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_2 {
31 namespace clearkey {
32
isCryptoSchemeSupported(const hidl_array<uint8_t,16> & uuid)33 Return<bool> CryptoFactory::isCryptoSchemeSupported(
34 const hidl_array<uint8_t, 16> &uuid)
35 {
36 return clearkeydrm::isClearKeyUUID(uuid.data());
37 }
38
createPlugin(const hidl_array<uint8_t,16> & uuid,const hidl_vec<uint8_t> & initData,createPlugin_cb _hidl_cb)39 Return<void> CryptoFactory::createPlugin(
40 const hidl_array<uint8_t, 16> &uuid,
41 const hidl_vec<uint8_t> &initData,
42 createPlugin_cb _hidl_cb) {
43
44 if (!isCryptoSchemeSupported(uuid.data())) {
45 ALOGE("Clearkey Drm HAL: failed to create clearkey plugin, " \
46 "invalid crypto scheme");
47 _hidl_cb(Status::BAD_VALUE, nullptr);
48 return Void();
49 }
50
51 CryptoPlugin *cryptoPlugin = new CryptoPlugin(initData);
52 Status status = cryptoPlugin->getInitStatus();
53 if (status == Status::OK) {
54 _hidl_cb(Status::OK, cryptoPlugin);
55 } else {
56 delete cryptoPlugin;
57 _hidl_cb(status, nullptr);
58 }
59 return Void();
60 }
61
62 } // namespace clearkey
63 } // namespace V1_2
64 } // namespace drm
65 } // namespace hardware
66 } // namespace android
67
68