of the Passly Authenticator, it will ask for authorization to access the camera. Download the Passly Authenticator mobile app, install it and grant the application access to the camera so it can scan barcodes / QRCodes to add new applications such as Facebook, to the application. You can setup two-factor authentication for Facebook by using Passly Authtenticator two-step verification.
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