IDrm.h revision 4c63a239c404af1e055e5f9939939ab0fd09d98a 
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
21#ifndef ANDROID_IDRM_H_
22
23#define ANDROID_IDRM_H_
24
25namespace android {
26
27struct AString;
28
29struct IDrm : public IInterface {
30    DECLARE_META_INTERFACE(Drm);
31
32    virtual status_t initCheck() const = 0;
33
34    virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]) = 0;
35
36    virtual status_t createPlugin(const uint8_t uuid[16]) = 0;
37
38    virtual status_t destroyPlugin() = 0;
39
40    virtual status_t openSession(Vector<uint8_t> &sessionId) = 0;
41
42    virtual status_t closeSession(Vector<uint8_t> const &sessionId) = 0;
43
44    virtual status_t
45        getKeyRequest(Vector<uint8_t> const &sessionId,
46                      Vector<uint8_t> const &initData,
47                      String8 const &mimeType, DrmPlugin::KeyType keyType,
48                      KeyedVector<String8, String8> const &optionalParameters,
49                      Vector<uint8_t> &request, String8 &defaultUrl) = 0;
50
51    virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId,
52                                        Vector<uint8_t> const &response,
53                                        Vector<uint8_t> &keySetId) = 0;
54
55    virtual status_t removeKeys(Vector<uint8_t> const &keySetId) = 0;
56
57    virtual status_t restoreKeys(Vector<uint8_t> const &sessionId,
58                                 Vector<uint8_t> const &keySetId) = 0;
59
60    virtual status_t queryKeyStatus(Vector<uint8_t> const &sessionId,
61                                    KeyedVector<String8, String8> &infoMap) const = 0;
62
63    virtual status_t getProvisionRequest(Vector<uint8_t> &request,
64                                         String8 &defaulUrl) = 0;
65
66    virtual status_t provideProvisionResponse(Vector<uint8_t> const &response) = 0;
67
68    virtual status_t getSecureStops(List<Vector<uint8_t> > &secureStops) = 0;
69
70    virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease) = 0;
71
72    virtual status_t getPropertyString(String8 const &name, String8 &value) const = 0;
73    virtual status_t getPropertyByteArray(String8 const &name,
74                                          Vector<uint8_t> &value) const = 0;
75    virtual status_t setPropertyString(String8 const &name,
76                                       String8 const &value ) const = 0;
77    virtual status_t setPropertyByteArray(String8 const &name,
78                                          Vector<uint8_t> const &value) const = 0;
79
80    virtual status_t setCipherAlgorithm(Vector<uint8_t> const &sessionId,
81                                        String8 const &algorithm) = 0;
82
83    virtual status_t setMacAlgorithm(Vector<uint8_t> const &sessionId,
84                                     String8 const &algorithm) = 0;
85
86    virtual status_t encrypt(Vector<uint8_t> const &sessionId,
87                             Vector<uint8_t> const &keyId,
88                             Vector<uint8_t> const &input,
89                             Vector<uint8_t> const &iv,
90                             Vector<uint8_t> &output) = 0;
91
92    virtual status_t decrypt(Vector<uint8_t> const &sessionId,
93                             Vector<uint8_t> const &keyId,
94                             Vector<uint8_t> const &input,
95                             Vector<uint8_t> const &iv,
96                             Vector<uint8_t> &output) = 0;
97
98    virtual status_t sign(Vector<uint8_t> const &sessionId,
99                          Vector<uint8_t> const &keyId,
100                          Vector<uint8_t> const &message,
101                          Vector<uint8_t> &signature) = 0;
102
103    virtual status_t verify(Vector<uint8_t> const &sessionId,
104                            Vector<uint8_t> const &keyId,
105                            Vector<uint8_t> const &message,
106                            Vector<uint8_t> const &signature,
107                            bool &match) = 0;
108
109private:
110    DISALLOW_EVIL_CONSTRUCTORS(IDrm);
111};
112
113struct BnDrm : public BnInterface<IDrm> {
114    virtual status_t onTransact(
115            uint32_t code, const Parcel &data, Parcel *reply,
116            uint32_t flags = 0);
117private:
118    void readVector(const Parcel &data, Vector<uint8_t> &vector) const;
119    void writeVector(Parcel *reply, Vector<uint8_t> const &vector) const;
120};
121
122}  // namespace android
123
124#endif // ANDROID_IDRM_H_
125
126