flutter_local_authentication 1.0.0

A flutter plugin that allows access to Local Authentication / Biometrics on iOS, macOS, Linux and Android.

Local Authentication

A flutter plugin that allows access to Local Authentication / Biometrics on iOS, macOS, Linux and Android (Windows Hello is a work in progress).

Features

• Detects if biometric authentication can be done in the current platform (canAuthenticate).

• Triggers platform's native authentication for the current user (authenticate).

• Read/Write macOS/iOS touchIDAuthenticationAllowableReuseDuration value

Considerations

canAuthenticate

The function canAuthenticate will return true in the following scenarios.

• Android: true if BiometricManager returns that it can authenticate with one of the following allowed authenticators:

  • BiometricManager.Authenticators.BIOMETRIC_STRONG
  • BiometricManager.Authenticators.BIOMETRIC_WEAK
  • BiometricManager.Authenticators.DEVICE_CREDENTIAL

• iOS: true if LAContext.supportsLocalAuthentication returns true for device policy:

  • deviceOwnerAuthenticationWithBiometrics

• macOS: true if LAContext.supportsLocalAuthentication returns true for device policy:

  • deviceOwnerAuthentication

• linux: true if fprintd-verify is installed and user can execute it.

Supported platforms

• iOS 12 or newer
• macOS 10.12.2 or newer
• Linux (requires libfprint)
• Android 6.0 or newer
• Windows (work in progress)

TODO

• localise messages