1 /*
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.rkpdapp;
18 
19 import com.android.rkpdapp.RemotelyProvisionedKey;
20 
21 /**
22  * This is the interface providing access to remotely-provisioned attestation
23  * keys for an {@link IRemotelyProvisionedComponent}.
24  *
25  * @hide
26  */
27 interface IRemotelyProvisionedKeyPool {
28 
29     /**
30      * Fetches an attestation key for the given uid and
31      * {@link IRemotelyProvisionedComponent}, as identified by the given id.
32      *
33      * Errors:
34      * {@link ResponseCode::PERMISSION_DENIED} if the caller does not have the
35      * {@link rkpdapp::get_attestation_key} permission
36      *
37      * @param clientUid The client application for which an attestation key is
38      * needed.
39      *
40      * @param irpcId The unique identifier for the IRemotelyProvisionedComponent
41      * for which a key is requested. This id may be retrieved from a given
42      * component via the {@link IRemotelyProvisionedComponent#getHardwareInfo()}
43      * function.
44      *
45      * @return A {@link RemotelyProvisionedKey} parcelable containing a key and
46      * certification chain for the given IRemotelyProvisionedComponent.
47      */
getAttestationKey(in int clientUid, in @utf8InCpp String irpcId)48     RemotelyProvisionedKey getAttestationKey(in int clientUid, in @utf8InCpp String irpcId);
49 }
50