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.IBinder; 21 import android.os.Parcel; 22 import android.os.Parcelable; 23 24 /** 25 * Class for handling the parceling of return values from keymaster crypto operations 26 * (begin/update/finish). 27 * @hide 28 */ 29 public class OperationResult implements Parcelable { 30 public final int resultCode; 31 public final IBinder token; 32 public final long operationHandle; 33 public final int inputConsumed; 34 public final byte[] output; 35 public final KeymasterArguments outParams; 36 37 @UnsupportedAppUsage 38 public static final @android.annotation.NonNull Parcelable.Creator<OperationResult> CREATOR = new 39 Parcelable.Creator<OperationResult>() { 40 @Override 41 public OperationResult createFromParcel(Parcel in) { 42 return new OperationResult(in); 43 } 44 45 @Override 46 public OperationResult[] newArray(int length) { 47 return new OperationResult[length]; 48 } 49 }; 50 OperationResult( int resultCode, IBinder token, long operationHandle, int inputConsumed, byte[] output, KeymasterArguments outParams)51 public OperationResult( 52 int resultCode, IBinder token, long operationHandle, int inputConsumed, byte[] output, 53 KeymasterArguments outParams) { 54 this.resultCode = resultCode; 55 this.token = token; 56 this.operationHandle = operationHandle; 57 this.inputConsumed = inputConsumed; 58 this.output = output; 59 this.outParams = outParams; 60 } 61 OperationResult(int resultCode)62 public OperationResult(int resultCode) { 63 this(resultCode, null, 0, 0, null, null); 64 } 65 OperationResult(Parcel in)66 protected OperationResult(Parcel in) { 67 resultCode = in.readInt(); 68 token = in.readStrongBinder(); 69 operationHandle = in.readLong(); 70 inputConsumed = in.readInt(); 71 output = in.createByteArray(); 72 outParams = KeymasterArguments.CREATOR.createFromParcel(in); 73 } 74 75 @Override describeContents()76 public int describeContents() { 77 return 0; 78 } 79 80 @Override writeToParcel(Parcel out, int flags)81 public void writeToParcel(Parcel out, int flags) { 82 out.writeInt(resultCode); 83 out.writeStrongBinder(token); 84 out.writeLong(operationHandle); 85 out.writeInt(inputConsumed); 86 out.writeByteArray(output); 87 outParams.writeToParcel(out, flags); 88 } 89 } 90