18253f44c3d0d8a7003dd2e6f728f9e3d63927727Steven Moreland/*
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 <binder/PersistableBundle.h>
19#include <media/stagefright/foundation/ABase.h>
20#include <media/drm/DrmAPI.h>
21#include <media/MediaAnalyticsItem.h>
22#include <mediadrm/IDrmClient.h>
23
24#ifndef ANDROID_IDRM_H_
25
26#define ANDROID_IDRM_H_
27
28namespace android {
29
30struct AString;
31
32struct IDrm : public IInterface {
33    DECLARE_META_INTERFACE(Drm);
34
35    virtual status_t initCheck() const = 0;
36
37    virtual bool isCryptoSchemeSupported(const uint8_t uuid[16], const String8 &mimeType) = 0;
38
39    virtual status_t createPlugin(const uint8_t uuid[16],
40                                  const String8 &appPackageName) = 0;
41
42    virtual status_t destroyPlugin() = 0;
43
44    virtual status_t openSession(DrmPlugin::SecurityLevel securityLevel,
45            Vector<uint8_t> &sessionId) = 0;
46
47    virtual status_t closeSession(Vector<uint8_t> const &sessionId) = 0;
48
49    virtual status_t
50        getKeyRequest(Vector<uint8_t> const &sessionId,
51                      Vector<uint8_t> const &initData,
52                      String8 const &mimeType, DrmPlugin::KeyType keyType,
53                      KeyedVector<String8, String8> const &optionalParameters,
54                      Vector<uint8_t> &request, String8 &defaultUrl,
55                      DrmPlugin::KeyRequestType *keyRequestType) = 0;
56
57    virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId,
58                                        Vector<uint8_t> const &response,
59                                        Vector<uint8_t> &keySetId) = 0;
60
61    virtual status_t removeKeys(Vector<uint8_t> const &keySetId) = 0;
62
63    virtual status_t restoreKeys(Vector<uint8_t> const &sessionId,
64                                 Vector<uint8_t> const &keySetId) = 0;
65
66    virtual status_t queryKeyStatus(Vector<uint8_t> const &sessionId,
67                                    KeyedVector<String8, String8> &infoMap) const = 0;
68
69    virtual status_t getProvisionRequest(String8 const &certType,
70                                         String8 const &certAuthority,
71                                         Vector<uint8_t> &request,
72                                         String8 &defaulUrl) = 0;
73
74    virtual status_t provideProvisionResponse(Vector<uint8_t> const &response,
75                                              Vector<uint8_t> &certificate,
76                                              Vector<uint8_t> &wrappedKey) = 0;
77
78    virtual status_t getSecureStops(List<Vector<uint8_t> > &secureStops) = 0;
79    virtual status_t getSecureStopIds(List<Vector<uint8_t> > &secureStopIds) = 0;
80    virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop) = 0;
81
82    virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease) = 0;
83    virtual status_t removeSecureStop(Vector<uint8_t> const &ssid) = 0;
84    virtual status_t removeAllSecureStops() = 0;
85
86    virtual status_t getHdcpLevels(DrmPlugin::HdcpLevel *connectedLevel,
87            DrmPlugin::HdcpLevel *maxLevel)
88            const = 0;
89    virtual status_t getNumberOfSessions(uint32_t *currentSessions,
90            uint32_t *maxSessions) const = 0;
91    virtual status_t getSecurityLevel(Vector<uint8_t> const &sessionId,
92            DrmPlugin::SecurityLevel *level) const = 0;
93
94    virtual status_t getPropertyString(String8 const &name, String8 &value) const = 0;
95    virtual status_t getPropertyByteArray(String8 const &name,
96                                          Vector<uint8_t> &value) const = 0;
97    virtual status_t setPropertyString(String8 const &name,
98                                       String8 const &value ) const = 0;
99    virtual status_t setPropertyByteArray(String8 const &name,
100                                          Vector<uint8_t> const &value) const = 0;
101
102    virtual status_t getMetrics(os::PersistableBundle *metrics) = 0;
103
104    virtual status_t setCipherAlgorithm(Vector<uint8_t> const &sessionId,
105                                        String8 const &algorithm) = 0;
106
107    virtual status_t setMacAlgorithm(Vector<uint8_t> const &sessionId,
108                                     String8 const &algorithm) = 0;
109
110    virtual status_t encrypt(Vector<uint8_t> const &sessionId,
111                             Vector<uint8_t> const &keyId,
112                             Vector<uint8_t> const &input,
113                             Vector<uint8_t> const &iv,
114                             Vector<uint8_t> &output) = 0;
115
116    virtual status_t decrypt(Vector<uint8_t> const &sessionId,
117                             Vector<uint8_t> const &keyId,
118                             Vector<uint8_t> const &input,
119                             Vector<uint8_t> const &iv,
120                             Vector<uint8_t> &output) = 0;
121
122    virtual status_t sign(Vector<uint8_t> const &sessionId,
123                          Vector<uint8_t> const &keyId,
124                          Vector<uint8_t> const &message,
125                          Vector<uint8_t> &signature) = 0;
126
127    virtual status_t verify(Vector<uint8_t> const &sessionId,
128                            Vector<uint8_t> const &keyId,
129                            Vector<uint8_t> const &message,
130                            Vector<uint8_t> const &signature,
131                            bool &match) = 0;
132
133    virtual status_t signRSA(Vector<uint8_t> const &sessionId,
134                             String8 const &algorithm,
135                             Vector<uint8_t> const &message,
136                             Vector<uint8_t> const &wrappedKey,
137                             Vector<uint8_t> &signature) = 0;
138
139    virtual status_t setListener(const sp<IDrmClient>& listener) = 0;
140
141private:
142    DISALLOW_EVIL_CONSTRUCTORS(IDrm);
143};
144
145struct BnDrm : public BnInterface<IDrm> {
146    virtual status_t onTransact(
147            uint32_t code, const Parcel &data, Parcel *reply,
148            uint32_t flags = 0);
149private:
150    void readVector(const Parcel &data, Vector<uint8_t> &vector) const;
151    void writeVector(Parcel *reply, Vector<uint8_t> const &vector) const;
152};
153
154}  // namespace android
155
156#endif // ANDROID_IDRM_H_
157