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.Parcel;
21 
22 /**
23  * @hide
24  */
25 class KeymasterBlobArgument extends KeymasterArgument {
26     @UnsupportedAppUsage
27     public final byte[] blob;
28 
29     @UnsupportedAppUsage
KeymasterBlobArgument(int tag, byte[] blob)30     public KeymasterBlobArgument(int tag, byte[] blob) {
31         super(tag);
32         switch (KeymasterDefs.getTagType(tag)) {
33             case KeymasterDefs.KM_BIGNUM:
34             case KeymasterDefs.KM_BYTES:
35                 break; // OK.
36             default:
37                 throw new IllegalArgumentException("Bad blob tag " + tag);
38         }
39         this.blob = blob;
40     }
41 
42     @UnsupportedAppUsage
KeymasterBlobArgument(int tag, Parcel in)43     public KeymasterBlobArgument(int tag, Parcel in) {
44         super(tag);
45         blob = in.createByteArray();
46     }
47 
48     @Override
writeValue(Parcel out)49     public void writeValue(Parcel out) {
50         out.writeByteArray(blob);
51     }
52 }
53