1 /*
2 **
3 ** Copyright 2017, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 ** http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18 #include <keymasterV4_0/Keymaster4.h>
19
20 #include <android-base/logging.h>
21
22 namespace android {
23 namespace hardware {
24 namespace keymaster {
25 namespace V4_0 {
26 namespace support {
27
getVersionIfNeeded()28 void Keymaster4::getVersionIfNeeded() {
29 if (haveVersion_) return;
30
31 auto rc =
32 dev_->getHardwareInfo([&](SecurityLevel securityLevel, const hidl_string& keymasterName,
33 const hidl_string& authorName) {
34 version_ = {keymasterName, authorName, 4 /* major version */, securityLevel,
35 true /* supportsEc */};
36 haveVersion_ = true;
37 });
38
39 CHECK(rc.isOk()) << "Got error " << rc.description() << " trying to get hardware info";
40 }
41
42 } // namespace support
43 } // namespace V4_0
44 } // namespace keymaster
45 } // namespace hardware
46 } // namespace android
47