| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.backup.encryption.chunk; |
| |
| import java.util.Arrays; |
| |
| /** |
| * Holds the bytes of an encrypted {@link ChunksMetadataProto.ChunkOrdering}. |
| * |
| * <p>TODO(b/116575321): After all code is ported, remove the factory method and rename |
| * encryptedChunkOrdering() to getBytes(). |
| */ |
| public class EncryptedChunkOrdering { |
| /** |
| * Constructs a new object holding the given bytes of an encrypted {@link |
| * ChunksMetadataProto.ChunkOrdering}. |
| * |
| * <p>Note that this just holds an ordering which is already encrypted, it does not encrypt the |
| * ordering. |
| */ |
| public static EncryptedChunkOrdering create(byte[] encryptedChunkOrdering) { |
| return new EncryptedChunkOrdering(encryptedChunkOrdering); |
| } |
| |
| private final byte[] mEncryptedChunkOrdering; |
| |
| /** Get the encrypted chunk ordering */ |
| public byte[] encryptedChunkOrdering() { |
| return mEncryptedChunkOrdering; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (!(o instanceof EncryptedChunkOrdering)) { |
| return false; |
| } |
| |
| EncryptedChunkOrdering encryptedChunkOrdering = (EncryptedChunkOrdering) o; |
| return Arrays.equals( |
| mEncryptedChunkOrdering, encryptedChunkOrdering.mEncryptedChunkOrdering); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(mEncryptedChunkOrdering); |
| } |
| |
| private EncryptedChunkOrdering(byte[] encryptedChunkOrdering) { |
| mEncryptedChunkOrdering = encryptedChunkOrdering; |
| } |
| } |