GoogleAuthenticatorService.Core

Description

This library was rebuilt of https://github.com/BrandonPotter/GoogleAuthenticator, which is built for .NET Framework. This library is meant to setup and use two-factor authentication with Google Authenticator for .NET Core 2.0

Installation

Via Nuget

Install-Package GoogleAuthenticatorService.Core

Getting started

1. Generate Setup Code.

TwoFactorAuthenticator Authenticator = new TwoFactorAuthenticator();
var SetupResult = Authenticator.GenerateSetupCode("<Title>", "<Secret Key>", 250, 250);
string QrCodeUrl = SetupResult.QrCodeSetupImageUrl,
string ManualCode = SetupResult.ManualEntryKey

2. You'll get something like this. Imgur

3. Setup Code to your Google Authenticator App.

4. When using, you can verify code like this.

TwoFactorAuthenticator Authenticator = new TwoFactorAuthenticator();
bool ValidateResult = Authenticator.ValidateTwoFactorPIN("<Secret Key>", "123456");