1 /*
2  * Copyright (C) 2020 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 #pragma once
18 
19 #include <android-base/macros.h>
20 #include <android-base/result.h>
21 
22 class SigningKey {
23   public:
~SigningKey()24     virtual ~SigningKey(){};
25     /* Sign a message with an initialized signing key */
26     virtual android::base::Result<std::string> sign(const std::string& message) const = 0;
27     /* Retrieve the associated public key */
28     virtual android::base::Result<std::vector<uint8_t>> getPublicKey() const = 0;
29 };
30