KeymasterBlobArgument.java revision 534bf9c2683e4e4a37d4348cb7d0945b2116fd53 
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
17package android.security.keymaster;
18
19import android.os.Parcel;
20import android.os.Parcelable;
21
22/**
23 * @hide
24 */
25class KeymasterBlobArgument extends KeymasterArgument {
26    public final byte[] blob;
27
28    public KeymasterBlobArgument(int tag, byte[] blob) {
29        super(tag);
30        switch (KeymasterDefs.getTagType(tag)) {
31            case KeymasterDefs.KM_BIGNUM:
32            case KeymasterDefs.KM_BYTES:
33                break; // OK.
34            default:
35                throw new IllegalArgumentException("Bad blob tag " + tag);
36        }
37        this.blob = blob;
38    }
39
40    public KeymasterBlobArgument(int tag, Parcel in) {
41        super(tag);
42        blob = in.createByteArray();
43    }
44
45    @Override
46    public void writeValue(Parcel out) {
47        out.writeByteArray(blob);
48    }
49}
50