IDrm.h revision 9cf69e0fc110f17c28e988ed0f9bf91abfaf710d 
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]) = 0;
38
39    virtual status_t destroyPlugin() = 0;
40
41    virtual status_t openSession(Vector<uint8_t> &sessionId) = 0;
42
43    virtual status_t closeSession(Vector<uint8_t> const &sessionId) = 0;
44
45    virtual status_t
46        getKeyRequest(Vector<uint8_t> const &sessionId,
47                      Vector<uint8_t> const &initData,
48                      String8 const &mimeType, DrmPlugin::KeyType keyType,
49                      KeyedVector<String8, String8> const &optionalParameters,
50                      Vector<uint8_t> &request, String8 &defaultUrl) = 0;
51
52    virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId,
53                                        Vector<uint8_t> const &response,
54                                        Vector<uint8_t> &keySetId) = 0;
55
56    virtual status_t removeKeys(Vector<uint8_t> const &keySetId) = 0;
57
58    virtual status_t restoreKeys(Vector<uint8_t> const &sessionId,
59                                 Vector<uint8_t> const &keySetId) = 0;
60
61    virtual status_t queryKeyStatus(Vector<uint8_t> const &sessionId,
62                                    KeyedVector<String8, String8> &infoMap) const = 0;
63
64    virtual status_t getProvisionRequest(Vector<uint8_t> &request,
65                                         String8 &defaulUrl) = 0;
66
67    virtual status_t provideProvisionResponse(Vector<uint8_t> const &response) = 0;
68
69    virtual status_t getSecureStops(List<Vector<uint8_t> > &secureStops) = 0;
70
71    virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease) = 0;
72
73    virtual status_t getPropertyString(String8 const &name, String8 &value) const = 0;
74    virtual status_t getPropertyByteArray(String8 const &name,
75                                          Vector<uint8_t> &value) const = 0;
76    virtual status_t setPropertyString(String8 const &name,
77                                       String8 const &value ) const = 0;
78    virtual status_t setPropertyByteArray(String8 const &name,
79                                          Vector<uint8_t> const &value) const = 0;
80
81    virtual status_t setCipherAlgorithm(Vector<uint8_t> const &sessionId,
82                                        String8 const &algorithm) = 0;
83
84    virtual status_t setMacAlgorithm(Vector<uint8_t> const &sessionId,
85                                     String8 const &algorithm) = 0;
86
87    virtual status_t encrypt(Vector<uint8_t> const &sessionId,
88                             Vector<uint8_t> const &keyId,
89                             Vector<uint8_t> const &input,
90                             Vector<uint8_t> const &iv,
91                             Vector<uint8_t> &output) = 0;
92
93    virtual status_t decrypt(Vector<uint8_t> const &sessionId,
94                             Vector<uint8_t> const &keyId,
95                             Vector<uint8_t> const &input,
96                             Vector<uint8_t> const &iv,
97                             Vector<uint8_t> &output) = 0;
98
99    virtual status_t sign(Vector<uint8_t> const &sessionId,
100                          Vector<uint8_t> const &keyId,
101                          Vector<uint8_t> const &message,
102                          Vector<uint8_t> &signature) = 0;
103
104    virtual status_t verify(Vector<uint8_t> const &sessionId,
105                            Vector<uint8_t> const &keyId,
106                            Vector<uint8_t> const &message,
107                            Vector<uint8_t> const &signature,
108                            bool &match) = 0;
109
110    virtual status_t setListener(const sp<IDrmClient>& listener) = 0;
111
112private:
113    DISALLOW_EVIL_CONSTRUCTORS(IDrm);
114};
115
116struct BnDrm : public BnInterface<IDrm> {
117    virtual status_t onTransact(
118            uint32_t code, const Parcel &data, Parcel *reply,
119            uint32_t flags = 0);
120private:
121    void readVector(const Parcel &data, Vector<uint8_t> &vector) const;
122    void writeVector(Parcel *reply, Vector<uint8_t> const &vector) const;
123};
124
125}  // namespace android
126
127#endif // ANDROID_IDRM_H_
128
129