stats/enums/hardware/biometrics/enums.proto

/*
 * 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.
 */

syntax = "proto2";

package android.hardware.biometrics;

option java_outer_classname = "BiometricsProtoEnums";
option java_multiple_files = true;

// Logging constants for <Biometric>Service and BiometricService

enum ModalityEnum {
    MODALITY_UNKNOWN = 0;
    MODALITY_FINGERPRINT = 1;   // 1 << 0
    MODALITY_IRIS = 2;          // 1 << 1
    MODALITY_FACE = 4;          // 1 << 2
}

enum ClientEnum {
    CLIENT_UNKNOWN = 0;
    CLIENT_KEYGUARD = 1;
    CLIENT_BIOMETRIC_PROMPT = 2;
    CLIENT_FINGERPRINT_MANAGER = 3; // Deprecated API before BiometricPrompt was introduced
}

enum ActionEnum {
    ACTION_UNKNOWN = 0;
    ACTION_ENROLL = 1;
    ACTION_AUTHENTICATE = 2;
    ACTION_ENUMERATE = 3;
    ACTION_REMOVE = 4;
}

enum IssueEnum {
    ISSUE_UNKNOWN = 0;
    // When a biometric HAL has crashed.
    ISSUE_HAL_DEATH = 1;
    // When Android Framework has a template that doesn't exist in the HAL. The framework
    // is expected to remove its template to stay in sync with the HAL.
    ISSUE_UNKNOWN_TEMPLATE_ENROLLED_FRAMEWORK = 2;
    // When the HAL has a template that doesn't exist in Android Framework. The framework
    // is expected to notify the HAL to remove this template to stay in sync with the framework.
    ISSUE_UNKNOWN_TEMPLATE_ENROLLED_HAL = 3;
    // When the HAL has not sent ERROR_CANCELED within the specified timeout.
    ISSUE_CANCEL_TIMED_OUT = 4;
}

enum SessionTypeEnum {
    SESSION_TYPE_UNKNOWN = 0;
    SESSION_TYPE_KEYGUARD_ENTRY = 1;
    SESSION_TYPE_BIOMETRIC_PROMPT = 2;
}

enum TouchTypeEnum {
    // No finger entered or left the sensor area.
    TOUCH_TYPE_UNCHANGED = 0;
    // A finger entered the sensor area.
    TOUCH_TYPE_DOWN = 1;
    // A finger left the sensor area.
    TOUCH_TYPE_UP = 2;
    // The touch reporting has stopped. If there was a finger on the sensor, it may or may not
    // still be on the sensor.
    TOUCH_TYPE_CANCEL = 3;
}

enum OrientationEnum {
    ORIENTATION_UNKNOWN = 0;
    ORIENTATION_0 = 1;
    ORIENTATION_90 = 2;
    ORIENTATION_180 = 3;
    ORIENTATION_270 = 4;
}

enum FoldStateEnum {
    FOLD_UNKNOWN = 0;
    FOLD_OPEN = 1;
    FOLD_CLOSED = 2;
    FOLD_HALF_OPEN = 3;
}

enum WakeReasonEnum {
    WAKE_REASON_UNKNOWN = 0;
}

enum StrengthEnum {
    STRENGTH_UNKNOWN = 0;
    // A sensor that meets the requirements for Class 1 biometrics as defined in
    // the CDD. This does not correspond to a public
    // BiometricManager.Authenticators constant. Sensors of this strength are
    // not available to applications via the public API surface.
    STRENGTH_CONVENIENCE = 1;
    // A sensor that meets the requirements for Class 2 biometrics as defined in
    // the CDD. Corresponds to BiometricManager.Authenticators.BIOMETRIC_WEAK.
    STRENGTH_WEAK = 2;
    // A sensor that meets the requirements for Class 3 biometrics as defined in
    // the CDD. Corresponds to BiometricManager.Authenticators.BIOMETRIC_STRONG.
    // Notably, this is the only strength that allows generation of
    // HardwareAuthToken(s).
    STRENGTH_STRONG = 3;
}

enum SensorTypeEnum {
    SENSOR_UNKNOWN = 0;
    SENSOR_FP_REAR = 1;
    SENSOR_FP_UDFPS_ULTRASONIC = 2;
    SENSOR_FP_UDFPS_OPTICAL = 3;
    SENSOR_FP_POWER_BUTTON = 4;
    SENSOR_FP_HOME_BUTTON = 5;
    SENSOR_FACE_RGB = 6;
    SENSOR_FACE_IR = 7;
}