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/*
* Copyright (C) 2009 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.security;
import android.compat.annotation.UnsupportedAppUsage;
import android.os.StrictMode;
/**
* This class provides some constants and helper methods related to Android's Keystore service.
* This class was originally much larger, but its functionality was superseded by other classes.
* It now just contains a few remaining pieces for which the users haven't been updated yet.
* You may be looking for {@link java.security.KeyStore} instead.
*
* @hide
*/
public class KeyStore {
// Used for UID field to indicate the calling UID.
public static final int UID_SELF = -1;
private static final KeyStore KEY_STORE = new KeyStore();
@UnsupportedAppUsage
public static KeyStore getInstance() {
return KEY_STORE;
}
/**
* Add an authentication record to the keystore authorization table.
*
* @param authToken The packed bytes of a hw_auth_token_t to be provided to keymaster.
* @return 0 on success, otherwise an error value corresponding to a
* {@code KeymasterDefs.KM_ERROR_} value or {@code KeyStore} ResponseCode.
*/
public int addAuthToken(byte[] authToken) {
StrictMode.noteDiskWrite();
return Authorization.addAuthToken(authToken);
}
}
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