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Implementing Two Factor Authentication in ASP.NET MVC with Google Authenticator

By , 23 Oct 2012
 
two-factor-noexe.zip
doc
rfc4226.txt
rfc6238.txt
src
packages
EntityFramework.5.0.0
Content
App.config.transform
Web.config.transform
EntityFramework.5.0.0.nupkg
EntityFramework.5.0.0.nuspec
lib
net40
EntityFramework.xml
net45
EntityFramework.xml
tools
about_EntityFramework.help.txt
EntityFramework.PS3.psd1
EntityFramework.psd1
EntityFramework.psm1
init.ps1
install.ps1
Redirect.config
Redirect.VS11.config
NUnit.2.6.1
lib
nunit.framework.xml
license.txt
NUnit.2.6.1.nupkg
repositories.config
TwoFactor.sln
TwoFactor.sln.docstates.suo
TwoFactor.suo
TwoFactor.Tests
packages.config
Properties
AssemblyInfo.cs
TimeBasedTestFixture.cs
TwoFactor.Tests.csproj
TwoFactor
Base32Encoder.cs
HashedOneTimePassword.cs
OneTimePasswordException.cs
Properties
AssemblyInfo.cs
TimeBasedOneTimePassword.cs
TwoFactor.csproj
TwoFactorBruteForceAttempt
Program.cs
Properties
AssemblyInfo.cs
TwoFactorBruteForceAttempt.csproj
TwoFactorConsole
app.config
Program.cs
Properties
AssemblyInfo.cs
TwoFactorConsole.csproj
TwoFactorWeb
Content
Site.css
themes
base
images
ui-bg_flat_0_aaaaaa_40x100.png
ui-bg_flat_75_ffffff_40x100.png
ui-bg_glass_55_fbf9ee_1x400.png
ui-bg_glass_65_ffffff_1x400.png
ui-bg_glass_75_dadada_1x400.png
ui-bg_glass_75_e6e6e6_1x400.png
ui-bg_glass_95_fef1ec_1x400.png
ui-bg_highlight-soft_75_cccccc_1x100.png
ui-icons_222222_256x240.png
ui-icons_2e83ff_256x240.png
ui-icons_454545_256x240.png
ui-icons_888888_256x240.png
ui-icons_cd0a0a_256x240.png
jquery.ui.accordion.css
jquery.ui.all.css
jquery.ui.autocomplete.css
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jquery.ui.button.css
jquery.ui.core.css
jquery.ui.datepicker.css
jquery.ui.dialog.css
jquery.ui.progressbar.css
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jquery.ui.selectable.css
jquery.ui.slider.css
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Controllers
AccountController.cs
HomeController.cs
Global.asax
Global.asax.cs
Models
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packages.config
Properties
AssemblyInfo.cs
QRHelper.cs
Scripts
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jquery.unobtrusive-ajax.min.js
jquery.validate.js
jquery.validate.min.js
jquery.validate.unobtrusive.js
jquery.validate.unobtrusive.min.js
jquery.validate-vsdoc.js
jquery-1.5.1.js
jquery-1.5.1.min.js
jquery-1.5.1-vsdoc.js
jquery-ui-1.8.11.js
jquery-ui-1.8.11.min.js
MicrosoftAjax.debug.js
MicrosoftAjax.js
MicrosoftMvcAjax.debug.js
MicrosoftMvcAjax.js
MicrosoftMvcValidation.debug.js
MicrosoftMvcValidation.js
modernizr-1.7.js
modernizr-1.7.min.js
TwoFactorProfile.cs
TwoFactorWeb.csproj
Views
_ViewStart.cshtml
Account
ChangePassword.cshtml
ChangePasswordSuccess.cshtml
LogOn.cshtml
Register.cshtml
ShowTwoFactorSecret.cshtml
Home
About.cshtml
Index.cshtml
Shared
_Layout.cshtml
_LogOnPartial.cshtml
Error.cshtml
Web.config
Web.config
Web.Debug.config
Web.Release.config
two-factor.zip
rfc4226.txt
rfc6238.txt
lib
Gma.QrCodeNet.Encoding.dll
App.config.transform
Web.config.transform
EntityFramework.5.0.0.nupkg
EntityFramework.5.0.0.nuspec
EntityFramework.dll
EntityFramework.xml
EntityFramework.dll
EntityFramework.xml
about_EntityFramework.help.txt
EntityFramework.PowerShell.dll
EntityFramework.PowerShell.Utility.dll
EntityFramework.PS3.psd1
EntityFramework.psd1
EntityFramework.psm1
init.ps1
install.ps1
migrate.exe
Redirect.config
Redirect.VS11.config
nunit.framework.dll
nunit.framework.xml
license.txt
NUnit.2.6.1.nupkg
repositories.config
TwoFactor.sln
TwoFactor.sln.docstates.suo
TwoFactor.suo
packages.config
AssemblyInfo.cs
TimeBasedTestFixture.cs
TwoFactor.Tests.csproj
Base32Encoder.cs
HashedOneTimePassword.cs
OneTimePasswordException.cs
AssemblyInfo.cs
TimeBasedOneTimePassword.cs
TwoFactor.csproj
Program.cs
AssemblyInfo.cs
TwoFactorBruteForceAttempt.csproj
app.config
Program.cs
AssemblyInfo.cs
TwoFactorConsole.csproj
App_Data
Site.css
ui-bg_flat_0_aaaaaa_40x100.png
ui-bg_flat_75_ffffff_40x100.png
ui-bg_glass_55_fbf9ee_1x400.png
ui-bg_glass_65_ffffff_1x400.png
ui-bg_glass_75_dadada_1x400.png
ui-bg_glass_75_e6e6e6_1x400.png
ui-bg_glass_95_fef1ec_1x400.png
ui-bg_highlight-soft_75_cccccc_1x100.png
ui-icons_222222_256x240.png
ui-icons_2e83ff_256x240.png
ui-icons_454545_256x240.png
ui-icons_888888_256x240.png
ui-icons_cd0a0a_256x240.png
jquery.ui.accordion.css
jquery.ui.all.css
jquery.ui.autocomplete.css
jquery.ui.base.css
jquery.ui.button.css
jquery.ui.core.css
jquery.ui.datepicker.css
jquery.ui.dialog.css
jquery.ui.progressbar.css
jquery.ui.resizable.css
jquery.ui.selectable.css
jquery.ui.slider.css
jquery.ui.tabs.css
jquery.ui.theme.css
AccountController.cs
HomeController.cs
Global.asax
Global.asax.cs
AccountModels.cs
packages.config
AssemblyInfo.cs
QRHelper.cs
jquery.unobtrusive-ajax.js
jquery.unobtrusive-ajax.min.js
jquery.validate.js
jquery.validate.min.js
jquery.validate.unobtrusive.js
jquery.validate.unobtrusive.min.js
jquery.validate-vsdoc.js
jquery-1.5.1.js
jquery-1.5.1.min.js
jquery-1.5.1-vsdoc.js
jquery-ui-1.8.11.js
jquery-ui-1.8.11.min.js
MicrosoftAjax.debug.js
MicrosoftAjax.js
MicrosoftMvcAjax.debug.js
MicrosoftMvcAjax.js
MicrosoftMvcValidation.debug.js
MicrosoftMvcValidation.js
modernizr-1.7.js
modernizr-1.7.min.js
TwoFactorProfile.cs
TwoFactorWeb.csproj
_ViewStart.cshtml
ChangePassword.cshtml
ChangePasswordSuccess.cshtml
LogOn.cshtml
Register.cshtml
ShowTwoFactorSecret.cshtml
About.cshtml
Index.cshtml
_Layout.cshtml
_LogOnPartial.cshtml
Error.cshtml
Web.config
Web.config
Web.Debug.config
Web.Release.config
 
