Top 20 NuGet two-factor Packages

.Net library for two-factor (or multi-factor) authentication using TOTP and QR-codes.
This is an implementation of HOTP and TOTP which are commonly used for multi factor authentication by using a shared key between the client and the server to generate and verify one time use codes. This library is capable of generating and verifying both TOTP and HOTP authentication codes. The cal...
QR code provider for TwoFactorAuth.Net using the excellent QRCoder library (https://github.com/codebude/QRCoder/)
An ASP.NET Core library for generating and validating one time passwords for google authenticator.
Two factor code and secret generator
An ASP.NET Core library for generating and validating one time passwords for google authenticator.
Simple client library for the Authy API.
An ASP.NET Core library for generating and validating one time passwords for google authenticator. It seems that dotnet pack has a problem to pack own project. This Package needs AspNetCore.Totp. This is a workaround to not merge my project into one. If you find way of doing it correctly, let me kno...
LaunchKey Windows Phone SDK
A library for integrating Privakey authentication to .NET-based web services. Privakey is a secure, password-free, multi-factor authentication service. For more information visit https://www.privakey.com or contact support@privakey.com
This package enables quicker consumption of Authy's two-factor authentication service in a .NET client by providing an easy to consume client api.
SDK for accessing LaunchKey V3 endpoints.
Dotnet Utilities Components
LaunchKey .NET SDK
HMAC-Based One-Time Password Algorithm Implementation for dotnet core. Designed to support two factor authentication with common authenticator apps like the Microsoft and Google authenticators.
Notakey .NET SDK for requesting and verifying authentication requests
A modern .NET Standard 2.0 Authy API Library
Simple TOTP library for .NET Standard 1.3
双因素认证,从共享密钥和当前时间计算一次性密码的算法. From AspNetCore.Totp