1 /*
2  * Copyright (C) 2023 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 com.android.adservices.ohttp;
18 
19 import androidx.annotation.Nullable;
20 
21 import com.google.auto.value.AutoValue;
22 
23 import java.util.Arrays;
24 import java.util.Objects;
25 
26 /** Holds the private key of the Ohttp Gateway/Server */
27 @AutoValue
28 public abstract class OhttpGatewayPrivateKey {
29 
30     /** Get the bytes held by this object */
31     @Nullable
32     @SuppressWarnings("mutable")
getBytes()33     abstract byte[] getBytes();
34 
35     /** Create a {@link OhttpGatewayPrivateKey} object with the given bytes */
create(byte[] bytes)36     public static OhttpGatewayPrivateKey create(byte[] bytes) {
37         return Objects.isNull(bytes)
38                 ? new AutoValue_OhttpGatewayPrivateKey(null)
39                 : new AutoValue_OhttpGatewayPrivateKey(Arrays.copyOf(bytes, bytes.length));
40     }
41 }
42