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 #pragma once
17 
18 #include <vector>
19 
20 #include "keymaster/serializable.h"
21 
22 /**
23  * A keymaster::Serializable type that refers to multiple other
24  * keymaster::Serializable instances by pointer. When data is serialized or
25  * deserialized, it's delegated to the instances pointed to.
26  *
27  * The serialization format is to put the instances one after the other in
28  * the byte stream.
29  */
30 class CompositeSerializable : public keymaster::Serializable {
31 public:
32   CompositeSerializable(const std::vector<keymaster::Serializable*>&);
33 
34   size_t SerializedSize() const override;
35   uint8_t* Serialize(uint8_t* buf, const uint8_t* end) const override;
36   bool Deserialize(const uint8_t** buf_ptr, const uint8_t* end) override;
37 private:
38   std::vector<keymaster::Serializable*> members_;
39 };
40