1 /*
2  * Copyright 2019, 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 #ifndef ANDROID_HARDWARE_IDENTITY_IDENTITYCREDENTIALSTORE_H
18 #define ANDROID_HARDWARE_IDENTITY_IDENTITYCREDENTIALSTORE_H
19 
20 #include <aidl/android/hardware/identity/BnIdentityCredentialStore.h>
21 
22 #include "SecureHardwareProxy.h"
23 
24 namespace aidl::android::hardware::identity {
25 
26 using ::android::sp;
27 using ::android::hardware::identity::SecureHardwareProxyFactory;
28 using ::std::shared_ptr;
29 using ::std::string;
30 using ::std::vector;
31 
32 class IdentityCredentialStore : public BnIdentityCredentialStore {
33   public:
IdentityCredentialStore(sp<SecureHardwareProxyFactory> hwProxyFactory)34     IdentityCredentialStore(sp<SecureHardwareProxyFactory> hwProxyFactory)
35         : hwProxyFactory_(hwProxyFactory) {}
36 
37     // The GCM chunk size used by this implementation is 64 KiB.
38     static constexpr size_t kGcmChunkSize = 64 * 1024;
39 
40     // Methods from IIdentityCredentialStore follow.
41     ndk::ScopedAStatus getHardwareInformation(HardwareInformation* hardwareInformation) override;
42 
43     ndk::ScopedAStatus createCredential(
44             const string& docType, bool testCredential,
45             shared_ptr<IWritableIdentityCredential>* outWritableCredential) override;
46 
47     ndk::ScopedAStatus getCredential(CipherSuite cipherSuite, const vector<uint8_t>& credentialData,
48                                      shared_ptr<IIdentityCredential>* outCredential) override;
49 
50   private:
51     sp<SecureHardwareProxyFactory> hwProxyFactory_;
52 };
53 
54 }  // namespace aidl::android::hardware::identity
55 
56 #endif  // ANDROID_HARDWARE_IDENTITY_IDENTITYCREDENTIALSTORE_H
57