1 /*
2  * Copyright (c) 2023-2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *    http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef HKS_SA_INTERFACE_H
17 #define HKS_SA_INTERFACE_H
18 
19 #include <iremote_broker.h>
20 #include <iremote_proxy.h>
21 #include <iremote_stub.h>
22 #include <memory>
23 
24 namespace OHOS {
25 namespace Security {
26 namespace Hks {
27 class IHksService : public IRemoteBroker {
28 public:
29     DECLARE_INTERFACE_DESCRIPTOR(u"ohos.security.hks.service");
30     virtual void SendAsyncReply(uint32_t errCode, std::unique_ptr<uint8_t[]> &certChain, uint32_t sz) = 0;
31 };
32 
33 class HksStub : public IRemoteStub<IHksService> {
34 public:
35     void SendAsyncReply(uint32_t errCode, std::unique_ptr<uint8_t[]> &certChain, uint32_t sz) override;
36     std::tuple<uint32_t, std::unique_ptr<uint8_t[]>, uint32_t> WaitForAsyncReply(int timeout);
37     int OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option) override;
38 private:
39     int ProcessAttestKeyAsyncReply(MessageParcel& data);
40 
41     uint32_t mErrCode = 0;
42     uint32_t mSize = 0;
43     std::unique_ptr<uint8_t[]> mAsyncReply {};
44 
45     std::mutex mMutex;
46     std::condition_variable mCv;
47 };
48 
49 class HksProxy : public IRemoteProxy<IHksService> {
50 public:
51     explicit HksProxy(const sptr<IRemoteObject> &impl);
52     ~HksProxy() = default;
53     void SendAsyncReply(uint32_t errCode, std::unique_ptr<uint8_t[]> &certChain, uint32_t sz) override;
54 private:
55     static BrokerDelegator<HksProxy> delegator_;
56 };
57 } // namespace Hks
58 } // namespace Security
59 } // namespace OHOS
60 
61 #endif // HKS_SA_INTERFACE_H
62