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/*
* Copyright (C) 2020 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.apc;
import android.security.apc.ResponseCode;
/**
* This callback interface must be implemented by the client to receive the result of the user
* confirmation.
* @hide
*/
interface IConfirmationCallback {
/**
* This callback gets called by the implementing service when a pending confirmation prompt
* gets finalized.
* @deprecated Android Protected Confirmation had a low adoption rate among Android device
* makers and developers alike. Given the lack of devices supporting the feature,
* it is deprecated. Developers can use auth-bound Keystore keys as a partial
* replacement.
*
* @param result
* - ResponseCode.OK On success. In this case dataConfirmed must be non null.
* - ResponseCode.CANCELLED If the user cancelled the prompt. In this case dataConfirmed must
* be null.
* - ResponseCode.ABORTED If the client called IProtectedConfirmation.cancelPrompt() or if the
* prompt was cancelled by the system due to an asynchronous event. In this case
* dataConfirmed must be null.
*
* @param dataConfirmed This is the message that was confirmed and for which a confirmation
* token is now available in implementing service. A subsequent attempt to sign this
* message with a confirmation bound key will succeed. The message is a CBOR map
* including the prompt text and the extra data.
*/
oneway void onCompleted(in ResponseCode result, in @nullable byte[] dataConfirmed);
}
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