1 /*
2  * Copyright (C) 2015 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 android.security.keymaster;
18 
19 import android.compat.annotation.UnsupportedAppUsage;
20 import android.os.Build;
21 import android.os.Parcel;
22 
23 /**
24  * @hide
25  */
26 class KeymasterBlobArgument extends KeymasterArgument {
27     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
28     public final byte[] blob;
29 
30     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
KeymasterBlobArgument(int tag, byte[] blob)31     public KeymasterBlobArgument(int tag, byte[] blob) {
32         super(tag);
33         switch (KeymasterDefs.getTagType(tag)) {
34             case KeymasterDefs.KM_BIGNUM:
35             case KeymasterDefs.KM_BYTES:
36                 break; // OK.
37             default:
38                 throw new IllegalArgumentException("Bad blob tag " + tag);
39         }
40         this.blob = blob;
41     }
42 
43     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
KeymasterBlobArgument(int tag, Parcel in)44     public KeymasterBlobArgument(int tag, Parcel in) {
45         super(tag);
46         blob = in.createByteArray();
47     }
48 
49     @Override
writeValue(Parcel out)50     public void writeValue(Parcel out) {
51         out.writeByteArray(blob);
52     }
53 }
54