1 /*
2  * Copyright (C) 2017 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_LOWPAN_CREDENTIAL_H
18 #define ANDROID_LOWPAN_CREDENTIAL_H
19 
20 #include <binder/Parcelable.h>
21 #include <utils/String16.h>
22 #include <utils/StrongPointer.h>
23 
24 namespace android {
25 
26 namespace net {
27 
28 namespace lowpan {
29 
30 /*
31  * C++ implementation of the Java class android.net.lowpan.LowpanCredential
32  */
33 class LowpanCredential : public Parcelable {
34 public:
35     static const int32_t UNSPECIFIED_MASTER_KEY_INDEX = 0;
36     static const int MASTER_KEY_MAX_SIZE = 1048576;
37 
38     LowpanCredential();
39     virtual ~LowpanCredential() = default;
40     LowpanCredential(const LowpanCredential& x) = default;
41 
42     static status_t initMasterKey(LowpanCredential& out, const std::vector<uint8_t>& masterKey, int32_t masterKeyIndex);
43     static status_t initMasterKey(LowpanCredential& out, const std::vector<uint8_t>& masterKey);
44     static status_t initMasterKey(LowpanCredential& out, const uint8_t* masterKeyBytes, int masterKeyLen, int32_t masterKeyIndex);
45     static status_t initMasterKey(LowpanCredential& out, const uint8_t* masterKeyBytes, int masterKeyLen);
46 
47     bool isMasterKey()const;
48     bool getMasterKey(std::vector<uint8_t>* masterKey)const;
49     bool getMasterKey(const uint8_t** masterKey, int* masterKeyLen)const;
50     int32_t getMasterKeyIndex()const;
51 
52     bool operator==(const LowpanCredential& rhs);
53     bool operator!=(const LowpanCredential& rhs) { return !(*this == rhs); }
54 
55 public:
56     // Overrides
57     status_t writeToParcel(Parcel* parcel) const override;
58     status_t readFromParcel(const Parcel* parcel) override;
59 
60 private:
61     // Data
62     std::vector<uint8_t> mMasterKey;
63     int32_t mMasterKeyIndex;
64 };
65 
66 }  // namespace lowpan
67 
68 }  // namespace net
69 
70 }  // namespace android
71 
72 #endif  // ANDROID_LOWPAN_CREDENTIAL_H
73