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/*
* Copyright (C) 2018 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.IBiometricEnabledOnKeyguardCallback;
import android.hardware.biometrics.IBiometricServiceReceiver;
import android.hardware.biometrics.IBiometricAuthenticator;
import android.hardware.biometrics.IInvalidationCallback;
import android.hardware.biometrics.ITestSession;
import android.hardware.biometrics.ITestSessionCallback;
import android.hardware.biometrics.PromptInfo;
import android.hardware.biometrics.SensorPropertiesInternal;
/**
* Communication channel from AuthService to BiometricService.
* @hide
*/
interface IBiometricService {
// Creates a test session with the specified sensorId
ITestSession createTestSession(int sensorId, ITestSessionCallback callback, String opPackageName);
// Retrieve static sensor properties for all biometric sensors
List<SensorPropertiesInternal> getSensorProperties(String opPackageName);
// Requests authentication. The service chooses the appropriate biometric to use, and shows
// the corresponding BiometricDialog. A requestId is returned that can be used to cancel
// this operation.
long authenticate(IBinder token, long operationId, int userId,
IBiometricServiceReceiver receiver, String opPackageName, in PromptInfo promptInfo);
// Cancel authentication for the given requestId.
void cancelAuthentication(IBinder token, String opPackageName, long requestId);
// Checks if biometrics can be used.
int canAuthenticate(String opPackageName, int userId, int callingUserId, int authenticators);
// Checks if any biometrics are enrolled.
boolean hasEnrolledBiometrics(int userId, String opPackageName);
// Registers an authenticator (e.g. face, fingerprint, iris).
// Id must be unique, whereas strength and modality don't need to be.
// TODO(b/123321528): Turn strength and modality into enums.
void registerAuthenticator(int id, int modality, int strength,
IBiometricAuthenticator authenticator);
// Register callback for when keyguard biometric eligibility changes.
void registerEnabledOnKeyguardCallback(IBiometricEnabledOnKeyguardCallback callback,
int callingUserId);
// Notify BiometricService when <Biometric>Service is ready to start the prepared client.
// Client lifecycle is still managed in <Biometric>Service.
void onReadyForAuthentication(long requestId, int cookie);
// Requests all BIOMETRIC_STRONG sensors to have their authenticatorId invalidated for the
// specified user. This happens when enrollments have been added on devices with multiple
// biometric sensors.
void invalidateAuthenticatorIds(int userId, int fromSensorId, IInvalidationCallback callback);
// Get a list of AuthenticatorIDs for authenticators which have enrolled templates and meet
// the requirements for integrating with Keystore. The AuthenticatorID are known in Keystore
// land as SIDs, and are used during key generation.
long[] getAuthenticatorIds(int callingUserId);
// See documentation in BiometricManager.
void resetLockoutTimeBound(IBinder token, String opPackageName, int fromSensorId, int userId,
in byte[] hardwareAuthToken);
int getCurrentStrength(int sensorId);
// Returns a bit field of the modality (or modalities) that are will be used for authentication.
int getCurrentModality(String opPackageName, int userId, int callingUserId, int authenticators);
// Returns a bit field of the authentication modalities that are supported by this device.
int getSupportedModalities(int authenticators);
}
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