August 01, 2020

Overview of NimbleTOTP for Two-Factor Authentication in Elixir

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Overview of NimbleTOTP for Two-Factor Authentication in Elixir

Source: dashbit.co

In this blog post, Marlus Saraiva from Dashbit discusses NimbleTOTP, an Elixir library designed to facilitate Two-Factor Authentication (2FA) using Time-based One-Time Passwords (TOTP). He first introduces the concept of 2FA, highlighting its role as an additional security layer requiring users to provide two forms of evidence before access can be granted. The article outlines how to use NimbleTOTP to generate and validate these one-time passwords. It provides examples of generating secret keys, creating URIs for QR codes, and validating TOTP against stored secrets. Through code snippets and practical examples, the post demonstrates how developers can seamlessly integrate 2FA into their applications using NimbleTOTP and related tools like EQRCode and Phoenix.

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