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/*
** Copyright 2017, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include <keymasterV4_1/Keymaster4.h>
#include <android-base/logging.h>
namespace android::hardware::keymaster::V4_1::support {
void Keymaster4::getVersionIfNeeded() {
if (haveVersion_) return;
auto rc = km4_0_dev_->getHardwareInfo([&](SecurityLevel securityLevel,
const hidl_string& keymasterName,
const hidl_string& authorName) {
version_ = {keymasterName,
authorName,
4 /* major version */,
static_cast<uint8_t>((km4_1_dev_) ? 1 : 0) /* minor version */,
securityLevel,
true /* supportsEc */};
haveVersion_ = true;
});
CHECK(rc.isOk()) << "Got error " << rc.description() << " trying to get hardware info";
}
} // namespace android::hardware::keymaster::V4_1::support
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