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https://github.com/oscoreio/maui.biometric

Provides a cross-platform implementation of biometric authentication. Continuation of the abandoned Plugin.Fingerprint in the MAUI ecosystem.
https://github.com/oscoreio/maui.biometric

android authentication biometric cross-platform csharp dotnet face-recognition faceid fingerprint ios iris maccatalyst macos maui oscore windows winui xamarin

Last synced: about 2 hours ago
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Provides a cross-platform implementation of biometric authentication. Continuation of the abandoned Plugin.Fingerprint in the MAUI ecosystem.

Host: GitHub
URL: https://github.com/oscoreio/maui.biometric
Owner: oscoreio
License: mit
Created: 2024-01-23T12:31:39.000Z (8 months ago)
Default Branch: main
Last Pushed: 2024-02-23T08:29:09.000Z (7 months ago)
Last Synced: 2024-09-23T01:33:51.481Z (1 day ago)
Topics: android, authentication, biometric, cross-platform, csharp, dotnet, face-recognition, faceid, fingerprint, ios, iris, maccatalyst, macos, maui, oscore, windows, winui, xamarin
Language: C#
Homepage:
Size: 374 KB
Stars: 28
Watchers: 4
Forks: 6
Open Issues: 1
Metadata Files:
- Readme: README.md
- License: LICENSE

Awesome Lists containing this project

README

        # Maui.Biometric

[![Nuget package](https://img.shields.io/nuget/vpre/Oscore.Maui.Biometric)](https://www.nuget.org/packages/Oscore.Maui.Biometric/)

[![CI/CD](https://github.com/oscoreio/Maui.Biometric/actions/workflows/dotnet.yml/badge.svg?branch=main)](https://github.com/oscoreio/Maui.Biometric/actions/workflows/dotnet.yml)

[![License: MIT](https://img.shields.io/github/license/oscoreio/Maui.Biometric)](https://github.com/oscoreio/Maui.Biometric/blob/main/LICENSE)

Provides a cross-platform implementation of biometric authentication.  

Supports iOS, macOS, Android and Windows.  

Continuation of the abandoned Plugin.Fingerprint in the MAUI ecosystem.  

## Usage

- Add NuGet package to your project:

```xml

```

- iOS - Add `NSFaceIDUsageDescription` to your Info.plist to describe the reason your app uses Face ID. 

(see [Documentation](https://developer.apple.com/library/content/documentation/General/Reference/InfoPlistKeyReference/Articles/CocoaKeys.html#//apple_ref/doc/uid/TP40009251-SW75)). 

Otherwise the App will crash when you start a Face ID authentication on iOS 11.3+.

```xml

NSFaceIDUsageDescription

Need your face to unlock secrets!

```

- Android - Request the permission in `AndroidManifest.xml`

```xml

```

- Add the following to your `MauiProgram.cs` `CreateMauiApp` method:

```diff

builder

    .UseMauiApp()

+   .UseBiometricAuthentication()

    .ConfigureFonts(fonts =>

    {

        fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");

        fonts.AddFont("OpenSans-Sed:nammibold.ttf", "OpenSansSemibold");

    });

```

- Use through `BiometricAuthentication.Current` or using `IBiometricAuthentication` from DI:

```csharp

var result = await BiometricAuthentication.Current.AuthenticateAsync(

    new AuthenticationRequest(

        title: "Prove you have fingers!",

        reason: "Because without it you can't have access"));

if (result.Authenticated)

{

    // do secret stuff :)

}

else

{

    // not allowed to do secret stuff :(

}

```

## Testing on Simulators

### iOS

![Controlling the sensor on the iOS Simulator](assets/ios_simulator.png "Controlling the sensor on the iOS Simulator")

With the Hardware menu you can

- Toggle the enrollment status

- Trigger valid (⌘ ⌥ M) and invalid (⌘ ⌥ N) fingerprint sensor events

### Android

- start the emulator (Android >= 6.0)

- open the settings app

- go to Security > Fingerprint, then follow the enrollment instructions

- when it asks for touch

- open command prompt

- `telnet 127.0.0.1 ` (`adb devices` prints "emulator-<emulator-id>")

- `finger touch 1`

- `finger touch 1`

Sending fingerprint sensor events for testing the plugin can be done with the telnet commands, too.

**Note for Windows users:**

You have to enable telnet: Programs and Features > Add Windows Feature > Telnet Client

## Links

- https://github.com/smstuebe/xamarin-fingerprint

- https://stackoverflow.com/questions/633132/is-ms-pl-microsoft-public-license-code-allowed-in-commercial-product

## Legal information and credits

It was forked from the [xamarin-fingerprint](https://github.com/smstuebe/xamarin-fingerprint) project.  

xamarin-fingerprint is a project by [Sven-Michael Stübe](https://github.com/smstuebe).  

It was licensed under the [MS-PL license](https://github.com/smstuebe/xamarin-fingerprint/blob/master/LICENSE).  

This fork changes the license to MIT with attribution to the original license.