TwoFactorAuth.Net 1.4.0

dotnet add package TwoFactorAuth.Net --version 1.4.0                
NuGet\Install-Package TwoFactorAuth.Net -Version 1.4.0                
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="TwoFactorAuth.Net" Version="1.4.0" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add TwoFactorAuth.Net --version 1.4.0                
#r "nuget: TwoFactorAuth.Net, 1.4.0"                
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install TwoFactorAuth.Net as a Cake Addin
#addin nuget:?package=TwoFactorAuth.Net&version=1.4.0

// Install TwoFactorAuth.Net as a Cake Tool
#tool nuget:?package=TwoFactorAuth.Net&version=1.4.0                

.Net library for two-factor (or multi-factor) authentication using TOTP and QR-codes.

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net46 is compatible.  net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (5)

Showing the top 5 NuGet packages that depend on TwoFactorAuth.Net:

Package Downloads

QR code provider for TwoFactorAuth.Net using the excellent QRCoder library (


A QR Code provider for TwoFactorAuth.Net that has no external API dependency. The image is generated on your own server. Also no dependency on System.Drawing to avoid installation issues with Linux.


Package Description




DisCatSharp.Extensions.TwoFactorCommands Extension allowing to require two factor authentication for commands.

GitHub repositories (1)

Showing the top 1 popular GitHub repositories that depend on TwoFactorAuth.Net:

Repository Stars
NosCore is a Nostale emulator in c# (.Net 8) using DotNetty / Entity Framework / WebAPI / Autofac / Mapster / Serilog
Version Downloads Last updated
1.4.0 1,095,182 7/10/2020
1.3.9 42,970 6/1/2020
1.3.8 135,585 6/21/2019
1.3.6 134,418 3/19/2019
1.3.4 29,173 6/9/2018
1.3.3 1,348 6/6/2018
1.3.1 39,631 2/28/2018
1.3.0 2,217 2/24/2018
1.2.1 58,139 2/21/2017
1.1.0 4,380 11/23/2015
1.0.1 1,974 11/21/2015
1.0.0 1,773 11/19/2015

* GetQrText() is now public