1 /*
2  * Copyright (c) 2021, 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 SYSTEM_SECURITY_PRESENTATION_H_
18 #define SYSTEM_SECURITY_PRESENTATION_H_
19 
20 #include <string>
21 #include <vector>
22 
23 #include <android/security/identity/BnSession.h>
24 
25 #include <android/hardware/identity/IPresentationSession.h>
26 
27 #include <android/hardware/identity/IIdentityCredentialStore.h>
28 
29 #include "CredentialStore.h"
30 
31 namespace android {
32 namespace security {
33 namespace identity {
34 
35 using ::android::sp;
36 using ::android::binder::Status;
37 using ::std::string;
38 using ::std::vector;
39 
40 using ::android::hardware::identity::CipherSuite;
41 using ::android::hardware::identity::HardwareInformation;
42 using ::android::hardware::identity::IIdentityCredential;
43 using ::android::hardware::identity::IIdentityCredentialStore;
44 using ::android::hardware::identity::IPresentationSession;
45 using ::android::hardware::identity::RequestDataItem;
46 using ::android::hardware::identity::RequestNamespace;
47 
48 class Session : public BnSession {
49   public:
Session(int32_t cipherSuite,sp<IPresentationSession> halBinder,sp<CredentialStore> store)50     Session(int32_t cipherSuite, sp<IPresentationSession> halBinder, sp<CredentialStore> store)
51         : cipherSuite_(cipherSuite), halBinder_(halBinder), store_(store) {}
52 
53     bool initialize();
54 
55     // ISession overrides
56     Status getEphemeralKeyPair(vector<uint8_t>* _aidl_return) override;
57 
58     Status setReaderEphemeralPublicKey(const vector<uint8_t>& publicKey) override;
59 
60     Status setSessionTranscript(const vector<uint8_t>& sessionTranscript) override;
61 
62     Status getAuthChallenge(int64_t* _aidl_return) override;
63 
64     Status getCredentialForPresentation(const string& credentialName,
65                                         sp<ICredential>* _aidl_return) override;
66 
67   private:
68     int32_t cipherSuite_;
69     sp<IPresentationSession> halBinder_;
70     sp<CredentialStore> store_;
71 };
72 
73 }  // namespace identity
74 }  // namespace security
75 }  // namespace android
76 
77 #endif  // SYSTEM_SECURITY_SESSION_H_
78