<?xml version="1.0"?>

<!-- For more information on using web.config transformation visit http://go.microsoft.com/fwlink/?LinkId=125889 -->

<configuration xmlns:xdt="http://schemas.microsoft.com/XML-Document-Transform">
  <!--
    In the example below, the "SetAttributes" transform will change the value of 
    "connectionString" to use "ReleaseSQLServer" only when the "Match" locator 
    finds an atrribute "name" that has a value of "MyDB".
    
    <connectionStrings>
      <add name="MyDB" 
        connectionString="Data Source=ReleaseSQLServer;Initial Catalog=MyReleaseDB;Integrated Security=True" 
        xdt:Transform="SetAttributes" xdt:Locator="Match(name)"/>
    </connectionStrings>
  -->
  <system.web>
    <!--
      In the example below, the "Replace" transform will replace the entire 
      <customErrors> section of your web.config file.
      Note that because there is only one customErrors section under the 
      <system.web> node, there is no need to use the "xdt:Locator" attribute.
      
      <customErrors defaultRedirect="GenericError.htm"
        mode="RemoteOnly" xdt:Transform="Replace">
        <error statusCode="500" redirect="InternalError.htm"/>
      </customErrors>
    -->
  </system.web>
</configuration>

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License

This article, along with any associated source code and files, is licensed under The MIT License

About the Author

 Rick Bassham
Software Developer (Senior)
United States United States
Member
I have been a software developer since 2005, focusing on .Net applications with MS SQL backends.

About Article
How to add extra security to your MVC web application, using two factor authentication.
Type Article
Licence MIT
First Posted 13 Jun 2012
Views 62,273
Downloads 1,473
Bookmarked 110 times
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