1/*
2 * Copyright (C) 2013 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#include <binder/IInterface.h>
18#include <media/stagefright/foundation/ABase.h>
19#include <media/drm/DrmAPI.h>
20#include <media/IDrmClient.h>
21
22#ifndef ANDROID_IDRM_H_
23
24#define ANDROID_IDRM_H_
25
26namespace android {
27
28struct AString;
29
30struct IDrm : public IInterface {
31    DECLARE_META_INTERFACE(Drm);
32
33    virtual status_t initCheck() const = 0;
34
35    virtual bool isCryptoSchemeSupported(const uint8_t uuid[16], const String8 &mimeType) = 0;
36
37    virtual status_t createPlugin(const uint8_t uuid[16],
38                                  const String8 &appPackageName) = 0;
39
40    virtual status_t destroyPlugin() = 0;
41
42    virtual status_t openSession(Vector<uint8_t> &sessionId) = 0;
43
44    virtual status_t closeSession(Vector<uint8_t> const &sessionId) = 0;
45
46    virtual status_t
47        getKeyRequest(Vector<uint8_t> const &sessionId,
48                      Vector<uint8_t> const &initData,
49                      String8 const &mimeType, DrmPlugin::KeyType keyType,
50                      KeyedVector<String8, String8> const &optionalParameters,
51                      Vector<uint8_t> &request, String8 &defaultUrl,
52                      DrmPlugin::KeyRequestType *keyRequestType) = 0;
53
54    virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId,
55                                        Vector<uint8_t> const &response,
56                                        Vector<uint8_t> &keySetId) = 0;
57
58    virtual status_t removeKeys(Vector<uint8_t> const &keySetId) = 0;
59
60    virtual status_t restoreKeys(Vector<uint8_t> const &sessionId,
61                                 Vector<uint8_t> const &keySetId) = 0;
62
63    virtual status_t queryKeyStatus(Vector<uint8_t> const &sessionId,
64                                    KeyedVector<String8, String8> &infoMap) const = 0;
65
66    virtual status_t getProvisionRequest(String8 const &certType,
67                                         String8 const &certAuthority,
68                                         Vector<uint8_t> &request,
69                                         String8 &defaulUrl) = 0;
70
71    virtual status_t provideProvisionResponse(Vector<uint8_t> const &response,
72                                              Vector<uint8_t> &certificate,
73                                              Vector<uint8_t> &wrappedKey) = 0;
74
75    virtual status_t getSecureStops(List<Vector<uint8_t> > &secureStops) = 0;
76    virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop) = 0;
77
78    virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease) = 0;
79    virtual status_t releaseAllSecureStops() = 0;
80
81    virtual status_t getPropertyString(String8 const &name, String8 &value) const = 0;
82    virtual status_t getPropertyByteArray(String8 const &name,
83                                          Vector<uint8_t> &value) const = 0;
84    virtual status_t setPropertyString(String8 const &name,
85                                       String8 const &value ) const = 0;
86    virtual status_t setPropertyByteArray(String8 const &name,
87                                          Vector<uint8_t> const &value) const = 0;
88
89    virtual status_t setCipherAlgorithm(Vector<uint8_t> const &sessionId,
90                                        String8 const &algorithm) = 0;
91
92    virtual status_t setMacAlgorithm(Vector<uint8_t> const &sessionId,
93                                     String8 const &algorithm) = 0;
94
95    virtual status_t encrypt(Vector<uint8_t> const &sessionId,
96                             Vector<uint8_t> const &keyId,
97                             Vector<uint8_t> const &input,
98                             Vector<uint8_t> const &iv,
99                             Vector<uint8_t> &output) = 0;
100
101    virtual status_t decrypt(Vector<uint8_t> const &sessionId,
102                             Vector<uint8_t> const &keyId,
103                             Vector<uint8_t> const &input,
104                             Vector<uint8_t> const &iv,
105                             Vector<uint8_t> &output) = 0;
106
107    virtual status_t sign(Vector<uint8_t> const &sessionId,
108                          Vector<uint8_t> const &keyId,
109                          Vector<uint8_t> const &message,
110                          Vector<uint8_t> &signature) = 0;
111
112    virtual status_t verify(Vector<uint8_t> const &sessionId,
113                            Vector<uint8_t> const &keyId,
114                            Vector<uint8_t> const &message,
115                            Vector<uint8_t> const &signature,
116                            bool &match) = 0;
117
118    virtual status_t signRSA(Vector<uint8_t> const &sessionId,
119                             String8 const &algorithm,
120                             Vector<uint8_t> const &message,
121                             Vector<uint8_t> const &wrappedKey,
122                             Vector<uint8_t> &signature) = 0;
123
124    virtual status_t setListener(const sp<IDrmClient>& listener) = 0;
125
126private:
127    DISALLOW_EVIL_CONSTRUCTORS(IDrm);
128};
129
130struct BnDrm : public BnInterface<IDrm> {
131    virtual status_t onTransact(
132            uint32_t code, const Parcel &data, Parcel *reply,
133            uint32_t flags = 0);
134private:
135    void readVector(const Parcel &data, Vector<uint8_t> &vector) const;
136    void writeVector(Parcel *reply, Vector<uint8_t> const &vector) const;
137};
138
139}  // namespace android
140
141#endif // ANDROID_IDRM_H_
142