OperationResult.java revision 8effa36ca6440604cf10bbc34fba2b60ff304f54 
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.IBinder;
20import android.os.Parcel;
21import android.os.Parcelable;
22
23/**
24 * Class for handling the parceling of return values from keymaster crypto operations
25 * (begin/update/finish).
26 * @hide
27 */
28public class OperationResult implements Parcelable {
29    public final int resultCode;
30    public final IBinder token;
31    public final long operationHandle;
32    public final int inputConsumed;
33    public final byte[] output;
34    public final KeymasterArguments outParams;
35
36    public static final Parcelable.Creator<OperationResult> CREATOR = new
37            Parcelable.Creator<OperationResult>() {
38                @Override
39                public OperationResult createFromParcel(Parcel in) {
40                    return new OperationResult(in);
41                }
42
43                @Override
44                public OperationResult[] newArray(int length) {
45                    return new OperationResult[length];
46                }
47            };
48
49    public OperationResult(
50            int resultCode, IBinder token, long operationHandle, int inputConsumed, byte[] output,
51            KeymasterArguments outParams) {
52        this.resultCode = resultCode;
53        this.token = token;
54        this.operationHandle = operationHandle;
55        this.inputConsumed = inputConsumed;
56        this.output = output;
57        this.outParams = outParams;
58    }
59
60    protected OperationResult(Parcel in) {
61        resultCode = in.readInt();
62        token = in.readStrongBinder();
63        operationHandle = in.readLong();
64        inputConsumed = in.readInt();
65        output = in.createByteArray();
66        outParams = KeymasterArguments.CREATOR.createFromParcel(in);
67    }
68
69    @Override
70    public int describeContents() {
71        return 0;
72    }
73
74    @Override
75    public void writeToParcel(Parcel out, int flags) {
76        out.writeInt(resultCode);
77        out.writeStrongBinder(token);
78        out.writeLong(operationHandle);
79        out.writeInt(inputConsumed);
80        out.writeByteArray(output);
81        outParams.writeToParcel(out, flags);
82    }
83}
84