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_DCM_CALLBACK_HANDLER_H
17 #define HKS_DCM_CALLBACK_HANDLER_H
18 
19 #ifdef __cplusplus
20 #include <cstdint>
21 #include <mutex>
22 #endif
23 
24 typedef enum {
25     DCM_SUCCESS = 0
26 } DcmErrorCode;
27 
28 struct DcmBlob {
29     uint32_t size;
30     uint8_t *data;
31 };
32 
33 struct DcmCertChain {
34     DcmBlob *certs;
35     uint32_t certsCount;
36 };
37 
38 typedef struct {
39     DcmBlob blob;
40     uint64_t requestId;
41 } DcmAnonymousRequest;
42 
43 typedef struct {
44     uint64_t requestId;
45     uint32_t errCode;
46     DcmBlob errInfo;
47     DcmCertChain *certChain;
48 } DcmAnonymousResponse;
49 
50 typedef void (*DcmCallback)(DcmAnonymousResponse *response);
51 typedef int32_t (*AttestFunction)(DcmAnonymousRequest *requset, DcmCallback callback);
52 
53 #ifdef __cplusplus
54 extern "C" {
55 #endif
56 
57 void HksDcmCallback(DcmAnonymousResponse *response);
58 
59 int32_t HksDcmCallbackHandlerSetRequestIdWithoutLock(const uint8_t *remoteObject, uint64_t requestId);
60 
61 AttestFunction HksOpenDcmFunction(void);
62 
63 void HksCloseDcmFunction(void);
64 
65 #ifdef __cplusplus
66 } // extern "C"
67 #endif
68 
69 #ifdef __cplusplus
70 std::mutex &HksDcmCallbackHandlerGetMapMutex(void);
71 #endif
72 
73 #endif // HKS_DCM_CALLBACK_HANDLER_H