5364fce817
This CL introduces the Keystore SPI class for IKeystoreAuthorization aidl interface and implements the calling code for addAuthToken method. Bug: 166672367 Bug: 177830239 Bug: 177791435 Bug: 177787061 Bug: 177787180 Test: VTS test Change-Id: I9f0adc97efadd0fa1a1f16dd5ec811f4151a2b03
79 lines
2.7 KiB
Java
79 lines
2.7 KiB
Java
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.security;
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import android.annotation.NonNull;
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import android.hardware.security.keymint.HardwareAuthToken;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.os.ServiceSpecificException;
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import android.security.authorization.IKeystoreAuthorization;
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import android.system.keystore2.ResponseCode;
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import android.util.Log;
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/**
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* @hide This is the client side for IKeystoreAuthorization AIDL.
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* It shall only be used by biometric authentication providers and Gatekeeper.
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*/
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public class Authorization {
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private static final String TAG = "KeystoreAuthorization";
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private static IKeystoreAuthorization sIKeystoreAuthorization;
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public static final int SYSTEM_ERROR = ResponseCode.SYSTEM_ERROR;
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public Authorization() {
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sIKeystoreAuthorization = null;
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}
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private static synchronized IKeystoreAuthorization getService() {
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if (sIKeystoreAuthorization == null) {
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sIKeystoreAuthorization = IKeystoreAuthorization.Stub.asInterface(
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ServiceManager.checkService("android.security.authorization"));
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}
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return sIKeystoreAuthorization;
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}
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/**
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* Adds an auth token to keystore2.
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*
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* @param authToken created by Android authenticators.
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* @return 0 if successful or {@code ResponseCode.SYSTEM_ERROR}.
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*/
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public int addAuthToken(@NonNull HardwareAuthToken authToken) {
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if (!android.security.keystore2.AndroidKeyStoreProvider.isInstalled()) return 0;
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try {
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getService().addAuthToken(authToken);
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return 0;
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} catch (RemoteException e) {
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Log.w(TAG, "Can not connect to keystore", e);
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return SYSTEM_ERROR;
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} catch (ServiceSpecificException e) {
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return e.errorCode;
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}
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}
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/**
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* Add an auth token to Keystore 2.0 in the legacy serialized auth token format.
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* @param authToken
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* @return 0 if successful or a {@code ResponseCode}.
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*/
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public int addAuthToken(@NonNull byte[] authToken) {
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return addAuthToken(AuthTokenUtils.toHardwareAuthToken(authToken));
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}
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}
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