1 /* 2 * Copyright (C) 2014 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 CLEARKEY_DRM_PLUGIN_H_ 18 #define CLEARKEY_DRM_PLUGIN_H_ 19 20 #include <media/drm/DrmAPI.h> 21 #include <media/stagefright/foundation/ABase.h> 22 #include <media/stagefright/MediaErrors.h> 23 #include <utils/Errors.h> 24 #include <utils/KeyedVector.h> 25 #include <utils/List.h> 26 #include <utils/String8.h> 27 #include <utils/Vector.h> 28 29 #include "SessionLibrary.h" 30 #include "Utils.h" 31 32 namespace clearkeydrm { 33 34 using android::KeyedVector; 35 using android::List; 36 using android::status_t; 37 using android::String8; 38 using android::Vector; 39 40 class DrmPlugin : public android::DrmPlugin { 41 public: 42 DrmPlugin(SessionLibrary* sessionLibrary) 43 : mSessionLibrary(sessionLibrary) {} 44 virtual ~DrmPlugin() {} 45 46 virtual status_t openSession(Vector<uint8_t>& sessionId); 47 48 virtual status_t closeSession(const Vector<uint8_t>& sessionId); 49 50 virtual status_t getKeyRequest( 51 const Vector<uint8_t>& scope, 52 const Vector<uint8_t>& initData, 53 const String8& initDataType, 54 KeyType keyType, 55 const KeyedVector<String8, String8>& optionalParameters, 56 Vector<uint8_t>& request, 57 String8& defaultUrl); 58 59 virtual status_t provideKeyResponse( 60 const Vector<uint8_t>& scope, 61 const Vector<uint8_t>& response, 62 Vector<uint8_t>& keySetId); 63 64 virtual status_t removeKeys(const Vector<uint8_t>& sessionId) { 65 UNUSED(sessionId); 66 return android::ERROR_DRM_CANNOT_HANDLE; 67 } 68 69 virtual status_t restoreKeys( 70 const Vector<uint8_t>& sessionId, 71 const Vector<uint8_t>& keySetId) { 72 UNUSED(sessionId); 73 UNUSED(keySetId); 74 return android::ERROR_DRM_CANNOT_HANDLE; 75 } 76 77 virtual status_t queryKeyStatus( 78 const Vector<uint8_t>& sessionId, 79 KeyedVector<String8, String8>& infoMap) const { 80 UNUSED(sessionId); 81 UNUSED(infoMap); 82 return android::ERROR_DRM_CANNOT_HANDLE; 83 } 84 85 virtual status_t getProvisionRequest( 86 const String8& cert_type, 87 const String8& cert_authority, 88 Vector<uint8_t>& request, 89 String8& defaultUrl) { 90 UNUSED(cert_type); 91 UNUSED(cert_authority); 92 UNUSED(request); 93 UNUSED(defaultUrl); 94 return android::ERROR_DRM_CANNOT_HANDLE; 95 } 96 97 virtual status_t provideProvisionResponse( 98 const Vector<uint8_t>& response, 99 Vector<uint8_t>& certificate, 100 Vector<uint8_t>& wrappedKey) { 101 UNUSED(response); 102 UNUSED(certificate); 103 UNUSED(wrappedKey); 104 return android::ERROR_DRM_CANNOT_HANDLE; 105 } 106 107 virtual status_t unprovisionDevice() { 108 return android::ERROR_DRM_CANNOT_HANDLE; 109 } 110 111 virtual status_t getSecureStops(List<Vector<uint8_t> >& secureStops) { 112 UNUSED(secureStops); 113 return android::ERROR_DRM_CANNOT_HANDLE; 114 } 115 116 virtual status_t releaseSecureStops(const Vector<uint8_t>& ssRelease) { 117 UNUSED(ssRelease); 118 return android::ERROR_DRM_CANNOT_HANDLE; 119 } 120 121 virtual status_t getPropertyString( 