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 com.google.auto.value.AutoValue; 20 21 /** 22 * Holds the byte array returned by the native JNI method hkdfExpand defined in {@link 23 * OhttpJniWrapper} 24 */ 25 @AutoValue 26 public abstract class HkdfExpandResponse { 27 /** Get the bytes held by this object */ 28 @SuppressWarnings("mutable") getBytes()29 abstract byte[] getBytes(); 30 31 /** Creates a {@link HkdfExpandResponse} object with the given bytes */ create(byte[] bytes)32 static HkdfExpandResponse create(byte[] bytes) { 33 return new AutoValue_HkdfExpandResponse(bytes); 34 } 35 } 36