private async Task <bool> ListenU2F(Dictionary <string, object> data)
{
var appId = Uri.Parse((string)data["appId"]);
var challenge = Encoding.ASCII.GetBytes((string)data["challenge"]);
var keys = ((JArray)data["keys"]).ToObject <List <Dictionary <string, string> > >();
var registeredKeys = new List <RegisteredKey>();
foreach (var key in keys)
{
var keyHandle = new KeyHandle(
Encoding.ASCII.GetBytes(key["keyHandle"]),
key["version"] == "U2F_V2" ? ProtocolVersion.V2 : ProtocolVersion.V1,
new List <Transport>()
{
Transport.Nfc, Transport.Usb, Transport.BluetoothClassic, Transport.BluetoothLowEnergy
}
);
registeredKeys.Add(new RegisteredKey(keyHandle));
}
var u2FClient = Fido.GetU2fApiClient(ApplicationContext);
var builder = new SignRequestParams.Builder();
builder.SetAppId(appId);
builder.SetDefaultSignChallenge(challenge);
builder.SetRegisteredKeys(registeredKeys);
var signRequest = builder.Build();
var u2FPendingIntent = await u2FClient.GetSignIntentAsync(signRequest);
if (u2FPendingIntent.HasPendingIntent)
{
u2FPendingIntent.LaunchPendingIntent(this, REQUEST_CODE_SIGN);
}
return(true);
}
/// <summary>
/// To iniciate the FIDO2 Service with the activity given
/// </summary>
public void start(AppCompatActivity application)
{
this.application = application;
this.fido2ApiClient = Fido.GetFido2ApiClient(this.application); // Start FIDO2 Client from the Android
}
