Milan Jovanović • 2/28/2026

How to Implement Two-Factor Authentication in ASP.NET Core

Read Original

This article provides a detailed, practical tutorial for developers on adding Two-Factor Authentication (2FA) to ASP.NET Core applications. It explains the TOTP algorithm, demonstrates generating secure secret keys and QR codes for authenticator apps, and covers the correct setup and validation flow to improve login security.

0 comments
#security #authentication #Aspnet Core
How to Implement Two-Factor Authentication in ASP.NET Core

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

1
The Beautiful Web
Jens Oliver Meiert • 2 votes
2
Container queries are rad AF!
Chris Ferdinandi • 2 votes
3
Wagon’s algorithm in Python
John D. Cook • 1 votes
4
An example conversation with Claude Code
Dumm Zeuch • 1 votes
5
Top picks — 2026 January
Paweł Grzybek • 1 votes
6
In Praise of –dry-run
Henrik Warne • 1 votes
7
Deep Learning is Powerful Because It Makes Hard Things Easy - Reflections 10 Years On
Ferenc Huszár • 1 votes
8
Vibe coding your first iOS app
William Denniss • 1 votes