1b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker/* 2b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * Copyright (C) 2016 The Android Open Source Project 3b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * 4b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * Licensed under the Apache License, Version 2.0 (the "License"); 5b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * you may not use this file except in compliance with the License. 6b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * You may obtain a copy of the License at 7b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * 8b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * http://www.apache.org/licenses/LICENSE-2.0 9b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * 10b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * Unless required by applicable law or agreed to in writing, software 11b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * distributed under the License is distributed on an "AS IS" BASIS, 12b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * See the License for the specific language governing permissions and 14b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker * limitations under the License. 15b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker */ 16972a3e329276e9880e4977d8dfeb4ec85edaa863Jeff Tinker#define LOG_TAG "android.hardware.drm@1.0-impl" 17b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker 18b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker#include "CryptoFactory.h" 193eb7df74b8eae5c902039d1b76402350715a0944Steven Moreland#include <log/log.h> 20b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker#include "CryptoPlugin.h" 21fcde9ff3a08a2c569f0ec90fa3487ecb9d34444dJohn W. Bruce#include "LegacyPluginPath.h" 22b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker#include "TypeConvert.h" 23b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker 24b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinkernamespace android { 25b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinkernamespace hardware { 26b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinkernamespace drm { 27b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinkernamespace V1_0 { 28b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinkernamespace implementation { 29b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker 309a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker CryptoFactory::CryptoFactory() : 31fcde9ff3a08a2c569f0ec90fa3487ecb9d34444dJohn W. Bruce loader(getDrmPluginPath(), "createCryptoFactory") { 32b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker } 33b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker 349a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker // Methods from ::android::hardware::drm::V1_0::ICryptoFactory follow. 359a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker Return<bool> CryptoFactory::isCryptoSchemeSupported( 369a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker const hidl_array<uint8_t, 16>& uuid) { 379a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker for (size_t i = 0; i < loader.factoryCount(); i++) { 389a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker if (loader.getFactory(i)->isCryptoSchemeSupported(uuid.data())) { 399a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker return true; 409a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker } 41b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker } 429a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker return false; 43b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker } 44b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker 459a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker Return<void> CryptoFactory::createPlugin(const hidl_array<uint8_t, 16>& uuid, 469a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker const hidl_vec<uint8_t>& initData, createPlugin_cb _hidl_cb) { 479a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker for (size_t i = 0; i < loader.factoryCount(); i++) { 489a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker if (loader.getFactory(i)->isCryptoSchemeSupported(uuid.data())) { 499a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker android::CryptoPlugin *legacyPlugin = NULL; 509a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker status_t status = loader.getFactory(i)->createPlugin(uuid.data(), 519a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker initData.data(), initData.size(), &legacyPlugin); 529a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker CryptoPlugin *newPlugin = NULL; 539a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker if (legacyPlugin == NULL) { 549a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker ALOGE("Crypto legacy HAL: failed to create crypto plugin"); 559a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker } else { 569a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker newPlugin = new CryptoPlugin(legacyPlugin); 579a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker } 589a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker _hidl_cb(toStatus(status), newPlugin); 599a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker return Void(); 609a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker } 61fbf365037014e81711611384aeee9469590210f6Jeff Tinker } 629a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker _hidl_cb(Status::ERROR_DRM_CANNOT_HANDLE, NULL); 639a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker return Void(); 64b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker } 65fbf365037014e81711611384aeee9469590210f6Jeff Tinker 669a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker ICryptoFactory* HIDL_FETCH_ICryptoFactory(const char* /* name */) { 679a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker return new CryptoFactory(); 689a33bb2b25aaa1ff0fc05b0b4d73f7c2af55ac92Jeff Tinker } 69b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker 70b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker} // namespace implementation 71b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker} // namespace V1_0 72b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker} // namespace drm 73b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker} // namespace hardware 74b075caa3b95c0c980e6118fb78878b87ce21a6a3Jeff Tinker} // namespace android 75