private static void Main(string[] args)
{
//try
//{
var schemas = WBF.GetBiometricUnits(BiometricType.Fingerprint);
var session = WBF.OpenSession(BiometricType.Fingerprint, BiometricPoolType.System, BiometricSessionFlags.Default,
null, BiometricDatabaseType.None);
var identity = WBF.GetCurrentIdentity();
while (!Console.KeyAvailable)
{
var match = WBF.Verify(session, identity, BiometricSubtype.Any,
out uint schema, out BiometricRejectDetail rejectDetail, out BiometricError error);
if (error == BiometricError.None)
{
Console.WriteLine("Match: {0}", match);
}
else
{
Console.WriteLine("Biometric Error: {0}", error);
Console.WriteLine("Reject detail: {0}", rejectDetail);
}
}
WBF.CloseSession(session);
//}
//catch (Exception ex)
//{
// Console.WriteLine("Error: {0}", ex.Message);
//}
Console.ReadLine();
}
private async Task ValidateFingerprint()
{
BiometricsEnabled =
BiometricsEnabled &&
WBF.GetBiometricUnits(BiometricType.Fingerprint).Length > 0;
if (!BiometricsEnabled)
{
return;
}
await Task.Run(() =>
{
var session =
WBF.OpenSession(BiometricType.Fingerprint, BiometricSessionFlags.Default,
null, BiometricDatabaseType.None);
var match = false;
try
{
while (!WBF.Verify(session, WBF.GetCurrentIdentity(), BiometricSubtype.Any,
out uint unitId, out BiometricRejectDetail rejectDetail, out BiometricError error))
{
PasswordVerificationStatus = PasswordVerificationStatus.Rejected;
UI(() => BiometricRejected?.Invoke(this, null));
switch (error)
{
case BiometricError.None:
PasswordErrorMessage = "There was no error?";
break;
case BiometricError.BadCapture:
switch (rejectDetail)
{
case BiometricRejectDetail.TooHigh:
PasswordErrorMessage = "Your finger was too high.";
break;
case BiometricRejectDetail.TooLow:
PasswordErrorMessage = "Your finger was too low.";
break;
case BiometricRejectDetail.TooLeft:
PasswordErrorMessage = "Your finger was too far to the left.";
break;
case BiometricRejectDetail.TooRight:
PasswordErrorMessage = "Your finger was too far to the right.";
break;
case BiometricRejectDetail.TooFast:
PasswordErrorMessage = "You moved your finger too quickly.";
break;
case BiometricRejectDetail.TooSlow:
PasswordErrorMessage = "You moved your finger too slowly.";
break;
case BiometricRejectDetail.PoorQuality:
PasswordErrorMessage = "Your fingerprint could not be read properly.";
break;
case BiometricRejectDetail.TooSkewed:
PasswordErrorMessage = "The fingerprint capture was too skewed.";
break;
case BiometricRejectDetail.TooShort:
PasswordErrorMessage = "Your finger was too short.";
break;
case BiometricRejectDetail.MergeFailure:
PasswordErrorMessage = "Try again.";
break;
default:
break;
}
break;
case BiometricError.EnrollmentInProgress:
PasswordErrorMessage = "The sensor is currently enrolling a new fingerprint.";
break;
case BiometricError.NoMatch:
PasswordErrorMessage = "The fingerprint did not match.";
break;
default:
break;
}
}
match = true;
}
catch
{
}
if (match)
{
PasswordVerificationStatus = PasswordVerificationStatus.Verified;
UI(() => BiometricVerified?.Invoke(this, null));
}
WBF.CloseSession(session);
});
}
public EnrollViewModel()
{
BiometricSubtypeNames =
new Dictionary <BiometricSubtype, string>
{
{ BiometricSubtype.LeftIndexFinger, "Left Index Finger" },
{ BiometricSubtype.LeftMiddleFinger, "Left Middle Finger" },
{ BiometricSubtype.LeftRingFinger, "Left Ring Finger" },
{ BiometricSubtype.LeftLittleFinger, "Left Little Finger" },
{ BiometricSubtype.LeftThumb, "Left Thumb" },
{ BiometricSubtype.RightIndexFinger, "Right Index Finger" },
{ BiometricSubtype.RightMiddleFinger, "Right Middle Finger" },
{ BiometricSubtype.RightRingFinger, "Right Ring Finger" },
{ BiometricSubtype.RightLittleFinger, "Right Little Finger" },
{ BiometricSubtype.RightThumb, "Right Thumb" }
};
PropertyChanged += async(s, e) =>
{
if (e.PropertyName == "Finger" && Finger != BiometricSubtype.Any)
{
await Task.Run(() =>
{
try
{
WBF.Enroll(WBF.GetCurrentIdentity(), Sensor, Finger, ep =>
{
switch (ep)
{
case EnrollPrompt.UseSensor:
Message = "Please touch or swipe the sensor again.";
break;
case EnrollPrompt.NeedMoreData:
Message = "Please touch or swipe the sensor again, I need more data.";
UI(() => FingerprintAccepted?.Invoke(this, null));
break;
case EnrollPrompt.BadCapture:
Message = "Please touch or swipe the sensor again, I didn't catch that.";
UI(() => FingerprintRejected?.Invoke(this, null));
break;
case EnrollPrompt.Success:
Message = "Done!";
UI(() => FingerprintCompleted?.Invoke(this, null));
break;
}
});
}
catch (Exception ex)
{
Message = ex.Message;
}
});
}
};
Task.Run(() =>
{
Message = "Swipe or touch the sensor that you wish to use.";
Sensor = WBF.LocateSensor();
Finger = BiometricSubtype.Any;
var fingers = WBF.GetEnrollments(WBF.GetCurrentIdentity(), Sensor);
BiometricSubtypeNames =
(from kv in BiometricSubtypeNames
where !fingers.Contains(kv.Key)
select kv).ToDictionary(kv => kv.Key, kv => kv.Value);
RaisePropertyChanged(nameof(BiometricSubtypeNames));
});
}