blob: aaea2c953bad8fba146076fa443918067f2ec7fb [file] [log] [blame]
Jeff Tinkera53d6552017-01-20 00:31:46 -08001/*
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 DRM_HAL_H_
18
19#define DRM_HAL_H_
20
21#include <android/hardware/drm/1.0/IDrmPlugin.h>
22#include <android/hardware/drm/1.0/IDrmPluginListener.h>
23#include <android/hardware/drm/1.0/IDrmFactory.h>
24
25#include <media/IDrm.h>
26#include <media/IDrmClient.h>
27#include <utils/threads.h>
28
29using ::android::hardware::drm::V1_0::EventType;
30using ::android::hardware::drm::V1_0::IDrmFactory;
31using ::android::hardware::drm::V1_0::IDrmPlugin;
32using ::android::hardware::drm::V1_0::IDrmPluginListener;
33using ::android::hardware::drm::V1_0::KeyStatus;
34using ::android::hardware::hidl_vec;
35using ::android::hardware::Return;
36using ::android::hardware::Void;
37
38namespace android {
39
40struct DrmSessionClientInterface;
41
42struct DrmHal : public BnDrm,
43 public IBinder::DeathRecipient,
44 public IDrmPluginListener {
45 DrmHal();
46 virtual ~DrmHal();
47
48 virtual status_t initCheck() const;
49
50 virtual bool isCryptoSchemeSupported(const uint8_t uuid[16], const String8 &mimeType);
51
52 virtual status_t createPlugin(const uint8_t uuid[16]);
53
54 virtual status_t destroyPlugin();
55
56 virtual status_t openSession(Vector<uint8_t> &sessionId);
57
58 virtual status_t closeSession(Vector<uint8_t> const &sessionId);
59
60 virtual status_t
61 getKeyRequest(Vector<uint8_t> const &sessionId,
62 Vector<uint8_t> const &initData,
63 String8 const &mimeType, DrmPlugin::KeyType keyType,
64 KeyedVector<String8, String8> const &optionalParameters,
65 Vector<uint8_t> &request, String8 &defaultUrl,
66 DrmPlugin::KeyRequestType *keyRequestType);
67
68 virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId,
69 Vector<uint8_t> const &response,
70 Vector<uint8_t> &keySetId);
71
72 virtual status_t removeKeys(Vector<uint8_t> const &keySetId);
73
74 virtual status_t restoreKeys(Vector<uint8_t> const &sessionId,
75 Vector<uint8_t> const &keySetId);
76
77 virtual status_t queryKeyStatus(Vector<uint8_t> const &sessionId,
78 KeyedVector<String8, String8> &infoMap) const;
79
80 virtual status_t getProvisionRequest(String8 const &certType,
81 String8 const &certAuthority,
82 Vector<uint8_t> &request,
83 String8 &defaulUrl);
84
85 virtual status_t provideProvisionResponse(Vector<uint8_t> const &response,
86 Vector<uint8_t> &certificate,
87 Vector<uint8_t> &wrappedKey);
88
89 virtual status_t getSecureStops(List<Vector<uint8_t> > &secureStops);
90 virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop);
91
92 virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease);
93 virtual status_t releaseAllSecureStops();
94
95 virtual status_t getPropertyString(String8 const &name, String8 &value ) const;
96 virtual status_t getPropertyByteArray(String8 const &name,
97 Vector<uint8_t> &value ) const;
98 virtual status_t setPropertyString(String8 const &name, String8 const &value ) const;
99 virtual status_t setPropertyByteArray(String8 const &name,
100 Vector<uint8_t> const &value ) const;
101
102 virtual status_t setCipherAlgorithm(Vector<uint8_t> const &sessionId,
103 String8 const &algorithm);
104
105 virtual status_t setMacAlgorithm(Vector<uint8_t> const &sessionId,
106 String8 const &algorithm);
107
108 virtual status_t encrypt(Vector<uint8_t> const &sessionId,
109 Vector<uint8_t> const &keyId,
110 Vector<uint8_t> const &input,
111 Vector<uint8_t> const &iv,
112 Vector<uint8_t> &output);
113
114 virtual status_t decrypt(Vector<uint8_t> const &sessionId,
115 Vector<uint8_t> const &keyId,
116 Vector<uint8_t> const &input,
117 Vector<uint8_t> const &iv,
118 Vector<uint8_t> &output);
119
120 virtual status_t sign(Vector<uint8_t> const &sessionId,
121 Vector<uint8_t> const &keyId,
122 Vector<uint8_t> const &message,
123 Vector<uint8_t> &signature);
124
125 virtual status_t verify(Vector<uint8_t> const &sessionId,
126 Vector<uint8_t> const &keyId,
127 Vector<uint8_t> const &message,
128 Vector<uint8_t> const &signature,
129 bool &match);
130
131 virtual status_t signRSA(Vector<uint8_t> const &sessionId,
132 String8 const &algorithm,
133 Vector<uint8_t> const &message,
134 Vector<uint8_t> const &wrappedKey,
135 Vector<uint8_t> &signature);
136
137 virtual status_t setListener(const sp<IDrmClient>& listener);
138
139 // Methods of IDrmPluginListener
140 Return<void> sendEvent(EventType eventType,
141 const hidl_vec<uint8_t>& sessionId, const hidl_vec<uint8_t>& data);
142
143 Return<void> sendExpirationUpdate(const hidl_vec<uint8_t>& sessionId,
144 int64_t expiryTimeInMS);
145
146 Return<void> sendKeysChange(const hidl_vec<uint8_t>& sessionId,
147 const hidl_vec<KeyStatus>& keyStatusList, bool hasNewUsableKey);
148
149 virtual void binderDied(const wp<IBinder> &the_late_who);
150
151private:
152 static Mutex mLock;
153
154 sp<DrmSessionClientInterface> mDrmSessionClient;
155
156 sp<IDrmClient> mListener;
157 mutable Mutex mEventLock;
158 mutable Mutex mNotifyLock;
159
160 sp<IDrmFactory> mFactory;
161 sp<IDrmPlugin> mPlugin;
162
163 /**
164 * mInitCheck is:
165 * NO_INIT if a plugin hasn't been created yet
166 * ERROR_UNSUPPORTED if a plugin can't be created for the uuid
167 * OK after a plugin has been created and mPlugin is valid
168 */
169 status_t mInitCheck;
170
171 sp<IDrmFactory> makeDrmFactory();
172 sp<IDrmPlugin> makeDrmPlugin(const uint8_t uuid[16]);
173
174 void writeByteArray(Parcel &obj, const hidl_vec<uint8_t>& array);
175
176 DISALLOW_EVIL_CONSTRUCTORS(DrmHal);
177};
178
179} // namespace android
180
181#endif // DRM_HAL_H_