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 <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 28 namespace android { 29 30 struct AString; 31 32 struct IDrm : public IInterface { 33 DECLARE_META_INTERFACE(Drm); 34 35 virtual status_t initCheck() const = 0; 36 37 virtual status_t isCryptoSchemeSupported(const uint8_t uuid[16], 38 const String8 &mimeType, 39 DrmPlugin::SecurityLevel securityLevel, 40 bool *result) = 0; 41 42 virtual status_t createPlugin(const uint8_t uuid[16], 43 const String8 &appPackageName) = 0; 44 45 virtual status_t destroyPlugin() = 0; 46 47 virtual status_t openSession(DrmPlugin::SecurityLevel securityLevel, 48 Vector<uint8_t> &sessionId) = 0; 49 50 virtual status_t closeSession(Vector<uint8_t> const &sessionId) = 0; 51 52 virtual status_t 53 getKeyRequest(Vector<uint8_t> const &sessionId, 54 Vector<uint8_t> const &initData, 55 String8 const &mimeType, DrmPlugin::KeyType keyType, 56 KeyedVector<String8, String8> const &optionalParameters, 57 Vector<uint8_t> &request, String8 &defaultUrl, 58 DrmPlugin::KeyRequestType *keyRequestType) = 0; 59 60 virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId, 61 Vector<uint8_t> const &response, 62 Vector<uint8_t> &keySetId) = 0; 63 64 virtual status_t removeKeys(Vector<uint8_t> const &keySetId) = 0; 65 66 virtual status_t restoreKeys(Vector<uint8_t> const &sessionId, 67 Vector<uint8_t> const &keySetId) = 0; 68 69 virtual status_t queryKeyStatus(Vector<uint8_t> const &sessionId, 70 KeyedVector<String8, String8> &infoMap) const = 0; 71 72 virtual status_t getProvisionRequest(String8 const &certType, 73 String8 const &certAuthority, 74 Vector<uint8_t> &request, 75 String8 &defaulUrl) = 0; 76 77 virtual status_t provideProvisionResponse(Vector<uint8_t> const &response, 78 Vector<uint8_t> &certificate, 79 Vector<uint8_t> &wrappedKey) = 0; 80 81 virtual status_t getSecureStops(List<Vector<uint8_t>> &secureStops) = 0; 82 virtual status_t getSecureStopIds(List<Vector<uint8_t>> &secureStopIds) = 0; 83 virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop) = 0; 84 85 virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease) = 0; 86 virtual status_t removeSecureStop(Vector<uint8_t> const &ssid) = 0; 87 virtual status_t removeAllSecureStops() = 0; 88 89 virtual status_t getHdcpLevels(DrmPlugin::HdcpLevel *connectedLevel, 90 DrmPlugin::HdcpLevel *maxLevel) 91 const = 0; 92 virtual status_t getNumberOfSessions(uint32_t *currentSessions, 93 uint32_t *maxSessions) const = 0; 94 virtual status_t getSecurityLevel(Vector<uint8_t> const &sessionId, 95 DrmPlugin::SecurityLevel *level) const = 0; 96 97 virtual status_t getOfflineLicenseKeySetIds(List<Vector<uint8_t>> &keySetIds) const = 0; 98 virtual status_t removeOfflineLicense(Vector<uint8_t> const &keySetId) = 0; 99 virtual status_t getOfflineLicenseState(Vector<uint8_t> const &keySetId, 100 DrmPlugin::OfflineLicenseState *licenseState) const = 0; 101 102 virtual status_t getPropertyString(String8 const &name, String8 &value) const = 0; 103 virtual status_t getPropertyByteArray(String8 const &name, 104 Vector<uint8_t> &value) const = 0; 105 virtual status_t setPropertyString(String8 const &name, 106 String8 const &value ) const = 0; 107 virtual status_t setPropertyByteArray(String8 const &name, 108 Vector<uint8_t> const &value) const = 0; 109 110 virtual status_t getMetrics(os::PersistableBundle *metrics) = 0; 111 112 virtual status_t setCipherAlgorithm(Vector<uint8_t> const &sessionId, 113 String8 const &algorithm) = 0; 114 115 virtual status_t setMacAlgorithm(Vector<uint8_t> const &sessionId, 116 String8 const &algorithm) = 0; 117 118 virtual status_t encrypt(Vector<uint8_t> const &sessionId, 119 Vector<uint8_t> const &keyId, 120 Vector<uint8_t> const &input, 121 Vector<uint8_t> const &iv, 122 Vector<uint8_t> &output) = 0; 123 124 virtual status_t decrypt(Vector<uint8_t> const &sessionId, 125 Vector<uint8_t> const &keyId, 126 Vector<uint8_t> const &input, 127 Vector<uint8_t> const &iv, 128 Vector<uint8_t> &output) = 0; 129 130 virtual status_t sign(Vector<uint8_t> const &sessionId, 131 Vector<uint8_t> const &keyId, 132 Vector<uint8_t> const &message, 133 Vector<uint8_t> &signature) = 0; 134 135 virtual status_t verify(Vector<uint8_t> const &sessionId, 136 Vector<uint8_t> const &keyId, 137 Vector<uint8_t> const &message, 138 Vector<uint8_t> const &signature, 139 bool &match) = 0; 140 141 virtual status_t signRSA(Vector<uint8_t> const &sessionId, 142 String8 const &algorithm, 143 Vector<uint8_t> const &message, 144 Vector<uint8_t> const &wrappedKey, 145 Vector<uint8_t> &signature) = 0; 146 147 virtual status_t setListener(const sp<IDrmClient>& listener) = 0; 148 149 private: 150 DISALLOW_EVIL_CONSTRUCTORS(IDrm); 151 }; 152 153 struct BnDrm : public BnInterface<IDrm> { 154 virtual status_t onTransact( 155 uint32_t code, const Parcel &data, Parcel *reply, 156 uint32_t flags = 0); 157 private: 158 void readVector(const Parcel &data, Vector<uint8_t> &vector) const; 159 void writeVector(Parcel *reply, Vector<uint8_t> const &vector) const; 160 }; 161 162 } // namespace android 163 164 #endif // ANDROID_IDRM_H_ 165