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.service.adselection.encryption;
18 
19 import android.net.Uri;
20 
21 import com.android.adservices.service.devapi.DevContext;
22 
23 import com.google.common.util.concurrent.FluentFuture;
24 
25 /** Interface which provides methods to encrypt and decrypt bytes using OHTTP. */
26 public interface ObliviousHttpEncryptor {
27 
28     /** Encrypts the given bytes. */
encryptBytes( byte[] plainText, long contextId, long keyFetchTimeoutMs, Uri coordinator, DevContext devContext)29     FluentFuture<byte[]> encryptBytes(
30             byte[] plainText,
31             long contextId,
32             long keyFetchTimeoutMs,
33             Uri coordinator,
34             DevContext devContext);
35 
36     /** Decrypt given bytes. */
decryptBytes(byte[] encryptedBytes, long storedContextId)37     byte[] decryptBytes(byte[] encryptedBytes, long storedContextId);
38 }
39