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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.biometrics;
import android.hardware.biometrics.IBiometricSensorReceiver;
import android.hardware.biometrics.IBiometricServiceLockoutResetCallback;
import android.hardware.biometrics.IInvalidationCallback;
import android.hardware.biometrics.ITestSession;
import android.hardware.biometrics.ITestSessionCallback;
import android.hardware.biometrics.SensorPropertiesInternal;
import android.hardware.face.IFaceServiceReceiver;
import android.hardware.face.Face;
/**
* This interface encapsulates fingerprint, face, iris, etc. authenticators.
* Implementations of this interface are meant to be registered with BiometricService.
* @hide
*/
interface IBiometricAuthenticator {
// Creates a test session
ITestSession createTestSession(ITestSessionCallback callback, String opPackageName);
// Retrieve static sensor properties
SensorPropertiesInternal getSensorProperties(String opPackageName);
// Requests a proto dump of the sensor. See biometrics.proto
byte[] dumpSensorServiceStateProto(boolean clearSchedulerBuffer);
// This method prepares the service to start authenticating, but doesn't start authentication.
// This is protected by the MANAGE_BIOMETRIC signature permission. This method should only be
// called from BiometricService. The additional uid, pid, userId arguments should be determined
// by BiometricService. To start authentication after the clients are ready, use
// startPreparedClient().
void prepareForAuthentication(boolean requireConfirmation, IBinder token, long operationId,
int userId, IBiometricSensorReceiver sensorReceiver, String opPackageName,
long requestId, int cookie, boolean allowBackgroundAuthentication);
// Starts authentication with the previously prepared client.
void startPreparedClient(int cookie);
// Cancels authentication for the given requestId.
void cancelAuthenticationFromService(IBinder token, String opPackageName, long requestId);
// Determine if HAL is loaded and ready
boolean isHardwareDetected(String opPackageName);
// Determine if a user has at least one enrolled face
boolean hasEnrolledTemplates(int userId, String opPackageName);
// Return the LockoutTracker status for the specified user
int getLockoutModeForUser(int userId);
// Request the authenticatorId to be invalidated for the specified user
void invalidateAuthenticatorId(int userId, IInvalidationCallback callback);
// Gets the authenticator ID representing the current set of enrolled templates
long getAuthenticatorId(int callingUserId);
// Requests the sensor to reset its lockout state
void resetLockout(IBinder token, String opPackageName, int userId,
in byte[] hardwareAuthToken);
}
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