1 /*
2 * Copyright (C) 2018 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 //#define LOG_NDEBUG 0
18 #define LOG_TAG "hidl_ClearKeyCryptoFactory"
19 #include <utils/Log.h>
20
21 #include "CryptoFactory.h"
22
23 #include "ClearKeyUUID.h"
24 #include "CryptoPlugin.h"
25 #include "TypeConvert.h"
26
27 namespace android {
28 namespace hardware {
29 namespace drm {
30 namespace V1_4 {
31 namespace clearkey {
32
33 using ::android::hardware::drm::V1_0::Status;
34 using ::android::hardware::drm::V1_4::clearkey::CryptoPlugin;
35
isCryptoSchemeSupported(const hidl_array<uint8_t,16> & uuid)36 Return<bool> CryptoFactory::isCryptoSchemeSupported(
37 const hidl_array<uint8_t, 16> &uuid)
38 {
39 return clearkeydrm::isClearKeyUUID(uuid.data());
40 }
41
createPlugin(const hidl_array<uint8_t,16> & uuid,const hidl_vec<uint8_t> & initData,createPlugin_cb _hidl_cb)42 Return<void> CryptoFactory::createPlugin(
43 const hidl_array<uint8_t, 16> &uuid,
44 const hidl_vec<uint8_t> &initData,
45 createPlugin_cb _hidl_cb) {
46
47 if (!isCryptoSchemeSupported(uuid.data())) {
48 ALOGE("Clearkey Drm HAL: failed to create clearkey plugin, " \
49 "invalid crypto scheme");
50 _hidl_cb(Status::BAD_VALUE, nullptr);
51 return Void();
52 }
53
54 CryptoPlugin *cryptoPlugin = new CryptoPlugin(initData);
55 Status status = cryptoPlugin->getInitStatus();
56 if (status == Status::OK) {
57 _hidl_cb(Status::OK, cryptoPlugin);
58 } else {
59 delete cryptoPlugin;
60 _hidl_cb(status, nullptr);
61 }
62 return Void();
63 }
64
65 } // namespace clearkey
66 } // namespace V1_4
67 } // namespace drm
68 } // namespace hardware
69 } // namespace android
70
71