122 const String8& name, String8& value) const; 123 124 virtual status_t getPropertyByteArray( 125 const String8& name, Vector<uint8_t>& value) const { 126 UNUSED(name); 127 UNUSED(value); 128 return android::ERROR_DRM_CANNOT_HANDLE; 129 } 130 131 virtual status_t setPropertyString( 132 const String8& name, const String8& value) { 133 UNUSED(name); 134 UNUSED(value); 135 return android::ERROR_DRM_CANNOT_HANDLE; 136 } 137 138 virtual status_t setPropertyByteArray( 139 const String8& name, const Vector<uint8_t>& value) { 140 UNUSED(name); 141 UNUSED(value); 142 return android::ERROR_DRM_CANNOT_HANDLE; 143 } 144 145 virtual status_t setCipherAlgorithm( 146 const Vector<uint8_t>& sessionId, const String8& algorithm) { 147 UNUSED(sessionId); 148 UNUSED(algorithm); 149 return android::ERROR_DRM_CANNOT_HANDLE; 150 } 151 152 virtual status_t setMacAlgorithm( 153 const Vector<uint8_t>& sessionId, const String8& algorithm) { 154 UNUSED(sessionId); 155 UNUSED(algorithm); 156 return android::ERROR_DRM_CANNOT_HANDLE; 157 } 158 159 virtual status_t encrypt( 160 const Vector<uint8_t>& sessionId, 161 const Vector<uint8_t>& keyId, 162 const Vector<uint8_t>& input, 163 const Vector<uint8_t>& iv, 164 Vector<uint8_t>& output) { 165 UNUSED(sessionId); 166 UNUSED(keyId); 167 UNUSED(input); 168 UNUSED(iv); 169 UNUSED(output); 170 return android::ERROR_DRM_CANNOT_HANDLE; 171 } 172 173 virtual status_t decrypt( 174 const Vector<uint8_t>& sessionId, 175 const Vector<uint8_t>& keyId, 176 const Vector<uint8_t>& input, 177 const Vector<uint8_t>& iv, 178 Vector<uint8_t>& output) { 179 UNUSED(sessionId); 180 UNUSED(keyId); 181 UNUSED(input); 182 UNUSED(iv); 183 UNUSED(output); 184 return android::ERROR_DRM_CANNOT_HANDLE; 185 } 186 187 virtual status_t sign( 188 const Vector<uint8_t>& sessionId, 189 const Vector<uint8_t>& keyId, 190 const Vector<uint8_t>& message, 191 Vector<uint8_t>& signature) { 192 UNUSED(sessionId); 193 UNUSED(keyId); 194 UNUSED(message); 195 UNUSED(signature); 196 return android::ERROR_DRM_CANNOT_HANDLE; 197 } 198 199 virtual status_t verify( 200 const Vector<uint8_t>& sessionId, 201 const Vector<uint8_t>& keyId, 202 const Vector<uint8_t>& message, 203 const Vector<uint8_t>& signature, bool& match) { 204 UNUSED(sessionId); 205 UNUSED(keyId); 206 UNUSED(message); 207 UNUSED(signature); 208 UNUSED(match); 209 return android::ERROR_DRM_CANNOT_HANDLE; 210 } 211 212 virtual status_t signRSA( 213 const Vector<uint8_t>& sessionId, 214 const String8& algorithm, 215 const Vector<uint8_t>& message, 216 const Vector<uint8_t>& wrappedKey, 217 Vector<uint8_t>& signature) { 218 UNUSED(sessionId); 219 UNUSED(algorithm); 220 UNUSED(message); 221 UNUSED(wrappedKey); 222 UNUSED(signature); 223 return android::ERROR_DRM_CANNOT_HANDLE; 224 } 225 226 private: 227 DISALLOW_EVIL_CONSTRUCTORS(DrmPlugin); 228 229 SessionLibrary* mSessionLibrary; 230 }; 231 232 } // namespace clearkeydrm 233 234 #endif // CLEARKEY_DRM_PLUGIN_H_ 235
